\ ***************************************************************************** \ * Copyright (c) 2004, 2008 IBM Corporation \ * All rights reserved. \ * This program and the accompanying materials \ * are made available under the terms of the BSD License \ * which accompanies this distribution, and is available at \ * http://www.opensource.org/licenses/bsd-license.php \ * \ * Contributors: \ * IBM Corporation - initial implementation \ ****************************************************************************/ \ Citrine storage controller. 2dup type device-name s" ide" device-type 3 encode-int s" #address-cells" property 0 encode-int s" #size-cells" property : decode-unit 3 hex-decode-unit ; : encode-unit 3 hex-encode-unit ; : >ioa [ 10 config-l@ -10 and ] LITERAL + ; : ioa@ >ioa rl@-le ; : ioa! >ioa rl!-le ; \ Clear request completion doorbell. 2 228 ioa! \ status CREATE ioasa 200 allot ioasa 200 erase \ can reduce to 8 later \ request/response queue CREATE rrq 100 allot rrq 100 erase \ can be smaller \ data descriptor CREATE ioadl 8 allot \ control block CREATE ioarcb 80 allot ioarcb 80 erase ioarcb dup l! 60708090 ioarcb c + l! \ user handle ioadl ioarcb 2c + l! \ read ioadl ioasa ioarcb 34 + l! 200 ioarcb 38 + w! \ ioa config data (max. 16 devices) CREATE ioacfg 404 allot ioacfg 404 erase CREATE setsupbuff 2c allot setsupbuff 2c erase 2c setsupbuff w! 1 setsupbuff 3 + c! : wait-ready ( -- ) 82800000 214 ioa! 80000000 BEGIN dup 224 ioa@ cr .s dup 8000000 and IF cr ." Unit check on SAS-Controller detected" cr 42c ioa@ . 8 110 ioa! BEGIN cr 0 config-l@ dup . ffffffff <> UNTIL \ ABORT" Unit check on SAS-Controller detected" THEN and UNTIL drop ; \ wait-ready : wait-ioa ( int-mask -- ) BEGIN dup 224 ioa@ and UNTIL drop ; : init-ioa ( -- ) 82800000 214 ioa! 80000000 wait-ioa ; : do-request ( -- ) ioasa 20 erase ioarcb 404 ioa! 2 wait-ioa 2 228 ioa! ; : setup-ioarcb ( rsrc type addr len -- ) tuck 49000000 or ioadl l! ioadl 4 + l! \ setup ioadl ioarcb 20 + l! ioadl ioarcb 2c + l! 8 ioarcb 30 + l! \ set len, ioadl addr ioarcb 3e + c! ioarcb 8 + l! \ set type and resource ioarcb 40 + 40 erase ; : setup-wrioarcb ( rsrc type addr len -- ) tuck 49000000 or ioadl l! ioadl 4 + l! \ setup ioadl ioarcb 1C + l! ioadl ioarcb 24 + l! 8 ioarcb 28 + l! \ set len, ioadl addr ioarcb 3e + c! ioarcb 8 + l! \ set type and resource ioarcb 40 + 40 erase ; : setup-idrrq ( rrq len -- ) c4 ioarcb 42 + c! 8 lshift ioarcb 48 + l! ioarcb 44 + l! ; : do-idrrq ( -- ) -1 1 0 0 setup-ioarcb rrq 100 setup-idrrq do-request ; : setup-query ( len -- ) c5 ioarcb 42 + c! 8 lshift ioarcb 48 + l! ; : do-query ( -- ) -1 1 ioacfg 404 setup-ioarcb 404 setup-query do-request ; : setup-startUnit ( -- ) 1b ioarcb 42 + c! 3 ioarcb 46 + c! ; : do-startUnit ( hndl -- ) 0 0 0 setup-ioarcb setup-startUnit do-request ; : setup-setsupported ( len -- ) 80 ioarcb 40 + c! fb ioarcb 42 + c! 8 lshift ioarcb 48 + l! ; : do-setsupported ( -- ) -1 1 setsupbuff 2c setup-wrioarcb 2c setup-setsupported do-request ; \ ******************************** \ read capacity \ ******************************** CREATE cap 8 allot : setup-cap ( -- ) 25 ioarcb 42 + c! cap 8 erase ; : do-cap ( rsrc addr -- ) >r 0 r> 8 setup-ioarcb setup-cap do-request ; : .id ( id -- ) ." @" lwsplit 2 0.r ." ," wbsplit 2 0.r ." ," 2 0.r ; : .cap ( rsrc -- ) cap do-cap cap l@ cap 4 + l@ * d# 50000000 + d# 100000000 / base @ >r decimal d# 10 /mod 4 .r ." ." 0 .r ." GB" r> base ! ; \ ******************************** \ Test Unit Ready \ ******************************** : setup-test-unit-ready ( -- ) 00 ioarcb 42 + c! \ SCSI cmd: Test-Unit-Ready ; : do-test-unit-ready ( rsrc -- ) 0 0 0 setup-ioarcb ( rsrc type addr len -- ) setup-test-unit-ready do-request ; \ ******************************** \ Check devices \ ******************************** : check-device ( ioacfg-entry -- ) dup 2 + w@ 2001 and 0<> \ generic or raid disk IF \ is an IOA resource ? dup 8 + l@ ( ioacfg-entry rsrc ) \ get resource handle 8 0 DO ( ioacfg-entry rsrc ) dup do-test-unit-ready ( ioacfg-entry rsrc ) ioasa l@ 0= \ read returned status IF LEAVE THEN LOOP drop ( ioacfg-entry ) THEN drop ( ) ; : check-devices ( -- ) ioacfg 4 + ( ioacfg-entry ) \ config block for 16 devices ioacfg c@ 0 \ amount of detected devices ?DO dup check-device ( ioacfg-entry ) 40 + LOOP drop ; \ ******************************** \ Show Devices \ ******************************** : show-device ( ioacfg-entry -- ) cr ." " dup 2 + w@ dup 8000 and IF ." Controller :" THEN dup 2000 and IF ." Disk (RAID Member):" THEN dup 0002 and IF ." Disk (Volume Set) :" THEN 0001 and IF ." Disk (Generic) :" THEN space dup 4 + l@ ffffff and dup ffffff <> IF .id ELSE drop 9 spaces THEN space dup 1c + 8 type space dup 24 + 10 type dup 2 + w@ 8000 and 0= IF space dup 8 + l@ .cap THEN drop ; : show-devices ( -- ) ioacfg 4 + ioacfg c@ 0 ?DO dup show-device 40 + LOOP drop ; : setup-read ( lba len -- ) \ len is in blocks 28 ioarcb 42 + c! swap ioarcb 44 + l! 8 lshift ioarcb 48 + l! ; : do-read ( hndl lba len addr -- ) \ len is in blocks over >r rot >r swap 0 -rot 200 * ( 0 hndl addr len* ) setup-ioarcb r> r> ( lba len ) setup-read do-request ; : make-subnode ( rsrc-type rsrc-handle id -- ) rot 2 and IF \ only device which are part of a RAID should be started over do-startUnit \ at least on citrine there are problems starting \ Generic SCSI devices THEN do-setsupported dup ffffff <> IF \ we need max-#blocks for citrine-disk.fs ( rsrc id ) over cap do-cap cap l@ ( rsrc id max-#blocks ) swap rot swap ( max-#block rsrc id ) \ this is what citrine-disk.fs expects... s" citrine-disk.fs" included ELSE 2drop THEN ; : make-subnodes ( -- ) ioacfg 4 + ioacfg c@ 0 ?DO dup 2 + w@ dup ( ioacfg rsrc-type rsrc-type ) A000 \ 8000 = Resource Subtype is IOA Focal Point. \ 2000 = Device is a member of a data redundancy group (eg. RAID). \ (1000 = Device is designated for use as a hot spare. \ Unfortunately obsidian reports disk which are not part of \ of a RAID also as hot space even if they are not.) \ all these devices should not appeat in DT \ SIS40 page 60 and 0= IF swap dup ( rsrc-type ioacfg ioacfg ) 8 + l@ over 4 + l@ ( rsrc-type ioacfg rsrc-handle rsrc-addr ) ffffff and 2swap swap 2swap ( ioacfg rsrc-type rsrc-handle rsrc-addr ) make-subnode ELSE drop THEN 40 + LOOP drop ; : do-it ( -- ) init-ioa do-idrrq do-query check-devices show-devices ; : setup-shutdown ( -- ) f7 ioarcb 42 + c! 0 ioarcb 48 + l! 0 ioarcb 44 + l! ; : do-shutdown ( -- ) -1 1 0 0 setup-ioarcb setup-shutdown do-request ; : open true ; : close ; : start ['] do-it CATCH IF cr ." Citrine disabled" ELSE make-subnodes THEN ; cr start cr cr