> -----Original Message-----
> From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
> To: Andy Falanga (afalanga) <afalanga@xxxxxxxxxx>
> Subject: Re: Please help me to understand the interaction of the
> various ATA drivers
> Date: Thu, 30 Apr 2015 08:09:54 -0700
>
> Why don't you just send your ATA taskfile as ATA_12 or ATA_16 CDB
> through the device node ans save yourself all the work of writing a
> driver?
2 reasons mainly. First, I have a need to read the entire HBA and port
register set. Second, in some situations, a device node isn't present.
Having said that, however, what you propose interests me. Forgive my
ignorance but it sounds like there's a method of executing ATA commands
without using sg. Is this true?
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