On Wed, Mar 30, 2022 at 04:59:13PM -0700, ira.weiny@xxxxxxxxx wrote: > From: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> > > 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.
