On Thu, Sep 16, 2021 at 05:40:47PM -0600, Logan Gunthorpe wrote: > Add a flags member to the dma_map_ops structure with one flag to > indicate support for PCI P2PDMA. > > Also, add a helper to check if a device supports PCI P2PDMA. > > Signed-off-by: Logan Gunthorpe <logang@xxxxxxxxxxxx> > --- > include/linux/dma-map-ops.h | 10 ++++++++++ > include/linux/dma-mapping.h | 5 +++++ > kernel/dma/mapping.c | 18 ++++++++++++++++++ > 3 files changed, 33 insertions(+) Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx> Jason
