use PVE::Tools qw(file_read_firstline dir_glob_foreach);
my $pcisysfs = "/sys/bus/pci";
-my $pciregex = "([a-f0-9]{4}):([a-f0-9]{2}):([a-f0-9]{2})\.([a-f0-9])";
+my $domainregex = "[a-f0-9]{4,}";
+my $pciregex = "($domainregex):([a-f0-9]{2}):([a-f0-9]{2})\.([a-f0-9])";
my $parse_pci_ids = sub {
my $ids = {};
return $ids;
};
+my sub normalize_pci_id {
+ my ($id) = @_;
+ $id = "0000:$id" if $id !~ m/^${domainregex}:/;
+ return $id;
+};
+
# returns a list of pci devices
#
# filter is either a string (then it tries to match to the id)
sub get_mdev_types {
my ($id) = @_;
- my $fullid = $id;
- if ($id !~ m/^[0-9a-fA-f]{4}:/) {
- $fullid = "0000:$id";
- }
+ $id = normalize_pci_id($id);
my $types = [];
- my $mdev_path = "$pcisysfs/devices/$fullid/mdev_supported_types";
+ my $mdev_path = "$pcisysfs/devices/$id/mdev_supported_types";
if (!-d $mdev_path) {
return $types;
}
my $available = int(file_read_firstline("$type_path/available_instances"));
my $description = PVE::Tools::file_get_contents("$type_path/description");
- push @$types, {
+ my $entry = {
type => $type,
description => $description,
available => $available,
};
+
+ my $name = file_read_firstline("$type_path/name");
+ $entry->{name} = $name if defined($name);
+
+ push @$types, $entry;
});
return $types;
}
die "Cannot find vfio-pci module!\n" if !-d $vfio_basedir;
- $pciid = "0000:$pciid" if $pciid !~ m/^[0-9a-f]{4}:/;
+ $pciid = normalize_pci_id($pciid);
# get IOMMU group devices
opendir(my $D, "$pcisysfs/devices/$pciid/iommu_group/devices/") || die "Cannot open iommu_group: $!\n";
- my @devs = grep /^[0-9a-f]{4}:/, readdir($D);
+ my @devs = grep /^${domainregex}:/, readdir($D);
closedir($D);
foreach my $pciid (@devs) {
sub pci_create_mdev_device {
my ($pciid, $uuid, $type) = @_;
- $pciid = "0000:$pciid" if $pciid !~ m/^[0-9a-f]{4}:/;
+ $pciid = normalize_pci_id($pciid);
my $basedir = "$pcisysfs/devices/$pciid";
my $mdev_dir = "$basedir/mdev_supported_types";
return undef;
}
-sub pci_cleanup_mdev_device {
- my ($pciid, $uuid) = @_;
-
- $pciid = "0000:$pciid" if $pciid !~ m/^[0-9a-f]{4}:/;
-
- my $basedir = "$pcisysfs/devices/$pciid/$uuid";
-
- if (! -e $basedir) {
- return 1; # no cleanup necessary if it does not exist
- }
-
- return file_write("$basedir/remove", "1");
-}
-
# encode the hostpci index and vmid into the uuid
sub generate_mdev_uuid {
my ($vmid, $index) = @_;