test: Move qtests to a separate directory

The tests directory itself is pretty overcrowded, and it's hard to
see which test belongs to which test subsystem (unit, qtest, ...).
Let's move the qtests to a separate folder for more clarity.

Message-Id: <20191218103059.11729-6-thuth@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

1 files changed, 91 insertions, 0 deletions

diff --git a/tests/qtest/megasas-test.c b/tests/qtest/megasas-test.c
new file mode 100644
index 0000000..d6796b9
--- /dev/null
+++ b/tests/qtest/megasas-test.c
@@ -0,0 +1,91 @@
+/*
+ * QTest testcase for LSI MegaRAID
+ *
+ * Copyright (c) 2017 Red Hat Inc.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+#include "libqtest.h"
+#include "qemu/bswap.h"
+#include "qemu/module.h"
+#include "libqos/qgraph.h"
+#include "libqos/pci.h"
+
+typedef struct QMegasas QMegasas;
+
+struct QMegasas {
+    QOSGraphObject obj;
+    QPCIDevice dev;
+};
+
+static void *megasas_get_driver(void *obj, const char *interface)
+{
+    QMegasas *megasas = obj;
+
+    if (!g_strcmp0(interface, "pci-device")) {
+        return &megasas->dev;
+    }
+
+    fprintf(stderr, "%s not present in megasas\n", interface);
+    g_assert_not_reached();
+}
+
+static void *megasas_create(void *pci_bus, QGuestAllocator *alloc, void *addr)
+{
+    QMegasas *megasas = g_new0(QMegasas, 1);
+    QPCIBus *bus = pci_bus;
+
+    qpci_device_init(&megasas->dev, bus, addr);
+    megasas->obj.get_driver = megasas_get_driver;
+
+    return &megasas->obj;
+}
+
+/* This used to cause a NULL pointer dereference.  */
+static void megasas_pd_get_info_fuzz(void *obj, void *data, QGuestAllocator *alloc)
+{
+    QMegasas *megasas = obj;
+    QPCIDevice *dev = &megasas->dev;
+    QPCIBar bar;
+    uint32_t context[256];
+    uint64_t context_pa;
+    int i;
+
+    qpci_device_enable(dev);
+    bar = qpci_iomap(dev, 0, NULL);
+
+    memset(context, 0, sizeof(context));
+    context[0] = cpu_to_le32(0x05050505);
+    context[1] = cpu_to_le32(0x01010101);
+    for (i = 2; i < ARRAY_SIZE(context); i++) {
+        context[i] = cpu_to_le32(0x41414141);
+    }
+    context[6] = cpu_to_le32(0x02020000);
+    context[7] = cpu_to_le32(0);
+
+    context_pa = guest_alloc(alloc, sizeof(context));
+    qtest_memwrite(dev->bus->qts, context_pa, context, sizeof(context));
+    qpci_io_writel(dev, bar, 0x40, context_pa);
+}
+
+static void megasas_register_nodes(void)
+{
+    QOSGraphEdgeOptions opts = {
+        .extra_device_opts = "addr=04.0,id=scsi0",
+        .before_cmd_line = "-drive id=drv0,if=none,file=null-co://,"
+                           "file.read-zeroes=on,format=raw",
+        .after_cmd_line = "-device scsi-hd,bus=scsi0.0,drive=drv0",
+    };
+
+    add_qpci_address(&opts, &(QPCIAddress) { .devfn = QPCI_DEVFN(4, 0) });
+
+    qos_node_create_driver("megasas", megasas_create);
+    qos_node_consumes("megasas", "pci-bus", &opts);
+    qos_node_produces("megasas", "pci-device");
+
+    qos_add_test("dcmd/pd-get-info/fuzz", "megasas", megasas_pd_get_info_fuzz, NULL);
+}
+libqos_init(megasas_register_nodes);