From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ira Weiny Subject: [PATCH] infiniband-diags: Add SMP/QP0 usage explanation to general man page Date: Thu, 31 May 2012 16:02:49 -0700 Message-ID: <20120531160249.f23247ea.weiny2@llnl.gov> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: linux-rdma@vger.kernel.org Signed-off-by: Ira Weiny --- 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 +data directly from hardware. While this mode of operation is not technically +in compliance with the InfiniBand specification, 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 ============== -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html