From: Matan Barak <matanb@mellanox.com>
Date: Thu, 11 Jun 2015 13:35:24 +0000 (+0300)
Subject: IB/core: Add timestamp_mask and hca_core_clock to query_device
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~152^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=24306dc66149020c59a07b64e2a325af59ee7d10;p=pandora-kernel.git

IB/core: Add timestamp_mask and hca_core_clock to query_device

In order to expose timestamp we need to expose two new attributes in
query_device to be used for CQ completion time-stamping:

timestamp_mask - how many bits are valid in the timestamp, where timestamp
values could be 64bits the most.

hca_core_clock - timestamp is given in HW cycles, the frequency in KHZ units
of the HCA, necessary in order to convert cycles to seconds.

This is added both to ib_query_device and its respective uverbs counterpart.

Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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