On Wed, 2007-09-26 at 12:15 +0530, ashok wrote: > Thanks for your quick reply. Now i understand things better. Cool. > I have one more doubt about DMA : > Im working on libata driver of 2.6.14 kernel. > > With respect to write call, can you please tell me whether the address > from scatter-gather list "sg[i].dma_address" is DMA-buffer(which in turn > a Main Memory) address?. > Is it possible to change this address to an I/O device address?, so that > the DMA takes place b/w that I/O device and HardDisk. Can't help you there I'm afraid, the information you've supplied is too non-specific. It would've helped if you mentioned which exact source file you were looking at. Cheers, Robin -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
