[PATCH v3 07/20] dma-mapping: add flags to dma_map_ops to indicate PCI P2PDMA support

[Jason Gunthorpe]

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 at deltatee.com>
> ---
>  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 at nvidia.com>

Jason