cfg2cmd test: add tests for multifunction devices

by mocking the lspci call

the mocked lspci code is basically the same as the real one,
only difference is the source of the devices and
there is no verbose flag

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>

test/cfg2cmd/q35-linux-hostpci-multifunction.conf

@@ -0,0 +1,16 @@
+# TEST: Config with q35, NUMA, hostpci passthrough, EFI & Linux
+bios: ovmf
+bootdisk: scsi0
+cores: 1
+efidisk0: local:100/vm-100-disk-1.qcow2,size=128K
+hostpci0: f0:43
+hostpci1: 1234:f0:43
+machine: q35
+memory: 512
+net0: virtio=2E:01:68:F9:9C:87,bridge=vmbr0
+numa: 1
+ostype: l26
+scsihw: virtio-scsi-pci
+smbios1: uuid=3dd750ce-d910-44d0-9493-525c0be4e687
+sockets: 2
+vmgenid: 54d1c06c-8f5b-440f-b5b2-6eab1380e13d

test/cfg2cmd/q35-linux-hostpci-multifunction.conf.cmd

@@ -0,0 +1,34 @@
+/usr/bin/kvm \
+  -id 8006 \
+  -name vm8006 \
+  -chardev 'socket,id=qmp,path=/var/run/qemu-server/8006.qmp,server,nowait' \
+  -mon 'chardev=qmp,mode=control' \
+  -chardev 'socket,id=qmp-event,path=/var/run/qmeventd.sock,reconnect=5' \
+  -mon 'chardev=qmp-event,mode=control' \
+  -pidfile /var/run/qemu-server/8006.pid \
+  -daemonize \
+  -smbios 'type=1,uuid=3dd750ce-d910-44d0-9493-525c0be4e687' \
+  -drive 'if=pflash,unit=0,format=raw,readonly,file=/usr/share/pve-edk2-firmware//OVMF_CODE.fd' \
+  -drive 'if=pflash,unit=1,format=qcow2,id=drive-efidisk0,file=/var/lib/vz/images/100/vm-100-disk-1.qcow2' \
+  -smp '2,sockets=2,cores=1,maxcpus=2' \
+  -nodefaults \
+  -boot 'menu=on,strict=on,reboot-timeout=1000,splash=/usr/share/qemu-server/bootsplash.jpg' \
+  -vnc unix:/var/run/qemu-server/8006.vnc,password \
+  -cpu kvm64,+lahf_lm,+sep,+kvm_pv_unhalt,+kvm_pv_eoi,enforce \
+  -m 512 \
+  -object 'memory-backend-ram,id=ram-node0,size=256M' \
+  -numa 'node,nodeid=0,cpus=0,memdev=ram-node0' \
+  -object 'memory-backend-ram,id=ram-node1,size=256M' \
+  -numa 'node,nodeid=1,cpus=1,memdev=ram-node1' \
+  -device 'vmgenid,guid=54d1c06c-8f5b-440f-b5b2-6eab1380e13d' \
+  -readconfig /usr/share/qemu-server/pve-q35-4.0.cfg \
+  -device 'usb-tablet,id=tablet,bus=ehci.0,port=1' \
+  -device 'vfio-pci,host=0000:f0:43.0,id=hostpci0.0,bus=pci.0,addr=0x10.0,multifunction=on' \
+  -device 'vfio-pci,host=0000:f0:43.1,id=hostpci0.1,bus=pci.0,addr=0x10.1' \
+  -device 'vfio-pci,host=1234:f0:43.1,id=hostpci1,bus=pci.0,addr=0x11' \
+  -device 'VGA,id=vga,bus=pcie.0,addr=0x1' \
+  -device 'virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3' \
+  -iscsi 'initiator-name=iqn.1993-08.org.debian:01:aabbccddeeff' \
+  -netdev 'type=tap,id=net0,ifname=tap8006i0,script=/var/lib/qemu-server/pve-bridge,downscript=/var/lib/qemu-server/pve-bridgedown,vhost=on' \
+  -device 'virtio-net-pci,mac=2E:01:68:F9:9C:87,netdev=net0,bus=pci.0,addr=0x12,id=net0,bootindex=300' \
+  -machine 'type=q35+pve1'

test/run_config2command_tests.pl

@@ -59,6 +59,20 @@ my $base_env = {
     real_qemu_version => PVE::QemuServer::kvm_user_version(), # not yet mocked
 };
 
+my $pci_devs = [
+    "0000:00:43.1",
+    "0000:00:f4.0",
+    "0000:00:ff.1",
+    "0000:0f:f2.0",
+    "0000:d0:13.0",
+    "0000:d0:15.1",
+    "0000:d0:17.0",
+    "0000:f0:42.0",
+    "0000:f0:43.0",
+    "0000:f0:43.1",
+    "1234:f0:43.1",
+];
+
 my $current_test; # = {
 #   description => 'Test description', # if available
 #   qemu_version => '2.12',
@@ -146,6 +160,23 @@ $pve_common_tools->mock(
     },
 );
 
+my $pve_common_sysfstools;
+$pve_common_sysfstools = Test::MockModule->new('PVE::SysFSTools');
+$pve_common_sysfstools->mock(
+    lspci => sub {
+	my ($filter, $verbose) = @_;
+
+	return [
+	    map { { id => $_ } }
+	    grep {
+		!defined($filter)
+		|| (!ref($filter) && $_ =~ m/^(0000:)?\Q$filter\E/)
+		|| (ref($filter) eq 'CODE' && $filter->({ id => $_ }))
+	    } sort @$pci_devs
+	];
+    },
+);
+
 sub diff($$) {
     my ($a, $b) = @_;
     return if $a eq $b;