Re: hd controller

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On Thu, Feb 7, 2013 at 6:13 PM, <Valdis.Kletnieks@xxxxxx> wrote:
On Thu, 07 Feb 2013 16:19:33 +0800, horseriver said:
> hi:)
>
>    I am curious about how hd controller work .
>    When user am reaing/writing hd ,it was implemented by sending command
>    to hd controller's special port.Then ,how does the controller know
>    a new command has received?
>
>    In this procedure , what work does the hd driver do ?

You may wish to get a copy of 'Linux Device Drivers, 3rd Edition'
and read it before posting lots of questions here.

A free version is available online, and last I checked it was the very
first hit if you google for 'Linux device drivers".

This!
Please read LDD, LKD and ULK fully before asking questions.
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--
Thank you
Warm Regards
Anuz
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