4 * Copyright IBM, Corp. 2012
5 * Copyright Red Hat, Inc. 2012
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");