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Date:      11 Apr 2001 01:56:34 +0200
From:      Cyrille Lefevre <clefevre-lists@noos.fr>
To:        bmah@FreeBSD.ORG
Cc:        simond@irrelevant.org, Michael Nottebrock <michaelnottebrock@gmx.net>, freebsd-stable@FreeBSD.ORG
Subject:   Re: ATA_ENABLE_ATAPI_DMA gone?
Message-ID:  <zodo2tsd.fsf@gits.dyndns.org>
In-Reply-To: <200104101342.f3ADgsn15019@bmah-freebsd-0.cisco.com>
References:  <02db01c0c1b1$c1a0ffe0$0508a8c0@lofi.dyndns.org> <20010410123317.A73359@irrelevant.org> <200104101342.f3ADgsn15019@bmah-freebsd-0.cisco.com>

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"Bruce A. Mah" <bmah@FreeBSD.ORG> writes:

> > It seems that they've been moved, the new ata(4) explains how to set them
> > (ie from the loader)
> 
> And it's also mentioned in RELNOTES.TXT:
> 
> # To provide more flexible configuration, the various options for the
> # ata(4) driver are now boot loader tunables, rather than kernel
> # configure-time options.

the ata(4) manual page isn't clear about the difference between
hw.ata.ata_dma (where ata-disk.c says ATA disk DMA mode control) and
hw.ata.atapi_dma (where atapi-all.c says ATAPI device DMA mode control) ?

well, humm!

also, what is the purpose of the (last) descr field in SYSCTL_*
macros. is there any way to obtain the description of such sysctl
from the user land ?

Cyrille.
--
home: mailto:clefevre@poboxes.com   UNIX is user-friendly; it's just particular
work: mailto:Cyrille.Lefevre@edf.fr   about who it chooses to be friends with.

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