Re: [PATCH] infiniband-diags: Add SMP/QP0 usage explanation to general man page

[Hal Rosenstock <hal-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>]

On 5/31/2012 7:02 PM, Ira Weiny wrote:
> 
> 
> Signed-off-by: Ira Weiny <weiny2-i2BcT+NCU+M@public.gmane.org>
> ---
>  doc/rst/infiniband-diags.8.in.rst |   12 ++++++++++++
>  1 files changed, 12 insertions(+), 0 deletions(-)
> 
> diff --git a/doc/rst/infiniband-diags.8.in.rst b/doc/rst/infiniband-diags.8.in.rst
> index 6a86ae2..9cd4524 100644
> --- a/doc/rst/infiniband-diags.8.in.rst
> +++ b/doc/rst/infiniband-diags.8.in.rst
> @@ -23,6 +23,18 @@ may therefore work even in unconfigured subnets.  Other, higher level
>  utilities, require LID routed MAD's and to some extent SA/SM access.
>  
>  
> +THE USE OF SMP's (QP0)
> +======================
> +
> +Many of the tools in this package rely on the use of SMP's via QP0 to acquire

SMPs

> +data directly from hardware.  

SMA rather than hardware

> While this mode of operation is not technically
> +in compliance with the InfiniBand specification, 

I think this is a grey area.

-- Hal

> practical experience has found
> +that this level of diagnostics is valuable when working with a fabric which is
> +broken or only partially configured.  For this reason many of these tools may
> +require the use of an MKey or operation from Virtual Machines may be restricted
> +for security reasons.
> +
> +
>  COMMON OPTIONS
>  ==============
>  

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