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6 Commits

Author SHA1 Message Date
Konstantin Belousov
6465f3158a nvdimm: initialize SPA uuids statically. 
The SPA ids are published numbers, so it's safe (if not a bit
annoying) to copy them into a source file.

Submitted by:	D Scott Phillips <d.scott.phillips@intel.com>
Sponsored by:	Intel Corporation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D18733
 2019-01-18 10:54:36 +00:00
Konstantin Belousov
fc4a961a3b nvdimm: add a driver for the NVDIMM root device 
The NVDIMM root device is parent to the individual ACPI NVDIMM
devices.  Add a driver for the NVDIMM root device that can own
enumeration of NVDIMM devices as well as NVDIMM SPA ranges that the
system has.

Submitted by:	D Scott Phillips <d.scott.phillips@intel.com>
Sponsored by:	Intel Corporation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D18346
 2019-01-18 10:45:27 +00:00
Konstantin Belousov
cbbdd28318 nvdimm SPA geom: Update bio fields needed for devstat_end_transaction_bio(). 
Reported by:	bde
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
 2018-12-23 19:14:31 +00:00
Konstantin Belousov
90a38351c8 Initializer error variable in nvdimm_spa_uio(). 
Several code paths might result in returning uninitialized value.

Reported by:	coverity through cem
CID:	1396315
Sponsored by:	The FreeBSD Foundation
 2018-10-23 17:53:35 +00:00
Conrad Meyer
b3b23b71d6 nvdimm(4): Fix GCC 6.4.0 build 
-Wformat= pedantically complains that the void* pointer is passed to a %s
format.

Sponsored by:	Dell EMC Isilon
 2018-10-20 18:01:15 +00:00
Konstantin Belousov
6db7f8e554 Add initial driver for ACPI NFIT-enumerated NVDIMMs. 
Driver enumerates NVDIMMs.  Besides, for each found System Physical
Address (SPA) range, spaN geom provider is created, which allows
formatting and mounting the region as the normal volume.  Also,
/dev/nvdimm_spaN node is created, which can be read/written/mapped by
userspace, the mapping is zero-copy.

No support for block access methods implemented, labels are not
parsed.   No management interfaces are provided.

Tested by:	Intel, NetApp
Sponsored by:	The FreeBSD Foundation
Approved by:	re (gjb)
MFC after:	2 weeks
 2018-10-16 20:12:35 +00:00