From: Michael Ellerman <mpe@ellerman.id.au>
To: Oliver O'Halloran <oohall@gmail.com>
Cc: "Alastair D'Silva" <alastair@d-silva.org>,
"Aneesh Kumar K . V" <aneesh.kumar@linux.ibm.com>,
"Benjamin Herrenschmidt" <benh@kernel.crashing.org>,
"Paul Mackerras" <paulus@samba.org>,
"Frederic Barrat" <fbarrat@linux.ibm.com>,
"Andrew Donnellan" <ajd@linux.ibm.com>,
"Arnd Bergmann" <arnd@arndb.de>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Mauro Carvalho Chehab" <mchehab+samsung@kernel.org>,
"David S. Miller" <davem@davemloft.net>,
"Rob Herring" <robh@kernel.org>,
"Anton Blanchard" <anton@ozlabs.org>,
"Krzysztof Kozlowski" <krzk@kernel.org>,
"Mahesh Salgaonkar" <mahesh@linux.vnet.ibm.com>,
"Madhavan Srinivasan" <maddy@linux.vnet.ibm.com>,
"Cédric Le Goater" <clg@kaod.org>,
"Anju T Sudhakar" <anju@linux.vnet.ibm.com>,
"Hari Bathini" <hbathini@linux.ibm.com>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Greg Kurz" <groug@kaod.org>,
"Nicholas Piggin" <npiggin@gmail.com>,
"Masahiro Yamada" <yamada.masahiro@socionext.com>,
"Alexey Kardashevskiy" <aik@ozlabs.ru>,
"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
linux-nvdimm <linux-nvdimm@lists.01.org>,
"Linux MM" <linux-mm@kvack.org>
Subject: Re: [PATCH v4 00/25] Add support for OpenCAPI Persistent Memory devices
Date: Thu, 02 Apr 2020 21:06:01 +1100 [thread overview]
Message-ID: <87bloatd6e.fsf@mpe.ellerman.id.au> (raw)
In-Reply-To: <CAOSf1CHdpFyT_6zetKM6eHDK3AT8-UNTzjdd2y+QqYT2AO9VDw@mail.gmail.com>
"Oliver O'Halloran" <oohall@gmail.com> writes:
> On Thu, Apr 2, 2020 at 2:42 PM Michael Ellerman <mpe@ellerman.id.au> wrote:
>> "Alastair D'Silva" <alastair@d-silva.org> writes:
>> >> -----Original Message-----
>> >> From: Dan Williams <dan.j.williams@intel.com>
>> >>
>> >> On Sun, Mar 29, 2020 at 10:23 PM Alastair D'Silva <alastair@d-silva.org>
>> >> wrote:
>> >> >
>> >> > *snip*
>> >> Are OPAL calls similar to ACPI DSMs? I.e. methods for the OS to invoke
>> >> platform firmware services? What's Skiboot?
>> >
>> > Yes, OPAL is the interface to firmware for POWER. Skiboot is the open-source (and only) implementation of OPAL.
>>
>> https://github.com/open-power/skiboot
>>
>> In particular the tokens for calls are defined here:
>>
>> https://github.com/open-power/skiboot/blob/master/include/opal-api.h#L220
>>
>> And you can grep for the token to find the implementation:
>>
>> https://github.com/open-power/skiboot/blob/master/hw/npu2-opencapi.c#L2328
>
> I'm not sure I'd encourage anyone to read npu2-opencapi.c. I find it
> hard enough to follow even with access to the workbooks.
Compared to certain firmwares that run on certain other platforms it's
actually pretty readable code ;)
> There's an OPAL call API reference here:
> http://open-power.github.io/skiboot/doc/opal-api/index.html
Even better.
cheers
_______________________________________________
Linux-nvdimm mailing list -- linux-nvdimm@lists.01.org
To unsubscribe send an email to linux-nvdimm-leave@lists.01.org
next prev parent reply other threads:[~2020-04-02 10:06 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-27 7:11 [PATCH v4 00/25] Add support for OpenCAPI Persistent Memory devices Alastair D'Silva
2020-03-27 7:11 ` [PATCH v4 01/25] powerpc/powernv: Add OPAL calls for LPC memory alloc/release Alastair D'Silva
2020-04-01 8:48 ` Dan Williams
2020-04-01 22:51 ` Alastair D'Silva
2020-03-27 7:11 ` [PATCH v4 02/25] mm/memory_hotplug: Allow check_hotplug_memory_addressable to be called from drivers Alastair D'Silva
2020-04-01 8:48 ` Dan Williams
2020-04-02 4:33 ` Alastair D'Silva
2020-03-27 7:11 ` [PATCH v4 03/25] powerpc/powernv: Map & release OpenCAPI LPC memory Alastair D'Silva
2020-04-01 8:48 ` Dan Williams
2020-04-02 4:36 ` Alastair D'Silva
[not found] ` <f763d9d8487e77006b233bc16e0883f956850b6c.camel@kernel.crashing.org>
2020-04-03 4:27 ` Michael Ellerman
2020-03-27 7:11 ` [PATCH v4 04/25] ocxl: Remove unnecessary externs Alastair D'Silva
2020-04-01 8:48 ` Dan Williams
2020-03-27 7:11 ` [PATCH v4 05/25] ocxl: Address kernel doc errors & warnings Alastair D'Silva
2020-04-01 8:49 ` Dan Williams
2020-03-27 7:11 ` [PATCH v4 06/25] ocxl: Tally up the LPC memory on a link & allow it to be mapped Alastair D'Silva
2020-04-01 8:48 ` Dan Williams
2020-04-02 6:21 ` Andrew Donnellan
2020-03-27 7:11 ` [PATCH v4 07/25] ocxl: Add functions to map/unmap LPC memory Alastair D'Silva
2020-04-01 8:49 ` Dan Williams
2020-04-03 3:50 ` Alastair D'Silva
2020-03-27 7:11 ` [PATCH v4 08/25] ocxl: Emit a log message showing how much LPC memory was detected Alastair D'Silva
2020-04-01 8:49 ` Dan Williams
2020-04-02 1:29 ` Joe Perches
2020-04-03 3:52 ` Alastair D'Silva
2020-03-27 7:11 ` [PATCH v4 09/25] ocxl: Save the device serial number in ocxl_fn Alastair D'Silva
2020-03-27 7:11 ` [PATCH v4 10/25] nvdimm: Add driver for OpenCAPI Persistent Memory Alastair D'Silva
2020-03-29 2:56 ` Matthew Wilcox
2020-03-29 2:59 ` Matthew Wilcox
2020-04-01 8:49 ` Dan Williams
2020-04-01 19:35 ` Dan Williams
2020-03-27 7:11 ` [PATCH v4 11/25] powerpc: Enable the OpenCAPI Persistent Memory driver for powernv_defconfig Alastair D'Silva
2020-04-01 20:26 ` Dan Williams
2020-03-27 7:11 ` [PATCH v4 12/25] nvdimm/ocxl: Add register addresses & status values to the header Alastair D'Silva
2020-04-01 20:27 ` Dan Williams
2020-03-27 7:11 ` [PATCH v4 13/25] nvdimm/ocxl: Read the capability registers & wait for device ready Alastair D'Silva
2020-04-02 0:20 ` Dan Williams
2020-03-27 7:11 ` [PATCH v4 14/25] nvdimm/ocxl: Add support for Admin commands Alastair D'Silva
2020-04-02 6:41 ` Dan Williams
2020-03-27 7:11 ` [PATCH v4 15/25] nvdimm/ocxl: Register a character device for userspace to interact with Alastair D'Silva
2020-04-02 0:27 ` Dan Williams
2020-03-27 7:11 ` [PATCH v4 16/25] nvdimm/ocxl: Implement the Read Error Log command Alastair D'Silva
2020-04-03 0:54 ` Dan Williams
2020-03-27 7:11 ` [PATCH v4 17/25] nvdimm/ocxl: Add controller dump IOCTLs Alastair D'Silva
2020-03-27 7:11 ` [PATCH v4 18/25] nvdimm/ocxl: Add an IOCTL to report controller statistics Alastair D'Silva
2020-03-27 7:11 ` [PATCH v4 19/25] nvdimm/ocxl: Forward events to userspace Alastair D'Silva
2020-04-02 2:08 ` Dan Williams
2020-03-27 7:11 ` [PATCH v4 20/25] nvdimm/ocxl: Add an IOCTL to request controller health & perf data Alastair D'Silva
2020-03-27 7:11 ` [PATCH v4 21/25] nvdimm/ocxl: Implement the heartbeat command Alastair D'Silva
2020-03-27 7:11 ` [PATCH v4 22/25] nvdimm/ocxl: Add debug IOCTLs Alastair D'Silva
2020-03-27 7:12 ` [PATCH v4 23/25] nvdimm/ocxl: Expose SMART data via ndctl Alastair D'Silva
2020-03-27 7:12 ` [PATCH v4 24/25] nvdimm/ocxl: Expose the serial number & firmware version in sysfs Alastair D'Silva
2020-03-27 7:12 ` [PATCH v4 25/25] MAINTAINERS: Add myself & nvdimm/ocxl to ocxl Alastair D'Silva
2020-04-01 8:47 ` [PATCH v4 00/25] Add support for OpenCAPI Persistent Memory devices Dan Williams
2020-04-01 22:44 ` Alastair D'Silva
2020-04-02 3:42 ` Michael Ellerman
2020-04-02 3:50 ` Oliver O'Halloran
2020-04-02 10:06 ` Michael Ellerman [this message]
2020-04-02 11:10 ` Greg Kurz
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87bloatd6e.fsf@mpe.ellerman.id.au \
--to=mpe@ellerman.id.au \
--cc=aik@ozlabs.ru \
--cc=ajd@linux.ibm.com \
--cc=akpm@linux-foundation.org \
--cc=alastair@d-silva.org \
--cc=aneesh.kumar@linux.ibm.com \
--cc=anju@linux.vnet.ibm.com \
--cc=anton@ozlabs.org \
--cc=arnd@arndb.de \
--cc=benh@kernel.crashing.org \
--cc=clg@kaod.org \
--cc=davem@davemloft.net \
--cc=fbarrat@linux.ibm.com \
--cc=gregkh@linuxfoundation.org \
--cc=groug@kaod.org \
--cc=hbathini@linux.ibm.com \
--cc=krzk@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux-nvdimm@lists.01.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=maddy@linux.vnet.ibm.com \
--cc=mahesh@linux.vnet.ibm.com \
--cc=mchehab+samsung@kernel.org \
--cc=npiggin@gmail.com \
--cc=oohall@gmail.com \
--cc=paulus@samba.org \
--cc=robh@kernel.org \
--cc=tglx@linutronix.de \
--cc=yamada.masahiro@socionext.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).