On 04/13/2012 09:27 AM, Stefan Hajnoczi wrote:
Signed-off-by: Stefan Hajnoczi<stefa...@linux.vnet.ibm.com>
---
tests/Makefile | 3 +-
tests/virtio-test.c | 88 +++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 90 insertions(+), 1 deletion(-)
create mode 100644 tests/virtio-test.c
diff --git a/tests/Makefile b/tests/Makefile
index a98a848..fd0abf1 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -18,7 +18,7 @@ check-block-$(CONFIG_POSIX) += tests/qemu-iotests-quick.sh
# All QTests for now are POSIX-only, but the dependencies are
# really in libqtest, not in the testcases themselves.
-check-qtest-i386-y = tests/rtc-test
+check-qtest-i386-y = tests/rtc-test tests/virtio-test
check-qtest-x86_64-y = $(check-qtest-i386-y)
GENERATED_HEADERS += tests/test-qapi-types.h tests/test-qapi-visit.h
tests/test-qmp-commands.h
@@ -64,6 +64,7 @@ tests/test-qmp-input-strict$(EXESUF):
tests/test-qmp-input-strict.o $(test-qapi-
tests/test-qmp-commands$(EXESUF): tests/test-qmp-commands.o
tests/test-qmp-marshal.o $(test-qapi-obj-y)
tests/rtc-test$(EXESUF): tests/rtc-test.o $(trace-obj-y)
+tests/virtio-test$(EXESUF): tests/virtio-test.o tests/libpci.o $(trace-obj-y)
# QTest rules
diff --git a/tests/virtio-test.c b/tests/virtio-test.c
new file mode 100644
index 0000000..7ed564e
--- /dev/null
+++ b/tests/virtio-test.c
@@ -0,0 +1,88 @@
+/*
+ * QTest testcase demo for virtio-pci devices
+ *
+ * Copyright IBM, Corp. 2012
+ *
+ * Authors:
+ * Stefan Hajnoczi<stefa...@linux.vnet.ibm.com>
+ *
+ * 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<glib.h>
+#include<string.h>
+#include "bswap.h"
+#include "libpci.h"
+#include "hw/virtio-defs.h"
+#include "hw/virtio-pci-defs.h"
+#include "libqtest.h"
+
+enum {
+ /* Device address for this test */
+ TEST_PCI_SLOT = 5,
+ TEST_PCI_FUNC = 0,
+ TEST_BAR0_IOADDR = 0x1000,
IIRC, PCI ioport space starts at 0xc000.
Regards,
Anthony Liguori
+};
+
+static void virtio_probe(void)
+{
+ PciDevice dev;
+
+ if (!pci_probe(&dev, TEST_PCI_SLOT, TEST_PCI_FUNC)) {
+ g_test_message("Probe failed, no device present\n");
+ return;
+ }
+
+ /* "2.1 PCI Discovery" defines vendor/device IDs */
+ g_assert_cmpint(pci_config_readw(&dev, PCI_VENDOR_ID), ==, 0x1af4);
+ g_assert_cmpint(pci_config_readw(&dev, PCI_DEVICE_ID), ==, 0x1002);
+
+ /* "2.1 PCI Discovery" defines the revision ID */
+ g_assert_cmpint(pci_config_readb(&dev, PCI_REVISION_ID), ==, 0);
+
+ /* "2.1 PCI Discovery" defines the subsystem IDs */
+ g_assert_cmpint(pci_config_readw(&dev, PCI_SUBSYSTEM_ID), ==, 5);
+
+ pci_map_bar_io(&dev, PCI_BASE_ADDRESS_0, TEST_BAR0_IOADDR);
+ pci_enable(&dev);
+
+ g_test_message("host features: %#x\n",
+ le32_to_cpu(inl(TEST_BAR0_IOADDR + VIRTIO_PCI_HOST_FEATURES)));
+ g_test_message("status: %#x\n", inb(TEST_BAR0_IOADDR + VIRTIO_PCI_STATUS));
+
+ outl(TEST_BAR0_IOADDR + VIRTIO_PCI_STATUS,
+ VIRTIO_CONFIG_S_ACKNOWLEDGE | VIRTIO_CONFIG_S_DRIVER);
+}
+
+int main(int argc, char **argv)
+{
+ const char *arch;
+ QTestState *s = NULL;
+ int ret;
+
+ g_test_init(&argc,&argv, NULL);
+
+ arch = qtest_get_arch();
+ /* These tests only work on i386 and x86_64 */
+ if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
+ gchar *args =
+ g_strdup_printf("-vnc none -device virtio-balloon-pci,addr=%u.%u",
+ TEST_PCI_SLOT, TEST_PCI_FUNC);
+ s = qtest_start(args);
+ g_free(args);
+
+ qtest_add_func("/virtio/probe", virtio_probe);
+ } else {
+ g_test_message("Skipping unsupported arch `%s'\n", arch);
+ }
+
+ ret = g_test_run();
+
+ if (s) {
+ qtest_quit(s);
+ }
+
+ return ret;
+}
