These changes are the raw update to qemu-2.6.
[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 "qemu/osdep.h"
13 #include <glib.h>
14 #include "libqtest.h"
15 #include "libqos/pci.h"
16 #include "libqos/pci-pc.h"
17 #include "hw/pci-host/q35.h"
18
19 static void smram_set_bit(QPCIDevice *pcidev, uint8_t mask, bool enabled)
20 {
21     uint8_t smram;
22
23     smram = qpci_config_readb(pcidev, MCH_HOST_BRIDGE_SMRAM);
24     if (enabled) {
25         smram |= mask;
26     } else {
27         smram &= ~mask;
28     }
29     qpci_config_writeb(pcidev, MCH_HOST_BRIDGE_SMRAM, smram);
30 }
31
32 static bool smram_test_bit(QPCIDevice *pcidev, uint8_t mask)
33 {
34     uint8_t smram;
35
36     smram = qpci_config_readb(pcidev, MCH_HOST_BRIDGE_SMRAM);
37     return smram & mask;
38 }
39
40 static void test_smram_lock(void)
41 {
42     QPCIBus *pcibus;
43     QPCIDevice *pcidev;
44     QDict *response;
45
46     pcibus = qpci_init_pc();
47     g_assert(pcibus != NULL);
48
49     pcidev = qpci_device_find(pcibus, 0);
50     g_assert(pcidev != NULL);
51
52     /* check open is settable */
53     smram_set_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN, false);
54     g_assert(smram_test_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN) == false);
55     smram_set_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN, true);
56     g_assert(smram_test_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN) == true);
57
58     /* lock, check open is cleared & not settable */
59     smram_set_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_LCK, true);
60     g_assert(smram_test_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN) == false);
61     smram_set_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN, true);
62     g_assert(smram_test_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN) == false);
63
64     /* reset */
65     response = qmp("{'execute': 'system_reset', 'arguments': {} }");
66     g_assert(response);
67     g_assert(!qdict_haskey(response, "error"));
68     QDECREF(response);
69
70     /* check open is settable again */
71     smram_set_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN, false);
72     g_assert(smram_test_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN) == false);
73     smram_set_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN, true);
74     g_assert(smram_test_bit(pcidev, MCH_HOST_BRIDGE_SMRAM_D_OPEN) == true);
75 }
76
77 int main(int argc, char **argv)
78 {
79     int ret;
80
81     g_test_init(&argc, &argv, NULL);
82
83     qtest_add_func("/q35/smram/lock", test_smram_lock);
84
85     qtest_start("-M q35");
86     ret = g_test_run();
87     qtest_end();
88
89     return ret;
90 }