The qtests can be run directly by specifying the QEMU binary with the QTEST_QEMU_BINARY environment variable, for example: $ QTEST_QEMU_BINARY=x86_64-softmmu/qemu-system-x86_64 tests/qtest/test-hmp However, if you specify a binary without a path, for example with QTEST_QEMU_BINARY=qemu-system-x86_64 if the QEMU binary is in your $PATH, then the test currently simply crashes. Let's try a little bit smarter here by looking for the final '-' instead of the slash. Message-Id: <20201012114816.43546-1-thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
1444 lines
35 KiB
C
1444 lines
35 KiB
C
/*
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* QTest
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*
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* Copyright IBM, Corp. 2012
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* Copyright Red Hat, Inc. 2012
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* Copyright SUSE LINUX Products GmbH 2013
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*
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* Authors:
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* Anthony Liguori <aliguori@us.ibm.com>
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* Paolo Bonzini <pbonzini@redhat.com>
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* Andreas Färber <afaerber@suse.de>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#include "qemu/osdep.h"
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#include <sys/socket.h>
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#include <sys/wait.h>
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#include <sys/un.h>
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#include "libqos/libqtest.h"
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#include "qemu-common.h"
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#include "qemu/ctype.h"
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#include "qemu/cutils.h"
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#include "qapi/error.h"
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#include "qapi/qmp/json-parser.h"
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#include "qapi/qmp/qdict.h"
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#include "qapi/qmp/qjson.h"
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#include "qapi/qmp/qlist.h"
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#include "qapi/qmp/qstring.h"
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#define MAX_IRQ 256
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#define SOCKET_TIMEOUT 50
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#define SOCKET_MAX_FDS 16
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typedef void (*QTestSendFn)(QTestState *s, const char *buf);
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typedef void (*ExternalSendFn)(void *s, const char *buf);
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typedef GString* (*QTestRecvFn)(QTestState *);
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typedef struct QTestClientTransportOps {
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QTestSendFn send; /* for sending qtest commands */
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/*
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* use external_send to send qtest command strings through functions which
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* do not accept a QTestState as the first parameter.
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*/
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ExternalSendFn external_send;
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QTestRecvFn recv_line; /* for receiving qtest command responses */
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} QTestTransportOps;
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struct QTestState
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{
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int fd;
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int qmp_fd;
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pid_t qemu_pid; /* our child QEMU process */
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int wstatus;
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int expected_status;
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bool big_endian;
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bool irq_level[MAX_IRQ];
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GString *rx;
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QTestTransportOps ops;
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GList *pending_events;
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};
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static GHookList abrt_hooks;
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static struct sigaction sigact_old;
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static int qtest_query_target_endianness(QTestState *s);
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static void qtest_client_socket_send(QTestState*, const char *buf);
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static void socket_send(int fd, const char *buf, size_t size);
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static GString *qtest_client_socket_recv_line(QTestState *);
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static void qtest_client_set_tx_handler(QTestState *s, QTestSendFn send);
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static void qtest_client_set_rx_handler(QTestState *s, QTestRecvFn recv);
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static int init_socket(const char *socket_path)
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{
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struct sockaddr_un addr;
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int sock;
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int ret;
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sock = socket(PF_UNIX, SOCK_STREAM, 0);
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g_assert_cmpint(sock, !=, -1);
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addr.sun_family = AF_UNIX;
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snprintf(addr.sun_path, sizeof(addr.sun_path), "%s", socket_path);
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qemu_set_cloexec(sock);
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do {
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ret = bind(sock, (struct sockaddr *)&addr, sizeof(addr));
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} while (ret == -1 && errno == EINTR);
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g_assert_cmpint(ret, !=, -1);
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ret = listen(sock, 1);
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g_assert_cmpint(ret, !=, -1);
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return sock;
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}
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static int socket_accept(int sock)
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{
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struct sockaddr_un addr;
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socklen_t addrlen;
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int ret;
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struct timeval timeout = { .tv_sec = SOCKET_TIMEOUT,
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.tv_usec = 0 };
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setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, (void *)&timeout,
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sizeof(timeout));
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do {
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addrlen = sizeof(addr);
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ret = accept(sock, (struct sockaddr *)&addr, &addrlen);
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} while (ret == -1 && errno == EINTR);
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if (ret == -1) {
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fprintf(stderr, "%s failed: %s\n", __func__, strerror(errno));
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}
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close(sock);
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return ret;
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}
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bool qtest_probe_child(QTestState *s)
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{
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pid_t pid = s->qemu_pid;
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if (pid != -1) {
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pid = waitpid(pid, &s->wstatus, WNOHANG);
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if (pid == 0) {
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return true;
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}
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s->qemu_pid = -1;
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}
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return false;
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}
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void qtest_set_expected_status(QTestState *s, int status)
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{
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s->expected_status = status;
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}
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static void kill_qemu(QTestState *s)
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{
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pid_t pid = s->qemu_pid;
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int wstatus;
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/* Skip wait if qtest_probe_child already reaped. */
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if (pid != -1) {
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kill(pid, SIGTERM);
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TFR(pid = waitpid(s->qemu_pid, &s->wstatus, 0));
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assert(pid == s->qemu_pid);
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}
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/*
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* Check whether qemu exited with expected exit status; anything else is
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* fishy and should be logged with as much detail as possible.
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*/
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wstatus = s->wstatus;
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if (WIFEXITED(wstatus) && WEXITSTATUS(wstatus) != s->expected_status) {
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fprintf(stderr, "%s:%d: kill_qemu() tried to terminate QEMU "
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"process but encountered exit status %d (expected %d)\n",
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__FILE__, __LINE__, WEXITSTATUS(wstatus), s->expected_status);
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abort();
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} else if (WIFSIGNALED(wstatus)) {
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int sig = WTERMSIG(wstatus);
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const char *signame = strsignal(sig) ?: "unknown ???";
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const char *dump = WCOREDUMP(wstatus) ? " (core dumped)" : "";
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fprintf(stderr, "%s:%d: kill_qemu() detected QEMU death "
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"from signal %d (%s)%s\n",
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__FILE__, __LINE__, sig, signame, dump);
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abort();
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}
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}
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static void kill_qemu_hook_func(void *s)
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{
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kill_qemu(s);
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}
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static void sigabrt_handler(int signo)
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{
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g_hook_list_invoke(&abrt_hooks, FALSE);
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}
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static void setup_sigabrt_handler(void)
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{
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struct sigaction sigact;
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/* Catch SIGABRT to clean up on g_assert() failure */
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sigact = (struct sigaction){
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.sa_handler = sigabrt_handler,
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.sa_flags = SA_RESETHAND,
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};
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sigemptyset(&sigact.sa_mask);
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sigaction(SIGABRT, &sigact, &sigact_old);
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}
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static void cleanup_sigabrt_handler(void)
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{
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sigaction(SIGABRT, &sigact_old, NULL);
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}
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void qtest_add_abrt_handler(GHookFunc fn, const void *data)
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{
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GHook *hook;
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/* Only install SIGABRT handler once */
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if (!abrt_hooks.is_setup) {
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g_hook_list_init(&abrt_hooks, sizeof(GHook));
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}
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setup_sigabrt_handler();
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hook = g_hook_alloc(&abrt_hooks);
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hook->func = fn;
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hook->data = (void *)data;
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g_hook_prepend(&abrt_hooks, hook);
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}
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static const char *qtest_qemu_binary(void)
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{
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const char *qemu_bin;
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qemu_bin = getenv("QTEST_QEMU_BINARY");
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if (!qemu_bin) {
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fprintf(stderr, "Environment variable QTEST_QEMU_BINARY required\n");
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exit(1);
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}
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return qemu_bin;
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}
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QTestState *qtest_init_without_qmp_handshake(const char *extra_args)
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{
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QTestState *s;
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int sock, qmpsock, i;
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gchar *socket_path;
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gchar *qmp_socket_path;
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gchar *command;
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const char *qemu_binary = qtest_qemu_binary();
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s = g_new(QTestState, 1);
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socket_path = g_strdup_printf("/tmp/qtest-%d.sock", getpid());
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qmp_socket_path = g_strdup_printf("/tmp/qtest-%d.qmp", getpid());
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/* It's possible that if an earlier test run crashed it might
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* have left a stale unix socket lying around. Delete any
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* stale old socket to avoid spurious test failures with
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* tests/libqtest.c:70:init_socket: assertion failed (ret != -1): (-1 != -1)
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*/
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unlink(socket_path);
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unlink(qmp_socket_path);
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sock = init_socket(socket_path);
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qmpsock = init_socket(qmp_socket_path);
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qtest_client_set_rx_handler(s, qtest_client_socket_recv_line);
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qtest_client_set_tx_handler(s, qtest_client_socket_send);
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qtest_add_abrt_handler(kill_qemu_hook_func, s);
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command = g_strdup_printf("exec %s "
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"-qtest unix:%s "
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"-qtest-log %s "
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"-chardev socket,path=%s,id=char0 "
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"-mon chardev=char0,mode=control "
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"-display none "
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"%s"
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" -accel qtest", qemu_binary, socket_path,
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getenv("QTEST_LOG") ? "/dev/fd/2" : "/dev/null",
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qmp_socket_path,
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extra_args ?: "");
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g_test_message("starting QEMU: %s", command);
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s->pending_events = NULL;
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s->wstatus = 0;
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s->expected_status = 0;
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s->qemu_pid = fork();
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if (s->qemu_pid == 0) {
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g_setenv("QEMU_AUDIO_DRV", "none", true);
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execlp("/bin/sh", "sh", "-c", command, NULL);
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exit(1);
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}
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g_free(command);
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s->fd = socket_accept(sock);
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if (s->fd >= 0) {
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s->qmp_fd = socket_accept(qmpsock);
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}
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unlink(socket_path);
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unlink(qmp_socket_path);
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g_free(socket_path);
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g_free(qmp_socket_path);
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g_assert(s->fd >= 0 && s->qmp_fd >= 0);
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s->rx = g_string_new("");
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for (i = 0; i < MAX_IRQ; i++) {
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s->irq_level[i] = false;
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}
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if (getenv("QTEST_STOP")) {
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kill(s->qemu_pid, SIGSTOP);
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}
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/* ask endianness of the target */
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s->big_endian = qtest_query_target_endianness(s);
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return s;
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}
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QTestState *qtest_init(const char *extra_args)
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{
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QTestState *s = qtest_init_without_qmp_handshake(extra_args);
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QDict *greeting;
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/* Read the QMP greeting and then do the handshake */
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greeting = qtest_qmp_receive(s);
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qobject_unref(greeting);
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qobject_unref(qtest_qmp(s, "{ 'execute': 'qmp_capabilities' }"));
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return s;
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}
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QTestState *qtest_vinitf(const char *fmt, va_list ap)
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{
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char *args = g_strdup_vprintf(fmt, ap);
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QTestState *s;
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s = qtest_init(args);
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g_free(args);
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return s;
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}
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QTestState *qtest_initf(const char *fmt, ...)
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{
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va_list ap;
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QTestState *s;
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va_start(ap, fmt);
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s = qtest_vinitf(fmt, ap);
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va_end(ap);
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return s;
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}
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QTestState *qtest_init_with_serial(const char *extra_args, int *sock_fd)
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{
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int sock_fd_init;
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char *sock_path, sock_dir[] = "/tmp/qtest-serial-XXXXXX";
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QTestState *qts;
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g_assert_true(mkdtemp(sock_dir) != NULL);
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sock_path = g_strdup_printf("%s/sock", sock_dir);
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sock_fd_init = init_socket(sock_path);
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qts = qtest_initf("-chardev socket,id=s0,path=%s -serial chardev:s0 %s",
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sock_path, extra_args);
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*sock_fd = socket_accept(sock_fd_init);
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unlink(sock_path);
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g_free(sock_path);
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rmdir(sock_dir);
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g_assert_true(*sock_fd >= 0);
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return qts;
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}
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void qtest_quit(QTestState *s)
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{
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g_hook_destroy_link(&abrt_hooks, g_hook_find_data(&abrt_hooks, TRUE, s));
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/* Uninstall SIGABRT handler on last instance */
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cleanup_sigabrt_handler();
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kill_qemu(s);
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close(s->fd);
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close(s->qmp_fd);
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g_string_free(s->rx, true);
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for (GList *it = s->pending_events; it != NULL; it = it->next) {
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qobject_unref((QDict *)it->data);
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}
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g_list_free(s->pending_events);
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g_free(s);
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}
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static void socket_send(int fd, const char *buf, size_t size)
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{
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size_t offset;
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offset = 0;
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while (offset < size) {
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ssize_t len;
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len = write(fd, buf + offset, size - offset);
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if (len == -1 && errno == EINTR) {
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continue;
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}
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g_assert_cmpint(len, >, 0);
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offset += len;
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}
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}
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static void qtest_client_socket_send(QTestState *s, const char *buf)
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{
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socket_send(s->fd, buf, strlen(buf));
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}
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static void GCC_FMT_ATTR(2, 3) qtest_sendf(QTestState *s, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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gchar *str = g_strdup_vprintf(fmt, ap);
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va_end(ap);
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s->ops.send(s, str);
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g_free(str);
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}
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/* Sends a message and file descriptors to the socket.
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* It's needed for qmp-commands like getfd/add-fd */
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static void socket_send_fds(int socket_fd, int *fds, size_t fds_num,
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const char *buf, size_t buf_size)
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{
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ssize_t ret;
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struct msghdr msg = { 0 };
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char control[CMSG_SPACE(sizeof(int) * SOCKET_MAX_FDS)] = { 0 };
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size_t fdsize = sizeof(int) * fds_num;
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struct cmsghdr *cmsg;
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struct iovec iov = { .iov_base = (char *)buf, .iov_len = buf_size };
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msg.msg_iov = &iov;
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msg.msg_iovlen = 1;
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if (fds && fds_num > 0) {
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g_assert_cmpuint(fds_num, <, SOCKET_MAX_FDS);
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msg.msg_control = control;
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msg.msg_controllen = CMSG_SPACE(fdsize);
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cmsg = CMSG_FIRSTHDR(&msg);
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cmsg->cmsg_len = CMSG_LEN(fdsize);
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cmsg->cmsg_level = SOL_SOCKET;
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cmsg->cmsg_type = SCM_RIGHTS;
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memcpy(CMSG_DATA(cmsg), fds, fdsize);
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}
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do {
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ret = sendmsg(socket_fd, &msg, 0);
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} while (ret < 0 && errno == EINTR);
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g_assert_cmpint(ret, >, 0);
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}
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static GString *qtest_client_socket_recv_line(QTestState *s)
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{
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GString *line;
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size_t offset;
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char *eol;
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while ((eol = strchr(s->rx->str, '\n')) == NULL) {
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ssize_t len;
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char buffer[1024];
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len = read(s->fd, buffer, sizeof(buffer));
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if (len == -1 && errno == EINTR) {
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continue;
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}
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|
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if (len == -1 || len == 0) {
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fprintf(stderr, "Broken pipe\n");
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abort();
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}
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g_string_append_len(s->rx, buffer, len);
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}
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offset = eol - s->rx->str;
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line = g_string_new_len(s->rx->str, offset);
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g_string_erase(s->rx, 0, offset + 1);
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return line;
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}
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|
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static gchar **qtest_rsp(QTestState *s, int expected_args)
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{
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GString *line;
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gchar **words;
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int i;
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|
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redo:
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line = s->ops.recv_line(s);
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words = g_strsplit(line->str, " ", 0);
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g_string_free(line, TRUE);
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|
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if (strcmp(words[0], "IRQ") == 0) {
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long irq;
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int ret;
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|
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g_assert(words[1] != NULL);
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g_assert(words[2] != NULL);
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|
|
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)
|
|
{
|
|
while (true) {
|
|
QDict *response = qtest_qmp_receive_dict(s);
|
|
|
|
if (!qdict_get_try_str(response, "event")) {
|
|
return response;
|
|
}
|
|
/* Stash the event for a later consumption */
|
|
s->pending_events = g_list_prepend(s->pending_events, response);
|
|
}
|
|
}
|
|
|
|
QDict *qtest_qmp_receive_dict(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_event_ref(QTestState *s, const char *event)
|
|
{
|
|
GList *next = NULL;
|
|
QDict *response;
|
|
|
|
for (GList *it = s->pending_events; it != NULL; it = next) {
|
|
|
|
next = it->next;
|
|
response = (QDict *)it->data;
|
|
|
|
s->pending_events = g_list_remove_link(s->pending_events, it);
|
|
|
|
if (!strcmp(qdict_get_str(response, "event"), event)) {
|
|
return response;
|
|
}
|
|
qobject_unref(response);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
QDict *qtest_qmp_eventwait_ref(QTestState *s, const char *event)
|
|
{
|
|
QDict *response = qtest_qmp_event_ref(s, event);
|
|
|
|
if (response) {
|
|
return response;
|
|
}
|
|
|
|
for (;;) {
|
|
response = qtest_qmp_receive_dict(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"));
|
|
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, '-');
|
|
|
|
if (!end) {
|
|
fprintf(stderr, "Can't determine architecture from binary name.\n");
|
|
abort();
|
|
}
|
|
|
|
return end + 1;
|
|
}
|
|
|
|
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);
|
|
s->ops.send(s, bdata);
|
|
s->ops.send(s, "\n");
|
|
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);
|
|
/* Ignore machines that cannot be used for qtests */
|
|
if (!memcmp("xenfv", mname, 5) || g_str_equal("xenpv", mname)) {
|
|
continue;
|
|
}
|
|
if (!skip_old_versioned || !qtest_is_old_versioned_machine(mname)) {
|
|
cb(mname);
|
|
}
|
|
}
|
|
|
|
qtest_quit(qts);
|
|
qobject_unref(response);
|
|
}
|
|
|
|
/*
|
|
* 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);
|
|
}
|
|
|
|
|
|
/*
|
|
* 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": {}}
|
|
*/
|
|
void qtest_qmp_device_del(QTestState *qts, const char *id)
|
|
{
|
|
QDict *rsp;
|
|
|
|
rsp = qtest_qmp(qts, "{'execute': 'device_del', 'arguments': {'id': %s}}",
|
|
id);
|
|
|
|
g_assert(qdict_haskey(rsp, "return"));
|
|
qobject_unref(rsp);
|
|
qtest_qmp_eventwait(qts, "DEVICE_DELETED");
|
|
}
|
|
|
|
bool qmp_rsp_is_err(QDict *rsp)
|
|
{
|
|
QDict *error = qdict_get_qdict(rsp, "error");
|
|
qobject_unref(rsp);
|
|
return !!error;
|
|
}
|
|
|
|
void qmp_expect_error_and_unref(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);
|
|
}
|
|
|
|
static void qtest_client_set_tx_handler(QTestState *s,
|
|
QTestSendFn send)
|
|
{
|
|
s->ops.send = send;
|
|
}
|
|
static void qtest_client_set_rx_handler(QTestState *s, QTestRecvFn recv)
|
|
{
|
|
s->ops.recv_line = recv;
|
|
}
|
|
/* A type-safe wrapper for s->send() */
|
|
static void send_wrapper(QTestState *s, const char *buf)
|
|
{
|
|
s->ops.external_send(s, buf);
|
|
}
|
|
|
|
static GString *qtest_client_inproc_recv_line(QTestState *s)
|
|
{
|
|
GString *line;
|
|
size_t offset;
|
|
char *eol;
|
|
|
|
eol = strchr(s->rx->str, '\n');
|
|
offset = eol - s->rx->str;
|
|
line = g_string_new_len(s->rx->str, offset);
|
|
g_string_erase(s->rx, 0, offset + 1);
|
|
return line;
|
|
}
|
|
|
|
QTestState *qtest_inproc_init(QTestState **s, bool log, const char* arch,
|
|
void (*send)(void*, const char*))
|
|
{
|
|
QTestState *qts;
|
|
qts = g_new0(QTestState, 1);
|
|
qts->pending_events = NULL;
|
|
*s = qts; /* Expose qts early on, since the query endianness relies on it */
|
|
qts->wstatus = 0;
|
|
for (int i = 0; i < MAX_IRQ; i++) {
|
|
qts->irq_level[i] = false;
|
|
}
|
|
|
|
qtest_client_set_rx_handler(qts, qtest_client_inproc_recv_line);
|
|
|
|
/* send() may not have a matching protoype, so use a type-safe wrapper */
|
|
qts->ops.external_send = send;
|
|
qtest_client_set_tx_handler(qts, send_wrapper);
|
|
|
|
qts->big_endian = qtest_query_target_endianness(qts);
|
|
|
|
/*
|
|
* Set a dummy path for QTEST_QEMU_BINARY. Doesn't need to exist, but this
|
|
* way, qtest_get_arch works for inproc qtest.
|
|
*/
|
|
gchar *bin_path = g_strconcat("/qemu-system-", arch, NULL);
|
|
setenv("QTEST_QEMU_BINARY", bin_path, 0);
|
|
g_free(bin_path);
|
|
|
|
return qts;
|
|
}
|
|
|
|
void qtest_client_inproc_recv(void *opaque, const char *str)
|
|
{
|
|
QTestState *qts = *(QTestState **)opaque;
|
|
|
|
if (!qts->rx) {
|
|
qts->rx = g_string_new(NULL);
|
|
}
|
|
g_string_append(qts->rx, str);
|
|
return;
|
|
}
|