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On Sat, 2020-05-30 at 03:35 +0530, Vaibhav Jain wrote:
> There are scenarios when a dimm-provider need to allocate some
> per-dimm data that can be quickly retrieved. This data can be used to
> cache data that spans multiple 'struct ndctl_cmd' submissions.
>
> Unfortunately currently in libnvdimm
> -Original Message-
> From: Vaibhav Jain
> Sent: Friday, May 29, 2020 3:06 PM
> To: linux-nvdimm@lists.01.org
> Cc: Vaibhav Jain ; Williams, Dan J
> ; Verma, Vishal L ;
> Aneesh Kumar K . V ; Jeff Moyer
> ; Oliver O'Halloran ; Santosh
> Sivaraj ; Weiny, Ira
> Subject: [ndctl PATCH v5
[ forgive formatting I'm temporarily stuck using Outlook this week... ]
> From: Vaibhav Jain
[..]
>
> Introduce support for PAPR NVDIMM Specific Methods (PDSM) in papr_scm
> module and add the command family NVDIMM_FAMILY_PAPR to the white
> list of NVDIMM command sets. Also advertise support
On Thu, Jun 04, 2020 at 01:58:00AM +0530, Vaibhav Jain wrote:
> Hi Ira,
>
> Thanks again for reviewing this patch. My Response below:
>
> Ira Weiny writes:
>
> > On Tue, Jun 02, 2020 at 01:51:49PM -0700, 'Ira Weiny' wrote:
> >> On Tue, Jun 02, 2020 at 03:44:37PM +0530, Vaibhav Jain wrote:
> >
On Thu, Jun 04, 2020 at 12:34:04AM +0530, Vaibhav Jain wrote:
> Hi Ira,
>
> Thanks for reviewing this patch. My responses below:
>
> Ira Weiny writes:
>
> > On Tue, Jun 02, 2020 at 03:44:38PM +0530, Vaibhav Jain wrote:
> >> This patch implements support for PDSM request 'PAPR_PDSM_HEALTH'
> >>
On Wed, Jun 03, 2020 at 11:41:42PM +0530, Vaibhav Jain wrote:
> Hi Ira,
>
> Thanks for reviewing this patch. My responses below:
>
> Ira Weiny writes:
>
...
> >> + *
> >> + * Payload Version:
> >> + *
> >> + * A 'payload_version' field is present in PDSM header that indicates a
> >>
Hi Ira,
Thanks again for reviewing this patch. My Response below:
Ira Weiny writes:
> On Tue, Jun 02, 2020 at 01:51:49PM -0700, 'Ira Weiny' wrote:
>> On Tue, Jun 02, 2020 at 03:44:37PM +0530, Vaibhav Jain wrote:
>
> ...
>
>> > +
>> > +/*
>> > + * PDSM Envelope:
>> > + *
>> > + * The ioctl
Hi Ira,
Thanks for reviewing this patch. My responses below:
Ira Weiny writes:
> On Tue, Jun 02, 2020 at 03:44:38PM +0530, Vaibhav Jain wrote:
>> This patch implements support for PDSM request 'PAPR_PDSM_HEALTH'
>> that returns a newly introduced 'struct nd_papr_pdsm_health' instance
>>
Hi Ira,
Thanks for reviewing this patch. My responses below:
Ira Weiny writes:
> On Tue, Jun 02, 2020 at 03:44:37PM +0530, Vaibhav Jain wrote:
>> Introduce support for PAPR NVDIMM Specific Methods (PDSM) in papr_scm
>> module and add the command family NVDIMM_FAMILY_PAPR to the white list
>>
"Verma, Vishal L" writes:
> On Wed, 2020-06-03 at 15:27 +0530, Vaibhav Jain wrote:
>> >
>> > Two things here:
>> > 1. Why not use the new ndctl_bus_has_of_node helper here? and
>> > 2. This looks redundant. add_papr_dimm() is only called if
>> > ndctl_bus_has_of_node() during add_dimm.
>>
On Wed, 2020-06-03 at 15:27 +0530, Vaibhav Jain wrote:
> >
> > Two things here:
> > 1. Why not use the new ndctl_bus_has_of_node helper here? and
> > 2. This looks redundant. add_papr_dimm() is only called if
> > ndctl_bus_has_of_node() during add_dimm.
> Presently we have two different nvdimm
--
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"Verma, Vishal L" writes:
> On Sat, 2020-05-30 at 03:35 +0530, Vaibhav Jain wrote:
>
>> diff --git a/ndctl/lib/libndctl.c b/ndctl/lib/libndctl.c
>> index d76dbf7e17de..a52c2e208fbe 100644
>> --- a/ndctl/lib/libndctl.c
>> +++ b/ndctl/lib/libndctl.c
>> @@ -799,6 +799,28 @@ static void
On 6/3/20 1:56 PM, Jan Kara wrote:
On Tue 02-06-20 17:59:08, Williams, Dan J wrote:
[ forgive formatting, a series of unfortunate events has me using Outlook for
the moment ]
From: Jan Kara
These flags are device properties that affect the kernel and
userspace's handling of persistence.
On Tue 02-06-20 17:59:08, Williams, Dan J wrote:
> [ forgive formatting, a series of unfortunate events has me using Outlook for
> the moment ]
>
> > From: Jan Kara
> > > > > These flags are device properties that affect the kernel and
> > > > > userspace's handling of persistence.
> > > > >
>
Hi Vishal,
Thanks for reviewing this patch. My responses below:
"Verma, Vishal L" writes:
> On Sat, 2020-05-30 at 03:35 +0530, Vaibhav Jain wrote:
>> Presently add_dimm() only probes dimms that support NFIT/ACPI. Hence
>> this patch refactors this functionality into two functions namely
>>
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