Thank you. That confirms my guess. If you can add all those info in readme, that would be great, especially the URL https://qemu.readthedocs.io/en/latest/system/i386/microvm.html, as well as the scope.
I have not reviewed all detail, and I think it is good idea. Acked-by: Jiewen Yao <jiewen....@intel.com> > -----Original Message----- > From: Gerd Hoffmann <kra...@redhat.com> > Sent: Tuesday, August 31, 2021 7:27 PM > To: Yao, Jiewen <jiewen....@intel.com> > Cc: devel@edk2.groups.io; Marc-André Lureau > <marcandre.lur...@redhat.com>; Anthony Perard > <anthony.per...@citrix.com>; Ard Biesheuvel <ardb+tianoc...@kernel.org>; > Justen, Jordan L <jordan.l.jus...@intel.com>; Julien Grall <jul...@xen.org>; > Stefan Berger <stef...@linux.ibm.com> > Subject: Re: [PATCH 00/17] [RFC] OvmfPkg: Add support for microvm machine > type > > On Tue, Aug 31, 2021 at 10:31:31AM +0000, Yao, Jiewen wrote: > > Hi Gerd > > I would like to confirm a couple of things: > > > > -1) Since this is a big new feature, please follow process to submit > > Bugzilla. > > > > 0) I hope we can include a readme file to introduce more background and the > scope of the new project. > > Sure, will do both. > > > 1) What is the device list of microvm? > > It is a minimal virtual machine designed for modern (aka virtio-aware) guests. > Most legacy isa devices (pic, pit, rtc) are optional and can be turned > off. storage/network/etc. uses virtio-mmio. > > Optional pcie support is available and any pcie device supported by qemu > cane plugged in (including virtio-pci if you prefer that over > virtio-mmio). > > > Or do you mean > https://qemu.readthedocs.io/en/latest/system/i386/microvm.html? > > Yes, it's this. > > > 2) How many QEMU configurations do we want to support? > > This series adds just the basics. I want add support for virtio-mmio > and pcie later on, once the basics are sorted and merged. > > > 3) What is the reason to add a new dsc/fdf instead of add a MACRO/PCD in > OVMF? > > microvm borrowed a bunch of ideas from arm virt. So it doesn't work > like a classic pc chipset in many areas. There is no pci config space > access via ioport 0xcf8 for example. Also power management works > completely different (see patch #14). > > Adapting at runtime would need glue code basically switching between > between different *Lib implementations, depending on machine type. > Similar to DxePciLibI440FxQ35 for pci / pcie, but for a bunch of more > places too. > > Xen moved to a separate dsc/fdf too recently, I suspect for simliar > reasons. > > take care, > Gerd -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#80011): https://edk2.groups.io/g/devel/message/80011 Mute This Topic: https://groups.io/mt/85272548/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
