tests: usb: Move uhci port test code to libqos/usb.c

Move code necessary for testing uhci port into library
so it could be used by other USB tests.
Signed-off-by: NIgor Mammedov <imammedo@redhat.com>
Reviewed-by: NPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: NAndreas Färber <afaerber@suse.de>

tests/Makefile

@@ -301,6 +301,7 @@ libqos-pc-obj-y = $(libqos-obj-y) tests/libqos/pci-pc.o
 libqos-pc-obj-y += tests/libqos/malloc-pc.o
 libqos-omap-obj-y = $(libqos-obj-y) tests/libqos/i2c-omap.o
 libqos-virtio-obj-y = $(libqos-obj-y) $(libqos-pc-obj-y) tests/libqos/virtio.o tests/libqos/virtio-pci.o
+libqos-usb-obj-y = $(libqos-pc-obj-y) tests/libqos/usb.o
 
 tests/rtc-test$(EXESUF): tests/rtc-test.o
 tests/m48t59-test$(EXESUF): tests/m48t59-test.o
@@ -345,7 +346,7 @@ tests/intel-hda-test$(EXESUF): tests/intel-hda-test.o
 tests/ioh3420-test$(EXESUF): tests/ioh3420-test.o
 tests/usb-hcd-ohci-test$(EXESUF): tests/usb-hcd-ohci-test.o
 tests/usb-hcd-uhci-test$(EXESUF): tests/usb-hcd-uhci-test.o
-tests/usb-hcd-ehci-test$(EXESUF): tests/usb-hcd-ehci-test.o $(libqos-pc-obj-y)
+tests/usb-hcd-ehci-test$(EXESUF): tests/usb-hcd-ehci-test.o $(libqos-usb-obj-y)
 tests/usb-hcd-xhci-test$(EXESUF): tests/usb-hcd-xhci-test.o
 tests/vhost-user-test$(EXESUF): tests/vhost-user-test.o qemu-char.o qemu-timer.o $(qtest-obj-y)
 tests/qemu-iotests/socket_scm_helper$(EXESUF): tests/qemu-iotests/socket_scm_helper.o

tests/libqos/usb.c

+/*
+ * common code shared by usb tests
+ *
+ * Copyright (c) 2014 Red Hat, Inc
+ *
+ * Authors:
+ *     Gerd Hoffmann <kraxel@redhat.com>
+ *     John Snow <jsnow@redhat.com>
+ *     Igor Mammedov <imammedo@redhat.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 "libqtest.h"
+#include "qemu/osdep.h"
+#include "hw/usb/uhci-regs.h"
+#include "libqos/usb.h"
+
+void qusb_pci_init_one(QPCIBus *pcibus, struct qhc *hc, uint32_t devfn, int bar)
+{
+    hc->dev = qpci_device_find(pcibus, devfn);
+    g_assert(hc->dev != NULL);
+    qpci_device_enable(hc->dev);
+    hc->base = qpci_iomap(hc->dev, bar, NULL);
+    g_assert(hc->base != NULL);
+}
+
+void uhci_port_test(struct qhc *hc, int port, uint16_t expect)
+{
+    void *addr = hc->base + 0x10 + 2 * port;
+    uint16_t value = qpci_io_readw(hc->dev, addr);
+    uint16_t mask = ~(UHCI_PORT_WRITE_CLEAR | UHCI_PORT_RSVD1);
+
+    g_assert((value & mask) == (expect & mask));
+}

tests/libqos/usb.h

+#ifndef LIBQOS_USB_H
+#define LIBQOS_USB_H
+
+#include "libqos/pci-pc.h"
+
+struct qhc {
+    QPCIDevice *dev;
+    void *base;
+};
+
+void qusb_pci_init_one(QPCIBus *pcibus, struct qhc *hc,
+                       uint32_t devfn, int bar);
+void uhci_port_test(struct qhc *hc, int port, uint16_t expect);
+#endif

tests/usb-hcd-ehci-test.c

@@ -15,11 +15,7 @@
 #include "qemu/osdep.h"
 #include "hw/usb/uhci-regs.h"
 #include "hw/usb/ehci-regs.h"
-
-struct qhc {
-    QPCIDevice *dev;
-    void *base;
-};
+#include "libqos/usb.h"
 
 static QPCIBus *pcibus;
 static struct qhc uhci1;
@@ -29,15 +25,6 @@ static struct qhc ehci1;
 
 /* helpers */
 
-static void pci_init_one(struct qhc *hc, uint32_t devfn, int bar)
-{
-    hc->dev = qpci_device_find(pcibus, devfn);
-    g_assert(hc->dev != NULL);
-    qpci_device_enable(hc->dev);
-    hc->base = qpci_iomap(hc->dev, bar, NULL);
-    g_assert(hc->base != NULL);
-}
-
 #if 0
 static void uhci_port_update(struct qhc *hc, int port,
                              uint16_t set, uint16_t clear)
@@ -52,19 +39,6 @@ static void uhci_port_update(struct qhc *hc, int port,
 }
 #endif
 
-static void uhci_port_test(struct qhc *hc, int port, uint16_t expect)
-{
-    void *addr = hc->base + 0x10 + 2 * port;
-    uint16_t value = qpci_io_readw(hc->dev, addr);
-    uint16_t mask = ~(UHCI_PORT_WRITE_CLEAR | UHCI_PORT_RSVD1);
-
-#if 0
-    fprintf(stderr, "%s: %d, have 0x%04x, want 0x%04x\n",
-            __func__, port, value & mask, expect & mask);
-#endif
-    g_assert((value & mask) == (expect & mask));
-}
-
 static void ehci_port_test(struct qhc *hc, int port, uint32_t expect)
 {
     void *addr = hc->base + 0x64 + 4 * port;
@@ -88,10 +62,10 @@ static void pci_init(void)
     pcibus = qpci_init_pc();
     g_assert(pcibus != NULL);
 
-    pci_init_one(&uhci1, QPCI_DEVFN(0x1d, 0), 4);
-    pci_init_one(&uhci2, QPCI_DEVFN(0x1d, 1), 4);
-    pci_init_one(&uhci3, QPCI_DEVFN(0x1d, 2), 4);
-    pci_init_one(&ehci1, QPCI_DEVFN(0x1d, 7), 0);
+    qusb_pci_init_one(pcibus, &uhci1, QPCI_DEVFN(0x1d, 0), 4);
+    qusb_pci_init_one(pcibus, &uhci2, QPCI_DEVFN(0x1d, 1), 4);
+    qusb_pci_init_one(pcibus, &uhci3, QPCI_DEVFN(0x1d, 2), 4);
+    qusb_pci_init_one(pcibus, &ehci1, QPCI_DEVFN(0x1d, 7), 0);
 }
 
 static void pci_uhci_port_1(void)