RE: [PATCH v2 10/27] nvdimm: Add driver for OpenCAPI Storage Class Memory

2020-02-18 Thread Alastair D'Silva
On Mon, 2020-02-03 at 13:20 +, Jonathan Cameron wrote: > On Tue, 3 Dec 2019 14:46:38 +1100 > Alastair D'Silva wrote: > > > From: Alastair D'Silva > > > > This driver exposes LPC memory on OpenCAPI SCM cards > > as an NVDIMM, allowing the existing nvram infrastructure > > to be used. > > >

Re: [PATCH v2 10/27] nvdimm: Add driver for OpenCAPI Storage Class Memory

2020-02-03 Thread Jonathan Cameron
On Tue, 3 Dec 2019 14:46:38 +1100 Alastair D'Silva wrote: > From: Alastair D'Silva > > This driver exposes LPC memory on OpenCAPI SCM cards > as an NVDIMM, allowing the existing nvram infrastructure > to be used. > > Namespace metadata is stored on the media itself, so > scm_reserve_metadata()

Re: [PATCH v2 10/27] nvdimm: Add driver for OpenCAPI Storage Class Memory

2019-12-02 Thread Alastair D'Silva
On Tue, 2019-12-03 at 14:46 +1100, Alastair D'Silva wrote: > From: Alastair D'Silva > > This driver exposes LPC memory on OpenCAPI SCM cards > as an NVDIMM, allowing the existing nvram infrastructure > to be used. > > Namespace metadata is stored on the media itself, so > scm_reserve_metadata()

[PATCH v2 10/27] nvdimm: Add driver for OpenCAPI Storage Class Memory

2019-12-02 Thread Alastair D'Silva
From: Alastair D'Silva This driver exposes LPC memory on OpenCAPI SCM cards as an NVDIMM, allowing the existing nvram infrastructure to be used. Namespace metadata is stored on the media itself, so scm_reserve_metadata() maps 1 section's worth of PMEM storage at the start to hold this. The rest