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allow to use a socket for serial devices

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This commit is contained in:
Dietmar Maurer 2013-07-31 06:58:26 +02:00
parent cf48d63496
commit 9f9d2fb261
1 changed files with 11 additions and 5 deletions
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16
PVE/QemuServer.pm
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@ -574,9 +574,9 @@ PVE::JSONSchema::register_standard_option("pve-qm-hostpci", $hostpcidesc);
my $serialdesc = {
optional => 1,
type => 'string',
pattern => '/dev/ttyS\d+',
pattern => '(/dev/ttyS\d+|socket)',
description => <<EODESCR,
Map host serial devices (n is 0 to 3).
Create a serial device inside the VM (n is 0 to 3), and pass through a host serial device, or create a unix socket on the host side (use 'qm terminal' to open a terminal connection).
Note: This option allows direct access to host hardware. So it is no longer possible to migrate such machines - use with special care.
@ -2336,9 +2336,15 @@ sub config_to_command {
# serial devices
for (my $i = 0; $i < $MAX_SERIAL_PORTS; $i++) {
if (my $path = $conf->{"serial$i"}) {
die "no such serial device\n" if ! -c $path;
push @$devices, '-chardev', "tty,id=serial$i,path=$path";
push @$devices, '-device', "isa-serial,chardev=serial$i";
if ($path eq 'socket') {
my $socket = "/var/run/qemu-server/${vmid}.serial$i";
push @$devices, '-chardev', "socket,id=serial$i,path=$socket,server,nowait";
push @$devices, '-device', "isa-serial,chardev=serial$i";
} else {
die "no such serial device\n" if ! -c $path;
push @$devices, '-chardev', "tty,id=serial$i,path=$path";
push @$devices, '-device', "isa-serial,chardev=serial$i";
}
}
}