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DMA to Device (dma_to_device)
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dma_to_device is a user application tool provided along with QDMA Linux driver to perform the Host to Card data transfers.

usage: 

::

	[xilinx@]# dma_to_device [OPTIONS]


**OPTIONS**

::

  -d (--device) device path from /dev. Device name is formed as qdmabbddf-<mode>-<queue_number>. Ex: /dev/qdma01000-MM-0
  -a (--address) the start address on the AXI bus
  -s (--size) size of a single transfer in bytes, default 32 bytes
  -o (--offset) page offset of transfer
  -c (--count) number of transfers, default 1
  -f (--data input file) filename to read the data from.
  -w (--data output file) filename to write the data of the transfers
  -h (--help) print usage help and exit
  -v (--verbose) verbose output

Example:

::

   [xilinx@]# dma_to_device -d /dev/qdma01000-ST-1 -s 64
   ** Average BW = 64, 0.880221