Re: [PATCH RFC v2 08/10] IB/mlx5: Support IB_WR_REG_SIG_MR

[Bart Van Assche <bvanassche-HInyCGIudOg@public.gmane.org>]

On 2/11/2013 12:21, Or Gerlitz wrote:
> On Fri, Nov 1, 2013 at 10:37 PM, Bart Van Assche <bvanassche-HInyCGIudOg@public.gmane.org> wrote:
>> On 31/10/2013 5:24, Sagi Grimberg wrote:
>>>
>>> This patch implements IB_WR_REG_SIG_MR posted by the user.
>>>
>>> Baisically this WR involvs 3 WQEs in order to prepare and properly
>>> register the signature layout:
>>>
>>> 1. post UMR WR to register the sig_mr in one of two possible ways:
>>>       * In case the user registered a single MR for data so the UMR data
>>> segment
>>>         consists of:
>>>         - single klm (data MR) passed by the user
>>>         - BSF with signature attributes requested by the user.
>>>       * In case the user registered 2 MRs, one for data and one for
>>> protection,
>>>         the UMR consists of:
>>>         - strided block format which includes data and protection MRs and
>>>           their repetitive block format.
>>>         - BSF with signature attributes requested by the user.
>>>
>>> 2. post SET_PSV in order to set the for the memory domain initial
>>>      signature parameters passed by the user.
>>>
>>> 3. post SET_PSV in order to set the for the wire domain initial
>>>      signature parameters passed by the user.
>>>
>>> This patch also introduces some helper functions to set the BSF correctly
>>> and determining the signature format selectors.
>>
>>
>> Has it already been explained somewhere what the abbreviations KLM, BSF and
>> PSV stand for ?
>
> Bart, these are all HW T10 related objects/concepts, we made an effort
> to keep them contained within the mlx5 driver such that they don't
> show up on the IB core layer. If this helps for the review, Sagi can
> spare few words on each, sure.

Hello Or,

I would certainly appreciate it if these abbreviations could be 
clarified further. That would allow me to understand what has been 
explained in the above patch description :-)

Bart.


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