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SubjectRe: [PATCH V7 03/10] PCI: Create PCI library functions in support of DOE mailboxes.
On Wed, Mar 30, 2022 at 10:50:31PM -0700, Christoph Hellwig wrote:
> On Wed, Mar 30, 2022 at 04:59:13PM -0700, ira.weiny@intel.com wrote:
> > From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> >
> > Introduced in a PCI v6.0[1], DOE provides a config space based mailbox
> > with standard protocol discovery. Each mailbox is accessed through a
> > DOE Extended Capability.
> >
> > Each DOE mailbox must support the DOE discovery protocol in addition to
> > any number of additional protocols.
> >
> > Define core PCI functionality to manage a single PCI DOE mailbox at a
> > defined config space offset. Functionality includes creating, supported
> > protocol queries, submit tasks to, and destroying the new state objects.
> >
> > If interrupts are desired, interrupts vectors should be allocated prior
> > to asking for irq's when creating a mailbox object.
>
> I really don't think this should be built unconditionally and bloat
> every single kernel built with PCI support.

I can add a Kconfig.

Thanks for looking,
Ira

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