This is meant to hold custom OVMF code files. It is stored in the
efi-firmware/ subdirectory of the storage path. There is no restriction
on the file name. But stick with the safe character set, basically for
safety reasons.

Signed-off-by: Christian Ludwig <christian_ludwig@genua.de>
---
 src/PVE/Storage/Plugin.pm | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/PVE/Storage/Plugin.pm b/src/PVE/Storage/Plugin.pm
index 4f69f9b..f6ca140 100644
--- a/src/PVE/Storage/Plugin.pm
+++ b/src/PVE/Storage/Plugin.pm
@@ -372,7 +372,7 @@ PVE::JSONSchema::register_format('pve-storage-content', \&verify_content);
 sub verify_content {
     my ($ct, $noerr) = @_;
 
-    return $ct if $ct eq 'import';
+    return $ct if $ct eq 'import' || $ct eq 'efi-firmware';
 
     my $valid_content = valid_content_types('dir'); # dir includes all other types
 
@@ -831,6 +831,8 @@ sub parse_volname {
         m!^import/(${PVE::Storage::SAFE_CHAR_WITH_WHITESPACE_CLASS_RE}+$PVE::Storage::IMPORT_EXT_RE_1)$!
     ) {
         return ('import', $1, undef, undef, undef, undef, $2);
+    } elsif ($volname =~ m!^efi-firmware/(${PVE::Storage::SAFE_CHAR_CLASS_RE}+)$!) {
+        return ('efi-firmware', $1, undef, undef, undef, undef, 'raw');
     }
 
     die "unable to parse directory volume name '$volname'\n";
@@ -844,6 +846,7 @@ my $vtype_subdirs = {
     backup => 'dump',
     snippets => 'snippets',
     import => 'import',
+    'efi-firmware' => 'efi-firmware',
 };
 
 sub get_vtype_subdirs {
@@ -1753,6 +1756,10 @@ my $get_subdir_files = sub {
                 m!/(${PVE::Storage::SAFE_CHAR_CLASS_RE}+$PVE::Storage::IMPORT_EXT_RE_1)$!i;
 
             $info = { volid => "$sid:import/$1", format => "$2" };
+        } elsif ($tt eq 'efi-firmware') {
+            next if $fn !~ m!/(${PVE::Storage::SAFE_CHAR_CLASS_RE}+)$!i;
+
+            $info = { volid => "$sid:efi-firmware/$1", format => 'raw' };
         }
 
         $info->{size} = $st->size;
@@ -1789,6 +1796,8 @@ sub list_volumes {
                 $data = $get_subdir_files->($storeid, $path, 'snippets');
             } elsif ($type eq 'import') {
                 $data = $get_subdir_files->($storeid, $path, 'import');
+            } elsif ($type eq 'efi-firmware' && !defined($vmid)) {
+                $data = $get_subdir_files->($storeid, $path, 'efi-firmware');
             }
         }
 
-- 
2.34.1