Messages in this thread | | | Date | Sun, 07 Jan 2007 03:25:26 -0500 | From | Jeff Garzik <> | Subject | Re: ATA streaming feature support |
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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
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