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Re: [PATCH v6 03/21] libnvdimm: control character device and nvdimm_bus sysfs attributes

From "Rafael J. Wysocki" <rjw@rjwysocki.net>
Newsgroups linux.kernel
Subject Re: [PATCH v6 03/21] libnvdimm: control character device and nvdimm_bus sysfs attributes
Date 2015-06-17 23:40 +0200
Message-ID <pCtdU-5cm-21@gated-at.bofh.it> (permalink)
References <pAh7c-86n-3@gated-at.bofh.it> <pAh7e-86n-57@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Thursday, June 11, 2015 04:10:24 PM Dan Williams wrote:
> The control device for a nvdimm_bus is registered as an "nd" class
> device.  The expectation is that there will usually only be one "nd" bus
> registered under /sys/class/nd.  However, we allow for the possibility
> of multiple buses and they will listed in discovery order as
> ndctl0...ndctlN.  This character device hosts the ioctl for passing
> control messages.  The initial command set has a 1:1 correlation with
> the commands listed in the by the "NFIT DSM Example" document [1], but
> this scheme is extensible to future command sets.
> 
> Note, nd_ioctl() and the backing ->ndctl() implementation are defined in
> a subsequent patch.  This is simply the initial registrations and sysfs
> attributes.
> 
> [1]: http://pmem.io/documents/NVDIMM_DSM_Interface_Example.pdf
> 
> Cc: Neil Brown <neilb@suse.de>
> Cc: Greg KH <gregkh@linuxfoundation.org>
> Cc: <linux-acpi@vger.kernel.org>
> Cc: Robert Moore <robert.moore@intel.com>
> Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>

For the ACPI part:

Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

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Thread

[PATCH v6 00/21] libnvdimm: non-volatile memory devices Dan Williams <dan.j.williams@intel.com> - 2015-06-11 22:20 +0200
  [PATCH v6 01/21] e820, efi: add ACPI 6.0 persistent memory types Dan Williams <dan.j.williams@intel.com> - 2015-06-11 22:20 +0200
  [PATCH v6 11/21] libnvdimm,  nfit: add interleave-set state-tracking infrastructure Dan Williams <dan.j.williams@intel.com> - 2015-06-11 22:20 +0200
    Re: [PATCH v6 11/21] libnvdimm, nfit: add interleave-set state-tracking infrastructure "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2015-06-17 23:50 +0200
  [PATCH v6 04/21] libnvdimm, nfit: dimm/memory-devices Dan Williams <dan.j.williams@intel.com> - 2015-06-11 22:20 +0200
    Re: [PATCH v6 04/21] libnvdimm, nfit: dimm/memory-devices "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2015-06-17 23:40 +0200
  [PATCH v6 06/21] libnvdimm,  nvdimm: dimm driver and base libnvdimm device-driver infrastructure Dan Williams <dan.j.williams@intel.com> - 2015-06-11 22:20 +0200
  [PATCH v6 12/21] libnvdimm: namespace indices: read and validate Dan Williams <dan.j.williams@intel.com> - 2015-06-11 22:20 +0200
  [PATCH v6 15/21] libnvdimm: write pmem label set Dan Williams <dan.j.williams@intel.com> - 2015-06-11 22:20 +0200
  [PATCH v6 09/21] libnvdimm, pmem: move pmem to drivers/nvdimm/ Dan Williams <dan.j.williams@intel.com> - 2015-06-11 22:20 +0200
  [PATCH v6 03/21] libnvdimm: control character device and nvdimm_bus  sysfs attributes Dan Williams <dan.j.williams@intel.com> - 2015-06-11 22:20 +0200
    Re: [PATCH v6 03/21] libnvdimm: control character device and nvdimm_bus sysfs attributes "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2015-06-17 23:40 +0200
  Re: [PATCH v6 18/21] nd_btt: atomic sector updates Dan Williams <dan.j.williams@intel.com> - 2015-06-11 22:30 +0200
  Re: [PATCH v6 19/21] libnvdimm, nfit, nd_blk: driver for BLK-mode access persistent memory "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2015-06-17 23:50 +0200

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