linux-kernel - [PATCH net-next 0/6] net/ncsi: Allow enabling multiple packages & channels

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Message-Id: <20181018035917.19413-1-sam@mendozajonas.com>
Date:   Thu, 18 Oct 2018 14:59:11 +1100
From:   Samuel Mendoza-Jonas <sam@...dozajonas.com>
To:     netdev@...r.kernel.org
Cc:     Samuel Mendoza-Jonas <sam@...dozajonas.com>,
        "David S . Miller" <davem@...emloft.net>, Justin.Lee1@...l.com,
        linux-kernel@...r.kernel.org, openbmc@...ts.ozlabs.org
Subject: [PATCH net-next 0/6] net/ncsi: Allow enabling multiple packages & channels

This series extends the NCSI driver to configure multiple packages
and/or channels simultaneously. Since the RFC series this includes a few
extra changes to fix areas in the driver that either made this harder or
were roadblocks due to deviations from the NCSI specification.

Patches 1 & 2 fix two issues where the driver made assumptions about the
capabilities of the NCSI topology.
Patches 3 & 4 change some internal semantics slightly to make multi-mode
easier.
Patch 5 introduces a cleaner way of reconfiguring the NCSI configuration
and keeping track of channel states.
Patch 6 implements the main multi-package/multi-channel configuration,
configured via the Netlink interface.

Readers who have an interesting NCSI setup - especially multi-package
with HWA - please test! I think I've covered all permutations but I
don't have infinite hardware to test on.

Samuel Mendoza-Jonas (6):
  net/ncsi: Don't enable all channels when HWA available
  net/ncsi: Probe single packages to avoid conflict
  net/ncsi: Don't deselect package in suspend if active
  net/ncsi: Don't mark configured channels inactive
  net/ncsi: Reset channel state in ncsi_start_dev()
  net/ncsi: Configure multi-package, multi-channel modes with failover

 include/uapi/linux/ncsi.h |  15 ++
 net/ncsi/internal.h       |  19 +-
 net/ncsi/ncsi-aen.c       |  63 ++++--
 net/ncsi/ncsi-manage.c    | 445 +++++++++++++++++++++++++-------------
 net/ncsi/ncsi-netlink.c   | 229 +++++++++++++++++---
 net/ncsi/ncsi-rsp.c       |   2 +-
 6 files changed, 570 insertions(+), 203 deletions(-)

-- 
2.19.1