Re: [PATCH v3 10/21] PCI/TSM: Rename pf0 to host

[Jonathan Cameron]

On Fri, 11 Sep 2026 15:00:59 +1000
Alistair <alistair@xxxxxxxxxxxxx> wrote:

> On Wed, 2026-09-09 at 00:01 +0100, Jonathan Cameron wrote:
> > On Tue,  1 Sep 2026 11:03:36 +1000
> > alistair23@xxxxxxxxx wrote:
> >   
> > > From: Alistair Francis <alistair.francis@xxxxxxx>
> > > 
> > > Rename pci_tsm_pf0 to pci_tsm_host (and rename variables and
> > > function
> > > names from pf0 to host) as part of converting pci_tsm_host
> > > to be any device that knows how to speak any of CMA, IDE, or
> > > TDISP.  
> > 
> > I'm not against the change, but I would like at least one example of
> > 'what' other type of device you plan to use this for.
> > 
> > vf or something else?  
> 
> It's based on the reply here: https://lkml.org/lkml/2026/6/18/1741
> 
> I don't know PCIe that well, so honestly I'm not sure.

Yeah, that's about both VFs and other physical functions.
Those can exist on both real EPs and RCiEPs.

> 
> My use case is a root complex integrated endpoint

Any more info to share on that? Why isn't it attested etc as
part of the host given it's integrated? Or is SPDM a path to
something other than simple attestation here?  Fine to do it this
way, just seems like overkill so I'm curious what the application
is.

Jonathan