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Re: [PATCH v6 19/21] libnvdimm, nfit, nd_blk: driver for BLK-mode access persistent memory

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On Thursday, June 11, 2015 04:11:53 PM Dan Williams wrote:
> From: Ross Zwisler <ross.zwisler@linux.intel.com>
> 
> The libnvdimm implementation handles allocating dimm address space (DPA)
> between PMEM and BLK mode interfaces.  After DPA has been allocated from
> a BLK-region to a BLK-namespace the nd_blk driver attaches to handle I/O
> as a struct bio based block device. Unlike PMEM, BLK is required to
> handle platform specific details like mmio register formats and memory
> controller interleave.  For this reason the libnvdimm generic nd_blk
> driver calls back into the bus provider to carry out the I/O.
> 
> This initial implementation handles the BLK interface defined by the
> ACPI 6 NFIT [1] and the NVDIMM DSM Interface Example [2] composed from
> DCR (dimm control region), BDW (block data window), IDT (interleave
> descriptor) NFIT structures and the hardware register format.
> [1]: http://www.uefi.org/sites/default/files/resources/ACPI_6.0.pdf
> [2]: http://pmem.io/documents/NVDIMM_DSM_Interface_Example.pdf
> 
> Cc: Andy Lutomirski <luto@amacapital.net>
> Cc: Boaz Harrosh <boaz@plexistor.com>
> Cc: H. Peter Anvin <hpa@zytor.com>
> Cc: Jens Axboe <axboe@fb.com>
> Cc: Ingo Molnar <mingo@kernel.org>
> Cc: Christoph Hellwig <hch@lst.de>
> Signed-off-by: Ross Zwisler <ross.zwisler@linux.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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[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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