From owner-FreeBSD-users-jp@jp.freebsd.org  Sun May 23 21:21:24 1999
Received: (from daemon@localhost)
	by castle.jp.freebsd.org (8.9.3+3.2W/8.7.3) id VAA78706;
	Sun, 23 May 1999 21:21:24 +0900 (JST)
	(envelope-from owner-FreeBSD-users-jp@jp.FreeBSD.org)
Received: from smtp1.dti.ne.jp (smtp1.dti.ne.jp [210.170.128.121])
	by castle.jp.freebsd.org (8.9.3+3.2W/8.7.3) with ESMTP id VAA78701
	for <FreeBSD-users-jp@jp.freebsd.org>; Sun, 23 May 1999 21:21:24 +0900 (JST)
	(envelope-from thig@ops.dti.ne.jp)
Received: from localhost (INS59.tachikawa-ap2.dti.ne.jp [203.181.76.13]) by smtp1.dti.ne.jp (8.9.0/3.7W) with ESMTP id VAA11977 for <FreeBSD-users-jp@jp.freebsd.org>; Sun, 23 May 1999 21:21:21 +0900 (JST)
To: FreeBSD-users-jp@jp.freebsd.org
X-Mailer: Mew version 1.94b28 on XEmacs 20.4 (Emerald)
Organization: Hitachi ULSI Systems, Inc.
Mime-Version: 1.0
Content-Type: Text/Plain; charset=iso-2022-jp
Content-Transfer-Encoding: 7bit
Message-Id: <19990523211949O.thig@ops.dti.ne.jp>
Date: Sun, 23 May 1999 21:19:49 +0900
From: Takafumi HIGUCHI <thig@ops.dti.ne.jp>
X-Dispatcher: imput version 990425(IM115)
Lines: 37
Reply-To: FreeBSD-users-jp@jp.freebsd.org
Precedence: list
X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+990430
X-Sequence: FreeBSD-users-jp 42572
Subject: [FreeBSD-users-jp 42572] How to use Bus-master IDE controller
Errors-To: owner-FreeBSD-users-jp@jp.freebsd.org
Sender: owner-FreeBSD-users-jp@jp.freebsd.org
X-Originator: thig@ops.dti.ne.jp

$BHu8}!wF|N)D6#L$G$9!#(B

3.1-RELEASE$B$N(BIDE$B$K4X$9$k$3$H$G$9!#(BLINT$B$r8+$F$_$k$H!"(B

# Each drive has a 16 bit flags value defined:
	$B!J>JN,!K(B
Bit 13 (0x2000) allows probing for PCI IDE DMA controllers, 
such as Intel's PIIX south bridges.

$B$H$"$j$^$9$,!"(BIntel$B@=0J30$N%A%C%W%;%C%H$G$bBP1~$G$-$F$$$k$N$G$7$g$&$+!#(B

$B;d$N%7%9%F%`$N(Bdmesg$B!JH4?h!K$r<($7$^$9$H!"(B

chip0: <AcerLabs M1541 (Aladdin-V) PCI host bridge> rev 0x04 on pci0.0.0
chip1: <AcerLabs M5243 PCI-PCI bridge> rev 0x04 on pci0.1.0
chip2: <PCI to 0x80 bridge (vendor=10b9 device=7101)> rev 0x00 on pci0.3.0
chip3: <AcerLabs M1533 portable PCI-ISA bridge> rev 0xc3 on pci0.7.0
ide_pci0: <Acer Aladdin IV/V (M5229) Bus-master IDE controller> rev 0xc1 int a irq 0 on pci0.15.0

wdc0 at 0x1f0-0x1f7 irq 14 on isa
wdc0: unit 0 (wd0): <IBM-DTTA-371010>
wd0: 9641MB (19746720 sectors), 19590 cyls, 16 heads, 63 S/T, 512 B/S

$B%^%6!<%\!<%I$O(Basus$B$N(BP5A$B!"(BCPU$B$O(BK6-2 350MHz$B$G$9!#(B

$B$3$N%7%9%F%`$G(B
controller      wdc0    at isa? port "IO_WD1" bio flags 0x2000 irq 14
                                                  ^^^^^^^^^^^^
$B$H$7$F!"%3%s%Q%$%k$7$J$*$7$F$_$k$H(B
wd0: DMA failure, DMA status 5<active>
wd0: DMA failure, DMA status 5<active>
		$B!'(B
$B$H%(%i!<%a%C%;!<%8$N$h$&$J$b$N$r!";3$N$h$&$KEG$$$F$7$^$$$^$9!#(B

----
  $BHu8}N4;K!wF|N)D6(BLSI$B%7%9%F%`%:(B $B@hC<5;=Q3+H/It(B
    E-Mail : thig@ops.dti.ne.jp
