[pve-devel] [PATCH qemu-server v2 49/49] blockdev: pass along machine version to storage layer

Fiona Ebner f.ebner at proxmox.com
Tue Jul 1 17:41:09 CEST 2025


Signed-off-by: Fiona Ebner <f.ebner at proxmox.com>
---
 src/PVE/QemuServer.pm          |  8 +++++---
 src/PVE/QemuServer/Blockdev.pm | 13 ++++++++-----
 src/PVE/QemuServer/OVMF.pm     |  5 +++--
 3 files changed, 16 insertions(+), 10 deletions(-)

diff --git a/src/PVE/QemuServer.pm b/src/PVE/QemuServer.pm
index d4ad4a25..50352e82 100644
--- a/src/PVE/QemuServer.pm
+++ b/src/PVE/QemuServer.pm
@@ -3258,6 +3258,7 @@ sub config_to_command {
         my $hw_info = {
             'amd-sev-type' => get_amd_sev_type($conf),
             arch => $arch,
+            'machine-version' => $machine_version,
             q35 => $q35,
         };
         my ($ovmf_cmd, $ovmf_machine_flags) = PVE::QemuServer::OVMF::print_ovmf_commandline(
@@ -3654,7 +3655,7 @@ sub config_to_command {
                         if drive_is_read_only($conf, $drive);
 
                     my $blockdev = PVE::QemuServer::Blockdev::generate_drive_blockdev(
-                        $storecfg, $drive, $extra_blockdev_options,
+                        $storecfg, $drive, $machine_version, $extra_blockdev_options,
                     );
                     push @$devices, '-blockdev', to_json($blockdev, { canonical => 1 });
                 }
@@ -7164,8 +7165,9 @@ sub live_import_from_files {
         if (min_version($machine_version, 10, 0)) { # for the switch to -blockdev
             my ($interface, $index) = PVE::QemuServer::Drive::parse_drive_interface($dev);
             my $drive = { file => $volid, interface => $interface, index => $index };
-            my $blockdev =
-                PVE::QemuServer::Blockdev::generate_drive_blockdev($storecfg, $drive, {});
+            my $blockdev = PVE::QemuServer::Blockdev::generate_drive_blockdev(
+                $storecfg, $drive, $machine_version, {},
+            );
             $live_restore_backing->{$dev}->{blockdev} = $blockdev;
         } else {
             $live_restore_backing->{$dev}->{blockdev} =
diff --git a/src/PVE/QemuServer/Blockdev.pm b/src/PVE/QemuServer/Blockdev.pm
index 00749c29..5fc43c1f 100644
--- a/src/PVE/QemuServer/Blockdev.pm
+++ b/src/PVE/QemuServer/Blockdev.pm
@@ -238,7 +238,7 @@ my sub generate_blockdev_drive_cache {
 }
 
 my sub generate_file_blockdev {
-    my ($storecfg, $drive, $options) = @_;
+    my ($storecfg, $drive, $machine_version, $options) = @_;
 
     my $blockdev = {};
     my $scfg = undef;
@@ -282,7 +282,8 @@ my sub generate_file_blockdev {
         $storage_opts->{hints}->{'efi-disk'} = 1 if $drive->{interface} eq 'efidisk';
         $storage_opts->{'snapshot-name'} = $options->{'snapshot-name'}
             if defined($options->{'snapshot-name'});
-        $blockdev = PVE::Storage::qemu_blockdev_options($storecfg, $volid, $storage_opts);
+        $blockdev =
+            PVE::Storage::qemu_blockdev_options($storecfg, $volid, $machine_version, $storage_opts);
         $scfg = PVE::Storage::storage_config($storecfg, $storeid);
     }
 
@@ -360,14 +361,14 @@ my sub generate_format_blockdev {
 }
 
 sub generate_drive_blockdev {
-    my ($storecfg, $drive, $options) = @_;
+    my ($storecfg, $drive, $machine_version, $options) = @_;
 
     my $drive_id = PVE::QemuServer::Drive::get_drive_id($drive);
 
     die "generate_drive_blockdev called without volid/path\n" if !$drive->{file};
     die "generate_drive_blockdev called with 'none'\n" if $drive->{file} eq 'none';
 
-    my $child = generate_file_blockdev($storecfg, $drive, $options);
+    my $child = generate_file_blockdev($storecfg, $drive, $machine_version, $options);
     if (!is_nbd($drive)) {
         $child = generate_format_blockdev($storecfg, $drive, $child, $options);
     }
@@ -477,7 +478,9 @@ state image.
 sub attach {
     my ($storecfg, $vmid, $drive, $options) = @_;
 
-    my $blockdev = generate_drive_blockdev($storecfg, $drive, $options);
+    my $machine_version = PVE::QemuServer::Machine::get_current_qemu_machine($vmid);
+
+    my $blockdev = generate_drive_blockdev($storecfg, $drive, $machine_version, $options);
 
     my $throttle_group_id;
     if (parse_top_node_name($blockdev->{'node-name'})) { # device top nodes need a throttle group
diff --git a/src/PVE/QemuServer/OVMF.pm b/src/PVE/QemuServer/OVMF.pm
index a7239614..aa21c40c 100644
--- a/src/PVE/QemuServer/OVMF.pm
+++ b/src/PVE/QemuServer/OVMF.pm
@@ -147,7 +147,8 @@ sub create_efidisk($$$$$$$$) {
 my sub generate_ovmf_blockdev {
     my ($conf, $storecfg, $vmid, $hw_info) = @_;
 
-    my ($amd_sev_type, $arch, $q35) = $hw_info->@{qw(amd-sev-type arch q35)};
+    my ($amd_sev_type, $arch, $machine_version, $q35) =
+        $hw_info->@{qw(amd-sev-type arch machine-version q35)};
 
     my $drive = $conf->{efidisk0} ? parse_drive('efidisk0', $conf->{efidisk0}) : undef;
 
@@ -190,7 +191,7 @@ my sub generate_ovmf_blockdev {
     my $throttle_group = PVE::QemuServer::Blockdev::generate_throttle_group($drive);
 
     my $ovmf_vars_blockdev = PVE::QemuServer::Blockdev::generate_drive_blockdev(
-        $storecfg, $drive, $extra_blockdev_options,
+        $storecfg, $drive, $machine_version, $extra_blockdev_options,
     );
 
     return ($ovmf_code_blockdev, $ovmf_vars_blockdev, $throttle_group);
-- 
2.47.2





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