NCR53C8XX-1.14c: IDENTIFY(DiscPriv) control per device (patch)

Gerard Roudier (groudier@club-internet.fr)
Sun, 10 Nov 1996 02:11:52 +0000 (GMT)


Some scsi devices (CD/ROMs) do not support properly disconnections.
With this new patch, the driver allows to control scsi disconnection
privilege per device after boot-up through the proc/scsi file system.

People who have flawed scsi devices can now disable all scsi features at
start-up (kernel config) and enable later features for devices that
support them properly.

Changes:

- Allow to specify "all" to commands that apply to #target.
For example: "setsync all 255" sets asynchronous data
transfers for all targets on a bus.

- Allow to control disconnection privilege per device, as follow:
"setflag #target no_sync" disables disconnection for #target.
"setflag #target" with no flag specified reenables it.

Obviously #target may be specified as "all" in order to control
disconnection for all targets with a single control command.

- README file updated and some hints about SCSI problems solving added.

The corresponding patches and sources for linux-1.2.13 and
linux-2.0.22 to 2.0.25 are immediately available at:

ftp://linux.wauug.org/pub/roudier/ncrBsd2Linux-1.14c-src.tar.gz

A new slackware boot disk using 5 Mhz sync data transfers by default and our
latest stable linux-2.0.25 will be available to-morrow at the same location.

Here is the patch for linux-2.1.8:

begin 644 ncr53c8xx-14b-to-14c.patch.gz
M'XL("$TEA3(``VYC<C4S8SAX>"TQ-&(M=&\M,31C+G!A=&-H`,U:^W,:29+^
M&?Z*'$VL%P9H00-Z8%MG1L8>[<JR0X]93^QN$$UW@?K4=+/]D,S<^/[V^S*K
M7[3`EGUW$:N8L41W55:^\\LL.IT.>:Z??-IW0O=>A=%^9$?NOF^'P[Y]].F3
M<6MTN[4K*Z:+X)[HF,SNR.R/!B;UCH\/ZJU6ZRO;*WL'Q_A/[WWUBCJ#8?N0
M6O+OJU=UVO^I3C_]5+NPEHHLWZ%0W;N1&_@4S"F^5:0/P9K]>N='1\U=7]'5
MZ=79].+T<OKZ\NS7R>7T8OQN4JOMY2Q0IR#3,WJ#V5Z]];U[[;TZ4<[FV;P@
M</5A<GHV/I^^F8RO;RXG5^1&I`]QVO7.UY1L5Y3<.QP-H.2#)RK9KBBYWQ\-
M#PHE'P[,]@&U^)=6<R;^S>GT]'PROOQP^?Y-K7=0I_Q5[>;-]/IR?#JI-;J?
MNKUFKC)^<?'^]=G5J;PQFW711^=I/ZPV8:E_<'#(/.'W4;MW)%S5_%7GQ`W_
M12\)_SYGPC5HNE5CCPABLCPO>"#'C>S`]Y4=PR@1S8.07U!LA0L51^3.R8KN
ME$.S-6'=W%TP@?UZ"Q*X<\A0RTUV\7[*<KR_N)B<7F/5?^'_FNO'Y#[GOYAR
MPP4S77I.+KV@=^./T^OQY=O)-3]HM9J\2IC6A__=_:>11.'<LQ;TQTO*%<74
M/N-XY3ONG!EAJ8BE&L]C%8H/P5?N75M%=&O=*YHI!9=?*78>>E!D6[X?Q'I/
MJ"(52S#,DH@B:ZZ\=9NB@-<Y`;DQW:I0&7KQF8\#PF2%AP@G#X<Y`0[AW:&R
M/'H(PCLC-<C1H'W,!CD^3+VD!@>;JD^V6K&JJ>&OFC`*,Q`'H9JRG%%#_N7G
M"$AW[D/!M$/!VKYL/NBT]QSKM4)2,PN_UV!LZ3K@M..I>^6ENA&OUZRS'H3?
MX^.^I(YN=Y#R"Q*NLXP6(/]N>O9Z<G%]]N8W^H/LI=,Y\1)?F*S!01H->_7#
MRV?,CFW/FO3L&0NG>6NR57F-O:(?7E*V2-;DB_C3#XT8GS)[/RO,W6S2'SA4
MW&(!<E1+V8)/=#\-NMJQ\6`5AV"5%W(X3R,\>JZ3HGEXP+88F$>Y+5Y/SL>_
M4:/7[7;%"FP;UW=C\-2F/28@_B#>L=>F7ZZF2$*3Z_^U9799F_D<]@>L^]:P
M/^PCF(7/FBCO!ZVK)%*AH8/CY"1N/NM!-PC*&+E,/9?%+`8X7EJ?H*R(1)IG
MI9"*_]FFG))CQ98(7_L,)FL5KO%X!J>^T_JUK4CR&W3P>O+SS=N1YGAP9+)F
MAX/C;J99_+R_N?X99]O3R/9CK]>FT\NK:WW2(\77<M5K;KE8('HMA_Y#Z_WZ
M[-T$!)O/GZ#WJ@RYYM,WM\H*XYE"<G^)H'6CV%UJQ7U&II:ER+V4R"%(<B+B
M<?=01#SN]3,1\8I*/I,R/H<Z/4)^"$+-^9OQV?F3V-[!]&=="UY^]T\JP$%?
M"W"0>S_<,$Y"CF`V_2-)(N7I>D"LH"")_YWD.>KWA^U>GUKXX[#=2^.DY)]_
M0ZX:;3YZ<SY^RX]J5W\]^P!L@4)\U>@UQ>M1?Z9G%]=35**&CI*FU"M);/@\
M]5`\4$*CZ9U:(\$[#22:-N$I-(52N8<@1&;K-DD*7HW34.LEI3N?\T+J%)]E
M36)G$0G*_]V5AY])>6!8$]G%U.;.1N_%B_PMZ7I,$IY30)!34'CSODZK$$5X
MWN#`FG+<3^U@N43Y&J5%_N6?/.<?/DQ<(J4MUM%:2,\[*57L)K]+O8@ZD[.+
M7\?GHLW=_+4DRHJDPI^T00<H.<`N^'W</LJ22-52.A76OFZ2.+1L!:,T=2YB
MACC1I1!"0)A6I:C[223]8,KN+$1;6XAFN(12JOKDJG;H"<ZQ`]E>3L:OWTV,
M`J%NA;?#+\+;*HTJQAV,NN5&0L!`FB_,'ETFBDZM4&#3\;!WV(6?W9R=T_F8
M?AY?7DZ`[-]<CB].)UP?S2-Z;\?!#"!#<]0=\DEJF3^A[T\"VS,#,DO/(`)`
M"P,GD>0E<IB]=F]`+?XU%%GTSY$Q(+J"D\+2X"E>KY1`7U3-!<!N&B'%ZJ%>
M[:A9LJ!EX*CBU0'1J8>Z@C@+YJX'=!DD#!.C>BM;<JAW"[)IP)FBM6_#/8_!
M\*E@ZB2T)-VNK!"MFFRF7M>@JV#)]/PHMGR`<6[A!#)D_5NI+P1,M5@49H%W
M0QL?PN#>=2".?M;IF084!%J>EQX7!K9RDE#+?LX^0^PPTIYA??\;UIM8/S!8
M'EC`RS0823$-M3]V>H9I]/I8.#3HKW[P(!1GGEJ".:TKO.G1]881(GIPXULZ
M@RH6%OW%^CW%]O76;GGPKO\T7EK,=(67U&YX\PV\0"0!UQD5M!#>O>LOV#/_
M[YU=7/M0TJ9Y.$1Y+UQ;V;<![;V`768G]*+PJ),].MEG#56ZW?UNMK-A15&R
M1%-@:\5Q?^,G$K3HOKO<FK9N(LBDZYXXP5Z:X$$]/THKB?TS5]M,<:_YX**S
MM%8K;TUQ`&+E1C/U:$'>]JWEHD'2O5)**..H::#EH_&]Y7K6S"N.&+&BCV`Q
MCK0EP,PR61('VFT8^`&@_$J%;N#H9L<\DF:Y;V;UQE>+8,0ZD&))K@_9EMJI
MK!D`D+8MKXI=>8P0JZUN@3!&6S?AO\@.W14_35M&O4D[UPTJ#U!6+/ED3^O+
M#[@,0/\@!>WHOE0G'(EYD;LN"6='OM%NT>]KX=!+(&]G?L&=X)[-^WC;7J8V
M/02(:!TD?*@L8(5'!5E"F;#\M4!!@SFHMSBC;4EHK50Z,"YO,M>@%_SQA%MU
M?JV?CHH_4R?+WK\)A`6D6=9%&[J$OP2^TL?!$ZW,^*,L5(E2)D;R9S;;2,E#
ML&+*863'O`YD9;12MCM?BXCZ`#\K"ID1F!E^90AKZI.U7.5G=W)I!QDSXN5Z
M9\J5)JSKBW`TT!,&"0?A%-![<Q!C5,ECW<8!6Z8W^?`F&WXP@,]B"MVL>-"Q
M\86:4Z<S'89S-UP^6$CT"$NF"/\(<[*N!-,<AY)":"UNVWIDQ/O06R'_1MH5
M!P<`=%W@"'2'_:-LJ/`(B(RD%Y,JA=>GMY:_4.?!8F.%+4_)"WC^I`7X17FK
MC34?T-PQPYE\RKC%DC2`R^/.6GF>BHTRBG.SL"[/`86W;"-"@@M_C?4)H*!?
M9X$4!Z@T<!GE2UI*@<2_$I7P%AZ=&<`-"0HQ[XK$AYC9?17;^^77#*!V5-T>
MW&KE63:G8&8+O1<X/6SS9%6S.*IW@,+3[;T-[;AEFCHY8>F-[VY;G/C;EV?'
M:;VYONTECAX.W@91'!DVPA5LA(`=VO4`7!PK=#+5MS+>OLH:>\H'*[9OTTI=
M;)`8&,%O\5)<?A-<Y+OZQF#8&1R7-V[;Q<O8<*7/QQM4AMU.K]LMD=E.9=C=
MI((];(P=IC0KIESQ7)S+5(:G-B;T&V8U2[H336Q37RL5P#2ZAFEVS.&7U:"7
M%0+(YR$;X0.JIN3"])2,8<U86RK',HEBN$RL:P<GI3AT9PGS@]3`0V5.5B,]
MJ+MSW)"!Z\_F.0>&D_W=J?'^WS_=S^5)Y)CGJ2Y[@UDG"FV>?!F+WR':[H5V
M>2'7JF\%O5\"E:!VS8DJU416X:4^1<EJ%83`,65G%,!>];/4-Y",MQ$#I-#C
MZEA%,2)+H,$.FH71ZBUM,+`>Z_+`,!2):"TCZ1(5XH4?J?'QQ!PVC5RD0BG_
MR;9<(HBC;0&L6PD^\FK\ZV0Z[$/P60<613$(PC7(P6\?-Y]MI,F5FY),7P@I
MIA3?6ES],A(LG[@G5Y$.;Q#L]<ZZ4[S#8(X?\V5;/O1&Z7@UU5N>W`KG3[5>
MR%MBS%</C\3DYW<J]!62>ZCT+1HC6-X#`)L&$A9&W*KI;6GHEK8);N+[+:FC
MVA"%Q*Y@K`UM>X$MWH==>_M)%.[#K?=EWUY;FT@Q.!OQR.5QMN<AQ:,\*RQ,
M>.;QI:WT@EF<RE'3G,43R3]L@I)D0D%7ZSQQ0`U):*M".%F3U6-ME;QDI3%#
MC=^`N&C9)(G(QXR#A!SMJ)6">GS;Y6ZV5N6'&@F$6_+#WY&"[AC$1'$S7\FF
MRZ(MK;5\O<4)3&Z)[(S-U'O^O/RSB'T1(!9%V"L4//8QH&2<Q($,8$.6XPAV
M\"TOHU%%5GQ14BNNHK"#N_(4Y^9&1SE/_<_@]7]A,W.56),HZ()3*7/[8.D6
M0>-T0(Q(H(O,WZXS6'!Z]/%CYLWNP@]"<?(`&PJV#%U6M`Y0@>9J)T?LU)(K
M61$5!]R&(?`\"'>]W.ED-7<C1,(``-V52RK:C`+A_-LG%$]/X)PF=:X%?+S7
M6:>:-]9/S1IE/7];^'>>'/YF6?=XOCW2S:\;85ONV+664\JCK$!/R`IR,3'L
MZ]LN,[^6^.XXU:7^B?.G)P^'!/YPD\V@1^:]S)O]:&=4H+C`UN5*BENT1@U?
M$O=1[,+UHG-]A%OUK?'PX$A?IQVF(QT9%-@V=0)*NP[*NX\]Z=A#=%Q:_WOI
MFSVTJ,I.8C['2#7S>."V;?"E5W[#T.L;)F3<6VK[L2J`#[%'VC[]OHT&XD%)
MLBJ!(&0_Q"2O#&BII=18$@J'HUT7^SF*;&LEND6JVF1*VC!L,>B7])"'6['/
MRO5]MEVR:FO]'_5X=C(\Z+:'`S$`Y],`YX:9EC1<65IKA@$\+<'!Z2U99.CE
MG$X>+)EQ6?>!Z^3OH8-(\6R0^T04C6UC^L@Q;-(-)?=7H90:&8$E82BS(4T,
MM.XM#[E?!AI?&D#BY3LT9WH,D+]EIW02B5$+)O$EK'A^Y<?YP(`T\I\EB\4Z
MZ_YQ'!*9S+KBQ(?O0=@\-#>.T+T!`S-@.?MNTWIL>W^!L@KN.L6!-ALPXD=(
M7$O7U[,VSH\S6`'YS'D\*.35:9I91UZP@*=$D;5`UF@(*-,;EF(S&0B`K2:?
MFQ8^)^!O@R!B6>E,62<K;-LB20YE2F,!\?AZRP^R\4<Z!'`,+9TXA%6>14HN
MB4/+C^9R4="I7#Q$W$,)"7Y7^8I./M_BM_761?#0IJQNYHJ$5P9W[?2A3D-B
M(?;^M4Q3;+%]T1Y(,-9;_`V87$Q=5-')R<!'O(,'0-)A,!M`W,$*#FEY1JI0
M.#70"%[/D>F@.*C)S[47L?V$I2R8'*5KL-PU!QQ28;`*74YI]=;2TIG70S\I
MOHA2&W4689"LV`VOF!I_L4W7XO+<#GQ%;(>S;!AG*U@*S&';^YDTVOPM'XM=
MFS=69CPRX0JBR)4,FLX+Z=V:%+/$\`UH*AK16Q5RM;X,$L?%UA?,&O_URO;0
M%<GDUU>Q,0]E]CG.7+]B3P8D2\YS''IIH6,D&[&M*N,\41Z,E)F931/,8^C8
MMK`G*N);;%J-W*N=/ICG&D:)(0_U5D(:=HSBG`.+OU#%31?@-=-[&P2.]KGB
ML3[9(H]'G6`+P4\+GN=;SCTD1&!*1%;\O=[*<C2KZCI<EV9I,OM-(XN'T9("
M]3'56EP=T7+XZ`N12,4RBF6%FL/==R&P]=_89]*S1?R=H5N^$:A^=<ZHG"Y3
MW/[7#]:38WW-E\_6R\/C?EOJPZ,!\L:86T;QU>%OF1WY?E"?!D_61+RUI&XP
MQMZKNWE=DW-,[>JQ^WM..GFQF`=)FG'3Y5;Z,;.UD!*_+F5B0;_U5IJT,]Y*
MNW1;53#!V=?X?[F%F^AJ]*C=T@-N/<_><:&_9<C]/7?ZVV;ECZ[U3;.XUN^U
M^]3JM<TN@QO``E^6#LCLC;I=659-:HV=28V_"_%3Z0K:WKB.KG[3%XNOLH16
MB5I.?R%_/0#P1B."6H?&^@8GR"]H])TC0]XL9XB5\^O$'[47PM%JM)$%JK&/
MX.<'6RJR;-WX*?)C]8NQ?#.8QU69WTRXS:L9%+5[^`.2WTJ%.>8MS4;YZ#Q-
M_)A=C.GPW\O@0+3EPF=#[BJ%XFY1GFI=,O1&5^IKBFEL8G->&?/S&3)Q+<VW
M@6%MAW*US206(MMOI#*MI;6!&R9/5?T@4V4I?H#,81D^6#(>TCY@(]NNN)2M
MXET]79&[KJO$YR^BD'E(IOD]#DY/=_`9%H\=IX)R-9`JC5Q&]?\!;%&=(R(P
"```]
`
end

Gerard.