PCI Endpoint - Missing inbound mapping ops ?

From: Ramon Fried
Date: Tue Aug 14 2018 - 09:28:37 EST


Hi.
I recently saw that the PCI endpoint API only supports outbound memory
mapping: (AXI -> PCI) through the map_addr op.
Why inbound mapping is missing (PCI->AXI) is missing ?
In almost all of the PCI EP controllers I've worked with there was a
need to map complete BARS or part of BARS to mmio/aperature regions on
the device.

Thanks !
Ramon.