iotests: Give access to the qemu-storage-daemon

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20201027190600.192171-18-mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

tests/qemu-iotests/check

@@ -644,6 +644,17 @@ if [ -z $QEMU_NBD_PROG ]; then
 fi
 export QEMU_NBD_PROG="$(type -p "$QEMU_NBD_PROG")"
 
+if [ -z "$QSD_PROG" ]; then
+    if [ -x "$build_iotests/qemu-storage-daemon" ]; then
+        export QSD_PROG="$build_iotests/qemu-storage-daemon"
+    elif [ -x "$build_root/storage-daemon/qemu-storage-daemon" ]; then
+        export QSD_PROG="$build_root/storage-daemon/qemu-storage-daemon"
+    else
+        _init_error "qemu-storage-daemon not found"
+    fi
+fi
+export QSD_PROG="$(type -p "$QSD_PROG")"
+
 if [ -x "$build_iotests/socket_scm_helper" ]
 then
     export SOCKET_SCM_HELPER="$build_iotests/socket_scm_helper"

tests/qemu-iotests/common.rc

@@ -124,6 +124,7 @@ fi
 : ${VALGRIND_QEMU_IMG=$VALGRIND_QEMU}
 : ${VALGRIND_QEMU_IO=$VALGRIND_QEMU}
 : ${VALGRIND_QEMU_NBD=$VALGRIND_QEMU}
+: ${VALGRIND_QSD=$VALGRIND_QEMU}
 
 # The Valgrind own parameters may be set with
 # its environment variable VALGRIND_OPTS, e.g.
@@ -211,6 +212,21 @@ _qemu_nbd_wrapper()
     return $RETVAL
 }
 
+_qemu_storage_daemon_wrapper()
+{
+    local VALGRIND_LOGFILE="${TEST_DIR}"/$$.valgrind
+    (
+        if [ -n "${QSD_NEED_PID}" ]; then
+            echo $BASHPID > "${QEMU_TEST_DIR}/qemu-storage-daemon.pid"
+        fi
+        VALGRIND_QEMU="${VALGRIND_QSD}" _qemu_proc_exec "${VALGRIND_LOGFILE}" \
+            "$QSD_PROG" $QSD_OPTIONS "$@"
+    )
+    RETVAL=$?
+    _qemu_proc_valgrind_log "${VALGRIND_LOGFILE}" $RETVAL
+    return $RETVAL
+}
+
 # Valgrind bug #409141 https://bugs.kde.org/show_bug.cgi?id=409141
 # Until valgrind 3.16+ is ubiquitous, we must work around a hang in
 # valgrind when issuing sigkill. Disable valgrind for this invocation.
@@ -223,6 +239,7 @@ export QEMU=_qemu_wrapper
 export QEMU_IMG=_qemu_img_wrapper
 export QEMU_IO=_qemu_io_wrapper
 export QEMU_NBD=_qemu_nbd_wrapper
+export QSD=_qemu_storage_daemon_wrapper
 
 if [ "$IMGOPTSSYNTAX" = "true" ]; then
     DRIVER="driver=$IMGFMT"