On Mon, Apr 11, 2016 at 02:32:32PM -0700, Christoph Hellwig wrote:
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> Tested-by: Steve Wise <swise@xxxxxxxxxxxxxxxxxxxxx>
> Reviewed-by: Steve Wise <swise@xxxxxxxxxxxxxxxxxxxxx>
Reviewed-by: Ira Weiny <ira.weiny@xxxxxxxxx>
> ---
> include/rdma/ib_verbs.h | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
> index 24d0d82..9e8616a 100644
> --- a/include/rdma/ib_verbs.h
> +++ b/include/rdma/ib_verbs.h
> @@ -2318,6 +2318,18 @@ static inline bool rdma_cap_roce_gid_table(const struct ib_device *device,
> device->add_gid && device->del_gid;
> }
>
> +/*
> + * Check if the device supports READ W/ INVALIDATE.
> + */
> +static inline bool rdma_cap_read_inv(struct ib_device *dev, u32 port_num)
> +{
> + /*
> + * iWarp drivers must support READ W/ INVALIDATE. No other protocol
> + * has support for it yet.
> + */
> + return rdma_protocol_iwarp(dev, port_num);
> +}
> +
> int ib_query_gid(struct ib_device *device,
> u8 port_num, int index, union ib_gid *gid,
> struct ib_gid_attr *attr);
> --
> 2.1.4
>
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