linux-stable/drivers/nvdimm
Dan Williams 9f53f9fa4a libnvdimm, pmem: add libnvdimm support to the pmem driver
nd_pmem attaches to persistent memory regions and namespaces emitted by
the libnvdimm subsystem, and, same as the original pmem driver, presents
the system-physical-address range as a block device.

The existing e820-type-12 to pmem setup is converted to an nvdimm_bus
that emits an nd_namespace_io device.

Note that the X in 'pmemX' is now derived from the parent region.  This
provides some stability to the pmem devices names from boot-to-boot.
The minor numbers are also more predictable by passing 0 to
alloc_disk().

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>
Acked-by: Christoph Hellwig <hch@lst.de>
Tested-by: Toshi Kani <toshi.kani@hp.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2015-06-24 21:24:10 -04:00
..
bus.c libnvdimm: support for legacy (non-aliasing) nvdimms 2015-06-24 21:24:10 -04:00
core.c libnvdimm: support for legacy (non-aliasing) nvdimms 2015-06-24 21:24:10 -04:00
dimm.c libnvdimm: support for legacy (non-aliasing) nvdimms 2015-06-24 21:24:10 -04:00
dimm_devs.c libnvdimm, nvdimm: dimm driver and base libnvdimm device-driver infrastructure 2015-06-24 21:24:10 -04:00
Kconfig libnvdimm, pmem: move pmem to drivers/nvdimm/ 2015-06-24 21:24:10 -04:00
Makefile libnvdimm, pmem: move pmem to drivers/nvdimm/ 2015-06-24 21:24:10 -04:00
namespace_devs.c libnvdimm: support for legacy (non-aliasing) nvdimms 2015-06-24 21:24:10 -04:00
nd-core.h libnvdimm: support for legacy (non-aliasing) nvdimms 2015-06-24 21:24:10 -04:00
nd.h libnvdimm: support for legacy (non-aliasing) nvdimms 2015-06-24 21:24:10 -04:00
pmem.c libnvdimm, pmem: add libnvdimm support to the pmem driver 2015-06-24 21:24:10 -04:00
region.c libnvdimm: support for legacy (non-aliasing) nvdimms 2015-06-24 21:24:10 -04:00
region_devs.c libnvdimm: support for legacy (non-aliasing) nvdimms 2015-06-24 21:24:10 -04:00