[pve-devel] [PATCH qemu-server v4 07/12] pci: set 'enable-migration' to on for live-migration marked mapped devices

Dominik Csapak d.csapak at proxmox.com
Thu Jun 6 11:22:08 CEST 2024


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 at proxmox.com>
---
no changes
 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) };
 	    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}";
 
-- 
2.39.2





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