On Tue, Nov 29, 2016 at 09:21:13AM -0700, Jason Gunthorpe wrote:
On Mon, Nov 28, 2016 at 10:29:38PM -0800, Vishwanathapura, Niranjana wrote:
On Thu, Nov 24, 2016 at 09:15:45AM -0700, Jason Gunthorpe wrote:
>>And will move the hfi_vnic module under
>>???drivers/infiniband/ulp/hfi_vnic???.
>
>I wo
On Tue, Nov 29, 2016 at 09:50:09AM -0700, Jason Gunthorpe wrote:
On Tue, Nov 29, 2016 at 04:44:37PM +, Hefty, Sean wrote:
> You are not making a subsystem. Don't overcomplicate things. A
> multi-part device device can just directly link.
The VNIC may be usable over multiple generations of H
On Tue, Nov 29, 2016 at 04:44:37PM +, Hefty, Sean wrote:
> > You are not making a subsystem. Don't overcomplicate things. A
> > multi-part device device can just directly link.
>
> The VNIC may be usable over multiple generations of HFIs, but I
> don't know if that is the intent.
If Intel wan
> You are not making a subsystem. Don't overcomplicate things. A
> multi-part device device can just directly link.
The VNIC may be usable over multiple generations of HFIs, but I don't know if
that is the intent.
On Mon, Nov 28, 2016 at 10:29:38PM -0800, Vishwanathapura, Niranjana wrote:
> On Thu, Nov 24, 2016 at 09:15:45AM -0700, Jason Gunthorpe wrote:
> >>And will move the hfi_vnic module under
> >>???drivers/infiniband/ulp/hfi_vnic???.
> >
> >I would prefer drivers/net/ethernet
> >
> >This is clearly not
On Mon, Nov 28, 2016 at 10:31:06PM -0800, Vishwanathapura, Niranjana wrote:
> On Fri, Nov 25, 2016 at 12:05:09PM -0700, Jason Gunthorpe wrote:
> >On Thu, Nov 24, 2016 at 06:13:50PM -0800, Vishwanathapura, Niranjana wrote:
> >
> >>In order to be truely device independent the hfi_vnic ULP should not
On Fri, Nov 25, 2016 at 12:05:09PM -0700, Jason Gunthorpe wrote:
On Thu, Nov 24, 2016 at 06:13:50PM -0800, Vishwanathapura, Niranjana wrote:
In order to be truely device independent the hfi_vnic ULP should not depend
on a device exported symbol. Instead device should register its functions
with
On Thu, Nov 24, 2016 at 09:15:45AM -0700, Jason Gunthorpe wrote:
And will move the hfi_vnic module under
‘drivers/infiniband/ulp/hfi_vnic’.
I would prefer drivers/net/ethernet
This is clearly not a ULP since it doesn't use verbs.
I understand it is not using verbs, but the control path (ib_
On Thu, Nov 24, 2016 at 06:13:50PM -0800, Vishwanathapura, Niranjana wrote:
> In order to be truely device independent the hfi_vnic ULP should not depend
> on a device exported symbol. Instead device should register its functions
> with the ULP. Hence the approaches a) and b).
It is not device in
On Thu, Nov 24, 2016 at 09:15:45AM -0700, Jason Gunthorpe wrote:
On Wed, Nov 23, 2016 at 04:08:25PM -0800, Vishwanathapura, Niranjana wrote:
In order to pass the hfi function pointers to the hfi_vnic ULP, I can,
a) Have hfi_vnic ULP define an interface API for hfi1 driver to call to
register it
On Wed, Nov 23, 2016 at 04:08:25PM -0800, Vishwanathapura, Niranjana wrote:
> In order to pass the hfi function pointers to the hfi_vnic ULP, I can,
> a) Have hfi_vnic ULP define an interface API for hfi1 driver to call to
> register its callback (as you pointed). Unfortunately there will be a mod
On Tue, Nov 22, 2016 at 05:49:32PM -0700, Jason Gunthorpe wrote:
> > We could add a custom Interface between HFI1 driver and hfi_vnic drivers
> > without involving a bus.
>
> hfi is already registering on the infiniband class, just use that.
I don't understand what you mean here?
Get the struc
On Tue, Nov 22, 2016 at 05:04:37PM -0600, Christoph Lameter wrote:
On Tue, 22 Nov 2016, Vishwanathapura, Niranjana wrote:
Ok, I do understand Jason's point that we should probably not put this driver
under drivers/infiniband/sw/.., as this driver is not a HCA.
It is an ULP similar to ipoib, bui
On Tue, Nov 22, 2016 at 07:05:05PM -0500, ira.weiny wrote:
> On Tue, Nov 22, 2016 at 10:04:07AM -0700, Jason Gunthorpe wrote:
> > On Mon, Nov 21, 2016 at 05:53:04PM -0800, Vishwanathapura, Niranjana wrote:
> > > There are many example drivers in kernel which are using bus_register() in
> > > an ini
On Tue, Nov 22, 2016 at 10:04:07AM -0700, Jason Gunthorpe wrote:
> On Mon, Nov 21, 2016 at 05:53:04PM -0800, Vishwanathapura, Niranjana wrote:
> > There are many example drivers in kernel which are using bus_register() in
> > an initcall.
>
> There really are not, certainly not in major subsystems
On Tue, Nov 22, 2016 at 11:49:18AM -0800, Vishwanathapura, Niranjana wrote:
> Ok, I do understand Jason's point that we should probably not put
> this driver under drivers/infiniband/sw/.., as this driver is not a
> HCA.
> It is an ULP similar to ipoib, built on top of Omni-path
> irrespective of w
On Tue, 22 Nov 2016, Vishwanathapura, Niranjana wrote:
> Ok, I do understand Jason's point that we should probably not put this driver
> under drivers/infiniband/sw/.., as this driver is not a HCA.
> It is an ULP similar to ipoib, built on top of Omni-path irrespective of
> whether we register a h
Ok, I do understand Jason's point that we should probably not put this driver
under drivers/infiniband/sw/.., as this driver is not a HCA.
It is an ULP similar to ipoib, built on top of Omni-path irrespective of
whether we register a hfi_vnic_bus or a direct custom interface with HFI1.
This ULP w
On Mon, Nov 21, 2016 at 05:53:04PM -0800, Vishwanathapura, Niranjana wrote:
> There are many example drivers in kernel which are using bus_register() in
> an initcall.
There really are not, certainly not in major subsystems.
> We could add a custom Interface between HFI1 driver and hfi_vnic drive
On Mon, Nov 21, 2016 at 04:31:18PM -0700, Jason Gunthorpe wrote:
+ ida_init(&hfi_vnic_ctrl_ida);
+ idr_init(&hfi_vnic_idr);
+
+ rc = bus_register(&hfi_vnic_bus);
>>>
>>>Why on earth do we need this? Didn't I give you enough grief for the
>>>psm stuff and now you
On Mon, Nov 21, 2016 at 03:26:29PM -0800, Vishwanathapura, Niranjana wrote:
> I did not see any example IB mad agent outside drivers/inifiniband
> folder.
You can be the first.
> I did see some netdev drivers outside the net/ folder (like ipoib and
> drivers/infiniband/hw/nes/).
It is very rar
On Mon, Nov 21, 2016 at 02:39:30PM -0700, Jason Gunthorpe wrote:
On Mon, Nov 21, 2016 at 01:30:17PM -0800, Vishwanathapura, Niranjana wrote:
On Sat, Nov 19, 2016 at 12:04:45PM -0700, Jason Gunthorpe wrote:
>On Fri, Nov 18, 2016 at 02:42:10PM -0800, Vishwanathapura, Niranjana wrote:
>>+HFI-VNIC D
On Mon, Nov 21, 2016 at 01:30:17PM -0800, Vishwanathapura, Niranjana wrote:
> On Sat, Nov 19, 2016 at 12:04:45PM -0700, Jason Gunthorpe wrote:
> >On Fri, Nov 18, 2016 at 02:42:10PM -0800, Vishwanathapura, Niranjana wrote:
> >>+HFI-VNIC DRIVER
> >>+M: Dennis Dalessandro
> >>+M: Niranjana Vishwanath
On Sat, Nov 19, 2016 at 12:04:45PM -0700, Jason Gunthorpe wrote:
On Fri, Nov 18, 2016 at 02:42:10PM -0800, Vishwanathapura, Niranjana wrote:
+HFI-VNIC DRIVER
+M: Dennis Dalessandro
+M: Niranjana Vishwanathapura
+L: linux-r...@vger.kernel.org
+S: Supported
+F: drivers/infini
On Fri, Nov 18, 2016 at 02:42:10PM -0800, Vishwanathapura, Niranjana wrote:
> +HFI-VNIC DRIVER
> +M: Dennis Dalessandro
> +M: Niranjana Vishwanathapura
> +L: linux-r...@vger.kernel.org
> +S: Supported
> +F: drivers/infiniband/sw/intel/vnic
This is either a net driver or a ULP, no idea
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