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From: Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp>
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Date: Mon, 09 Jun 2003 22:24:03 +0900
X-Sequence: FreeBSD-users-jp 74849
Subject: [FreeBSD-users-jp 74849] Re: 1394b HOST
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At Mon, 09 Jun 2003 21:29:54 +0900,
Y.tabira <tabira@pub.mei.co.jp> wrote:
> >$B>lEv$jE*$G$9$,(B,  fwochi.c $B$N(B 
> >#define MAX_SPEED 2
> >$B$r(B 3 $B$KJQ$($F(B, $B$5$i$K(B
> >sysctl hw.firewire.sbp.max_speed=3
> >$B$r<B9T$7$F$+$i;n$7$F$b$i$($J$$$G$7$g$&$+(B?
> 
>   $B$3$l$C$F(Bmodule$B$N:F%3%s%Q%$%kI,MW$G$9$h$M(B...
#define $B$NJQ99$rH?1G$9$k$?$a$K$OI,MW$G$9(B.

>   $BC1$K(Bedit&sysctl$B$r<B9T$7$?$@$1$@$H!"0J2<$N7k2L$G$9(B...

> tnf_3# sysctl hw.firewire.sbp.max_speed=3
> 104857600 bytes transferred in 2.739964 secs (38269700 bytes/sec)
> tnf_3# sysctl hw.firewire.sbp.max_speed=2
> 104857600 bytes transferred in 2.856104 secs (36713509 bytes/sec)
> 104857600 bytes transferred in 2.863816 secs (36614643 bytes/sec)
> tnf_3# sysctl hw.firewire.sbp.max_speed=3
> 104857600 bytes transferred in 2.738429 secs (38291151 bytes/sec)

$B$=$l$J$j$K0c$&$h$&$K8+$($^$9$M(B. $B$?$V$s(B S800$B$GE>Aw$7$F$k$N$G$O$J$$(B
$B$G$7$g$&$+(B. HDD $B$NB.EY$,$=$NDxEY$J$N$G$O$J$$$+$H;W$$$^$9(B.

>   $B:F(Bcompile$B<B9T$7$?$1$I(B...$B7k2L$OF1$8$G$9$M(B...

#define $B$GJQ$o$k$N$O(B, ORB pointer $B$H$+$rAw$k$H$-$NB.EY$J$N$G(B,
$B$[$H$s$I4X78$J$$$+$b$7$l$^$;$s(B. data buffer $B$H$+$NE>AwB.EY$O(B
sysctl $B$NCM$G7h$^$k$N$G(B, compile $B$7$J$*$7$F$bL\$K$_$($kJQ2=(B
$B$J$$$N$+$b(B.

>   command$B%l%Y%k$G$bNI$$$N$G!"(BS800$B$N(BPacket$B$,Ht$s$G$$$k$+$I$&$+D4$Y$k$3$H(B
> $B$O$G$-$^$;$s$+!)(B

$B$&!<$s(B, ORB $B$N(B response $B$0$i$$$O(B debug code $B$D$C$3$a$P3NG'$G$-$k(B
$B$+$b$7$l$^$;$s$,(B, data buffer $B$NE>Aw$O(B, $B4pK\E*$K(B hardware $B$G(B
$B=hM}$5$l$k$N$G(B, $B3NG'$OFq$7$$$G$9$M(B.

$B$H$j$"$($:(B, fwcontrol -t $B$N7k2L$r65$($F$b$i$($^$;$s$+(B?
$B$"$H(B, drive $B$r@\B3$9$kA0$K(B sysctl debug.sbp_debug=1 $B$7$F(B,
$B@\B3$7$?$H$-$KI=<($5$l$k(B. speed:xxx $B$r3NG'$7$F$b$i$($^$9$+(B?

/\ Hidetoshi Shimokawa
\/  simokawa@sat.t.u-tokyo.ac.jp
PGP public key: http://www.sat.t.u-tokyo.ac.jp/~simokawa/pgp.html
