[pve-devel] [PATCH qemu-server v4 6/6] add test for mapped pci devices

Dominik Csapak d.csapak at proxmox.com
Thu May 25 12:17:51 CEST 2023


Signed-off-by: Dominik Csapak <d.csapak at proxmox.com>
---
 test/cfg2cmd/q35-linux-hostpci-mapping.conf   | 17 ++++
 .../q35-linux-hostpci-mapping.conf.cmd        | 36 ++++++++
 test/run_config2command_tests.pl              | 82 +++++++++++++++++++
 3 files changed, 135 insertions(+)
 create mode 100644 test/cfg2cmd/q35-linux-hostpci-mapping.conf
 create mode 100644 test/cfg2cmd/q35-linux-hostpci-mapping.conf.cmd

diff --git a/test/cfg2cmd/q35-linux-hostpci-mapping.conf b/test/cfg2cmd/q35-linux-hostpci-mapping.conf
new file mode 100644
index 00000000..2402cf2a
--- /dev/null
+++ b/test/cfg2cmd/q35-linux-hostpci-mapping.conf
@@ -0,0 +1,17 @@
+# TEST: Config with q35, NUMA, hostpci mapping passthrough, EFI & Linux
+bios: ovmf
+bootdisk: scsi0
+cores: 1
+efidisk0: local:100/vm-100-disk-1.qcow2,size=128K
+hostpci0: someNic
+hostpci1: someGpu,mdev=some-model
+hostpci2: someNic
+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
diff --git a/test/cfg2cmd/q35-linux-hostpci-mapping.conf.cmd b/test/cfg2cmd/q35-linux-hostpci-mapping.conf.cmd
new file mode 100644
index 00000000..814a9021
--- /dev/null
+++ b/test/cfg2cmd/q35-linux-hostpci-mapping.conf.cmd
@@ -0,0 +1,36 @@
+/usr/bin/kvm \
+  -id 8006 \
+  -name 'vm8006,debug-threads=on' \
+  -no-shutdown \
+  -chardev 'socket,id=qmp,path=/var/run/qemu-server/8006.qmp,server=on,wait=off' \
+  -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=on,file=/usr/share/pve-edk2-firmware//OVMF_CODE.fd' \
+  -drive 'if=pflash,unit=1,id=drive-efidisk0,format=qcow2,file=/var/lib/vz/images/100/vm-100-disk-1.qcow2' \
+  -global 'ICH9-LPC.acpi-pci-hotplug-with-bridge-support=off' \
+  -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=on' \
+  -cpu kvm64,enforce,+kvm_pv_eoi,+kvm_pv_unhalt,+lahf_lm,+sep \
+  -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' \
+  -readconfig /usr/share/qemu-server/pve-q35-4.0.cfg \
+  -device 'vmgenid,guid=54d1c06c-8f5b-440f-b5b2-6eab1380e13d' \
+  -device 'usb-tablet,id=tablet,bus=ehci.0,port=1' \
+  -device 'vfio-pci,host=0000:07:10.0,id=hostpci0,bus=pci.0,addr=0x10' \
+  -device 'vfio-pci,sysfsdev=/sys/bus/mdev/devices/00000001-0000-0000-0000-000000008006,id=hostpci1,bus=pci.0,addr=0x11' \
+  -device 'vfio-pci,host=0000:07:10.4,id=hostpci2,bus=pci.0,addr=0x1b' \
+  -device 'VGA,id=vga,bus=pcie.0,addr=0x1' \
+  -device 'virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3,free-page-reporting=on' \
+  -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,rx_queue_size=1024,tx_queue_size=1024,bootindex=300' \
+  -machine 'type=q35+pve0'
diff --git a/test/run_config2command_tests.pl b/test/run_config2command_tests.pl
index dda44d99..eaea9047 100755
--- a/test/run_config2command_tests.pl
+++ b/test/run_config2command_tests.pl
@@ -87,8 +87,37 @@ my $pci_devs = [
     "0000:f0:43.0",
     "0000:f0:43.1",
     "1234:f0:43.1",
+    "0000:01:00.4",
+    "0000:01:00.5",
+    "0000:01:00.6",
+    "0000:07:10.0",
+    "0000:07:10.1",
+    "0000:07:10.4",
 ];
 
+my $pci_map_config = {
+    ids => {
+	someGpu => {
+	    type => 'pci',
+	    map => [
+		'node=localhost,path=0000:01:00.4,id=10de:2231,iommugroup=1',
+		'node=localhost,path=0000:01:00.5,id=10de:2231,iommugroup=1',
+		'node=localhost,path=0000:01:00.6,id=10de:2231,iommugroup=1',
+	    ],
+	},
+	someNic => {
+	    type => 'pci',
+	    map => [
+		'node=localhost,path=0000:07:10.0,id=8086:1520,iommugroup=2',
+		'node=localhost,path=0000:07:10.1,id=8086:1520,iommugroup=2',
+		'node=localhost,path=0000:07:10.4,id=8086:1520,iommugroup=2',
+	    ],
+	},
+    },
+};
+
+my $usb_map_config = {},
+
 my $current_test; # = {
 #   description => 'Test description', # if available
 #   qemu_version => '2.12',
@@ -275,6 +304,28 @@ $pve_common_sysfstools->mock(
 	    } sort @$pci_devs
 	];
     },
+    pci_device_info => sub {
+	my ($path, $noerr) = @_;
+
+	if ($path =~ m/^0000:01:00/) {
+	    return {
+		mdev => 1,
+		iommugroup => 1,
+		mdev => 1,
+		vendor => "0x10de",
+		device => "0x2231",
+	    };
+	} elsif ($path =~ m/^0000:07:10/) {
+	    return {
+		iommugroup => 2,
+		mdev => 0,
+		vendor => "0x8086",
+		device => "0x1520",
+	    };
+	} else {
+	    return {};
+	}
+    },
 );
 
 my $qemu_monitor_module;
@@ -303,6 +354,37 @@ $qemu_monitor_module->mock(
 );
 $qemu_monitor_module->mock('qmp_cmd', \&qmp_cmd);
 
+my $resource_usb_module = Test::MockModule->new("PVE::Resource::USB");
+$resource_usb_module->mock(
+    config => sub {
+	return $usb_map_config;
+    },
+);
+
+my $resource_pci_module = Test::MockModule->new("PVE::Resource::PCI");
+$resource_pci_module->mock(
+    config => sub {
+	return $pci_map_config;
+    },
+);
+
+my $pci_module = Test::MockModule->new("PVE::QemuServer::PCI");
+$pci_module->mock(
+    reserve_pci_usage => sub {
+	my ($ids, $vmid, $timeout, $pid, $dryrun) = @_;
+
+	$ids = [$ids] if !ref($ids);
+
+	for my $id (@$ids) {
+	    if ($id eq "0000:07:10.1") {
+		die "reserved";
+	    }
+	}
+
+	return undef;
+    },
+);
+
 sub diff($$) {
     my ($a, $b) = @_;
     return if $a eq $b;
-- 
2.30.2






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