On 18.06.20 16:36, Stefan Reiter wrote: > Legacy IGD passthrough requires address 00:1f.0 to not be assigned to > anything on QEMU startup (currently it's assigned to bridge pci.2). > Changing this in general would break live-migration, so introduce a new > hostpci parameter "legacy-igd", which if set to 1 will move that bridge > to be nested under bridge 1. > > This is safe because: > * Bridge 1 is unconditionally created on i440fx, so nesting is ok > * Defaults are not changed, i.e. PCI layout only changes when the new > parameter is specified manually > * hostpci forbids migration anyway > > Additionally, the PT device has to be assigned address 00:02.0 in the > guest as well, which is usually used for VGA assignment. Luckily, IGD PT > requires vga=none, so that is not an issue either. > > See https://git.qemu.org/?p=qemu.git;a=blob;f=docs/igd-assign.txt > > Signed-off-by: Stefan Reiter <s.rei...@proxmox.com> > --- > PVE/QemuServer.pm | 10 ++++++++-- > PVE/QemuServer/PCI.pm | 45 +++++++++++++++++++++++++++++++++++++------ > 2 files changed, 47 insertions(+), 8 deletions(-) > >
applied, thanks! Fixed up some formatting and general indentation issues in that file. _______________________________________________ pve-devel mailing list pve-devel@pve.proxmox.com https://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-devel
