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Subject: Re: [pve-devel] [PATCH qemu-server v3 07/10] pci: set
'enable-migration' to on for live-migration marked mapped devices
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Am 19.04.24 um 14:45 schrieb Dominik Csapak:
> the default is 'auto', but for those which are marked as capable for
> live migration, we want to explicitly enable that, so we get an early
> error on start if the driver does not support that.
>
> Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
> ---
> PVE/QemuServer/PCI.pm | 9 ++++++++-
> 1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/PVE/QemuServer/PCI.pm b/PVE/QemuServer/PCI.pm
> index 6ba43ee8..df2ea3eb 100644
> --- a/PVE/QemuServer/PCI.pm
> +++ b/PVE/QemuServer/PCI.pm
> @@ -435,8 +435,11 @@ sub parse_hostpci {
> my $devices = PVE::Mapping::PCI::get_node_mapping($config, $mapping, $node);
> die "PCI device mapping not found for '$mapping'\n" if !$devices || !scalar($devices->@*);
>
> + my $cfg = $config->{ids}->{$mapping};
> + $res->{'live-migration-capable'} = 1 if $cfg->{'live-migration-capable'};
> +
> for my $device ($devices->@*) {
> - eval { PVE::Mapping::PCI::assert_valid($mapping, $device, $config->{ids}->{$mapping}) };
> + eval { PVE::Mapping::PCI::assert_valid($mapping, $device, $cfg) };
This hunk belongs in patch 03/10
> die "PCI device mapping invalid (hardware probably changed): $@\n" if $@;
> push $alternatives->@*, [split(/;/, $device->{path})];
> }
> @@ -635,6 +638,10 @@ sub print_hostpci_devices {
> $devicestr .= ",host=$pcidevice->{id}";
> }
>
> + if ($d->{'live-migration-capable'}) {
> + $devicestr .= ",enable-migration=on"
> + }
> +
> my $mf_addr = $multifunction ? ".$j" : '';
> $devicestr .= ",id=${id}${mf_addr}${pciaddr}${mf_addr}";
>
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