[pve-devel] [PATCH qemu-server 3/4] check_local_resources: add more info per mapped device

[Dominik Csapak <d.csapak@proxmox.com>]

such as the mapping name and if it's marked for live-migration (pci only)

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
---
 PVE/API2/Qemu.pm   |  2 +-
 PVE/QemuMigrate.pm |  5 +++--
 PVE/QemuServer.pm  | 10 ++++++----
 3 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/PVE/API2/Qemu.pm b/PVE/API2/Qemu.pm
index 497987ff..4ecaeb91 100644
--- a/PVE/API2/Qemu.pm
+++ b/PVE/API2/Qemu.pm
@@ -4516,7 +4516,7 @@ __PACKAGE__->register_method({
 	$res->{local_disks} = [ values %$local_disks ];;
 
 	$res->{local_resources} = $local_resources;
-	$res->{'mapped-resources'} = $mapped_resources;
+	$res->{'mapped-resources'} =  [ map { "$_->{key}" } $mapped_resources->@* ];
 
 	return $res;
 
diff --git a/PVE/QemuMigrate.pm b/PVE/QemuMigrate.pm
index 8d9b35ae..6fe8157d 100644
--- a/PVE/QemuMigrate.pm
+++ b/PVE/QemuMigrate.pm
@@ -232,7 +232,7 @@ sub prepare {
     my ($loc_res, $mapped_res, $missing_mappings_by_node) = PVE::QemuServer::check_local_resources($conf, 1);
     my $blocking_resources = [];
     for my $res ($loc_res->@*) {
-	if (!grep($res, $mapped_res->@*)) {
+	if (!grep { $_->{key} eq $res } $mapped_res->@*) {
 	    push $blocking_resources->@*, $res;
 	}
     }
@@ -246,8 +246,9 @@ sub prepare {
 
     if (scalar($mapped_res->@*)) {
 	my $missing_mappings = $missing_mappings_by_node->{$self->{node}};
+	my $mapped_text = join(", ", map { $_->{key} } $mapped_res->@*);
 	if ($running) {
-	    die "can't migrate running VM which uses mapped devices: " . join(", ", $mapped_res->@*) . "\n";
+	    die "can't migrate running VM which uses mapped devices: " . $mapped_text . "\n";
 	} elsif (scalar($missing_mappings->@*)) {
 	    die "can't migrate to '$self->{node}': missing mapped devices " . join(", ", $missing_mappings->@*) . "\n";
 	} else {
diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index 6e2c8052..ef3aee20 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -2600,14 +2600,16 @@ sub check_local_resources {
 	    next if $entry->{host} && $entry->{host} =~ m/^spice$/i;
 	    if ($entry->{mapping}) {
 		$add_missing_mapping->('usb', $k, $entry->{mapping});
-		push @$mapped_res, $k;
+		push @$mapped_res, { key => $k, device => $entry->{mapping} };
 	    }
 	}
 	if ($k =~ m/^hostpci/) {
 	    my $entry = parse_property_string('pve-qm-hostpci', $conf->{$k});
-	    if ($entry->{mapping}) {
-		$add_missing_mapping->('pci', $k, $entry->{mapping});
-		push @$mapped_res, $k;
+	    if (my $name = $entry->{mapping}) {
+		$add_missing_mapping->('pci', $k, $name);
+		my $mapped_device = { key => $k, device => $name };
+		$mapped_device->{'live-migration'} = 1 if $pci_map->{ids}->{$name}->{'live-migration-capable'};
+		push @$mapped_res, $mapped_device;
 	    }
 	}
 	# sockets are safe: they will recreated be on the target side post-migrate
-- 
2.39.2