On Mon, Sep 25, 2017 at 9:16 AM, Brian Stark wrote:
> Really I am just trying to understand what is currently implemented. If
> you take away the direct access functions I mention, the rest of the
> functions should provide most functionality needed but implementing
t; To: Dan Williams <dan.j.willi...@intel.com>
> > > Cc: Raghu Kulkarni <raghu.kulka...@sanmina.com>;
> linux-nvdimm@lists.01.org
> > > Subject: Re: Access to NVDIMM JEDEC registers
> > >
> > > Thanks for the response Dan,
> > >
> > > As a
..@sanmina.com>;
> linux-nvdimm@lists.01.org
> > Subject: Re: Access to NVDIMM JEDEC registers
> >
> > Thanks for the response Dan,
> >
> > As a developer of NVDIMMs we interface to our controller using the SMBUS
> > interface, which is part of the JEDE
20, 2017 11:11 AM
> > To: Dan Williams <dan.j.willi...@intel.com>
> > Cc: Raghu Kulkarni <raghu.kulka...@sanmina.com>; linux-nvdimm@lists.01.org
> > Subject: Re: Access to NVDIMM JEDEC registers
> >
> > Thanks for the response Dan,
> >
> > As a dev
gt;; linux-nvdimm@lists.01.org
> Subject: Re: Access to NVDIMM JEDEC registers
>
> Thanks for the response Dan,
>
> As a developer of NVDIMMs we interface to our controller using the SMBUS
> interface, which is part of the JEDEC standard. In the past we have always
> tested and acce
On Wed, Sep 20, 2017 at 1:53 PM, Christoph Hellwig wrote:
> On Wed, Sep 20, 2017 at 09:52:32AM -0700, Dan Williams wrote:
>> What that means is that the utility to read the JEDEC registers would need
>> to:
>>
>> 1/ Determine if the DIMM is standard JEDEC defined DIMM (the
On Wed, Sep 20, 2017 at 09:52:32AM -0700, Dan Williams wrote:
> What that means is that the utility to read the JEDEC registers would need to:
>
> 1/ Determine if the DIMM is standard JEDEC defined DIMM (the ACPI NFIT
> should indicate this)
>
> 2/ Determine if the BIOS provides a DSM command
On Wed, Sep 20, 2017 at 9:10 AM, Brian Stark wrote:
> Thanks for the response Dan,
>
> As a developer of NVDIMMs we interface to our controller using the SMBUS
> interface, which is part of the JEDEC standard. In the past we have always
> tested and accessed out NVDIMMs
Thanks for the response Dan,
As a developer of NVDIMMs we interface to our controller using the SMBUS
interface, which is part of the JEDEC standard. In the past we have always
tested and accessed out NVDIMMs by directly manipulating the SMBUS
controller defined in the chipsets. As you may be
On Tue, Sep 19, 2017 at 3:29 PM, Brian Stark wrote:
> Where can I find documentation on accessing NVDIMM JEDEC registers, for
> example if I want to read page 0 offset 0x80 (defined to be CSAVE_INFO in
> the JEDEC specification. How do I do this through Linux given that
Where can I find documentation on accessing NVDIMM JEDEC registers, for
example if I want to read page 0 offset 0x80 (defined to be CSAVE_INFO in
the JEDEC specification. How do I do this through Linux given that the
BIOS has locked the chipset?
Brian
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