1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <fcntl.h>
#include "testutils.h"
#ifdef WITH_QEMU
# include "datatypes.h"
# include "internal.h"
# include "virstring.h"
# include "conf/domain_conf.h"
# include "qemu/qemu_domain.h"
# include "testutilsqemu.h"
# define VIR_FROM_THIS VIR_FROM_QEMU
static const char *abs_top_srcdir;
static virQEMUDriver driver;
struct testInfo {
const char *name;
unsigned long long memlock;
};
static int
testCompareMemLock(const void *data)
{
const struct testInfo *info = data;
virDomainDefPtr def = NULL;
char *xml = NULL;
int ret = -1;
if (virAsprintf(&xml, "%s/qemumemlockdata/qemumemlock-%s.xml",
abs_srcdir, info->name) < 0)
goto cleanup;
if (!(def = virDomainDefParseFile(xml, driver.caps, driver.xmlopt, NULL,
VIR_DOMAIN_DEF_PARSE_INACTIVE))) {
goto cleanup;
}
ret = virTestCompareToULL(info->memlock, qemuDomainGetMemLockLimitBytes(def));
cleanup:
virDomainDefFree(def);
VIR_FREE(xml);
return ret;
}
# define FAKEROOTDIRTEMPLATE abs_builddir "/fakerootdir-XXXXXX"
static int
mymain(void)
{
int ret = 0;
char *fakerootdir;
virQEMUCapsPtr qemuCaps = NULL;
if (VIR_STRDUP_QUIET(fakerootdir, FAKEROOTDIRTEMPLATE) < 0) {
fprintf(stderr, "Out of memory\n");
abort();
}
if (!mkdtemp(fakerootdir)) {
fprintf(stderr, "Cannot create fakerootdir");
abort();
}
setenv("LIBVIRT_FAKE_ROOT_DIR", fakerootdir, 1);
abs_top_srcdir = getenv("abs_top_srcdir");
if (!abs_top_srcdir)
abs_top_srcdir = abs_srcdir "/..";
if (qemuTestDriverInit(&driver) < 0) {
VIR_FREE(fakerootdir);
return EXIT_FAILURE;
}
driver.privileged = true;
# define DO_TEST(name, memlock) \
do { \
static struct testInfo info = { \
name, memlock \
}; \
if (virTestRun("QEMU MEMLOCK " name, testCompareMemLock, &info) < 0) \
ret = -1; \
} while (0)
/* The tests below make sure that the memory locking limit is being
* calculated correctly in a number of situations. Each test is
* performed both on x86_64/pc and ppc64/pseries in order to account
* for some architecture-specific details.
*
* kvm: simple KMV guest
* tcg: simple TCG guest
*
* hardlimit: guest where <memtune><hard_limit> has been configured
* locked: guest where <memoryBacking><locked> has been enabled
* hostdev: guest that has some hostdev assigned
*
* The remaining tests cover different combinations of the above to
* ensure settings are prioritized as expected.
*/
qemuTestSetHostArch(driver.caps, VIR_ARCH_X86_64);
DO_TEST("pc-kvm", 0);
DO_TEST("pc-tcg", 0);
DO_TEST("pc-hardlimit", 2147483648);
DO_TEST("pc-locked", VIR_DOMAIN_MEMORY_PARAM_UNLIMITED);
DO_TEST("pc-hostdev", 2147483648);
DO_TEST("pc-hardlimit+locked", 2147483648);
DO_TEST("pc-hardlimit+hostdev", 2147483648);
DO_TEST("pc-hardlimit+locked+hostdev", 2147483648);
DO_TEST("pc-locked+hostdev", VIR_DOMAIN_MEMORY_PARAM_UNLIMITED);
qemuTestSetHostArch(driver.caps, VIR_ARCH_PPC64);
if (!(qemuCaps = virQEMUCapsNew())) {
ret = -1;
goto cleanup;
}
virQEMUCapsSet(qemuCaps, QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE);
if (qemuTestCapsCacheInsert(driver.qemuCapsCache, qemuCaps) < 0) {
ret = -1;
goto cleanup;
};
DO_TEST("pseries-kvm", 20971520);
DO_TEST("pseries-tcg", 0);
DO_TEST("pseries-hardlimit", 2147483648);
DO_TEST("pseries-locked", VIR_DOMAIN_MEMORY_PARAM_UNLIMITED);
DO_TEST("pseries-hostdev", 4320133120);
DO_TEST("pseries-hardlimit+locked", 2147483648);
DO_TEST("pseries-hardlimit+hostdev", 2147483648);
DO_TEST("pseries-hardlimit+locked+hostdev", 2147483648);
DO_TEST("pseries-locked+hostdev", VIR_DOMAIN_MEMORY_PARAM_UNLIMITED);
cleanup:
virObjectUnref(qemuCaps);
if (getenv("LIBVIRT_SKIP_CLEANUP") == NULL)
virFileDeleteTree(fakerootdir);
qemuTestDriverFree(&driver);
VIR_FREE(fakerootdir);
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}
VIR_TEST_MAIN_PRELOAD(mymain,
abs_builddir "/.libs/virpcimock.so")
#else
int
main(void)
{
return EXIT_AM_SKIP;
}
#endif /* WITH_QEMU */
|
