On Tue, Feb 7, 2017 at 12:16 AM, Anup Patel <[email protected]> wrote: > The DMAENGINE framework assumes that if PQ offload is supported by a > DMA device then all 256 PQ coefficients are supported. This assumption > does not hold anymore because we now have BCM-SBA-RAID offload engine > which supports PQ offload with limited number of PQ coefficients. > > This patch extends async_tx APIs to handle DMA devices with support > for fewer PQ coefficients. > > Signed-off-by: Anup Patel <[email protected]> > Reviewed-by: Scott Branden <[email protected]>
I don't like this approach. Define an interface for md to query the offload engine once at the beginning of time. We should not be adding any new extensions to async_tx.
