test: Move qtests to a separate directory

The tests directory itself is pretty overcrowded, and it's hard to
see which test belongs to which test subsystem (unit, qtest, ...).
Let's move the qtests to a separate folder for more clarity.

Message-Id: <20191218103059.11729-6-thuth@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

1 files changed, 0 insertions, 1339 deletions

diff --git a/tests/libqtest.c b/tests/libqtest.c
deleted file mode 100644
index 76c9f8eade..0000000000
--- a/tests/libqtest.c
+++ /dev/null
@@ -1,1339 +0,0 @@
-/*
- * QTest
- *
- * 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 "qemu/osdep.h"
-
-#include <sys/socket.h>
-#include <sys/wait.h>
-#include <sys/un.h>
-
-#include "libqtest.h"
-#include "qemu-common.h"
-#include "qemu/ctype.h"
-#include "qemu/cutils.h"
-#include "qapi/error.h"
-#include "qapi/qmp/json-parser.h"
-#include "qapi/qmp/qdict.h"
-#include "qapi/qmp/qjson.h"
-#include "qapi/qmp/qlist.h"
-#include "qapi/qmp/qstring.h"
-
-#define MAX_IRQ 256
-#define SOCKET_TIMEOUT 50
-#define SOCKET_MAX_FDS 16
-
-struct QTestState
-{
-    int fd;
-    int qmp_fd;
-    pid_t qemu_pid;  /* our child QEMU process */
-    int wstatus;
-    int expected_status;
-    bool big_endian;
-    bool irq_level[MAX_IRQ];
-    GString *rx;
-};
-
-static GHookList abrt_hooks;
-static struct sigaction sigact_old;
-
-static int qtest_query_target_endianness(QTestState *s);
-
-static int init_socket(const char *socket_path)
-{
-    struct sockaddr_un addr;
-    int sock;
-    int ret;
-
-    sock = socket(PF_UNIX, SOCK_STREAM, 0);
-    g_assert_cmpint(sock, !=, -1);
-
-    addr.sun_family = AF_UNIX;
-    snprintf(addr.sun_path, sizeof(addr.sun_path), "%s", socket_path);
-    qemu_set_cloexec(sock);
-
-    do {
-        ret = bind(sock, (struct sockaddr *)&addr, sizeof(addr));
-    } while (ret == -1 && errno == EINTR);
-    g_assert_cmpint(ret, !=, -1);
-    ret = listen(sock, 1);
-    g_assert_cmpint(ret, !=, -1);
-
-    return sock;
-}
-
-static int socket_accept(int sock)
-{
-    struct sockaddr_un addr;
-    socklen_t addrlen;
-    int ret;
-    struct timeval timeout = { .tv_sec = SOCKET_TIMEOUT,
-                               .tv_usec = 0 };
-
-    setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, (void *)&timeout,
-               sizeof(timeout));
-
-    do {
-        addrlen = sizeof(addr);
-        ret = accept(sock, (struct sockaddr *)&addr, &addrlen);
-    } while (ret == -1 && errno == EINTR);
-    if (ret == -1) {
-        fprintf(stderr, "%s failed: %s\n", __func__, strerror(errno));
-    }
-    close(sock);
-
-    return ret;
-}
-
-bool qtest_probe_child(QTestState *s)
-{
-    pid_t pid = s->qemu_pid;
-
-    if (pid != -1) {
-        pid = waitpid(pid, &s->wstatus, WNOHANG);
-        if (pid == 0) {
-            return true;
-        }
-        s->qemu_pid = -1;
-    }
-    return false;
-}
-
-void qtest_set_expected_status(QTestState *s, int status)
-{
-    s->expected_status = status;
-}
-
-static void kill_qemu(QTestState *s)
-{
-    pid_t pid = s->qemu_pid;
-    int wstatus;
-
-    /* Skip wait if qtest_probe_child already reaped.  */
-    if (pid != -1) {
-        kill(pid, SIGTERM);
-        TFR(pid = waitpid(s->qemu_pid, &s->wstatus, 0));
-        assert(pid == s->qemu_pid);
-    }
-
-    /*
-     * Check whether qemu exited with expected exit status; anything else is
-     * fishy and should be logged with as much detail as possible.
-     */
-    wstatus = s->wstatus;
-    if (WIFEXITED(wstatus) && WEXITSTATUS(wstatus) != s->expected_status) {
-        fprintf(stderr, "%s:%d: kill_qemu() tried to terminate QEMU "
-                "process but encountered exit status %d (expected %d)\n",
-                __FILE__, __LINE__, WEXITSTATUS(wstatus), s->expected_status);
-        abort();
-    } else if (WIFSIGNALED(wstatus)) {
-        int sig = WTERMSIG(wstatus);
-        const char *signame = strsignal(sig) ?: "unknown ???";
-        const char *dump = WCOREDUMP(wstatus) ? " (core dumped)" : "";
-
-        fprintf(stderr, "%s:%d: kill_qemu() detected QEMU death "
-                "from signal %d (%s)%s\n",
-                __FILE__, __LINE__, sig, signame, dump);
-        abort();
-    }
-}
-
-static void kill_qemu_hook_func(void *s)
-{
-    kill_qemu(s);
-}
-
-static void sigabrt_handler(int signo)
-{
-    g_hook_list_invoke(&abrt_hooks, FALSE);
-}
-
-static void setup_sigabrt_handler(void)
-{
-    struct sigaction sigact;
-
-    /* Catch SIGABRT to clean up on g_assert() failure */
-    sigact = (struct sigaction){
-        .sa_handler = sigabrt_handler,
-        .sa_flags = SA_RESETHAND,
-    };
-    sigemptyset(&sigact.sa_mask);
-    sigaction(SIGABRT, &sigact, &sigact_old);
-}
-
-static void cleanup_sigabrt_handler(void)
-{
-    sigaction(SIGABRT, &sigact_old, NULL);
-}
-
-void qtest_add_abrt_handler(GHookFunc fn, const void *data)
-{
-    GHook *hook;
-
-    /* Only install SIGABRT handler once */
-    if (!abrt_hooks.is_setup) {
-        g_hook_list_init(&abrt_hooks, sizeof(GHook));
-    }
-    setup_sigabrt_handler();
-
-    hook = g_hook_alloc(&abrt_hooks);
-    hook->func = fn;
-    hook->data = (void *)data;
-
-    g_hook_prepend(&abrt_hooks, hook);
-}
-
-static const char *qtest_qemu_binary(void)
-{
-    const char *qemu_bin;
-
-    qemu_bin = getenv("QTEST_QEMU_BINARY");
-    if (!qemu_bin) {
-        fprintf(stderr, "Environment variable QTEST_QEMU_BINARY required\n");
-        exit(1);
-    }
-
-    return qemu_bin;
-}
-
-QTestState *qtest_init_without_qmp_handshake(const char *extra_args)
-{
-    QTestState *s;
-    int sock, qmpsock, i;
-    gchar *socket_path;
-    gchar *qmp_socket_path;
-    gchar *command;
-    const char *qemu_binary = qtest_qemu_binary();
-
-    s = g_new(QTestState, 1);
-
-    socket_path = g_strdup_printf("/tmp/qtest-%d.sock", getpid());
-    qmp_socket_path = g_strdup_printf("/tmp/qtest-%d.qmp", getpid());
-
-    /* It's possible that if an earlier test run crashed it might
-     * have left a stale unix socket lying around. Delete any
-     * stale old socket to avoid spurious test failures with
-     * tests/libqtest.c:70:init_socket: assertion failed (ret != -1): (-1 != -1)
-     */
-    unlink(socket_path);
-    unlink(qmp_socket_path);
-
-    sock = init_socket(socket_path);
-    qmpsock = init_socket(qmp_socket_path);
-
-    qtest_add_abrt_handler(kill_qemu_hook_func, s);
-
-    command = g_strdup_printf("exec %s "
-                              "-qtest unix:%s "
-                              "-qtest-log %s "
-                              "-chardev socket,path=%s,id=char0 "
-                              "-mon chardev=char0,mode=control "
-                              "-display none "
-                              "%s"
-                              " -accel qtest", qemu_binary, socket_path,
-                              getenv("QTEST_LOG") ? "/dev/fd/2" : "/dev/null",
-                              qmp_socket_path,
-                              extra_args ?: "");
-
-    g_test_message("starting QEMU: %s", command);
-
-    s->wstatus = 0;
-    s->expected_status = 0;
-    s->qemu_pid = fork();
-    if (s->qemu_pid == 0) {
-        g_setenv("QEMU_AUDIO_DRV", "none", true);
-        execlp("/bin/sh", "sh", "-c", command, NULL);
-        exit(1);
-    }
-
-    g_free(command);
-    s->fd = socket_accept(sock);
-    if (s->fd >= 0) {
-        s->qmp_fd = socket_accept(qmpsock);
-    }
-    unlink(socket_path);
-    unlink(qmp_socket_path);
-    g_free(socket_path);
-    g_free(qmp_socket_path);
-
-    g_assert(s->fd >= 0 && s->qmp_fd >= 0);
-
-    s->rx = g_string_new("");
-    for (i = 0; i < MAX_IRQ; i++) {
-        s->irq_level[i] = false;
-    }
-
-    if (getenv("QTEST_STOP")) {
-        kill(s->qemu_pid, SIGSTOP);
-    }
-
-    /* ask endianness of the target */
-
-    s->big_endian = qtest_query_target_endianness(s);
-
-    return s;
-}
-
-QTestState *qtest_init(const char *extra_args)
-{
-    QTestState *s = qtest_init_without_qmp_handshake(extra_args);
-    QDict *greeting;
-
-    /* Read the QMP greeting and then do the handshake */
-    greeting = qtest_qmp_receive(s);
-    qobject_unref(greeting);
-    qobject_unref(qtest_qmp(s, "{ 'execute': 'qmp_capabilities' }"));
-
-    return s;
-}
-
-QTestState *qtest_vinitf(const char *fmt, va_list ap)
-{
-    char *args = g_strdup_vprintf(fmt, ap);
-    QTestState *s;
-
-    s = qtest_init(args);
-    g_free(args);
-    return s;
-}
-
-QTestState *qtest_initf(const char *fmt, ...)
-{
-    va_list ap;
-    QTestState *s;
-
-    va_start(ap, fmt);
-    s = qtest_vinitf(fmt, ap);
-    va_end(ap);
-    return s;
-}
-
-QTestState *qtest_init_with_serial(const char *extra_args, int *sock_fd)
-{
-    int sock_fd_init;
-    char *sock_path, sock_dir[] = "/tmp/qtest-serial-XXXXXX";
-    QTestState *qts;
-
-    g_assert_true(mkdtemp(sock_dir) != NULL);
-    sock_path = g_strdup_printf("%s/sock", sock_dir);
-
-    sock_fd_init = init_socket(sock_path);
-
-    qts = qtest_initf("-chardev socket,id=s0,path=%s -serial chardev:s0 %s",
-                      sock_path, extra_args);
-
-    *sock_fd = socket_accept(sock_fd_init);
-
-    unlink(sock_path);
-    g_free(sock_path);
-    rmdir(sock_dir);
-
-    g_assert_true(*sock_fd >= 0);
-
-    return qts;
-}
-
-void qtest_quit(QTestState *s)
-{
-    g_hook_destroy_link(&abrt_hooks, g_hook_find_data(&abrt_hooks, TRUE, s));
-
-    /* Uninstall SIGABRT handler on last instance */
-    cleanup_sigabrt_handler();
-
-    kill_qemu(s);
-    close(s->fd);
-    close(s->qmp_fd);
-    g_string_free(s->rx, true);
-    g_free(s);
-}
-
-static void socket_send(int fd, const char *buf, size_t size)
-{
-    size_t offset;
-
-    offset = 0;
-    while (offset < size) {
-        ssize_t len;
-
-        len = write(fd, buf + offset, size - offset);
-        if (len == -1 && errno == EINTR) {
-            continue;
-        }
-
-        g_assert_cmpint(len, >, 0);
-
-        offset += len;
-    }
-}
-
-static void socket_sendf(int fd, const char *fmt, va_list ap)
-{
-    gchar *str = g_strdup_vprintf(fmt, ap);
-    size_t size = strlen(str);
-
-    socket_send(fd, str, size);
-    g_free(str);
-}
-
-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);
-}
-
-/* Sends a message and file descriptors to the socket.
- * It's needed for qmp-commands like getfd/add-fd */
-static void socket_send_fds(int socket_fd, int *fds, size_t fds_num,
-                            const char *buf, size_t buf_size)
-{
-    ssize_t ret;
-    struct msghdr msg = { 0 };
-    char control[CMSG_SPACE(sizeof(int) * SOCKET_MAX_FDS)] = { 0 };
-    size_t fdsize = sizeof(int) * fds_num;
-    struct cmsghdr *cmsg;
-    struct iovec iov = { .iov_base = (char *)buf, .iov_len = buf_size };
-
-    msg.msg_iov = &iov;
-    msg.msg_iovlen = 1;
-
-    if (fds && fds_num > 0) {
-        g_assert_cmpuint(fds_num, <, SOCKET_MAX_FDS);
-
-        msg.msg_control = control;
-        msg.msg_controllen = CMSG_SPACE(fdsize);
-
-        cmsg = CMSG_FIRSTHDR(&msg);
-        cmsg->cmsg_len = CMSG_LEN(fdsize);
-        cmsg->cmsg_level = SOL_SOCKET;
-        cmsg->cmsg_type = SCM_RIGHTS;
-        memcpy(CMSG_DATA(cmsg), fds, fdsize);
-    }
-
-    do {
-        ret = sendmsg(socket_fd, &msg, 0);
-    } while (ret < 0 && errno == EINTR);
-    g_assert_cmpint(ret, >, 0);
-}
-
-static GString *qtest_recv_line(QTestState *s)
-{
-    GString *line;
-    size_t offset;
-    char *eol;
-
-    while ((eol = strchr(s->rx->str, '\n')) == NULL) {
-        ssize_t len;
-        char buffer[1024];
-
-        len = read(s->fd, buffer, sizeof(buffer));
-        if (len == -1 && errno == EINTR) {
-            continue;
-        }
-
-        if (len == -1 || len == 0) {
-            fprintf(stderr, "Broken pipe\n");
-            abort();
-        }
-
-        g_string_append_len(s->rx, buffer, len);
-    }
-
-    offset = eol - s->rx->str;
-    line = g_string_new_len(s->rx->str, offset);
-    g_string_erase(s->rx, 0, offset + 1);
-
-    return line;
-}
-
-static gchar **qtest_rsp(QTestState *s, int expected_args)
-{
-    GString *line;
-    gchar **words;
-    int i;
-
-redo:
-    line = qtest_recv_line(s);
-    words = g_strsplit(line->str, " ", 0);
-    g_string_free(line, TRUE);
-
-    if (strcmp(words[0], "IRQ") == 0) {
-        long irq;
-        int ret;
-
-        g_assert(words[1] != NULL);
-        g_assert(words[2] != NULL);
-
-        ret = qemu_strtol(words[2], NULL, 0, &irq);
-        g_assert(!ret);
-        g_assert_cmpint(irq, >=, 0);
-        g_assert_cmpint(irq, <, MAX_IRQ);
-
-        if (strcmp(words[1], "raise") == 0) {
-            s->irq_level[irq] = true;
-        } else {
-            s->irq_level[irq] = false;
-        }
-
-        g_strfreev(words);
-        goto redo;
-    }
-
-    g_assert(words[0] != NULL);
-    g_assert_cmpstr(words[0], ==, "OK");
-
-    if (expected_args) {
-        for (i = 0; i < expected_args; i++) {
-            g_assert(words[i] != NULL);
-        }
-    } else {
-        g_strfreev(words);
-    }
-
-    return words;
-}
-
-static int qtest_query_target_endianness(QTestState *s)
-{
-    gchar **args;
-    int big_endian;
-
-    qtest_sendf(s, "endianness\n");
-    args = qtest_rsp(s, 1);
-    g_assert(strcmp(args[1], "big") == 0 || strcmp(args[1], "little") == 0);
-    big_endian = strcmp(args[1], "big") == 0;
-    g_strfreev(args);
-
-    return big_endian;
-}
-
-typedef struct {
-    JSONMessageParser parser;
-    QDict *response;
-} QMPResponseParser;
-
-static void qmp_response(void *opaque, QObject *obj, Error *err)
-{
-    QMPResponseParser *qmp = opaque;
-
-    assert(!obj != !err);
-
-    if (err) {
-        error_prepend(&err, "QMP JSON response parsing failed: ");
-        error_report_err(err);
-        abort();
-    }
-
-    g_assert(!qmp->response);
-    qmp->response = qobject_to(QDict, obj);
-    g_assert(qmp->response);
-}
-
-QDict *qmp_fd_receive(int fd)
-{
-    QMPResponseParser qmp;
-    bool log = getenv("QTEST_LOG") != NULL;
-
-    qmp.response = NULL;
-    json_message_parser_init(&qmp.parser, qmp_response, &qmp, NULL);
-    while (!qmp.response) {
-        ssize_t len;
-        char c;
-
-        len = read(fd, &c, 1);
-        if (len == -1 && errno == EINTR) {
-            continue;
-        }
-
-        if (len == -1 || len == 0) {
-            fprintf(stderr, "Broken pipe\n");
-            abort();
-        }
-
-        if (log) {
-            len = write(2, &c, 1);
-        }
-        json_message_parser_feed(&qmp.parser, &c, 1);
-    }
-    json_message_parser_destroy(&qmp.parser);
-
-    return qmp.response;
-}
-
-QDict *qtest_qmp_receive(QTestState *s)
-{
-    return qmp_fd_receive(s->qmp_fd);
-}
-
-/**
- * Allow users to send a message without waiting for the reply,
- * in the case that they choose to discard all replies up until
- * a particular EVENT is received.
- */
-void qmp_fd_vsend_fds(int fd, int *fds, size_t fds_num,
-                      const char *fmt, va_list ap)
-{
-    QObject *qobj;
-
-    /* Going through qobject ensures we escape strings properly */
-    qobj = qobject_from_vjsonf_nofail(fmt, ap);
-
-    /* No need to send anything for an empty QObject.  */
-    if (qobj) {
-        int log = getenv("QTEST_LOG") != NULL;
-        QString *qstr = qobject_to_json(qobj);
-        const char *str;
-
-        /*
-         * BUG: QMP doesn't react to input until it sees a newline, an
-         * object, or an array.  Work-around: give it a newline.
-         */
-        qstring_append_chr(qstr, '\n');
-        str = qstring_get_str(qstr);
-
-        if (log) {
-            fprintf(stderr, "%s", str);
-        }
-        /* Send QMP request */
-        if (fds && fds_num > 0) {
-            socket_send_fds(fd, fds, fds_num, str, qstring_get_length(qstr));
-        } else {
-            socket_send(fd, str, qstring_get_length(qstr));
-        }
-
-        qobject_unref(qstr);
-        qobject_unref(qobj);
-    }
-}
-
-void qmp_fd_vsend(int fd, const char *fmt, va_list ap)
-{
-    qmp_fd_vsend_fds(fd, NULL, 0, fmt, ap);
-}
-
-void qtest_qmp_vsend_fds(QTestState *s, int *fds, size_t fds_num,
-                         const char *fmt, va_list ap)
-{
-    qmp_fd_vsend_fds(s->qmp_fd, fds, fds_num, fmt, ap);
-}
-
-void qtest_qmp_vsend(QTestState *s, const char *fmt, va_list ap)
-{
-    qmp_fd_vsend_fds(s->qmp_fd, NULL, 0, fmt, ap);
-}
-
-QDict *qmp_fdv(int fd, const char *fmt, va_list ap)
-{
-    qmp_fd_vsend_fds(fd, NULL, 0, fmt, ap);
-
-    return qmp_fd_receive(fd);
-}
-
-QDict *qtest_vqmp_fds(QTestState *s, int *fds, size_t fds_num,
-                      const char *fmt, va_list ap)
-{
-    qtest_qmp_vsend_fds(s, fds, fds_num, fmt, ap);
-
-    /* Receive reply */
-    return qtest_qmp_receive(s);
-}
-
-QDict *qtest_vqmp(QTestState *s, const char *fmt, va_list ap)
-{
-    qtest_qmp_vsend(s, fmt, ap);
-
-    /* Receive reply */
-    return qtest_qmp_receive(s);
-}
-
-QDict *qmp_fd(int fd, const char *fmt, ...)
-{
-    va_list ap;
-    QDict *response;
-
-    va_start(ap, fmt);
-    response = qmp_fdv(fd, fmt, ap);
-    va_end(ap);
-    return response;
-}
-
-void qmp_fd_send(int fd, const char *fmt, ...)
-{
-    va_list ap;
-
-    va_start(ap, fmt);
-    qmp_fd_vsend(fd, fmt, ap);
-    va_end(ap);
-}
-
-QDict *qtest_qmp_fds(QTestState *s, int *fds, size_t fds_num,
-                     const char *fmt, ...)
-{
-    va_list ap;
-    QDict *response;
-
-    va_start(ap, fmt);
-    response = qtest_vqmp_fds(s, fds, fds_num, fmt, ap);
-    va_end(ap);
-    return response;
-}
-
-QDict *qtest_qmp(QTestState *s, const char *fmt, ...)
-{
-    va_list ap;
-    QDict *response;
-
-    va_start(ap, fmt);
-    response = qtest_vqmp(s, fmt, ap);
-    va_end(ap);
-    return response;
-}
-
-void qtest_qmp_send(QTestState *s, const char *fmt, ...)
-{
-    va_list ap;
-
-    va_start(ap, fmt);
-    qtest_qmp_vsend(s, fmt, ap);
-    va_end(ap);
-}
-
-void qmp_fd_vsend_raw(int fd, const char *fmt, va_list ap)
-{
-    bool log = getenv("QTEST_LOG") != NULL;
-    char *str = g_strdup_vprintf(fmt, ap);
-
-    if (log) {
-        fprintf(stderr, "%s", str);
-    }
-    socket_send(fd, str, strlen(str));
-    g_free(str);
-}
-
-void qmp_fd_send_raw(int fd, const char *fmt, ...)
-{
-    va_list ap;
-
-    va_start(ap, fmt);
-    qmp_fd_vsend_raw(fd, fmt, ap);
-    va_end(ap);
-}
-
-void qtest_qmp_send_raw(QTestState *s, const char *fmt, ...)
-{
-    va_list ap;
-
-    va_start(ap, fmt);
-    qmp_fd_vsend_raw(s->qmp_fd, fmt, ap);
-    va_end(ap);
-}
-
-QDict *qtest_qmp_eventwait_ref(QTestState *s, const char *event)
-{
-    QDict *response;
-
-    for (;;) {
-        response = qtest_qmp_receive(s);
-        if ((qdict_haskey(response, "event")) &&
-            (strcmp(qdict_get_str(response, "event"), event) == 0)) {
-            return response;
-        }
-        qobject_unref(response);
-    }
-}
-
-void qtest_qmp_eventwait(QTestState *s, const char *event)
-{
-    QDict *response;
-
-    response = qtest_qmp_eventwait_ref(s, event);
-    qobject_unref(response);
-}
-
-char *qtest_vhmp(QTestState *s, const char *fmt, va_list ap)
-{
-    char *cmd;
-    QDict *resp;
-    char *ret;
-
-    cmd = g_strdup_vprintf(fmt, ap);
-    resp = qtest_qmp(s, "{'execute': 'human-monitor-command',"
-                     " 'arguments': {'command-line': %s}}",
-                     cmd);
-    ret = g_strdup(qdict_get_try_str(resp, "return"));
-    while (ret == NULL && qdict_get_try_str(resp, "event")) {
-        /* Ignore asynchronous QMP events */
-        qobject_unref(resp);
-        resp = qtest_qmp_receive(s);
-        ret = g_strdup(qdict_get_try_str(resp, "return"));
-    }
-    g_assert(ret);
-    qobject_unref(resp);
-    g_free(cmd);
-    return ret;
-}
-
-char *qtest_hmp(QTestState *s, const char *fmt, ...)
-{
-    va_list ap;
-    char *ret;
-
-    va_start(ap, fmt);
-    ret = qtest_vhmp(s, fmt, ap);
-    va_end(ap);
-    return ret;
-}
-
-const char *qtest_get_arch(void)
-{
-    const char *qemu = qtest_qemu_binary();
-    const char *end = strrchr(qemu, '/');
-
-    return end + strlen("/qemu-system-");
-}
-
-bool qtest_get_irq(QTestState *s, int num)
-{
-    /* dummy operation in order to make sure irq is up to date */
-    qtest_inb(s, 0);
-
-    return s->irq_level[num];
-}
-
-void qtest_module_load(QTestState *s, const char *prefix, const char *libname)
-{
-    qtest_sendf(s, "module_load %s %s\n", prefix, libname);
-    qtest_rsp(s, 0);
-}
-
-static int64_t qtest_clock_rsp(QTestState *s)
-{
-    gchar **words;
-    int64_t clock;
-    words = qtest_rsp(s, 2);
-    clock = g_ascii_strtoll(words[1], NULL, 0);
-    g_strfreev(words);
-    return clock;
-}
-
-int64_t qtest_clock_step_next(QTestState *s)
-{
-    qtest_sendf(s, "clock_step\n");
-    return qtest_clock_rsp(s);
-}
-
-int64_t qtest_clock_step(QTestState *s, int64_t step)
-{
-    qtest_sendf(s, "clock_step %"PRIi64"\n", step);
-    return qtest_clock_rsp(s);
-}
-
-int64_t qtest_clock_set(QTestState *s, int64_t val)
-{
-    qtest_sendf(s, "clock_set %"PRIi64"\n", val);
-    return qtest_clock_rsp(s);
-}
-
-void qtest_irq_intercept_out(QTestState *s, const char *qom_path)
-{
-    qtest_sendf(s, "irq_intercept_out %s\n", qom_path);
-    qtest_rsp(s, 0);
-}
-
-void qtest_irq_intercept_in(QTestState *s, const char *qom_path)
-{
-    qtest_sendf(s, "irq_intercept_in %s\n", qom_path);
-    qtest_rsp(s, 0);
-}
-
-void qtest_set_irq_in(QTestState *s, const char *qom_path, const char *name,
-                      int num, int level)
-{
-    if (!name) {
-        name = "unnamed-gpio-in";
-    }
-    qtest_sendf(s, "set_irq_in %s %s %d %d\n", qom_path, name, num, level);
-    qtest_rsp(s, 0);
-}
-
-static void qtest_out(QTestState *s, const char *cmd, uint16_t addr, uint32_t value)
-{
-    qtest_sendf(s, "%s 0x%x 0x%x\n", cmd, addr, value);
-    qtest_rsp(s, 0);
-}
-
-void qtest_outb(QTestState *s, uint16_t addr, uint8_t value)
-{
-    qtest_out(s, "outb", addr, value);
-}
-
-void qtest_outw(QTestState *s, uint16_t addr, uint16_t value)
-{
-    qtest_out(s, "outw", addr, value);
-}
-
-void qtest_outl(QTestState *s, uint16_t addr, uint32_t value)
-{
-    qtest_out(s, "outl", addr, value);
-}
-
-static uint32_t qtest_in(QTestState *s, const char *cmd, uint16_t addr)
-{
-    gchar **args;
-    int ret;
-    unsigned long value;
-
-    qtest_sendf(s, "%s 0x%x\n", cmd, addr);
-    args = qtest_rsp(s, 2);
-    ret = qemu_strtoul(args[1], NULL, 0, &value);
-    g_assert(!ret && value <= UINT32_MAX);
-    g_strfreev(args);
-
-    return value;
-}
-
-uint8_t qtest_inb(QTestState *s, uint16_t addr)
-{
-    return qtest_in(s, "inb", addr);
-}
-
-uint16_t qtest_inw(QTestState *s, uint16_t addr)
-{
-    return qtest_in(s, "inw", addr);
-}
-
-uint32_t qtest_inl(QTestState *s, uint16_t addr)
-{
-    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;
-    int ret;
-    uint64_t value;
-
-    qtest_sendf(s, "%s 0x%" PRIx64 "\n", cmd, addr);
-    args = qtest_rsp(s, 2);
-    ret = qemu_strtou64(args[1], NULL, 0, &value);
-    g_assert(!ret);
-    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') {
-        return ch - '0';
-    } else if (ch >= 'a' && ch <= 'f') {
-        return 10 + (ch - 'a');
-    } else if (ch >= 'A' && ch <= 'F') {
-        return 10 + (ch - 'a');
-    } else {
-        return -1;
-    }
-}
-
-void qtest_memread(QTestState *s, uint64_t addr, void *data, size_t size)
-{
-    uint8_t *ptr = data;
-    gchar **args;
-    size_t i;
-
-    if (!size) {
-        return;
-    }
-
-    qtest_sendf(s, "read 0x%" PRIx64 " 0x%zx\n", addr, size);
-    args = qtest_rsp(s, 2);
-
-    for (i = 0; i < size; i++) {
-        ptr[i] = hex2nib(args[1][2 + (i * 2)]) << 4;
-        ptr[i] |= hex2nib(args[1][2 + (i * 2) + 1]);
-    }
-
-    g_strfreev(args);
-}
-
-uint64_t qtest_rtas_call(QTestState *s, const char *name,
-                         uint32_t nargs, uint64_t args,
-                         uint32_t nret, uint64_t ret)
-{
-    qtest_sendf(s, "rtas %s %u 0x%"PRIx64" %u 0x%"PRIx64"\n",
-                name, nargs, args, nret, ret);
-    qtest_rsp(s, 0);
-    return 0;
-}
-
-void qtest_add_func(const char *str, void (*fn)(void))
-{
-    gchar *path = g_strdup_printf("/%s/%s", qtest_get_arch(), str);
-    g_test_add_func(path, fn);
-    g_free(path);
-}
-
-void qtest_add_data_func_full(const char *str, void *data,
-                              void (*fn)(const void *),
-                              GDestroyNotify data_free_func)
-{
-    gchar *path = g_strdup_printf("/%s/%s", qtest_get_arch(), str);
-    g_test_add_data_func_full(path, data, fn, data_free_func);
-    g_free(path);
-}
-
-void qtest_add_data_func(const char *str, const void *data,
-                         void (*fn)(const void *))
-{
-    gchar *path = g_strdup_printf("/%s/%s", qtest_get_arch(), str);
-    g_test_add_data_func(path, data, fn);
-    g_free(path);
-}
-
-void qtest_bufwrite(QTestState *s, uint64_t addr, const void *data, size_t size)
-{
-    gchar *bdata;
-
-    bdata = g_base64_encode(data, size);
-    qtest_sendf(s, "b64write 0x%" PRIx64 " 0x%zx ", addr, size);
-    socket_send(s->fd, bdata, strlen(bdata));
-    socket_send(s->fd, "\n", 1);
-    qtest_rsp(s, 0);
-    g_free(bdata);
-}
-
-void qtest_bufread(QTestState *s, uint64_t addr, void *data, size_t size)
-{
-    gchar **args;
-    size_t len;
-
-    qtest_sendf(s, "b64read 0x%" PRIx64 " 0x%zx\n", addr, size);
-    args = qtest_rsp(s, 2);
-
-    g_base64_decode_inplace(args[1], &len);
-    if (size != len) {
-        fprintf(stderr, "bufread: asked for %zu bytes but decoded %zu\n",
-                size, len);
-        len = MIN(len, size);
-    }
-
-    memcpy(data, args[1], len);
-    g_strfreev(args);
-}
-
-void qtest_memwrite(QTestState *s, uint64_t addr, const void *data, size_t size)
-{
-    const uint8_t *ptr = data;
-    size_t i;
-    char *enc;
-
-    if (!size) {
-        return;
-    }
-
-    enc = g_malloc(2 * size + 1);
-
-    for (i = 0; i < size; i++) {
-        sprintf(&enc[i * 2], "%02x", ptr[i]);
-    }
-
-    qtest_sendf(s, "write 0x%" PRIx64 " 0x%zx 0x%s\n", addr, size, enc);
-    qtest_rsp(s, 0);
-    g_free(enc);
-}
-
-void qtest_memset(QTestState *s, uint64_t addr, uint8_t pattern, size_t size)
-{
-    qtest_sendf(s, "memset 0x%" PRIx64 " 0x%zx 0x%02x\n", addr, size, pattern);
-    qtest_rsp(s, 0);
-}
-
-void qtest_qmp_assert_success(QTestState *qts, const char *fmt, ...)
-{
-    va_list ap;
-    QDict *response;
-
-    va_start(ap, fmt);
-    response = qtest_vqmp(qts, fmt, ap);
-    va_end(ap);
-
-    g_assert(response);
-    if (!qdict_haskey(response, "return")) {
-        QString *s = qobject_to_json_pretty(QOBJECT(response));
-        g_test_message("%s", qstring_get_str(s));
-        qobject_unref(s);
-    }
-    g_assert(qdict_haskey(response, "return"));
-    qobject_unref(response);
-}
-
-bool qtest_big_endian(QTestState *s)
-{
-    return s->big_endian;
-}
-
-static bool qtest_check_machine_version(const char *mname, const char *basename,
-                                        int major, int minor)
-{
-    char *newname;
-    bool is_equal;
-
-    newname = g_strdup_printf("%s-%i.%i", basename, major, minor);
-    is_equal = g_str_equal(mname, newname);
-    g_free(newname);
-
-    return is_equal;
-}
-
-static bool qtest_is_old_versioned_machine(const char *mname)
-{
-    const char *dash = strrchr(mname, '-');
-    const char *dot = strrchr(mname, '.');
-    const char *chr;
-    char *bname;
-    const int major = QEMU_VERSION_MAJOR;
-    const int minor = QEMU_VERSION_MINOR;
-    bool res = false;
-
-    if (dash && dot && dot > dash) {
-        for (chr = dash + 1; *chr; chr++) {
-            if (!qemu_isdigit(*chr) && *chr != '.') {
-                return false;
-            }
-        }
-        /*
-         * Now check if it is one of the latest versions. Check major + 1
-         * and minor + 1 versions as well, since they might already exist
-         * in the development branch.
-         */
-        bname = g_strdup(mname);
-        bname[dash - mname] = 0;
-        res = !qtest_check_machine_version(mname, bname, major + 1, 0) &&
-              !qtest_check_machine_version(mname, bname, major, minor + 1) &&
-              !qtest_check_machine_version(mname, bname, major, minor);
-        g_free(bname);
-    }
-
-    return res;
-}
-
-void qtest_cb_for_every_machine(void (*cb)(const char *machine),
-                                bool skip_old_versioned)
-{
-    QDict *response, *minfo;
-    QList *list;
-    const QListEntry *p;
-    QObject *qobj;
-    QString *qstr;
-    const char *mname;
-    QTestState *qts;
-
-    qts = qtest_init("-machine none");
-    response = qtest_qmp(qts, "{ 'execute': 'query-machines' }");
-    g_assert(response);
-    list = qdict_get_qlist(response, "return");
-    g_assert(list);
-
-    for (p = qlist_first(list); p; p = qlist_next(p)) {
-        minfo = qobject_to(QDict, qlist_entry_obj(p));
-        g_assert(minfo);
-        qobj = qdict_get(minfo, "name");
-        g_assert(qobj);
-        qstr = qobject_to(QString, qobj);
-        g_assert(qstr);
-        mname = qstring_get_str(qstr);
-        if (!skip_old_versioned || !qtest_is_old_versioned_machine(mname)) {
-            cb(mname);
-        }
-    }
-
-    qtest_quit(qts);
-    qobject_unref(response);
-}
-
-QDict *qtest_qmp_receive_success(QTestState *s,
-                                 void (*event_cb)(void *opaque,
-                                                  const char *event,
-                                                  QDict *data),
-                                 void *opaque)
-{
-    QDict *response, *ret, *data;
-    const char *event;
-
-    for (;;) {
-        response = qtest_qmp_receive(s);
-        g_assert(!qdict_haskey(response, "error"));
-        ret = qdict_get_qdict(response, "return");
-        if (ret) {
-            break;
-        }
-        event = qdict_get_str(response, "event");
-        data = qdict_get_qdict(response, "data");
-        if (event_cb) {
-            event_cb(opaque, event, data);
-        }
-        qobject_unref(response);
-    }
-
-    qobject_ref(ret);
-    qobject_unref(response);
-    return ret;
-}
-
-/*
- * Generic hot-plugging test via the device_add QMP commands.
- */
-void qtest_qmp_device_add_qdict(QTestState *qts, const char *drv,
-                                const QDict *arguments)
-{
-    QDict *resp;
-    QDict *args = arguments ? qdict_clone_shallow(arguments) : qdict_new();
-
-    g_assert(!qdict_haskey(args, "driver"));
-    qdict_put_str(args, "driver", drv);
-    resp = qtest_qmp(qts, "{'execute': 'device_add', 'arguments': %p}", args);
-    g_assert(resp);
-    g_assert(!qdict_haskey(resp, "event")); /* We don't expect any events */
-    g_assert(!qdict_haskey(resp, "error"));
-    qobject_unref(resp);
-}
-
-void qtest_qmp_device_add(QTestState *qts, const char *driver, const char *id,
-                          const char *fmt, ...)
-{
-    QDict *args;
-    va_list ap;
-
-    va_start(ap, fmt);
-    args = qdict_from_vjsonf_nofail(fmt, ap);
-    va_end(ap);
-
-    g_assert(!qdict_haskey(args, "id"));
-    qdict_put_str(args, "id", id);
-
-    qtest_qmp_device_add_qdict(qts, driver, args);
-    qobject_unref(args);
-}
-
-static void device_deleted_cb(void *opaque, const char *name, QDict *data)
-{
-    bool *got_event = opaque;
-
-    g_assert_cmpstr(name, ==, "DEVICE_DELETED");
-    *got_event = true;
-}
-
-/*
- * Generic hot-unplugging test via the device_del QMP command.
- * Device deletion will get one response and one event. For example:
- *
- * {'execute': 'device_del','arguments': { 'id': 'scsi-hd'}}
- *
- * will get this one:
- *
- * {"timestamp": {"seconds": 1505289667, "microseconds": 569862},
- *  "event": "DEVICE_DELETED", "data": {"device": "scsi-hd",
- *  "path": "/machine/peripheral/scsi-hd"}}
- *
- * and this one:
- *
- * {"return": {}}
- *
- * But the order of arrival may vary - so we've got to detect both.
- */
-void qtest_qmp_device_del(QTestState *qts, const char *id)
-{
-    bool got_event = false;
-    QDict *rsp;
-
-    qtest_qmp_send(qts, "{'execute': 'device_del', 'arguments': {'id': %s}}",
-                   id);
-    rsp = qtest_qmp_receive_success(qts, device_deleted_cb, &got_event);
-    qobject_unref(rsp);
-    if (!got_event) {
-        rsp = qtest_qmp_receive(qts);
-        g_assert_cmpstr(qdict_get_try_str(rsp, "event"),
-                        ==, "DEVICE_DELETED");
-        qobject_unref(rsp);
-    }
-}
-
-bool qmp_rsp_is_err(QDict *rsp)
-{
-    QDict *error = qdict_get_qdict(rsp, "error");
-    qobject_unref(rsp);
-    return !!error;
-}
-
-void qmp_assert_error_class(QDict *rsp, const char *class)
-{
-    QDict *error = qdict_get_qdict(rsp, "error");
-
-    g_assert_cmpstr(qdict_get_try_str(error, "class"), ==, class);
-    g_assert_nonnull(qdict_get_try_str(error, "desc"));
-    g_assert(!qdict_haskey(rsp, "return"));
-
-    qobject_unref(rsp);
-}