[pve-devel] [PATCH qemu-server v4 08/12] check_local_resources: add more info per mapped device and return as hash

[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>
---
changes from v3:
* sort keys
* move text variable into if branch

 PVE/API2/Qemu.pm   |  2 +-
 PVE/QemuMigrate.pm |  7 ++++---
 PVE/QemuServer.pm  | 17 ++++++++++-------
 3 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/PVE/API2/Qemu.pm b/PVE/API2/Qemu.pm
index 2a1d4d79..65195515 100644
--- a/PVE/API2/Qemu.pm
+++ b/PVE/API2/Qemu.pm
@@ -4538,7 +4538,7 @@ __PACKAGE__->register_method({
 	$res->{local_disks} = [ values %$local_disks ];;
 
 	$res->{local_resources} = $local_resources;
-	$res->{'mapped-resources'} = $mapped_resources;
+	$res->{'mapped-resources'} = [ sort keys $mapped_resources->%* ];
 
 	return $res;
 
diff --git a/PVE/QemuMigrate.pm b/PVE/QemuMigrate.pm
index 4cad14ef..a87e11c0 100644
--- a/PVE/QemuMigrate.pm
+++ b/PVE/QemuMigrate.pm
@@ -236,7 +236,7 @@ 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, $mapped_res->@*)) {
+	if (!defined($mapped_res->{$res})) {
 	    push $blocking_resources->@*, $res;
 	}
     }
@@ -248,10 +248,11 @@ sub prepare {
 	}
     }
 
-    if (scalar($mapped_res->@*)) {
+    if (scalar(keys $mapped_res->%*)) {
 	my $missing_mappings = $missing_mappings_by_node->{$self->{node}};
 	if ($running) {
-	    die "can't migrate running VM which uses mapped devices: " . join(", ", $mapped_res->@*) . "\n";
+	    my $mapped_text = join(", ", sort keys $mapped_res->%*);
+	    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(", ", $missing_mappings->@*) . "\n";
 	} else {
diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index 2d583ddf..5275d7a4 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -2562,7 +2562,7 @@ sub check_local_resources {
     my ($conf, $noerr) = @_;
 
     my @loc_res = ();
-    my $mapped_res = [];
+    my $mapped_res = {};
 
     my $nodelist = PVE::Cluster::get_nodelist();
     my $pci_map = PVE::Mapping::PCI::config();
@@ -2594,16 +2594,19 @@ sub check_local_resources {
 	if ($k =~ m/^usb/) {
 	    my $entry = parse_property_string('pve-qm-usb', $conf->{$k});
 	    next if $entry->{host} && $entry->{host} =~ m/^spice$/i;
-	    if ($entry->{mapping}) {
-		$add_missing_mapping->('usb', $k, $entry->{mapping});
-		push @$mapped_res, $k;
+	    if (my $name = $entry->{mapping}) {
+		$add_missing_mapping->('usb', $k, $name);
+		$mapped_res->{$k} = { name => $name };
 	    }
 	}
 	if ($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 = { name => $name };
+		$mapped_device->{'live-migration'} = 1
+		    if $pci_map->{ids}->{$name}->{'live-migration-capable'};
+		$mapped_res->{$k} = $mapped_device;
 	    }
 	}
 	# sockets are safe: they will recreated be on the target side post-migrate
-- 
2.39.2



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