tree 9265a6308dd746606dbcb0bac330082f97780be9
parent ac477afb0431386575ef453f50fa0052c3f0461b
author Jon Mason <jon.mason@intel.com> 1360687970 -0700
committer Jon Mason <jon.mason@intel.com> 1378404249 -0700

NTB: Use DMA Engine to Transmit and Receive

Allocate and use a DMA engine channel to transmit and receive data over
NTB.  If none is allocated, fall back to using the CPU to transfer data.

Signed-off-by: Jon Mason <jon.mason@intel.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>