linux-kernel - Re: [PATCH v5 02/27] IB/Verbs: Implement raw management helpers

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Date:	Tue, 21 Apr 2015 20:05:03 -0400
From:	"ira.weiny" <ira.weiny@...el.com>
To:	Michael Wang <yun.wang@...fitbricks.com>
Cc:	Roland Dreier <roland@...nel.org>,
	Sean Hefty <sean.hefty@...el.com>, linux-rdma@...r.kernel.org,
	linux-kernel@...r.kernel.org, hal@....mellanox.co.il,
	Tom Tucker <tom@...ngridcomputing.com>,
	Steve Wise <swise@...ngridcomputing.com>,
	Hoang-Nam Nguyen <hnguyen@...ibm.com>,
	Christoph Raisch <raisch@...ibm.com>,
	Mike Marciniszyn <infinipath@...el.com>,
	Eli Cohen <eli@...lanox.com>,
	Faisal Latif <faisal.latif@...el.com>,
	Jack Morgenstein <jackm@....mellanox.co.il>,
	Or Gerlitz <ogerlitz@...lanox.com>,
	Haggai Eran <haggaie@...lanox.com>,
	Tom Talpey <tom@...pey.com>,
	Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
	Doug Ledford <dledford@...hat.com>
Subject: Re: [PATCH v5 02/27] IB/Verbs: Implement raw management helpers

On Mon, Apr 20, 2015 at 10:32:32AM +0200, Michael Wang wrote:
> 
> Add raw helpers:
> 	rdma_tech_ib
> 	rdma_tech_iboe
> 	rdma_tech_iwarp
> 	rdma_ib_or_iboe (transition, clean up later)
> To help us detect which technology the port supported.
> 
> Cc: Hal Rosenstock <hal@....mellanox.co.il>
> Cc: Steve Wise <swise@...ngridcomputing.com>
> Cc: Tom Talpey <tom@...pey.com>
> Cc: Jason Gunthorpe <jgunthorpe@...idianresearch.com>
> Cc: Doug Ledford <dledford@...hat.com>
> Cc: Ira Weiny <ira.weiny@...el.com>
> Cc: Sean Hefty <sean.hefty@...el.com>
> Signed-off-by: Michael Wang <yun.wang@...fitbricks.com>

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

> ---
>  include/rdma/ib_verbs.h | 25 +++++++++++++++++++++++++
>  1 file changed, 25 insertions(+)
> 
> diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
> index d54f91e..a12e876 100644
> --- a/include/rdma/ib_verbs.h
> +++ b/include/rdma/ib_verbs.h
> @@ -1748,6 +1748,31 @@ int ib_query_port(struct ib_device *device,
>  enum rdma_link_layer rdma_port_get_link_layer(struct ib_device *device,
>  					       u8 port_num);
>  
> +static inline int rdma_tech_ib(struct ib_device *device, u8 port_num)
> +{
> +	return device->query_transport(device, port_num)
> +			== RDMA_TRANSPORT_IB;
> +}
> +
> +static inline int rdma_tech_iboe(struct ib_device *device, u8 port_num)
> +{
> +	return device->query_transport(device, port_num)
> +			== RDMA_TRANSPORT_IBOE;
> +}
> +
> +static inline int rdma_tech_iwarp(struct ib_device *device, u8 port_num)
> +{
> +	return device->query_transport(device, port_num)
> +			== RDMA_TRANSPORT_IWARP;
> +}
> +
> +static inline int rdma_ib_or_iboe(struct ib_device *device, u8 port_num)
> +{
> +	enum rdma_transport_type tp = device->query_transport(device, port_num);
> +
> +	return (tp == RDMA_TRANSPORT_IB || tp == RDMA_TRANSPORT_IBOE);
> +}
> +
>  int ib_query_gid(struct ib_device *device,
>  		 u8 port_num, int index, union ib_gid *gid);
>  
> -- 
> 2.1.0
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