1 /*
2  * QTest testcase for USB EHCI
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-single.h"
12 #include "libqos/pci-pc.h"
13 #include "hw/usb/uhci-regs.h"
14 #include "hw/usb/ehci-regs.h"
15 #include "libqos/usb.h"
16 
17 static QPCIBus *pcibus;
18 static struct qhc uhci1;
19 static struct qhc uhci2;
20 static struct qhc uhci3;
21 static struct qhc ehci1;
22 
23 /* helpers */
24 
25 #if 0
26 static void uhci_port_update(struct qhc *hc, int port,
27                              uint16_t set, uint16_t clear)
28 {
29     void *addr = hc->base + 0x10 + 2 * port;
30     uint16_t value;
31 
32     value = qpci_io_readw(hc->dev, addr);
33     value |= set;
34     value &= ~clear;
35     qpci_io_writew(hc->dev, addr, value);
36 }
37 #endif
38 
39 static void ehci_port_test(struct qhc *hc, int port, uint32_t expect)
40 {
41     uint32_t value = qpci_io_readl(hc->dev, hc->bar, 0x64 + 4 * port);
42     uint16_t mask = ~(PORTSC_CSC | PORTSC_PEDC | PORTSC_OCC);
43 
44 #if 0
45     fprintf(stderr, "%s: %d, have 0x%08x, want 0x%08x\n",
46             __func__, port, value & mask, expect & mask);
47 #endif
48     g_assert((value & mask) == (expect & mask));
49 }
50 
51 /* tests */
52 
53 static void test_init(void)
54 {
55     pcibus = qpci_new_pc(global_qtest, NULL);
56     g_assert(pcibus != NULL);
57 
58     qusb_pci_init_one(pcibus, &uhci1, QPCI_DEVFN(0x1d, 0), 4);
59     qusb_pci_init_one(pcibus, &uhci2, QPCI_DEVFN(0x1d, 1), 4);
60     qusb_pci_init_one(pcibus, &uhci3, QPCI_DEVFN(0x1d, 2), 4);
61     qusb_pci_init_one(pcibus, &ehci1, QPCI_DEVFN(0x1d, 7), 0);
62 }
63 
64 static void test_deinit(void)
65 {
66     uhci_deinit(&uhci1);
67     uhci_deinit(&uhci2);
68     uhci_deinit(&uhci3);
69     uhci_deinit(&ehci1);
70     qpci_free_pc(pcibus);
71 }
72 
73 static void pci_uhci_port_1(void)
74 {
75     g_assert(pcibus != NULL);
76 
77     uhci_port_test(&uhci1, 0, UHCI_PORT_CCS); /* usb-tablet  */
78     uhci_port_test(&uhci1, 1, UHCI_PORT_CCS); /* usb-storage */
79     uhci_port_test(&uhci2, 0, 0);
80     uhci_port_test(&uhci2, 1, 0);
81     uhci_port_test(&uhci3, 0, 0);
82     uhci_port_test(&uhci3, 1, 0);
83 }
84 
85 static void pci_ehci_port_1(void)
86 {
87     int i;
88 
89     g_assert(pcibus != NULL);
90 
91     for (i = 0; i < 6; i++) {
92         ehci_port_test(&ehci1, i, PORTSC_POWNER | PORTSC_PPOWER);
93     }
94 }
95 
96 static void pci_ehci_config(void)
97 {
98     /* hands over all ports from companion uhci to ehci */
99     qpci_io_writel(ehci1.dev, ehci1.bar, 0x60, 1);
100 }
101 
102 static void pci_uhci_port_2(void)
103 {
104     g_assert(pcibus != NULL);
105 
106     uhci_port_test(&uhci1, 0, 0); /* usb-tablet,  @ehci */
107     uhci_port_test(&uhci1, 1, 0); /* usb-storage, @ehci */
108     uhci_port_test(&uhci2, 0, 0);
109     uhci_port_test(&uhci2, 1, 0);
110     uhci_port_test(&uhci3, 0, 0);
111     uhci_port_test(&uhci3, 1, 0);
112 }
113 
114 static void pci_ehci_port_2(void)
115 {
116     static uint32_t expect[] = {
117         PORTSC_PPOWER | PORTSC_CONNECT, /* usb-tablet  */
118         PORTSC_PPOWER | PORTSC_CONNECT, /* usb-storage */
119         PORTSC_PPOWER,
120         PORTSC_PPOWER,
121         PORTSC_PPOWER,
122         PORTSC_PPOWER,
123     };
124     int i;
125 
126     g_assert(pcibus != NULL);
127 
128     for (i = 0; i < 6; i++) {
129         ehci_port_test(&ehci1, i, expect[i]);
130     }
131 }
132 
133 static void pci_ehci_port_3_hotplug(void)
134 {
135     /* check for presence of hotplugged usb-tablet */
136     g_assert(pcibus != NULL);
137     ehci_port_test(&ehci1, 2, PORTSC_PPOWER | PORTSC_CONNECT);
138 }
139 
140 static void pci_ehci_port_hotplug(void)
141 {
142     usb_test_hotplug(global_qtest, "ich9-ehci-1", "3", pci_ehci_port_3_hotplug);
143 }
144 
145 
146 int main(int argc, char **argv)
147 {
148     int ret;
149 
150     g_test_init(&argc, &argv, NULL);
151 
152     qtest_add_func("/ehci/pci/uhci-port-1", pci_uhci_port_1);
153     qtest_add_func("/ehci/pci/ehci-port-1", pci_ehci_port_1);
154     qtest_add_func("/ehci/pci/ehci-config", pci_ehci_config);
155     qtest_add_func("/ehci/pci/uhci-port-2", pci_uhci_port_2);
156     qtest_add_func("/ehci/pci/ehci-port-2", pci_ehci_port_2);
157     qtest_add_func("/ehci/pci/ehci-port-3-hotplug", pci_ehci_port_hotplug);
158 
159     qtest_start("-machine q35 -device ich9-usb-ehci1,bus=pcie.0,addr=1d.7,"
160                 "multifunction=on,id=ich9-ehci-1 "
161                 "-device ich9-usb-uhci1,bus=pcie.0,addr=1d.0,"
162                 "multifunction=on,masterbus=ich9-ehci-1.0,firstport=0 "
163                 "-device ich9-usb-uhci2,bus=pcie.0,addr=1d.1,"
164                 "multifunction=on,masterbus=ich9-ehci-1.0,firstport=2 "
165                 "-device ich9-usb-uhci3,bus=pcie.0,addr=1d.2,"
166                 "multifunction=on,masterbus=ich9-ehci-1.0,firstport=4 "
167                 "-drive if=none,id=usbcdrom,media=cdrom "
168                 "-device usb-tablet,bus=ich9-ehci-1.0,port=1,usb_version=1 "
169                 "-device usb-storage,bus=ich9-ehci-1.0,port=2,drive=usbcdrom ");
170 
171     test_init();
172     ret = g_test_run();
173     test_deinit();
174 
175     qtest_end();
176 
177     return ret;
178 }
179