*
* Copyright IBM, Corp. 2012
* Copyright Red Hat, Inc. 2012
+ * Copyright SUSE LINUX Products GmbH 2013
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
* Paolo Bonzini <pbonzini@redhat.com>
+ * Andreas Färber <afaerber@suse.de>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
#include <unistd.h>
#include <string.h>
-#include "compiler.h"
-#include "osdep.h"
+#include "qemu/compiler.h"
+#include "qemu/osdep.h"
+#include "qapi/qmp/json-streamer.h"
+#include "qapi/qmp/json-parser.h"
#define MAX_IRQ 256
struct QTestState
{
int fd;
+ int qmp_fd;
bool irq_level[MAX_IRQ];
GString *rx;
- gchar *pid_file;
+ gchar *pid_file; /* QEMU PID file */
+ int child_pid; /* Child process created to execute QEMU */
+ char *socket_path, *qmp_socket_path;
};
#define g_assert_no_errno(ret) do { \
g_assert_cmpint(ret, !=, -1); \
} while (0)
-QTestState *qtest_init(const char *extra_args)
+static int init_socket(const char *socket_path)
{
- QTestState *s;
struct sockaddr_un addr;
- int sock, ret, i;
- gchar *socket_path;
- gchar *pid_file;
- gchar *command;
- const char *qemu_binary;
- pid_t pid;
- socklen_t addrlen;
-
- qemu_binary = getenv("QTEST_QEMU_BINARY");
- g_assert(qemu_binary != NULL);
-
- socket_path = g_strdup_printf("/tmp/qtest-%d.sock", getpid());
- pid_file = g_strdup_printf("/tmp/qtest-%d.pid", getpid());
-
- s = g_malloc(sizeof(*s));
+ int sock;
+ int ret;
sock = socket(PF_UNIX, SOCK_STREAM, 0);
g_assert_no_errno(sock);
g_assert_no_errno(ret);
listen(sock, 1);
+ return sock;
+}
+
+static int socket_accept(int sock)
+{
+ struct sockaddr_un addr;
+ socklen_t addrlen;
+ int ret;
+
+ addrlen = sizeof(addr);
+ do {
+ ret = accept(sock, (struct sockaddr *)&addr, &addrlen);
+ } while (ret == -1 && errno == EINTR);
+ g_assert_no_errno(ret);
+ close(sock);
+
+ return ret;
+}
+
+static pid_t qtest_qemu_pid(QTestState *s)
+{
+ FILE *f;
+ char buffer[1024];
+ pid_t pid = -1;
+
+ f = fopen(s->pid_file, "r");
+ if (f) {
+ if (fgets(buffer, sizeof(buffer), f)) {
+ pid = atoi(buffer);
+ }
+ fclose(f);
+ }
+ return pid;
+}
+
+QTestState *qtest_init(const char *extra_args)
+{
+ QTestState *s;
+ int sock, qmpsock, i;
+ gchar *pid_file;
+ gchar *command;
+ const char *qemu_binary;
+ pid_t pid;
+
+ qemu_binary = getenv("QTEST_QEMU_BINARY");
+ g_assert(qemu_binary != NULL);
+
+ s = g_malloc(sizeof(*s));
+
+ s->socket_path = g_strdup_printf("/tmp/qtest-%d.sock", getpid());
+ s->qmp_socket_path = g_strdup_printf("/tmp/qtest-%d.qmp", getpid());
+ pid_file = g_strdup_printf("/tmp/qtest-%d.pid", getpid());
+
+ sock = init_socket(s->socket_path);
+ qmpsock = init_socket(s->qmp_socket_path);
+
pid = fork();
if (pid == 0) {
command = g_strdup_printf("%s "
"-qtest unix:%s,nowait "
"-qtest-log /dev/null "
+ "-qmp unix:%s,nowait "
"-pidfile %s "
"-machine accel=qtest "
- "%s", qemu_binary, socket_path,
- pid_file,
+ "-display none "
+ "%s", qemu_binary, s->socket_path,
+ s->qmp_socket_path, pid_file,
extra_args ?: "");
-
- ret = system(command);
- exit(ret);
- g_free(command);
+ execlp("/bin/sh", "sh", "-c", command, NULL);
+ exit(1);
}
- do {
- ret = accept(sock, (struct sockaddr *)&addr, &addrlen);
- } while (ret == -1 && errno == EINTR);
- g_assert_no_errno(ret);
- close(sock);
+ s->fd = socket_accept(sock);
+ s->qmp_fd = socket_accept(qmpsock);
- s->fd = ret;
s->rx = g_string_new("");
s->pid_file = pid_file;
+ s->child_pid = pid;
for (i = 0; i < MAX_IRQ; i++) {
s->irq_level[i] = false;
}
- g_free(socket_path);
+ /* Read the QMP greeting and then do the handshake */
+ qtest_qmp_discard_response(s, "");
+ qtest_qmp_discard_response(s, "{ 'execute': 'qmp_capabilities' }");
+
+ if (getenv("QTEST_STOP")) {
+ kill(qtest_qemu_pid(s), SIGSTOP);
+ }
return s;
}
void qtest_quit(QTestState *s)
{
- FILE *f;
- char buffer[1024];
-
- f = fopen(s->pid_file, "r");
- if (f) {
- if (fgets(buffer, sizeof(buffer), f)) {
- pid_t pid = atoi(buffer);
- int status = 0;
-
- kill(pid, SIGTERM);
- waitpid(pid, &status, 0);
- }
+ int status;
- fclose(f);
+ pid_t pid = qtest_qemu_pid(s);
+ if (pid != -1) {
+ kill(pid, SIGTERM);
+ waitpid(pid, &status, 0);
}
+
+ close(s->fd);
+ close(s->qmp_fd);
+ g_string_free(s->rx, true);
+ unlink(s->pid_file);
+ unlink(s->socket_path);
+ unlink(s->qmp_socket_path);
+ g_free(s->pid_file);
+ g_free(s->socket_path);
+ g_free(s->qmp_socket_path);
+ g_free(s);
}
-static void GCC_FMT_ATTR(2, 3) qtest_sendf(QTestState *s, const char *fmt, ...)
+static void socket_sendf(int fd, const char *fmt, va_list ap)
{
- va_list ap;
gchar *str;
size_t size, offset;
- va_start(ap, fmt);
str = g_strdup_vprintf(fmt, ap);
- va_end(ap);
size = strlen(str);
offset = 0;
while (offset < size) {
ssize_t len;
- len = write(s->fd, str + offset, size - offset);
+ len = write(fd, str + offset, size - offset);
if (len == -1 && errno == EINTR) {
continue;
}
}
}
+static void GCC_FMT_ATTR(2, 3) qtest_sendf(QTestState *s, const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ socket_sendf(s->fd, fmt, ap);
+ va_end(ap);
+}
+
static GString *qtest_recv_line(QTestState *s)
{
GString *line;
return words;
}
+typedef struct {
+ JSONMessageParser parser;
+ QDict *response;
+} QMPResponseParser;
+
+static void qmp_response(JSONMessageParser *parser, QList *tokens)
+{
+ QMPResponseParser *qmp = container_of(parser, QMPResponseParser, parser);
+ QObject *obj;
+
+ obj = json_parser_parse(tokens, NULL);
+ if (!obj) {
+ fprintf(stderr, "QMP JSON response parsing failed\n");
+ exit(1);
+ }
+
+ g_assert(qobject_type(obj) == QTYPE_QDICT);
+ g_assert(!qmp->response);
+ qmp->response = (QDict *)obj;
+}
+
+QDict *qtest_qmpv(QTestState *s, const char *fmt, va_list ap)
+{
+ QMPResponseParser qmp;
+
+ /* Send QMP request */
+ socket_sendf(s->qmp_fd, fmt, ap);
+
+ /* Receive reply */
+ qmp.response = NULL;
+ json_message_parser_init(&qmp.parser, qmp_response);
+ while (!qmp.response) {
+ ssize_t len;
+ char c;
+
+ len = read(s->qmp_fd, &c, 1);
+ if (len == -1 && errno == EINTR) {
+ continue;
+ }
+
+ if (len == -1 || len == 0) {
+ fprintf(stderr, "Broken pipe\n");
+ exit(1);
+ }
+
+ json_message_parser_feed(&qmp.parser, &c, 1);
+ }
+ json_message_parser_destroy(&qmp.parser);
+
+ return qmp.response;
+}
+
+QDict *qtest_qmp(QTestState *s, const char *fmt, ...)
+{
+ va_list ap;
+ QDict *response;
+
+ va_start(ap, fmt);
+ response = qtest_qmpv(s, fmt, ap);
+ va_end(ap);
+ return response;
+}
+
+void qtest_qmpv_discard_response(QTestState *s, const char *fmt, va_list ap)
+{
+ QDict *response = qtest_qmpv(s, fmt, ap);
+ QDECREF(response);
+}
+
+void qtest_qmp_discard_response(QTestState *s, const char *fmt, ...)
+{
+ va_list ap;
+ QDict *response;
+
+ va_start(ap, fmt);
+ response = qtest_qmpv(s, fmt, ap);
+ va_end(ap);
+ QDECREF(response);
+}
+
const char *qtest_get_arch(void)
{
const char *qemu = getenv("QTEST_QEMU_BINARY");
return qtest_in(s, "inl", addr);
}
+static void qtest_write(QTestState *s, const char *cmd, uint64_t addr,
+ uint64_t value)
+{
+ qtest_sendf(s, "%s 0x%" PRIx64 " 0x%" PRIx64 "\n", cmd, addr, value);
+ qtest_rsp(s, 0);
+}
+
+void qtest_writeb(QTestState *s, uint64_t addr, uint8_t value)
+{
+ qtest_write(s, "writeb", addr, value);
+}
+
+void qtest_writew(QTestState *s, uint64_t addr, uint16_t value)
+{
+ qtest_write(s, "writew", addr, value);
+}
+
+void qtest_writel(QTestState *s, uint64_t addr, uint32_t value)
+{
+ qtest_write(s, "writel", addr, value);
+}
+
+void qtest_writeq(QTestState *s, uint64_t addr, uint64_t value)
+{
+ qtest_write(s, "writeq", addr, value);
+}
+
+static uint64_t qtest_read(QTestState *s, const char *cmd, uint64_t addr)
+{
+ gchar **args;
+ uint64_t value;
+
+ qtest_sendf(s, "%s 0x%" PRIx64 "\n", cmd, addr);
+ args = qtest_rsp(s, 2);
+ value = strtoull(args[1], NULL, 0);
+ g_strfreev(args);
+
+ return value;
+}
+
+uint8_t qtest_readb(QTestState *s, uint64_t addr)
+{
+ return qtest_read(s, "readb", addr);
+}
+
+uint16_t qtest_readw(QTestState *s, uint64_t addr)
+{
+ return qtest_read(s, "readw", addr);
+}
+
+uint32_t qtest_readl(QTestState *s, uint64_t addr)
+{
+ return qtest_read(s, "readl", addr);
+}
+
+uint64_t qtest_readq(QTestState *s, uint64_t addr)
+{
+ return qtest_read(s, "readq", addr);
+}
+
static int hex2nib(char ch)
{
if (ch >= '0' && ch <= '9') {
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