Re: Hot-Plug PCIe Support

On Tuesday, January 26, 2016 11:33:08 PM Warner Losh wrote:
> It's mostly done, but needs a careful review by PCI domain experts. I've
> been doing it a little at a time, but have been crunched for time.  Since
> $DAYJOB doesn't care about hot plug, it's a lower priority than all the
> things related or semi-related to it.

As I noted in the review on phabricator, it needs to be rearranged.  It
currently puts a bunch of code in the PCI bus that instead belongs in the
PCI-PCI bridge (all the interrupt handling, MSI, etc. are properties of the
bridge and should be handled in their rather than magic fields in the
pci_dinfo of the bridge in the parent PCI bus).  It is not a lot of code and
probably wouldn't take long to finish.  I had been waiting to let jmg_at_ finish
it.

https://reviews.freebsd.org/D3932

> Warner
> 
> 
> On Tue, Jan 26, 2016 at 6:58 PM, Adrian Chadd <adrian.chadd_at_gmail.com>
> wrote:
> 
> > please grab the pciehp work that jmg has done and push it along to
> > completion. Pretty please in fact.
> >
> >
> > -a
> >
> >
> > On 26 January 2016 at 14:28, Eric van Gyzen <vangyzen_at_freebsd.org> wrote:
> > > FreeBSD Folks:
> > >
> > > I am currently scoping the effort to add hot-plug PCIe support to
> > > FreeBSD.  Is anyone else currently working on this or aware of any
> > > design, code, or other effort available outside the tree?
> > >
> > > FYI, here are perhaps the most interesting references I could find:
> > >
> > > https://wiki.freebsd.org/PCIHotplug
> > >
> > >
> > https://wiki.freebsd.org/IdeasPage#Implementing_PCI-Hotplug_and_ExpressCard_support
> > >
> > >
> > https://lists.freebsd.org/pipermail/freebsd-current/2015-April/055290.html
> > >
> > > https://lists.freebsd.org/pipermail/freebsd-ia32/2010-February/date.html
> > >
> > > Please reply on freebsd-hackers_at_FreeBSD.org to minimize cross-posting.
> > >
> > > Thanks in advance.
> > >
> > > Eric
> > > _______________________________________________
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-- 
John Baldwin