Merging upstream version 256.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

14 files changed, 412 insertions, 50 deletions

diff --git a/test/TEST-64-UDEV-STORAGE/btrfs_basic.configure b/test/TEST-64-UDEV-STORAGE/btrfs_basic.configure
new file mode 100755
index 0000000..8ef58a9
--- /dev/null
+++ b/test/TEST-64-UDEV-STORAGE/btrfs_basic.configure
@@ -0,0 +1,26 @@
+#!/usr/bin/python3
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+import json
+import sys
+
+
+config = json.load(sys.stdin)
+
+config["QemuArgs"] += ["-device", "virtio-scsi-pci,id=scsi0"]
+
+for i in range(4):
+    id = f"drivebtrfsbasic{i}"
+    config["QemuDrives"] += [
+        {
+            "Id": id,
+            "Size": "350M" if i == 0 else "128M",
+            "Options": "cache=unsafe",
+        }
+    ]
+    config["QemuArgs"] += [
+        "-device",
+        f"scsi-hd,drive={id},vendor=systemd,product=foobar,serial=deadbeefbtrfs{i}",
+    ]
+
+json.dump(config, sys.stdout)
diff --git a/test/TEST-64-UDEV-STORAGE/iscsi_lvm.configure b/test/TEST-64-UDEV-STORAGE/iscsi_lvm.configure
new file mode 100755
index 0000000..ca23e33
--- /dev/null
+++ b/test/TEST-64-UDEV-STORAGE/iscsi_lvm.configure
@@ -0,0 +1,26 @@
+#!/usr/bin/python3
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+import json
+import sys
+
+
+config = json.load(sys.stdin)
+
+config["QemuArgs"] += ["-device", "virtio-scsi-pci,id=scsi0"]
+
+for i in range(4):
+    id = f"driveiscsibasic{i}"
+    config["QemuDrives"] += [
+        {
+            "Id": id,
+            "Size": "150M" if i == 0 else "70M",
+            "Options": "cache=unsafe",
+        }
+    ]
+    config["QemuArgs"] += [
+        "-device",
+        f"scsi-hd,drive={id},vendor=systemd,product=foobar,serial=deadbeefiscsi{i}",
+    ]
+
+json.dump(config, sys.stdout)
diff --git a/test/TEST-64-UDEV-STORAGE/long_sysfs_path.configure b/test/TEST-64-UDEV-STORAGE/long_sysfs_path.configure
new file mode 100755
index 0000000..6108bdb
--- /dev/null
+++ b/test/TEST-64-UDEV-STORAGE/long_sysfs_path.configure
@@ -0,0 +1,32 @@
+#!/usr/bin/python3
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+import json
+import sys
+
+
+config = json.load(sys.stdin)
+
+config["QemuDrives"] += [
+    {
+        "Id": "drive0",
+        "Size": "64M",
+        "Options": "cache=unsafe",
+    }
+]
+config["QemuArgs"] += ["-device", "pci-bridge,id=pci_bridge0,chassis_nr=64"]
+
+# Create 25 additional PCI bridges, each one connected to the previous one
+# (basically a really long extension cable), and attach a virtio drive to
+# the last one. This should force udev into attempting to create a device
+# unit with a _really_ long name.
+for bridge in range(1, 26):
+    config["QemuArgs"] += [
+        "-device",
+        f"pci-bridge,id=pci_bridge{bridge},bus=pci_bridge{bridge - 1},"
+        f"chassis_nr={64 + bridge}"
+    ]
+
+config["QemuArgs"] += ["-device", f"virtio-blk-pci,drive=drive0,scsi=off,bus=pci_bridge25"]
+
+json.dump(config, sys.stdout)
diff --git a/test/TEST-64-UDEV-STORAGE/lvm_basic.configure b/test/TEST-64-UDEV-STORAGE/lvm_basic.configure
new file mode 100755
index 0000000..9387b83
--- /dev/null
+++ b/test/TEST-64-UDEV-STORAGE/lvm_basic.configure
@@ -0,0 +1,25 @@
+#!/usr/bin/python3
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+import json
+import sys
+
+
+config = json.load(sys.stdin)
+
+config["QemuArgs"] += ["-device", "virtio-scsi-pci,id=scsi0"]
+
+for i in range(4):
+    id = f"drivelvmbasic{i}"
+    config["QemuDrives"] += [
+        {
+            "Id": id,
+            "Size": "32M",
+            "Options": "cache=unsafe",
+        }
+    ]
+    config["QemuArgs"] += [
+        "-device", f"scsi-hd,drive={id},vendor=systemd,product=foobar,serial=deadbeeflvm{i}",
+    ]
+
+json.dump(config, sys.stdout)
diff --git a/test/TEST-64-UDEV-STORAGE/mdadm_basic.configure b/test/TEST-64-UDEV-STORAGE/mdadm_basic.configure
new file mode 100755
index 0000000..3f00afa
--- /dev/null
+++ b/test/TEST-64-UDEV-STORAGE/mdadm_basic.configure
@@ -0,0 +1,25 @@
+#!/usr/bin/python3
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+import json
+import sys
+
+
+config = json.load(sys.stdin)
+
+config["QemuArgs"] += ["-device", "virtio-scsi-pci,id=scsi0"]
+
+for i in range(5):
+    id = f"drivemdadmbasic{i}"
+    config["QemuDrives"] += [
+        {
+            "Id": id,
+            "Size": "64M",
+            "Options": "cache=unsafe",
+        }
+    ]
+    config["QemuArgs"] += [
+        "-device", f"scsi-hd,drive={id},vendor=systemd,product=foobar,serial=deadbeefmdadm{i}",
+    ]
+
+json.dump(config, sys.stdout)
diff --git a/test/TEST-64-UDEV-STORAGE/mdadm_lvm.configure b/test/TEST-64-UDEV-STORAGE/mdadm_lvm.configure
new file mode 100755
index 0000000..b7661d9
--- /dev/null
+++ b/test/TEST-64-UDEV-STORAGE/mdadm_lvm.configure
@@ -0,0 +1,25 @@
+#!/usr/bin/python3
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+import json
+import sys
+
+
+config = json.load(sys.stdin)
+
+config["QemuArgs"] += ["-device", "virtio-scsi-pci,id=scsi0"]
+
+for i in range(5):
+    id = f"drivemdadmlvm{i}"
+    config["QemuDrives"] += [
+        {
+            "Id": id,
+            "Size": "64M",
+            "Options": "cache=unsafe",
+        }
+    ]
+    config["QemuArgs"] += [
+        "-device", f"scsi-hd,drive={id},vendor=systemd,product=foobar,serial=deadbeefmdadmlvm{i}",
+    ]
+
+json.dump(config, sys.stdout)
diff --git a/test/TEST-64-UDEV-STORAGE/meson.build b/test/TEST-64-UDEV-STORAGE/meson.build
new file mode 100644
index 0000000..15981ce
--- /dev/null
+++ b/test/TEST-64-UDEV-STORAGE/meson.build
@@ -0,0 +1,43 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+name = fs.name(meson.current_source_dir())
+unit = configure_file(
+        input : files('../test.service.in'),
+        output : '@0@.service'.format(name),
+        # Disable user service manager by default for performance.
+        configuration : integration_test_template['configuration'] + {
+              'wants' : '',
+              'after' : '',
+        },
+)
+
+foreach testcase : [
+        'btrfs_basic',
+        'iscsi_lvm',
+        'long_sysfs_path',
+        'lvm_basic',
+        'mdadm_basic',
+        'mdadm_lvm',
+        'multipath_basic_failover',
+        'nvme_basic',
+        'nvme_subsystem',
+        'simultaneous_events',
+        'virtio_scsi_basic',
+        'virtio_scsi_identically_named_partitions',
+]
+        integration_tests += [
+                integration_test_template + {
+                        'name' : '@0@-@1@'.format(name, testcase),
+                        # Make sure the service is still named TEST-64-UDEV-STORAGE.service.
+                        'unit' : unit,
+                        'cmdline' : integration_test_template['cmdline'] + [
+                                'systemd.setenv=TEST_FUNCTION_NAME=testcase_@0@'.format(testcase)
+                        ],
+                        'mkosi-args' : integration_test_template['mkosi-args'] + [
+                                '--configure-script', files('@0@.configure'.format(testcase)),
+                        ],
+                        'priority' : 10,
+                        'vm' : true,
+                },
+        ]
+endforeach
diff --git a/test/TEST-64-UDEV-STORAGE/multipath_basic_failover.configure b/test/TEST-64-UDEV-STORAGE/multipath_basic_failover.configure
new file mode 100755
index 0000000..5f323b8
--- /dev/null
+++ b/test/TEST-64-UDEV-STORAGE/multipath_basic_failover.configure
@@ -0,0 +1,31 @@
+#!/usr/bin/python3
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+import json
+import sys
+
+
+config = json.load(sys.stdin)
+
+# Add 16 multipath devices, each backed by 4 paths
+# We don't use --qemu-drive for this since they have to share the file.
+for ndisk in range(16):
+    wwn = f"0xDEADDEADBEEF{ndisk:04d}"
+    if ndisk == 0:
+        size = "16M"
+    else:
+        size = "1M"
+
+    for nback in range(4):
+        id = f"drive{ndisk}x{nback}"
+        config["QemuDrives"] += [
+            {
+                "Id": id,
+                "Size": size,
+                "Options": "cache=unsafe",
+                "FileId": str(ndisk),
+            }
+        ]
+        config["QemuArgs"] += ["-device", f"scsi-hd,drive={id},serial=MPIO{ndisk},wwn={wwn}"]
+
+json.dump(config, sys.stdout)
diff --git a/test/TEST-64-UDEV-STORAGE/nvme_basic.configure b/test/TEST-64-UDEV-STORAGE/nvme_basic.configure
new file mode 100755
index 0000000..37d0d35
--- /dev/null
+++ b/test/TEST-64-UDEV-STORAGE/nvme_basic.configure
@@ -0,0 +1,39 @@
+#!/usr/bin/python3
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+import json
+import os
+import subprocess
+import sys
+
+
+config = json.load(sys.stdin)
+
+qemu = f"qemu-system-{os.environ["QEMU_ARCHITECTURE"]}"
+result = subprocess.run([qemu, '-device', 'help'], check=True, text=True, stdout=subprocess.PIPE)
+if 'name "nvme"' not in result.stdout:
+    print("nvme device driver is not available, skipping test...", file=sys.stderr)
+    exit(77)
+
+def add_drive(i: int, serial: str) -> None:
+    global config
+    id = f"nvme{i}"
+    config["QemuDrives"] += [
+        {
+            "Id": id,
+            "Size": "1M",
+            "Options": "cache=unsafe",
+        }
+    ]
+    config["QemuArgs"] += ["-device", f"nvme,drive={id},serial={serial},num_queues=8"]
+
+for i in range(5):
+    add_drive(i, serial=f"deadbeef{i}")
+for i in range(5, 10):
+    add_drive(i, serial=f"    deadbeef  {i}   ")
+for i in range(10, 15):
+    add_drive(i, serial=f"    dead/beef/{i}   ")
+for i in range(15, 20):
+    add_drive(i, serial=f"dead/../../beef/{i}")
+
+json.dump(config, sys.stdout)
diff --git a/test/TEST-64-UDEV-STORAGE/nvme_subsystem.configure b/test/TEST-64-UDEV-STORAGE/nvme_subsystem.configure
new file mode 100755
index 0000000..eb601a6
--- /dev/null
+++ b/test/TEST-64-UDEV-STORAGE/nvme_subsystem.configure
@@ -0,0 +1,39 @@
+#!/usr/bin/python3
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+import json
+import os
+import subprocess
+import sys
+
+
+config = json.load(sys.stdin)
+
+qemu = f"qemu-system-{os.environ["QEMU_ARCHITECTURE"]}"
+result = subprocess.run([qemu, '-device', 'help'], check=True, text=True, stdout=subprocess.PIPE)
+if 'name "nvme"' not in result.stdout:
+    print("nvme device driver is not available, skipping test...", file=sys.stderr)
+    exit(77)
+
+for id in ("nvme0", "nvme1"):
+    config["QemuDrives"] += [
+        {
+            "Id": id,
+            "Size": "1M",
+            "Options": "cache=unsafe",
+        }
+
+    ]
+
+config["QemuArgs"] += [
+    # Create an NVM Subsystem Device
+    "-device", "nvme-subsys,id=nvme-subsys-64,nqn=subsys64",
+    # Attach two NVM controllers to it
+    "-device", "nvme,subsys=nvme-subsys-64,serial=deadbeef",
+    "-device", "nvme,subsys=nvme-subsys-64,serial=deadbeef",
+    # And create two shared namespaces attached to both controllers
+    "-device", "nvme-ns,drive=nvme0,nsid=16,shared=on",
+    "-device", "nvme-ns,drive=nvme1,nsid=17,shared=on",
+]
+
+json.dump(config, sys.stdout)
diff --git a/test/TEST-64-UDEV-STORAGE/simultaneous_events.configure b/test/TEST-64-UDEV-STORAGE/simultaneous_events.configure
new file mode 100755
index 0000000..a0edb01
--- /dev/null
+++ b/test/TEST-64-UDEV-STORAGE/simultaneous_events.configure
@@ -0,0 +1,21 @@
+#!/usr/bin/python3
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+import json
+import sys
+
+
+config = json.load(sys.stdin)
+
+for i in range(10):
+    id = f"drivesimultaneousevents{i}"
+    config["QemuDrives"] += [
+        {
+            "Id": id,
+            "Size": "128M",
+            "Options": "cache=unsafe",
+        }
+    ]
+    config["QemuArgs"] += ["-device", f"scsi-hd,drive={id},serial=deadbeeftest{i}"]
+
+json.dump(config, sys.stdout)
diff --git a/test/TEST-64-UDEV-STORAGE/test.sh b/test/TEST-64-UDEV-STORAGE/test.sh
index b9e7bdf..b5a70ca 100755
--- a/test/TEST-64-UDEV-STORAGE/test.sh
+++ b/test/TEST-64-UDEV-STORAGE/test.sh
@@ -159,18 +159,18 @@ test_run() {
     return 0
 }
 
-testcase_megasas2_basic() {
-    if ! "${QEMU_BIN:?}" -device help | grep 'name "megasas-gen2"'; then
-        echo "megasas-gen2 device driver is not available, skipping test..."
+testcase_virtio_scsi_basic() {
+    if ! "${QEMU_BIN:?}" -device help | grep 'name "virtio-scsi-pci"'; then
+        echo "virtio-scsi-pci device driver is not available, skipping test..."
         return 77
     fi
 
     local i
     local qemu_opts=(
-        "-device megasas-gen2,id=scsi0"
-        "-device megasas-gen2,id=scsi1"
-        "-device megasas-gen2,id=scsi2"
-        "-device megasas-gen2,id=scsi3"
+        "-device virtio-scsi-pci,id=scsi0"
+        "-device virtio-scsi-pci,id=scsi1"
+        "-device virtio-scsi-pci,id=scsi2"
+        "-device virtio-scsi-pci,id=scsi3"
     )
 
     for i in {0..127}; do
@@ -268,24 +268,15 @@ testcase_virtio_scsi_identically_named_partitions() {
     # and attach them to a virtio-scsi controller
     local qemu_opts=("-device virtio-scsi-pci,id=scsi0,num_queues=4")
     local diskpath="${TESTDIR:?}/namedpart0.img"
-    local i lodev num_disk num_part qemu_timeout
+    local i num_disk qemu_timeout
 
     if get_bool "${IS_BUILT_WITH_ASAN:=}" || ! get_bool "$QEMU_KVM"; then
         num_disk=4
-        num_part=4
     else
         num_disk=16
-        num_part=8
     fi
 
     dd if=/dev/zero of="$diskpath" bs=1M count=18
-    lodev="$(losetup --show -f -P "$diskpath")"
-    sfdisk "${lodev:?}" <<EOF
-label: gpt
-
-$(for ((i = 1; i <= num_part; i++)); do echo 'name="Hello world", size=2M'; done)
-EOF
-    losetup -d "$lodev"
 
     for ((i = 0; i < num_disk; i++)); do
         diskpath="${TESTDIR:?}/namedpart$i.img"
@@ -325,19 +316,9 @@ testcase_multipath_basic_failover() {
 
     local qemu_opts=("-device virtio-scsi-pci,id=scsi")
     local partdisk="${TESTDIR:?}/multipathpartitioned.img"
-    local image lodev nback ndisk wwn
+    local image nback ndisk wwn
 
     dd if=/dev/zero of="$partdisk" bs=1M count=16
-    lodev="$(losetup --show -f -P "$partdisk")"
-    sfdisk "${lodev:?}" <<EOF
-label: gpt
-
-name="first_partition", size=5M
-uuid="deadbeef-dead-dead-beef-000000000000", name="failover_part", size=5M
-EOF
-    udevadm settle
-    mkfs.ext4 -U "deadbeef-dead-dead-beef-111111111111" -L "failover_vol" "${lodev}p2"
-    losetup -d "$lodev"
 
     # Add 16 multipath devices, each backed by 4 paths
     for ndisk in {0..15}; do
@@ -388,7 +369,7 @@ testcase_lvm_basic() {
         return 77
     fi
 
-    local qemu_opts=("-device ahci,id=ahci0")
+    local qemu_opts=("-device virtio-scsi-pci,id=scsi0")
     local diskpath i
 
     # Attach 4 SATA disks to the VM (and set their model and serial fields
@@ -397,7 +378,7 @@ testcase_lvm_basic() {
         diskpath="${TESTDIR:?}/lvmbasic${i}.img"
         dd if=/dev/zero of="$diskpath" bs=1M count=32
         qemu_opts+=(
-            "-device ide-hd,bus=ahci0.$i,drive=drive$i,model=foobar,serial=deadbeeflvm$i"
+            "-device scsi-hd,drive=drive$i,vendor=systemd,product=foobar,serial=deadbeeflvm$i"
             "-drive format=raw,cache=unsafe,file=$diskpath,if=none,id=drive$i"
         )
     done
@@ -415,7 +396,7 @@ testcase_btrfs_basic() {
         return 77
     fi
 
-    local qemu_opts=("-device ahci,id=ahci0")
+    local qemu_opts=("-device virtio-scsi-pci,id=scsi0")
     local diskpath i size
 
     for i in {0..3}; do
@@ -425,7 +406,7 @@ testcase_btrfs_basic() {
 
         dd if=/dev/zero of="$diskpath" bs=1M count="$size"
         qemu_opts+=(
-            "-device ide-hd,bus=ahci0.$i,drive=drive$i,model=foobar,serial=deadbeefbtrfs$i"
+            "-device scsi-hd,drive=drive$i,vendor=systemd,product=foobar,serial=deadbeefbtrfs$i"
             "-drive format=raw,cache=unsafe,file=$diskpath,if=none,id=drive$i"
         )
     done
@@ -443,7 +424,7 @@ testcase_iscsi_lvm() {
         return 77
     fi
 
-    local qemu_opts=("-device ahci,id=ahci0")
+    local qemu_opts=("-device virtio-scsi-pci,id=scsi0")
     local diskpath i size
 
     for i in {0..3}; do
@@ -454,7 +435,7 @@ testcase_iscsi_lvm() {
 
         dd if=/dev/zero of="$diskpath" bs=1M count="$size"
         qemu_opts+=(
-            "-device ide-hd,bus=ahci0.$i,drive=drive$i,model=foobar,serial=deadbeefiscsi$i"
+            "-device scsi-hd,drive=drive$i,vendor=systemd,product=foobar,serial=deadbeefiscsi$i"
             "-drive format=raw,cache=unsafe,file=$diskpath,if=none,id=drive$i"
         )
     done
@@ -475,18 +456,6 @@ testcase_long_sysfs_path() {
     )
 
     dd if=/dev/zero of="$testdisk" bs=1M count=64
-    lodev="$(losetup --show -f -P "$testdisk")"
-    sfdisk "${lodev:?}" <<EOF
-label: gpt
-
-name="test_swap", size=32M
-uuid="deadbeef-dead-dead-beef-000000000000", name="test_part", size=5M
-EOF
-    udevadm settle
-    mkswap -U "deadbeef-dead-dead-beef-111111111111" -L "swap_vol" "${lodev}p1"
-    mkfs.ext4 -U "deadbeef-dead-dead-beef-222222222222" -L "data_vol" "${lodev}p2"
-    losetup -d "$lodev"
-
     # Create 25 additional PCI bridges, each one connected to the previous one
     # (basically a really long extension cable), and attach a virtio drive to
     # the last one. This should force udev into attempting to create a device
@@ -510,7 +479,7 @@ testcase_mdadm_basic() {
         return 77
     fi
 
-    local qemu_opts=("-device ahci,id=ahci0")
+    local qemu_opts=("-device virtio-scsi-pci,id=scsi0")
     local diskpath i size
 
     for i in {0..4}; do
@@ -518,7 +487,7 @@ testcase_mdadm_basic() {
 
         dd if=/dev/zero of="$diskpath" bs=1M count=64
         qemu_opts+=(
-            "-device ide-hd,bus=ahci0.$i,drive=drive$i,model=foobar,serial=deadbeefmdadm$i"
+            "-device scsi-hd,drive=drive$i,vendor=systemd,product=foobar,serial=deadbeefmdadm$i"
             "-drive format=raw,cache=unsafe,file=$diskpath,if=none,id=drive$i"
         )
     done
@@ -536,7 +505,7 @@ testcase_mdadm_lvm() {
         return 77
     fi
 
-    local qemu_opts=("-device ahci,id=ahci0")
+    local qemu_opts=("-device virtio-scsi-pci,id=scsi0")
     local diskpath i size
 
     for i in {0..4}; do
@@ -544,7 +513,7 @@ testcase_mdadm_lvm() {
 
         dd if=/dev/zero of="$diskpath" bs=1M count=64
         qemu_opts+=(
-            "-device ide-hd,bus=ahci0.$i,drive=drive$i,model=foobar,serial=deadbeefmdadmlvm$i"
+            "-device scsi-hd,drive=drive$i,vendor=systemd,product=foobar,serial=deadbeefmdadmlvm$i"
             "-drive format=raw,cache=unsafe,file=$diskpath,if=none,id=drive$i"
         )
     done
diff --git a/test/TEST-64-UDEV-STORAGE/virtio_scsi_basic.configure b/test/TEST-64-UDEV-STORAGE/virtio_scsi_basic.configure
new file mode 100755
index 0000000..ab8d530
--- /dev/null
+++ b/test/TEST-64-UDEV-STORAGE/virtio_scsi_basic.configure
@@ -0,0 +1,28 @@
+#!/usr/bin/python3
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+import json
+import sys
+
+
+config = json.load(sys.stdin)
+
+for i in range(4):
+    config["QemuArgs"] += ['-device', f"virtio-scsi-pci,id=scsi{i}"]
+
+for i in range(128):
+    id = f"drive{i}"
+    config["QemuDrives"] += [
+        {
+            "Id": id,
+            "Size": "1M",
+            "Options": "cache=unsafe",
+        }
+    ]
+    config["QemuArgs"] += [
+        '-device',
+        f"scsi-hd,drive={id},bus=scsi{i // 32}.0,channel=0,"
+        f"scsi-id={i % 32},lun=0",
+    ]
+
+json.dump(config, sys.stdout)
diff --git a/test/TEST-64-UDEV-STORAGE/virtio_scsi_identically_named_partitions.configure b/test/TEST-64-UDEV-STORAGE/virtio_scsi_identically_named_partitions.configure
new file mode 100755
index 0000000..e850247
--- /dev/null
+++ b/test/TEST-64-UDEV-STORAGE/virtio_scsi_identically_named_partitions.configure
@@ -0,0 +1,33 @@
+#!/usr/bin/python3
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+import json
+import os
+import subprocess
+import sys
+
+
+config = json.load(sys.stdin)
+
+qemu = f"qemu-system-{os.environ["QEMU_ARCHITECTURE"]}"
+result = subprocess.run([qemu, '-device', 'help'], check=True, text=True, stdout=subprocess.PIPE)
+if 'name "virtio-scsi-pci"' not in result.stdout:
+    print("virtio-scsi-pci device driver is not available, skipping test...", file=sys.stderr)
+    exit(77)
+
+num_disk = 16
+
+config["QemuArgs"] += ["-device", "virtio-scsi-pci,id=scsi0,num_queues=4"]
+
+for i in range(0, num_disk):
+    id = f"drive{i}"
+    config["QemuDrives"] += [
+        {
+            "Id": id,
+            "Size": "40M",
+            "Options": "cache=unsafe"
+        }
+    ]
+    config["QemuArgs"] += ["-device", f"scsi-hd,drive={id},bus=scsi0.0,channel=0,scsi-id=0,lun={i}"]
+
+json.dump(config, sys.stdout)