migration: do cleanup operation after completion
[kvmfornfv.git] / qemu / tests / q35-test.c
1 /*
2  * QTest testcase for Q35 northbridge
3  *
4  * Copyright (c) 2015 Red Hat, Inc.
5  *
6  * Author: Gerd Hoffmann <kraxel@redhat.com>
7  *
8  * This work is licensed under the terms of the GNU GPL, version 2 or later.
9  * See the COPYING file in the top-level directory.
10  */
11
12 #include <glib.h>
13 #include <string.h>
14 #include "libqtest.h"
15 #include "libqos/pci.h"
16 #include "libqos/pci-pc.h"
17 #include "qemu/osdep.h"
18 #include "hw/pci-host/q35.h"
19
20 static void smram_set_bit(QPCIDevice *pcidev, uint8_t mask, bool enabled)
21 {
22     uint8_t smram;
23
24     smram = qpci_config_readb(pcidev, MCH_HOST_BRIDGE_SMRAM);
25     if (enabled) {
26         smram |= mask;
27     } else {
28         smram &= ~mask;
29     }
30     qpci_config_writeb(pcidev, MCH_HOST_BRIDGE_SMRAM, smram);
31 }
32
33 static bool smram_test_bit(QPCIDevice *pcidev, uint8_t mask)
34 {
35     uint8_t smram;
36
37     smram = qpci_config_readb(pcidev, MCH_HOST_BRIDGE_SMRAM);
38     return smram & mask;
39 }
40
41 static void test_smram_lock(void)
42 {
43     QPCIBus *pcibus;
44     QPCIDevice *pcidev;
45     QDict *response;
46
47     pcibus = qpci_init_pc();
48     g_assert(pcibus != NULL);
49
50     pcidev = qpci_device_find(pcibus, 0);
51     g_assert(pcidev != NULL);
52
53     /* check open is settable */
54     smram_set_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN, false);
55     g_assert(smram_test_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN) == false);
56     smram_set_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN, true);
57     g_assert(smram_test_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN) == true);
58
59     /* lock, check open is cleared & not settable */
60     smram_set_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_LCK, true);
61     g_assert(smram_test_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN) == false);
62     smram_set_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN, true);
63     g_assert(smram_test_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN) == false);
64
65     /* reset */
66     response = qmp("{'execute': 'system_reset', 'arguments': {} }");
67     g_assert(response);
68     g_assert(!qdict_haskey(response, "error"));
69     QDECREF(response);
70
71     /* check open is settable again */
72     smram_set_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN, false);
73     g_assert(smram_test_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN) == false);
74     smram_set_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN, true);
75     g_assert(smram_test_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN) == true);
76 }
77
78 int main(int argc, char **argv)
79 {
80     int ret;
81
82     g_test_init(&argc, &argv, NULL);
83
84     qtest_add_func("/q35/smram/lock", test_smram_lock);
85
86     qtest_start("-M q35");
87     ret = g_test_run();
88     qtest_end();
89
90     return ret;
91 }