From: Jeff Garzik <jeff@garzik.org>
To: Manish Regmi <regmi.manish@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: ATA streaming feature support
Date: Sun, 07 Jan 2007 03:25:26 -0500 [thread overview]
Message-ID: <45A0AE76.40600@garzik.org> (raw)
In-Reply-To: <652016d30701062240w4756bc4m8fdb54070708fd81@mail.gmail.com>
Manish Regmi wrote:
> Hi all,
> First of all sorry for bringing this topic again.
> As discussed in --> http://lkml.org/lkml/2006/5/5/47
> The ATA Streaming feature set is not necessary to be in Kernel Space
> (IDE driver). There is a suggestion creating user space library.
>
> But how is the user space apps going to use the commands like READ
> STREAM DMA EXT (0x2A). Shouldn't there be some support in kernel which
> setups up PRD tables and all.
> It doesn't seem to be possible.... is it?
If you pass SG_IO addresses, they become DMA scatter/gather tables.
Jeff
next prev parent reply other threads:[~2007-01-07 8:25 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-07 6:40 ATA streaming feature support Manish Regmi
2007-01-07 8:25 ` Jeff Garzik [this message]
2007-01-09 10:48 ` Manish Regmi
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