Re: PCI Endpoint - Missing inbound mapping ops ?

From: Ramon Fried
Date: Tue Aug 14 2018 - 09:28:39 EST


On Tue, Aug 14, 2018 at 1:53 PM Kishon Vijay Abraham I <kishon@xxxxxx> wrote:
>
> Hi,
>
> On Tuesday 14 August 2018 06:19 PM, Ramon Fried wrote:
> > 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.
>
> pci_epc_set_bar() is used for mapping BAR.
Thanks Kishon.
what about address mapping ? Synopsys has this functionality if I
recall correctly.

>
> Thanks
> Kishon