> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Gerd
> Hoffmann
> Sent: Tuesday, April 12, 2022 5:04 PM
> To: devel@edk2.groups.io; Chang, Abner (HPS SW/FW Technologist)
> <abner.ch...@hpe.com>
> Cc: Leif Lindholm <quic_llind...@quicinc.com>; Ard Biesheuvel
> <ardb+tianoc...@kernel.org>; Jordan Justen <jordan.l.jus...@intel.com>;
> Jian J Wang <jian.j.w...@intel.com>; Ray Ni <ray...@intel.com>; Hao A Wu
> <hao.a...@intel.com>; Jiewen Yao <jiewen....@intel.com>; Liming Gao
> <gaolim...@byosoft.com.cn>; Pawel Polawski <ppola...@redhat.com>;
> Oliver Steffen <ostef...@redhat.com>
> Subject: Re: [edk2-devel] [PATCH v3 2/6] OvmfPkg/FdtPciHostBridgeLib: io
> range is not mandatory
>
> Hi,
>
> > > - Io.Base = IoBase;
> > > - Io.Limit = IoBase + IoSize - 1;
> > > + if (IoSize) {
> > > + Io.Base = IoBase;
> > > + Io.Limit = IoBase + IoSize - 1;
> > > + } else {
> > > + Io.Base = MAX_UINT64;
> > > + Io.Limit = 0;
> > HI Gerd,
> > Does the consumer of Io (in PCI_ROOT_BRIDGE structure) know that the
> MAX_UINT64 for Io.Base refers to no memory map I/O?
>
> Patch #1 handles that.
Ok, I had my comment in the response to patch #1.
Thanks
Abner
>
> take care,
> Gerd
>
>
>
>
>
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