ac97-test.c (1329B)
1 /* 2 * QTest testcase for AC97 3 * 4 * Copyright (c) 2014 SUSE LINUX Products GmbH 5 * 6 * This work is licensed under the terms of the GNU GPL, version 2 or later. 7 * See the COPYING file in the top-level directory. 8 */ 9 10 #include "qemu/osdep.h" 11 #include "libqtest.h" 12 #include "qemu/module.h" 13 #include "libqos/qgraph.h" 14 #include "libqos/pci.h" 15 16 typedef struct QAC97 QAC97; 17 18 struct QAC97 { 19 QOSGraphObject obj; 20 QPCIDevice dev; 21 }; 22 23 static void *ac97_get_driver(void *obj, const char *interface) 24 { 25 QAC97 *ac97 = obj; 26 27 if (!g_strcmp0(interface, "pci-device")) { 28 return &ac97->dev; 29 } 30 31 fprintf(stderr, "%s not present in ac97\n", interface); 32 g_assert_not_reached(); 33 } 34 35 static void *ac97_create(void *pci_bus, QGuestAllocator *alloc, void *addr) 36 { 37 QAC97 *ac97 = g_new0(QAC97, 1); 38 QPCIBus *bus = pci_bus; 39 40 qpci_device_init(&ac97->dev, bus, addr); 41 ac97->obj.get_driver = ac97_get_driver; 42 return &ac97->obj; 43 } 44 45 static void ac97_register_nodes(void) 46 { 47 QOSGraphEdgeOptions opts = { 48 .extra_device_opts = "addr=04.0", 49 }; 50 add_qpci_address(&opts, &(QPCIAddress) { .devfn = QPCI_DEVFN(4, 0) }); 51 52 qos_node_create_driver("AC97", ac97_create); 53 qos_node_produces("AC97", "pci-device"); 54 qos_node_consumes("AC97", "pci-bus", &opts); 55 } 56 57 libqos_init(ac97_register_nodes);