On Tue, Feb 7, 2017 at 12:16 AM, Anup Patel <anup.patel@xxxxxxxxxxxx> 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 <anup.patel@xxxxxxxxxxxx> > Reviewed-by: Scott Branden <scott.branden@xxxxxxxxxxxx> 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. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
