config: add S3/S4 power state properties to machine option

So users can disable them, as they're enabled by default in QEMU.

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
Reviewed-by: Fiona Ebner <f.ebner@proxmox.com>
Reviewed-by: Stoiko Ivanov <s.ivanov@proxmox.com>
Tested-By: Stoiko Ivanov <s.ivanov@proxmox.com>
Link: https://lore.proxmox.com/20250404125345.3244659-6-d.csapak@proxmox.com
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
This commit is contained in:
Dominik Csapak 2025-04-04 14:53:41 +02:00 committed by Thomas Lamprecht
parent 1d4da507b3
commit 80ddee39a5
2 changed files with 38 additions and 0 deletions

View File

@ -3965,6 +3965,8 @@ sub config_to_command {
if (!$kvm) {
push @$machineFlags, 'accel=tcg';
}
my $power_state_flags = PVE::QemuServer::Machine::get_power_state_flags($machine_conf);
push $cmd->@*, $power_state_flags->@* if defined($power_state_flags);
push @$machineFlags, 'smm=off' if should_disable_smm($conf, $vga, $machine_type);

View File

@ -31,6 +31,16 @@ my $machine_fmt = {
enum => ['intel', 'virtio'],
optional => 1,
},
'enable-s3' => {
type => 'boolean',
description => "Enables S3 power state. Defaults to true.",
optional => 1,
},
'enable-s4' => {
type => 'boolean',
description => "Enables S4 power state. Defaults to true.",
optional => 1,
},
};
PVE::JSONSchema::register_format('pve-qemu-machine-fmt', $machine_fmt);
@ -284,4 +294,30 @@ sub check_and_pin_machine_string {
return print_machine($machine_conf);
}
# returns an arrayref of cmdline options for qemu or undef
sub get_power_state_flags {
my ($machine_conf) = @_;
my $object = $machine_conf->{type} && ($machine_conf->{type} =~ m/q35/) ? "ICH9-LPC" : "PIIX4_PM";
my $s3 = $machine_conf->{'enable-s3'} // 1;
my $s4 = $machine_conf->{'enable-s4'} // 1;
my $options = [];
# they're enabled by default in QEMU, so only add the flags to disable them
if (!$s3) {
push $options->@*, '-global', "${object}.disable_s3=1";
}
if (!$s4) {
push $options->@*, '-global', "${object}.disable_s4=1";
}
if (scalar($options->@*)) {
return $options;
}
return;
}
1;