RE: [PATCH v3 14/27] powerpc/powernv/pmem: Add support for Admin commands

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To: Dan Williams <dan.j.williams@xxxxxxxxx>
Subject: RE: [PATCH v3 14/27] powerpc/powernv/pmem: Add support for Admin commands
From: "Alastair D'Silva" <alastair@xxxxxxxxxxx>
Date: Fri, 28 Feb 2020 10:57:04 +1100
Cc: "Aneesh Kumar K . V" <aneesh.kumar@xxxxxxxxxxxxx>, "Oliver O'Halloran" <oohall@xxxxxxxxx>, Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>, Paul Mackerras <paulus@xxxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Frederic Barrat <fbarrat@xxxxxxxxxxxxx>, Andrew Donnellan <ajd@xxxxxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, Vishal Verma <vishal.l.verma@xxxxxxxxx>, Dave Jiang <dave.jiang@xxxxxxxxx>, Ira Weiny <ira.weiny@xxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx>, Rob Herring <robh@xxxxxxxxxx>, Anton Blanchard <anton@xxxxxxxxxx>, Krzysztof Kozlowski <krzk@xxxxxxxxxx>, Mahesh Salgaonkar <mahesh@xxxxxxxxxxxxxxxxxx>, Madhavan Srinivasan <maddy@xxxxxxxxxxxxxxxxxx>, Cédric Le Goater <clg@xxxxxxxx>, Anju T Sudhakar <anju@xxxxxxxxxxxxxxxxxx>, Hari Bathini <hbathini@xxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Greg Kurz <groug@xxxxxxxx>, Nicholas Piggin <npiggin@xxxxxxxxx>, Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>, Alexey Kardashevskiy <aik@xxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, linuxppc-dev <linuxppc-dev@xxxxxxxxxxxxxxxx>, linux-nvdimm <linux-nvdimm@xxxxxxxxxxxx>, Linux MM <linux-mm@xxxxxxxxx>
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On Thu, 2020-02-27 at 09:01 -0800, Dan Williams wrote:
> On Thu, Feb 20, 2020 at 7:28 PM Alastair D'Silva <
> alastair@xxxxxxxxxxx> wrote:
> > From: Alastair D'Silva <alastair@xxxxxxxxxxx>
> > 
> > This patch requests the metadata required to issue admin commands,
> > as well
> > as some helper functions to construct and check the completion of
> > the
> > commands.
> 
> What are the admin commands? Any pointer to a spec? Why does Linux
> need to support these commands?


I'll flesh these out for the next spin, thanks.

-- 
Alastair D'Silva
Open Source Developer
Linux Technology Centre, IBM Australia
mob: 0423 762 819

References:
- [PATCH v3 00/27] Add support for OpenCAPI Persistent Memory devices
  - From: Alastair D'Silva
- [PATCH v3 14/27] powerpc/powernv/pmem: Add support for Admin commands
  - From: Alastair D'Silva
- Re: [PATCH v3 14/27] powerpc/powernv/pmem: Add support for Admin commands
  - From: Dan Williams

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