From 86dc943f6e00af799432756c39137d663791d8d3 Mon Sep 17 00:00:00 2001
From: Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com>
Date: Fri, 17 Aug 2018 12:01:59 +0200
Subject: [PATCH] qos-test: ac97 test node

Convert tests/ac97-test to a driver node; currently it runs
the PCI nop test only, therefore we're not placing it in tests/libqos.

Signed-off-by: Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 tests/Makefile.include |  3 +--
 tests/ac97-test.c      | 51 +++++++++++++++++++++++++++++++-----------
 2 files changed, 39 insertions(+), 15 deletions(-)

diff --git a/tests/Makefile.include b/tests/Makefile.include
index b4b53ca919..954b06babd 100644
--- a/tests/Makefile.include
+++ b/tests/Makefile.include
@@ -159,7 +159,6 @@ check-qtest-pci-$(CONFIG_PCNET_PCI) += tests/pcnet-test$(EXESUF)
 check-qtest-pci-$(CONFIG_EEPRO100_PCI) += tests/eepro100-test$(EXESUF)
 check-qtest-pci-$(CONFIG_NE2000_PCI) += tests/ne2000-test$(EXESUF)
 check-qtest-pci-$(CONFIG_NVME_PCI) += tests/nvme-test$(EXESUF)
-check-qtest-pci-$(CONFIG_AC97) += tests/ac97-test$(EXESUF)
 check-qtest-pci-$(CONFIG_ES1370) += tests/es1370-test$(EXESUF)
 check-qtest-pci-$(CONFIG_IPACK) += tests/tpci200-test$(EXESUF)
 check-qtest-pci-$(CONFIG_IPACK) += $(check-qtest-ipack-y)
@@ -754,6 +753,7 @@ qos-test-obj-y += tests/libqos/ppc64_pseries-machine.o
 qos-test-obj-y += tests/libqos/x86_64_pc-machine.o
 
 # Tests
+qos-test-obj-y += tests/ac97-test.o
 qos-test-obj-y += tests/e1000e-test.o
 qos-test-obj-y += tests/pci-test.o
 qos-test-obj-y += tests/sdhci-test.o
@@ -822,7 +822,6 @@ tests/drive_del-test$(EXESUF): tests/drive_del-test.o
 tests/nvme-test$(EXESUF): tests/nvme-test.o $(libqos-pc-obj-y)
 tests/pvpanic-test$(EXESUF): tests/pvpanic-test.o
 tests/i82801b11-test$(EXESUF): tests/i82801b11-test.o
-tests/ac97-test$(EXESUF): tests/ac97-test.o
 tests/es1370-test$(EXESUF): tests/es1370-test.o
 tests/intel-hda-test$(EXESUF): tests/intel-hda-test.o
 tests/ioh3420-test$(EXESUF): tests/ioh3420-test.o
diff --git a/tests/ac97-test.c b/tests/ac97-test.c
index e0d177bd9c..532fb1cc98 100644
--- a/tests/ac97-test.c
+++ b/tests/ac97-test.c
@@ -9,23 +9,48 @@
 
 #include "qemu/osdep.h"
 #include "libqtest.h"
+#include "libqos/qgraph.h"
+#include "libqos/pci.h"
 
-/* Tests only initialization so far. TODO: Replace with functional tests */
-static void nop(void)
+typedef struct QAC97 QAC97;
+
+struct QAC97 {
+    QOSGraphObject obj;
+    QPCIDevice dev;
+};
+
+static void *ac97_get_driver(void *obj, const char *interface)
 {
+    QAC97 *ac97 = obj;
+
+    if (!g_strcmp0(interface, "pci-device")) {
+        return &ac97->dev;
+    }
+
+    fprintf(stderr, "%s not present in e1000e\n", interface);
+    g_assert_not_reached();
 }
 
-int main(int argc, char **argv)
+static void *ac97_create(void *pci_bus, QGuestAllocator *alloc, void *addr)
 {
-    int ret;
+    QAC97 *ac97 = g_new0(QAC97, 1);
+    QPCIBus *bus = pci_bus;
 
-    g_test_init(&argc, &argv, NULL);
-    qtest_add_func("/ac97/nop", nop);
-
-    qtest_start("-device AC97");
-    ret = g_test_run();
-
-    qtest_end();
-
-    return ret;
+    qpci_device_init(&ac97->dev, bus, addr);
+    ac97->obj.get_driver = ac97_get_driver;
+    return &ac97->obj;
 }
+
+static void ac97_register_nodes(void)
+{
+    QOSGraphEdgeOptions opts = {
+        .extra_device_opts = "addr=04.0",
+    };
+    add_qpci_address(&opts, &(QPCIAddress) { .devfn = QPCI_DEVFN(4, 0) });
+
+    qos_node_create_driver("AC97", ac97_create);
+    qos_node_produces("AC97", "pci-device");
+    qos_node_consumes("AC97", "pci-bus", &opts);
+}
+
+libqos_init(ac97_register_nodes);