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To: A JOSEPH KOSHY <koshy@india.hp.com>
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Subject: Re: lmbench IDE anomaly 
In-reply-to: Your message of "Fri, 03 May 1996 09:24:17 +0530."
             <199605030354.AA249295658@fakir.india.hp.com> 
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Date: Thu, 02 May 1996 22:10:02 -0700
From: "Amancio Hasty Jr." <hasty@rah.star-gate.com>
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> 
> >>>>> "ms" == "Michael Smith" >>>>>
> 
> ms> But nobody uses it, AFAIK.  There's support for the DMA controller in
> ms> -current, all it requires is someone to wade into the 'wd' driver and 
> ms> add the required code to _use_ it.
> 
> As a matter of curiosity, where can one get more information about 
> the bus-mastering IDE interfaces?  Anything available on the Web/FTP?
> 
> Koshy
> 

The problem with IDE drives is that not all of them offer DMA bus
mastering. Western digital or at least some of them have offerered
dma access for quite some time now. So look around for the api
on Western Digital drives chances are that thats the other
IDE drives are using.

	Amancio