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git.proxmox.com Git - qemu.git/blob - tests/libqtest.c
4 * Copyright IBM, Corp. 2012
5 * Copyright Red Hat, Inc. 2012
8 * Anthony Liguori <aliguori@us.ibm.com>
9 * Paolo Bonzini <pbonzini@redhat.com>
11 * This work is licensed under the terms of the GNU GPL, version 2 or later.
12 * See the COPYING file in the top-level directory.
18 #include <sys/types.h>
19 #include <sys/socket.h>
34 QTestState
*global_qtest
;
40 bool irq_level
[MAX_IRQ
];
45 #define g_assert_no_errno(ret) do { \
46 g_assert_cmpint(ret, !=, -1); \
49 static int init_socket(const char *socket_path
)
51 struct sockaddr_un addr
;
55 sock
= socket(PF_UNIX
, SOCK_STREAM
, 0);
56 g_assert_no_errno(sock
);
58 addr
.sun_family
= AF_UNIX
;
59 snprintf(addr
.sun_path
, sizeof(addr
.sun_path
), "%s", socket_path
);
60 qemu_set_cloexec(sock
);
63 ret
= bind(sock
, (struct sockaddr
*)&addr
, sizeof(addr
));
64 } while (ret
== -1 && errno
== EINTR
);
65 g_assert_no_errno(ret
);
71 static int socket_accept(int sock
)
73 struct sockaddr_un addr
;
77 addrlen
= sizeof(addr
);
79 ret
= accept(sock
, (struct sockaddr
*)&addr
, &addrlen
);
80 } while (ret
== -1 && errno
== EINTR
);
81 g_assert_no_errno(ret
);
87 QTestState
*qtest_init(const char *extra_args
)
90 int sock
, qmpsock
, ret
, i
;
92 gchar
*qmp_socket_path
;
95 const char *qemu_binary
;
98 qemu_binary
= getenv("QTEST_QEMU_BINARY");
99 g_assert(qemu_binary
!= NULL
);
101 socket_path
= g_strdup_printf("/tmp/qtest-%d.sock", getpid());
102 qmp_socket_path
= g_strdup_printf("/tmp/qtest-%d.qmp", getpid());
103 pid_file
= g_strdup_printf("/tmp/qtest-%d.pid", getpid());
105 s
= g_malloc(sizeof(*s
));
107 sock
= init_socket(socket_path
);
108 qmpsock
= init_socket(qmp_socket_path
);
112 command
= g_strdup_printf("%s "
113 "-qtest unix:%s,nowait "
114 "-qtest-log /dev/null "
115 "-qmp unix:%s,nowait "
117 "-machine accel=qtest "
118 "%s", qemu_binary
, socket_path
,
119 qmp_socket_path
, pid_file
,
122 ret
= system(command
);
127 s
->fd
= socket_accept(sock
);
128 s
->qmp_fd
= socket_accept(qmpsock
);
130 s
->rx
= g_string_new("");
131 s
->pid_file
= pid_file
;
132 for (i
= 0; i
< MAX_IRQ
; i
++) {
133 s
->irq_level
[i
] = false;
137 g_free(qmp_socket_path
);
139 /* Read the QMP greeting and then do the handshake */
141 qtest_qmp(s
, "{ 'execute': 'qmp_capabilities' }");
146 void qtest_quit(QTestState
*s
)
151 f
= fopen(s
->pid_file
, "r");
153 if (fgets(buffer
, sizeof(buffer
), f
)) {
154 pid_t pid
= atoi(buffer
);
158 waitpid(pid
, &status
, 0);
165 static void socket_sendf(int fd
, const char *fmt
, va_list ap
)
170 str
= g_strdup_vprintf(fmt
, ap
);
174 while (offset
< size
) {
177 len
= write(fd
, str
+ offset
, size
- offset
);
178 if (len
== -1 && errno
== EINTR
) {
182 g_assert_no_errno(len
);
183 g_assert_cmpint(len
, >, 0);
189 static void GCC_FMT_ATTR(2, 3) qtest_sendf(QTestState
*s
, const char *fmt
, ...)
194 socket_sendf(s
->fd
, fmt
, ap
);
198 static GString
*qtest_recv_line(QTestState
*s
)
204 while ((eol
= strchr(s
->rx
->str
, '\n')) == NULL
) {
208 len
= read(s
->fd
, buffer
, sizeof(buffer
));
209 if (len
== -1 && errno
== EINTR
) {
213 if (len
== -1 || len
== 0) {
214 fprintf(stderr
, "Broken pipe\n");
218 g_string_append_len(s
->rx
, buffer
, len
);
221 offset
= eol
- s
->rx
->str
;
222 line
= g_string_new_len(s
->rx
->str
, offset
);
223 g_string_erase(s
->rx
, 0, offset
+ 1);
228 static gchar
**qtest_rsp(QTestState
*s
, int expected_args
)
235 line
= qtest_recv_line(s
);
236 words
= g_strsplit(line
->str
, " ", 0);
237 g_string_free(line
, TRUE
);
239 if (strcmp(words
[0], "IRQ") == 0) {
242 g_assert(words
[1] != NULL
);
243 g_assert(words
[2] != NULL
);
245 irq
= strtoul(words
[2], NULL
, 0);
246 g_assert_cmpint(irq
, >=, 0);
247 g_assert_cmpint(irq
, <, MAX_IRQ
);
249 if (strcmp(words
[1], "raise") == 0) {
250 s
->irq_level
[irq
] = true;
252 s
->irq_level
[irq
] = false;
259 g_assert(words
[0] != NULL
);
260 g_assert_cmpstr(words
[0], ==, "OK");
263 for (i
= 0; i
< expected_args
; i
++) {
264 g_assert(words
[i
] != NULL
);
273 void qtest_qmp(QTestState
*s
, const char *fmt
, ...)
276 bool has_reply
= false;
279 /* Send QMP request */
281 socket_sendf(s
->qmp_fd
, fmt
, ap
);
285 while (!has_reply
|| nesting
> 0) {
289 len
= read(s
->qmp_fd
, &c
, 1);
290 if (len
== -1 && errno
== EINTR
) {
306 const char *qtest_get_arch(void)
308 const char *qemu
= getenv("QTEST_QEMU_BINARY");
309 const char *end
= strrchr(qemu
, '/');
311 return end
+ strlen("/qemu-system-");
314 bool qtest_get_irq(QTestState
*s
, int num
)
316 /* dummy operation in order to make sure irq is up to date */
319 return s
->irq_level
[num
];
322 static int64_t qtest_clock_rsp(QTestState
*s
)
326 words
= qtest_rsp(s
, 2);
327 clock
= g_ascii_strtoll(words
[1], NULL
, 0);
332 int64_t qtest_clock_step_next(QTestState
*s
)
334 qtest_sendf(s
, "clock_step\n");
335 return qtest_clock_rsp(s
);
338 int64_t qtest_clock_step(QTestState
*s
, int64_t step
)
340 qtest_sendf(s
, "clock_step %"PRIi64
"\n", step
);
341 return qtest_clock_rsp(s
);
344 int64_t qtest_clock_set(QTestState
*s
, int64_t val
)
346 qtest_sendf(s
, "clock_set %"PRIi64
"\n", val
);
347 return qtest_clock_rsp(s
);
350 void qtest_irq_intercept_out(QTestState
*s
, const char *qom_path
)
352 qtest_sendf(s
, "irq_intercept_out %s\n", qom_path
);
356 void qtest_irq_intercept_in(QTestState
*s
, const char *qom_path
)
358 qtest_sendf(s
, "irq_intercept_in %s\n", qom_path
);
362 static void qtest_out(QTestState
*s
, const char *cmd
, uint16_t addr
, uint32_t value
)
364 qtest_sendf(s
, "%s 0x%x 0x%x\n", cmd
, addr
, value
);
368 void qtest_outb(QTestState
*s
, uint16_t addr
, uint8_t value
)
370 qtest_out(s
, "outb", addr
, value
);
373 void qtest_outw(QTestState
*s
, uint16_t addr
, uint16_t value
)
375 qtest_out(s
, "outw", addr
, value
);
378 void qtest_outl(QTestState
*s
, uint16_t addr
, uint32_t value
)
380 qtest_out(s
, "outl", addr
, value
);
383 static uint32_t qtest_in(QTestState
*s
, const char *cmd
, uint16_t addr
)
388 qtest_sendf(s
, "%s 0x%x\n", cmd
, addr
);
389 args
= qtest_rsp(s
, 2);
390 value
= strtoul(args
[1], NULL
, 0);
396 uint8_t qtest_inb(QTestState
*s
, uint16_t addr
)
398 return qtest_in(s
, "inb", addr
);
401 uint16_t qtest_inw(QTestState
*s
, uint16_t addr
)
403 return qtest_in(s
, "inw", addr
);
406 uint32_t qtest_inl(QTestState
*s
, uint16_t addr
)
408 return qtest_in(s
, "inl", addr
);
411 static int hex2nib(char ch
)
413 if (ch
>= '0' && ch
<= '9') {
415 } else if (ch
>= 'a' && ch
<= 'f') {
416 return 10 + (ch
- 'a');
417 } else if (ch
>= 'A' && ch
<= 'F') {
418 return 10 + (ch
- 'a');
424 void qtest_memread(QTestState
*s
, uint64_t addr
, void *data
, size_t size
)
430 qtest_sendf(s
, "read 0x%" PRIx64
" 0x%zx\n", addr
, size
);
431 args
= qtest_rsp(s
, 2);
433 for (i
= 0; i
< size
; i
++) {
434 ptr
[i
] = hex2nib(args
[1][2 + (i
* 2)]) << 4;
435 ptr
[i
] |= hex2nib(args
[1][2 + (i
* 2) + 1]);
441 void qtest_add_func(const char *str
, void (*fn
))
443 gchar
*path
= g_strdup_printf("/%s/%s", qtest_get_arch(), str
);
444 g_test_add_func(path
, fn
);
447 void qtest_memwrite(QTestState
*s
, uint64_t addr
, const void *data
, size_t size
)
449 const uint8_t *ptr
= data
;
452 qtest_sendf(s
, "write 0x%" PRIx64
" 0x%zx 0x", addr
, size
);
453 for (i
= 0; i
< size
; i
++) {
454 qtest_sendf(s
, "%02x", ptr
[i
]);
456 qtest_sendf(s
, "\n");