[Haskell-cafe] Linux device drivers

Keean Schupke k.schupke at imperial.ac.uk
Tue Mar 22 08:05:23 EST 2005

Have a look at the linux kernel IDE drivers, look for

Generic IDE Chipset support
Generic PCI bus-master DMA support


Lennart Augustsson wrote:

> What is this standard BusMaster interface you talk about?
> I must have missed something.  I've yet to see two PCI chips
> that do DMA the same way.
>     -- Lennart
> Keean Schupke wrote:
>> I thought the BusMaster interface was pretty uniform, unlike the 
>> earlier DMA interfaces which varied from chipset to chipset.
>>    Keean.
>> Lennart Augustsson wrote:
>>> But there are plenty of minor variations on how to program
>>> and initiate DMA for different devices.

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