[openib-general] [kernel verbs] u64 vs dma_addr_t

Sean Hefty mshefty at ichips.intel.com
Fri Dec 30 14:09:21 PST 2005


James Lentini wrote:
> One more question on this topic. 
> 
> Why is the ib_sge's addr a u64 and not a dma_addr_t? 

It's the same address that the user can transfer to the remote side.  Also, if 
inline sends are being used, the address is not necessarily a DMA address.

- Sean



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