On Mon, Mar 29, 2021 at 4:32 PM Boqun Feng wrote:
>
> Hi Arnd,
>
> On Sat, Mar 20, 2021 at 05:09:10PM +0100, Arnd Bergmann wrote:
> > On Sat, Mar 20, 2021 at 1:54 PM Arnd Bergmann wrote:
> > > I actually still have a (not really tested) patch series to clean up
> > > the pci host bridge
Hi Arnd,
On Sat, Mar 20, 2021 at 05:09:10PM +0100, Arnd Bergmann wrote:
> On Sat, Mar 20, 2021 at 1:54 PM Arnd Bergmann wrote:
> > I actually still have a (not really tested) patch series to clean up
> > the pci host bridge registration, and this should make this a lot easier
> > to add on
On Sat, 20 Mar 2021 14:24:06 +,
Arnd Bergmann wrote:
>
> On Sat, Mar 20, 2021 at 2:23 PM Marc Zyngier wrote:
> >
> > On Sat, 20 Mar 2021 13:03:13 +,
> > Arnd Bergmann wrote:
> > >
> > > On Sat, Mar 20, 2021 at 1:54 PM Marc Zyngier wrote:
> > > > On Fri, 19 Mar 2021 21:12:46 +,
> >
On Sat, Mar 20, 2021 at 1:54 PM Arnd Bergmann wrote:
> I actually still have a (not really tested) patch series to clean up
> the pci host bridge registration, and this should make this a lot easier
> to add on top.
>
> I should dig that out of my backlog and post for review.
I've uploaded
On Sat, Mar 20, 2021 at 2:23 PM Marc Zyngier wrote:
>
> On Sat, 20 Mar 2021 13:03:13 +,
> Arnd Bergmann wrote:
> >
> > On Sat, Mar 20, 2021 at 1:54 PM Marc Zyngier wrote:
> > > On Fri, 19 Mar 2021 21:12:46 +,
> > >
> > > Having an optional callback to host bridges to obtain the MSI
On Sat, 20 Mar 2021 13:03:13 +,
Arnd Bergmann wrote:
>
> On Sat, Mar 20, 2021 at 1:54 PM Marc Zyngier wrote:
> > On Fri, 19 Mar 2021 21:12:46 +,
>
> > >
> > > Ugh. pci_root_bus_fwnode() is another callback to find the
> > > irq_domain. Only one call, from
On Sat, Mar 20, 2021 at 1:54 PM Marc Zyngier wrote:
> On Fri, 19 Mar 2021 21:12:46 +,
> >
> > Ugh. pci_root_bus_fwnode() is another callback to find the
> > irq_domain. Only one call, from pci_host_bridge_msi_domain(), which
> > itself is only called from pci_set_bus_msi_domain(). This
On Fri, Mar 19, 2021 at 10:14 PM Bjorn Helgaas wrote:
> > However, for a virtualized PCI bus, there might be no enough data in of
> > or acpi table to create a pci_config_window. This is similar to the case
> > where CONFIG_PCI_DOMAINS_GENERIC=n, IOW, architectures use their own
> > structure for
Thanks Bjorn for looping me in.
On Fri, 19 Mar 2021 21:12:46 +,
Bjorn Helgaas wrote:
>
> [+cc Arnd (author of 37d6a0a6f470 ("PCI: Add
> pci_register_host_bridge() interface"), which I think would make my
> idea below possible), Marc (IRQ domains maintainer)]
>
> On Sat, Mar 20, 2021 at
On Fri, Mar 19, 2021 at 5:22 PM Boqun Feng wrote:
>
> Currently, if an architecture selects CONFIG_PCI_DOMAINS_GENERIC, the
> ->sysdata in bus and bridge will be treated as struct pci_config_window,
> which is created by generic ECAM using the data from acpi.
>
> However, for a virtualized PCI
[+cc Arnd (author of 37d6a0a6f470 ("PCI: Add
pci_register_host_bridge() interface"), which I think would make my
idea below possible), Marc (IRQ domains maintainer)]
On Sat, Mar 20, 2021 at 12:19:55AM +0800, Boqun Feng wrote:
> Currently, if an architecture selects CONFIG_PCI_DOMAINS_GENERIC, the
Currently, if an architecture selects CONFIG_PCI_DOMAINS_GENERIC, the
->sysdata in bus and bridge will be treated as struct pci_config_window,
which is created by generic ECAM using the data from acpi.
However, for a virtualized PCI bus, there might be no enough data in of
or acpi table to create
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