linux-kernel - [PATCH V4 0/2] Add support for OCC command/response interface

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Date:   Wed, 21 Jun 2017 13:36:25 +0530
From:   Shilpasri G Bhat <shilpa.bhat@...ux.vnet.ibm.com>
To:     linuxppc-dev@...ts.ozlabs.org, cyrilbur@...il.com
Cc:     linux-kernel@...r.kernel.org, benh@...nel.crashing.org,
        paulus@...ba.org, mpe@...erman.id.au, svaidy@...ux.vnet.ibm.com,
        ego@...ux.vnet.ibm.com,
        Shilpasri G Bhat <shilpa.bhat@...ux.vnet.ibm.com>
Subject: [PATCH V4 0/2] Add support for OCC command/response interface

In P9, OCC(On Chip Controller) can be sent commands inband via shared
memory based command response interface.  This patch adds a platform
driver to support the OCC command-response interface.

The skiboot patch for the interface is posted here:
https://lists.ozlabs.org/pipermail/skiboot/2017-June/007705.html

Shilpasri G Bhat (2):
  powerpc/powernv: Get a unique token for async completions
  powerpc/powernv : Add support for OPAL-OCC command/response interface

 arch/powerpc/include/asm/opal-api.h            |  41 +++-
 arch/powerpc/include/asm/opal.h                |   4 +
 arch/powerpc/platforms/powernv/Makefile        |   2 +-
 arch/powerpc/platforms/powernv/opal-async.c    |  46 ++++
 arch/powerpc/platforms/powernv/opal-occ.c      | 313 +++++++++++++++++++++++++
 arch/powerpc/platforms/powernv/opal-wrappers.S |   1 +
 arch/powerpc/platforms/powernv/opal.c          |   8 +
 7 files changed, 413 insertions(+), 2 deletions(-)
 create mode 100644 arch/powerpc/platforms/powernv/opal-occ.c

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