Introduce Virtio-loopback epsilon release:

Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.

Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9

1 files changed, 83 insertions, 0 deletions

diff --git a/tests/check-block.sh b/tests/check-block.sh
new file mode 100755
index 000000000..f86cb863d
--- /dev/null
+++ b/tests/check-block.sh
@@ -0,0 +1,83 @@
+#!/bin/sh
+
+# Honor the SPEED environment variable, just like we do it for the qtests.
+if [ "$SPEED" = "slow" ]; then
+    format_list="raw qcow2"
+    group=
+elif [ "$SPEED" = "thorough" ]; then
+    format_list="raw qcow2 qed vmdk vpc"
+    group=
+else
+    format_list=qcow2
+    group="-g auto"
+fi
+
+if [ "$#" -ne 0 ]; then
+    format_list="$@"
+fi
+
+if grep -q "CONFIG_GPROF=y" config-host.mak 2>/dev/null ; then
+    echo "GPROF is enabled ==> Not running the qemu-iotests."
+    exit 0
+fi
+
+# Disable tests with any sanitizer except for specific ones
+SANITIZE_FLAGS=$( grep "CFLAGS.*-fsanitize" config-host.mak 2>/dev/null )
+ALLOWED_SANITIZE_FLAGS="safe-stack cfi-icall"
+#Remove all occurrencies of allowed Sanitize flags
+for j in ${ALLOWED_SANITIZE_FLAGS}; do
+    TMP_FLAGS=${SANITIZE_FLAGS}
+    SANITIZE_FLAGS=""
+    for i in ${TMP_FLAGS}; do
+        if ! echo ${i} | grep -q "${j}" 2>/dev/null; then
+            SANITIZE_FLAGS="${SANITIZE_FLAGS} ${i}"
+        fi
+    done
+done
+if echo ${SANITIZE_FLAGS} | grep -q "\-fsanitize" 2>/dev/null; then
+    # Have a sanitize flag that is not allowed, stop
+    echo "Sanitizers are enabled ==> Not running the qemu-iotests."
+    exit 0
+fi
+
+if [ -z "$(find . -name 'qemu-system-*' -print)" ]; then
+    echo "No qemu-system binary available ==> Not running the qemu-iotests."
+    exit 0
+fi
+
+if ! command -v bash >/dev/null 2>&1 ; then
+    echo "bash not available ==> Not running the qemu-iotests."
+    exit 0
+fi
+
+if LANG=C bash --version | grep -q 'GNU bash, version [123]' ; then
+    echo "bash version too old ==> Not running the qemu-iotests."
+    exit 0
+fi
+
+if ! (sed --version | grep 'GNU sed') > /dev/null 2>&1 ; then
+    if ! command -v gsed >/dev/null 2>&1; then
+        echo "GNU sed not available ==> Not running the qemu-iotests."
+        exit 0
+    fi
+else
+    # Double-check that we're not using BusyBox' sed which says
+    # that "This is not GNU sed version 4.0" ...
+    if sed --version | grep -q 'not GNU sed' ; then
+        echo "BusyBox sed not supported ==> Not running the qemu-iotests."
+        exit 0
+    fi
+fi
+
+cd tests/qemu-iotests
+
+# QEMU_CHECK_BLOCK_AUTO is used to disable some unstable sub-tests
+export QEMU_CHECK_BLOCK_AUTO=1
+export PYTHONUTF8=1
+
+ret=0
+for fmt in $format_list ; do
+    ${PYTHON} ./check -makecheck -$fmt $group || ret=1
+done
+
+exit $ret