[openib-general] MT25218 (aka Arbel memfree) support

[Hal Rosenstock]

On Wed, 2004-12-15 at 08:24, Michael S. Tsirkin wrote:
> Thats an unrelated issue.
> 
> With DDR hidden AFAIK the only difference is
> that FMRs dont work since you have to use a command to access the
> internal DDR.
> 
> Do you know of any issues with that?

Currently, the AV needs to be read when sending UD:

int mthca_read_ah(struct mthca_dev *dev, struct mthca_ah *ah,
                  struct ib_ud_header *header)
        if (ah->on_hca)
                return -EINVAL;

on_hca is set in mthca_create_ah when DDR is hidden

-- Hal