tests: convert OMAP i2c tests to qgraph

This way, pca9952-test and tmp105-test will run for every machine
that exposes an i2c-bus.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

tests/Makefile.include

@@ -255,8 +255,6 @@ check-qtest-sparc64-$(CONFIG_ISA_TESTDEV) = tests/endianness-test$(EXESUF)
 check-qtest-sparc64-y += tests/prom-env-test$(EXESUF)
 check-qtest-sparc64-y += tests/boot-serial-test$(EXESUF)
 
-check-qtest-arm-y += tests/tmp105-test$(EXESUF)
-check-qtest-arm-y += tests/pca9552-test$(EXESUF)
 check-qtest-arm-y += tests/ds1338-test$(EXESUF)
 check-qtest-arm-y += tests/microbit-test$(EXESUF)
 check-qtest-arm-y += tests/m25p80-test$(EXESUF)
@@ -686,7 +684,6 @@ libqos-spapr-obj-y += tests/libqos/pci-spapr.o
 libqos-pc-obj-y = $(libqos-obj-y) tests/libqos/pci-pc.o
 libqos-pc-obj-y += tests/libqos/malloc-pc.o tests/libqos/libqos-pc.o
 libqos-pc-obj-y += tests/libqos/ahci.o
-libqos-omap-obj-y = $(libqos-obj-y) tests/libqos/i2c-omap.o
 libqos-imx-obj-y = $(libqos-obj-y) tests/libqos/i2c-imx.o
 libqos-usb-obj-y = $(libqos-spapr-obj-y) $(libqos-pc-obj-y) tests/libqos/usb.o
 
@@ -695,7 +692,7 @@ qos-test-obj-y = tests/qos-test.o $(libqgraph-obj-y)
 qos-test-obj-y += $(libqos-pc-obj-y) $(libqos-spapr-obj-y)
 qos-test-obj-y += tests/libqos/e1000e.o
 qos-test-obj-y += $(libqos-imx-obj-y)
-qos-test-obj-y += $(libqos-omap-obj-y)
+qos-test-obj-y += tests/libqos/i2c-omap.o
 qos-test-obj-y += tests/libqos/sdhci.o
 qos-test-obj-y += tests/libqos/tpci200.o
 qos-test-obj-y += tests/libqos/virtio.o
@@ -731,10 +728,12 @@ qos-test-obj-y += tests/ipoctal232-test.o
 qos-test-obj-y += tests/megasas-test.o
 qos-test-obj-y += tests/ne2000-test.o
 qos-test-obj-y += tests/nvme-test.o
+qos-test-obj-y += tests/pca9552-test.o
 qos-test-obj-y += tests/pci-test.o
 qos-test-obj-y += tests/pcnet-test.o
 qos-test-obj-y += tests/sdhci-test.o
 qos-test-obj-y += tests/spapr-phb-test.o
+qos-test-obj-y += tests/tmp105-test.o
 qos-test-obj-y += tests/usb-hcd-ohci-test.o $(libqos-usb-obj-y)
 qos-test-obj-$(CONFIG_VHOST_NET_USER) += tests/vhost-user-test.o $(chardev-obj-y) $(test-io-obj-y)
 qos-test-obj-y += tests/virtio-test.o
@@ -772,8 +771,6 @@ tests/boot-serial-test$(EXESUF): tests/boot-serial-test.o $(libqos-obj-y)
 tests/bios-tables-test$(EXESUF): tests/bios-tables-test.o \
 	tests/boot-sector.o tests/acpi-utils.o $(libqos-obj-y)
 tests/pxe-test$(EXESUF): tests/pxe-test.o tests/boot-sector.o $(libqos-obj-y)
-tests/tmp105-test$(EXESUF): tests/tmp105-test.o $(libqos-omap-obj-y)
-tests/pca9552-test$(EXESUF): tests/pca9552-test.o $(libqos-omap-obj-y)
 tests/ds1338-test$(EXESUF): tests/ds1338-test.o $(libqos-imx-obj-y)
 tests/microbit-test$(EXESUF): tests/microbit-test.o
 tests/m25p80-test$(EXESUF): tests/m25p80-test.o

tests/libqos/i2c-omap.c

@@ -187,25 +187,6 @@ void omap_i2c_init(OMAPI2C *s, QTestState *qts, uint64_t addr)
     s->parent.qts = qts;
 }
 
-I2CAdapter *omap_i2c_create(QTestState *qts, uint64_t addr)
-{
-    OMAPI2C *s = g_malloc0(sizeof(*s));
-
-    omap_i2c_init(s, qts, addr);
-    return &s->parent;
-}
-
-void omap_i2c_free(I2CAdapter *i2c)
-{
-    OMAPI2C *s;
-
-    if (!i2c) {
-        return;
-    }
-    s = container_of(i2c, OMAPI2C, parent);
-    g_free(s);
-}
-
 static void omap_i2c_register_nodes(void)
 {
     qos_node_create_driver("omap_i2c", NULL);

tests/libqos/i2c.h

@@ -38,8 +38,6 @@ struct QI2CDevice {
     I2CAdapter *bus;
 };
 
-#define OMAP2_I2C_1_BASE 0x48070000
-
 void *i2c_device_create(void *i2c_bus, QGuestAllocator *alloc, void *addr);
 
 void i2c_send(I2CAdapter *i2c, uint8_t addr,
@@ -67,8 +65,6 @@ typedef struct OMAPI2C {
 } OMAPI2C;
 
 void omap_i2c_init(OMAPI2C *s, QTestState *qts, uint64_t addr);
-I2CAdapter *omap_i2c_create(QTestState *qts, uint64_t addr);
-void omap_i2c_free(I2CAdapter *i2c);
 
 /* i2c-imx.c */
 typedef struct IMXI2C {

tests/pca9552-test.c

@@ -10,23 +10,26 @@
 #include "qemu/osdep.h"
 
 #include "libqtest.h"
+#include "libqos/qgraph.h"
 #include "libqos/i2c.h"
 #include "hw/misc/pca9552_regs.h"
 
 #define PCA9552_TEST_ID   "pca9552-test"
 #define PCA9552_TEST_ADDR 0x60
 
-static I2CAdapter *i2c;
+static void pca9552_init(QI2CDevice *i2cdev)
-
-static void pca9552_init(I2CAdapter *i2c)
 {
+    I2CAdapter *i2c = i2cdev->bus;
+
     /* Switch on LEDs 0 and 12 */
     i2c_set8(i2c, PCA9552_TEST_ADDR, PCA9552_LS0, 0x54);
     i2c_set8(i2c, PCA9552_TEST_ADDR, PCA9552_LS3, 0x54);
 }
 
-static void receive_autoinc(void)
+static void receive_autoinc(void *obj, void *data, QGuestAllocator *alloc)
 {
+    QI2CDevice *i2cdev = (QI2CDevice *)obj;
+    I2CAdapter *i2c = i2cdev->bus;
     uint8_t resp;
     uint8_t reg = PCA9552_LS0 | PCA9552_AUTOINC;
 
@@ -51,8 +54,10 @@ static void receive_autoinc(void)
     g_assert_cmphex(resp, ==, 0x54);
 }
 
-static void send_and_receive(void)
+static void send_and_receive(void *obj, void *data, QGuestAllocator *alloc)
 {
+    QI2CDevice *i2cdev = (QI2CDevice *)obj;
+    I2CAdapter *i2c = i2cdev->bus;
     uint8_t value;
 
     value = i2c_get8(i2c, PCA9552_TEST_ADDR, PCA9552_LS0);
@@ -76,27 +81,16 @@ static void send_and_receive(void)
     g_assert_cmphex(value, ==, 0x10);
 }
 
-int main(int argc, char **argv)
+static void pca9552_register_nodes(void)
 {
-    QTestState *s = NULL;
+    QOSGraphEdgeOptions opts = {
-    int ret;
+        .extra_device_opts = "address=0x60"
+    };
 
-    g_test_init(&argc, &argv, NULL);
+    qos_node_create_driver("pca9552", i2c_device_create);
+    qos_node_consumes("pca9552", "i2c-bus", &opts);
 
-    s = qtest_start("-machine n800 "
+    qos_add_test("tx-rx", "pca9552", send_and_receive, NULL);
-                    "-device pca9552,bus=i2c-bus.0,id=" PCA9552_TEST_ID
+    qos_add_test("rx-autoinc", "pca9552", receive_autoinc, NULL);
-                    ",address=0x60");
-    i2c = omap_i2c_create(s, OMAP2_I2C_1_BASE);
-
-    qtest_add_func("/pca9552/tx-rx", send_and_receive);
-    qtest_add_func("/pca9552/rx-autoinc", receive_autoinc);
-
-    ret = g_test_run();
-
-    if (s) {
-        qtest_quit(s);
-    }
-    omap_i2c_free(i2c);
-
-    return ret;
 }
+libqos_init(pca9552_register_nodes);

tests/tmp105-test.c

@@ -10,6 +10,7 @@
 #include "qemu/osdep.h"
 
 #include "libqtest.h"
+#include "libqos/qgraph.h"
 #include "libqos/i2c.h"
 #include "qapi/qmp/qdict.h"
 #include "hw/misc/tmp105_regs.h"
@@ -17,8 +18,6 @@
 #define TMP105_TEST_ID   "tmp105-test"
 #define TMP105_TEST_ADDR 0x49
 
-static I2CAdapter *i2c;
-
 static int qmp_tmp105_get_temperature(const char *id)
 {
     QDict *response;
@@ -43,9 +42,11 @@ static void qmp_tmp105_set_temperature(const char *id, int value)
 }
 
 #define TMP105_PRECISION (1000/16)
-static void send_and_receive(void)
+static void send_and_receive(void *obj, void *data, QGuestAllocator *alloc)
 {
     uint16_t value;
+    QI2CDevice *i2cdev = (QI2CDevice *)obj;
+    I2CAdapter *i2c = i2cdev->bus;
 
     value = qmp_tmp105_get_temperature(TMP105_TEST_ID);
     g_assert_cmpuint(value, ==, 0);
@@ -105,24 +106,15 @@ static void send_and_receive(void)
     g_assert_cmphex(i2c_get16(i2c, TMP105_TEST_ADDR, TMP105_REG_T_HIGH), ==, 0x4231);
 }
 
-int main(int argc, char **argv)
+static void tmp105_register_nodes(void)
 {
-    QTestState *s = NULL;
+    QOSGraphEdgeOptions opts = {
-    int ret;
+        .extra_device_opts = "id=" TMP105_TEST_ID ",address=0x49"
+    };
 
-    g_test_init(&argc, &argv, NULL);
+    qos_node_create_driver("tmp105", i2c_device_create);
+    qos_node_consumes("tmp105", "i2c-bus", &opts);
 
-    s = qtest_start("-machine n800 "
+    qos_add_test("tx-rx", "tmp105", send_and_receive, NULL);
-                    "-device tmp105,bus=i2c-bus.0,id=" TMP105_TEST_ID
-                    ",address=0x49");
-    i2c = omap_i2c_create(s, OMAP2_I2C_1_BASE);
-
-    qtest_add_func("/tmp105/tx-rx", send_and_receive);
-
-    ret = g_test_run();
-
-    qtest_quit(s);
-    omap_i2c_free(i2c);
-
-    return ret;
 }
+libqos_init(tmp105_register_nodes);