On Wed, Dec 16, 2015 at 4:43 PM, Sagi Grimberg wrote:
>
>> Reporting the hca_core_clock (in kHZ) and the timestamp_mask in
>> query_device extended verb. timestamp_mask is used by users in order
>> to know what is the valid range of the raw timestamps, while
>> hca_core_clock reports the clock frequency that is used for
>> timestamps.
>
>
> Hi Matan,
>
> Shouldn't this patch come last?
>
Not necessarily. In order to support completion timestamping (that's
what defined in this query_device patch), we only need create_cq_ex in
mlx5_ib.
The down stream patches adds support for reading the HCA core clock
(via query_values).
One could have completion timestamping support without having
ibv_query_values support.
Thanks for taking a look.
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