adds vendor and product information for SCSI devices to the json schema
and checks in the VM create/update API call if it is possible to add
these to QEMU as a device option

Signed-off-by: Hannes Duerr <h.du...@proxmox.com>
---
 PVE/API2/Qemu.pm        | 39 +++++++++++++++++++++++++++++++++++++++
 PVE/QemuServer.pm       | 12 ++++++++++++
 PVE/QemuServer/Drive.pm | 24 ++++++++++++++++++++++++
 3 files changed, 75 insertions(+)

diff --git a/PVE/API2/Qemu.pm b/PVE/API2/Qemu.pm
index 9e3cfb5..8808ac5 100644
--- a/PVE/API2/Qemu.pm
+++ b/PVE/API2/Qemu.pm
@@ -696,6 +696,33 @@ my $check_vm_modify_config_perm = sub {
     return 1;
 };
 
+sub assert_scsi_feature_compatibility {
+    my ($opt, $conf, $storecfg, $drive_attributes) = @_;
+
+    my $drive = PVE::QemuServer::Drive::parse_drive($opt, $drive_attributes);
+
+    my $machine_type = PVE::QemuServer::get_vm_machine($conf, undef, 
$conf->{arch});
+    my $machine_version = PVE::QemuServer::Machine::extract_version(
+       $machine_type, PVE::QemuServer::kvm_user_version());
+    my $drivetype = PVE::QemuServer::Drive::get_scsi_devicetype(
+       $drive, $storecfg, $machine_version);
+
+    if ($drivetype ne 'hd' && $drivetype ne 'cd') {
+       if ($drive->{product}) {
+           raise_param_exc({
+               product => "Passing of product information is only supported 
for".
+               "'scsi-hd' and 'scsi-cd' devices (e.g. not pass-through)."
+           });
+       }
+       if ($drive->{vendor}) {
+           raise_param_exc({
+               vendor => "Passing of vendor information is only supported for".
+               "'scsi-hd' and 'scsi-cd' devices (e.g. not pass-through)."
+           });
+       }
+    }
+}
+
 __PACKAGE__->register_method({
     name => 'vmlist',
     path => '',
@@ -1013,6 +1040,13 @@ __PACKAGE__->register_method({
                my $conf = $param;
                my $arch = PVE::QemuServer::get_vm_arch($conf);
 
+
+               for my $opt (sort keys $param->%*) {
+                   next if $opt !~ m/^scsi\d+$/;
+                   assert_scsi_feature_compatibility(
+                       $opt, $conf, $storecfg, $param->{$opt});
+               }
+
                $conf->{meta} = PVE::QemuServer::new_meta_info_string();
 
                my $vollist = [];
@@ -1833,6 +1867,11 @@ my $update_vm_api  = sub {
                    PVE::QemuServer::vmconfig_register_unused_drive($storecfg, 
$vmid, $conf, PVE::QemuServer::parse_drive($opt, $conf->{pending}->{$opt}))
                        if defined($conf->{pending}->{$opt});
 
+                   if ($opt =~ m/^scsi\d+$/) {
+                       assert_scsi_feature_compatibility(
+                           $opt, $conf, $storecfg, $param->{$opt});
+                   }
+
                    my (undef, $created_opts) = $create_disks->(
                        $rpcenv,
                        $authuser,
diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index a6a118b..9ec4591 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -1427,6 +1427,16 @@ sub print_drivedevice_full {
        }
        $device .= ",wwn=$drive->{wwn}" if $drive->{wwn};
 
+       # only scsi-hd and scsi-cd support passing vendor and product 
information
+       if ($devicetype eq 'hd' || $devicetype eq 'cd') {
+           if (my $vendor = $drive->{vendor}) {
+               $device .= ",vendor=$vendor";
+           }
+           if (my $product = $drive->{product}) {
+               $device .= ",product=$product";
+           }
+       }
+
     } elsif ($drive->{interface} eq 'ide' || $drive->{interface} eq 'sata') {
        my $maxdev = ($drive->{interface} eq 'sata') ? 
$PVE::QemuServer::Drive::MAX_SATA_DISKS : 2;
        my $controller = int($drive->{index} / $maxdev);
@@ -5359,8 +5369,10 @@ sub vmconfig_update_disk {
                    safe_string_ne($drive->{discard}, $old_drive->{discard}) ||
                    safe_string_ne($drive->{iothread}, $old_drive->{iothread}) 
||
                    safe_string_ne($drive->{queues}, $old_drive->{queues}) ||
+                   safe_string_ne($drive->{product}, $old_drive->{product}) ||
                    safe_string_ne($drive->{cache}, $old_drive->{cache}) ||
                    safe_string_ne($drive->{ssd}, $old_drive->{ssd}) ||
+                   safe_string_ne($drive->{vendor}, $old_drive->{vendor}) ||
                    safe_string_ne($drive->{ro}, $old_drive->{ro})) {
                    die "skip\n";
                }
diff --git a/PVE/QemuServer/Drive.pm b/PVE/QemuServer/Drive.pm
index 5747356..6064bea 100644
--- a/PVE/QemuServer/Drive.pm
+++ b/PVE/QemuServer/Drive.pm
@@ -163,6 +163,26 @@ my %iothread_fmt = ( iothread => {
        optional => 1,
 });
 
+my %product_fmt = (
+    product => {
+       type => 'string',
+       pattern => '[A-Za-z0-9\-_\s]{,16}',
+       format_description => 'product',
+       description => "The drive's product name, up to 16 bytes long.",
+       optional => 1,
+    },
+);
+
+my %vendor_fmt = (
+    vendor => {
+       type => 'string',
+       pattern => '[A-Za-z0-9\-_\s]{,8}',
+       format_description => 'vendor',
+       description => "The drive's vendor name, up to 8 bytes long.",
+       optional => 1,
+    },
+);
+
 my %model_fmt = (
     model => {
        type => 'string',
@@ -280,10 +300,12 @@ PVE::JSONSchema::register_standard_option("pve-qm-ide", 
$idedesc);
 my $scsi_fmt = {
     %drivedesc_base,
     %iothread_fmt,
+    %product_fmt,
     %queues_fmt,
     %readonly_fmt,
     %scsiblock_fmt,
     %ssd_fmt,
+    %vendor_fmt,
     %wwn_fmt,
 };
 my $scsidesc = {
@@ -404,10 +426,12 @@ my $alldrive_fmt = {
     %drivedesc_base,
     %iothread_fmt,
     %model_fmt,
+    %product_fmt,
     %queues_fmt,
     %readonly_fmt,
     %scsiblock_fmt,
     %ssd_fmt,
+    %vendor_fmt,
     %wwn_fmt,
     %tpmversion_fmt,
     %efitype_fmt,
-- 
2.39.2



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