On 1/7/07, Jeff Garzik <[email protected]> wrote:
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
Thank you for your answer.
But what about PATA disks. Is that ioctl supported in PATA disk?
I tried to give IDENTIFY command but it failed with invalid argument.
Regards
Manish Regmi
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