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SubjectRe: [PATCH v5 24/27] IB/Verbs: Use management helper cap_af_ib()
On Mon, Apr 20, 2015 at 10:42:33AM +0200, Michael Wang wrote:
>
> Introduce helper cap_af_ib() to help us check if the port of an
> IB device support Native Infiniband Address.
>
> Cc: Hal Rosenstock <hal@dev.mellanox.co.il>
> Cc: Steve Wise <swise@opengridcomputing.com>
> Cc: Tom Talpey <tom@talpey.com>
> Cc: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
> Cc: Doug Ledford <dledford@redhat.com>
> Cc: Ira Weiny <ira.weiny@intel.com>
> Cc: Sean Hefty <sean.hefty@intel.com>
> Signed-off-by: Michael Wang <yun.wang@profitbricks.com>

Reviewed-by: Ira Weiny <ira.weiny@intel.com>

> ---
> drivers/infiniband/core/cma.c | 2 +-
> include/rdma/ib_verbs.h | 15 +++++++++++++++
> 2 files changed, 16 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
> index 05d148e..9c1f5b72 100644
> --- a/drivers/infiniband/core/cma.c
> +++ b/drivers/infiniband/core/cma.c
> @@ -469,7 +469,7 @@ static int cma_resolve_ib_dev(struct rdma_id_private *id_priv)
>
> list_for_each_entry(cur_dev, &dev_list, list) {
> for (p = 1; p <= cur_dev->device->phys_port_cnt; ++p) {
> - if (!rdma_ib_or_iboe(cur_dev->device, p))
> + if (!cap_af_ib(cur_dev->device, p))
> continue;
>
> if (ib_find_cached_pkey(cur_dev->device, p, pkey, &index))
> diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
> index 074f66d..9cfab09 100644
> --- a/include/rdma/ib_verbs.h
> +++ b/include/rdma/ib_verbs.h
> @@ -1879,6 +1879,21 @@ static inline int cap_ipoib(struct ib_device *device, u8 port_num)
> }
>
> /**
> + * cap_af_ib - Check if the port of device has the capability
> + * Native Infiniband Address.
> + *
> + * @device: Device to be checked
> + * @port_num: Port number of the device
> + *
> + * Return 0 when port of the device don't support
> + * Native Infiniband Address.
> + */
> +static inline int cap_af_ib(struct ib_device *device, u8 port_num)
> +{
> + return rdma_ib_or_iboe(device, port_num);
> +}
> +
> +/**
> * cap_read_multi_sge - Check if the port of device has the capability
> * RDMA Read Multiple Scatter-Gather Entries.
> *
> --
> 2.1.0


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