*/
#include "qemu/osdep.h"
+#include "qemu/units.h"
#include "qapi/error.h"
#include "qemu-version.h"
#include "qemu/cutils.h"
#include "qemu/help_option.h"
#include "qemu/uuid.h"
-
-#ifdef CONFIG_SECCOMP
-#include <sys/prctl.h>
#include "sysemu/seccomp.h"
-#endif
#ifdef CONFIG_SDL
#if defined(__APPLE__) || defined(main)
const char *mem_path = NULL;
int mem_prealloc = 0; /* force preallocation of physical target memory */
bool enable_mlock = false;
+bool enable_cpu_pm = false;
int nb_nics;
NICInfo nd_table[MAX_NICS];
int autostart;
int vga_interface_type = VGA_NONE;
static DisplayOptions dpy;
int no_frame;
-static int num_serial_hds = 0;
-static Chardev **serial_hds = NULL;
+static int num_serial_hds;
+static Chardev **serial_hds;
Chardev *parallel_hds[MAX_PARALLEL_PORTS];
Chardev *virtcon_hds[MAX_VIRTIO_CONSOLES];
int win2k_install_hack = 0;
},
};
-static QemuOptsList qemu_sandbox_opts = {
- .name = "sandbox",
- .implied_opt_name = "enable",
- .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
- .desc = {
- {
- .name = "enable",
- .type = QEMU_OPT_BOOL,
- },
- {
- .name = "obsolete",
- .type = QEMU_OPT_STRING,
- },
- {
- .name = "elevateprivileges",
- .type = QEMU_OPT_STRING,
- },
- {
- .name = "spawn",
- .type = QEMU_OPT_STRING,
- },
- {
- .name = "resourcecontrol",
- .type = QEMU_OPT_STRING,
- },
- { /* end of list */ }
- },
-};
-
static QemuOptsList qemu_option_rom_opts = {
.name = "option-rom",
.implied_opt_name = "romfile",
},
};
+static QemuOptsList qemu_overcommit_opts = {
+ .name = "overcommit",
+ .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
+ .desc = {
+ {
+ .name = "mem-lock",
+ .type = QEMU_OPT_BOOL,
+ },
+ {
+ .name = "cpu-pm",
+ .type = QEMU_OPT_BOOL,
+ },
+ { /* end of list */ }
+ },
+};
+
static QemuOptsList qemu_msg_opts = {
.name = "msg",
.head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
/***********************************************************/
/* QEMU state */
-static RunState current_run_state = RUN_STATE_PRELAUNCH;
+static RunState current_run_state = RUN_STATE_PRECONFIG;
/* We use RUN_STATE__MAX but any invalid value will do */
static RunState vmstop_requested = RUN_STATE__MAX;
static const RunStateTransition runstate_transitions_def[] = {
/* from -> to */
+ { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH },
+ /* Early switch to inmigrate state to allow -incoming CLI option work
+ * as it used to. TODO: delay actual switching to inmigrate state to
+ * the point after machine is built and remove this hack.
+ */
+ { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE },
+
{ RUN_STATE_DEBUG, RUN_STATE_RUNNING },
{ RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
{ RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
return 1;
}
-static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
-{
- if (qemu_opt_get_bool(opts, "enable", false)) {
-#ifdef CONFIG_SECCOMP
- uint32_t seccomp_opts = QEMU_SECCOMP_SET_DEFAULT
- | QEMU_SECCOMP_SET_OBSOLETE;
- const char *value = NULL;
-
- value = qemu_opt_get(opts, "obsolete");
- if (value) {
- if (g_str_equal(value, "allow")) {
- seccomp_opts &= ~QEMU_SECCOMP_SET_OBSOLETE;
- } else if (g_str_equal(value, "deny")) {
- /* this is the default option, this if is here
- * to provide a little bit of consistency for
- * the command line */
- } else {
- error_report("invalid argument for obsolete");
- return -1;
- }
- }
-
- value = qemu_opt_get(opts, "elevateprivileges");
- if (value) {
- if (g_str_equal(value, "deny")) {
- seccomp_opts |= QEMU_SECCOMP_SET_PRIVILEGED;
- } else if (g_str_equal(value, "children")) {
- seccomp_opts |= QEMU_SECCOMP_SET_PRIVILEGED;
-
- /* calling prctl directly because we're
- * not sure if host has CAP_SYS_ADMIN set*/
- if (prctl(PR_SET_NO_NEW_PRIVS, 1)) {
- error_report("failed to set no_new_privs "
- "aborting");
- return -1;
- }
- } else if (g_str_equal(value, "allow")) {
- /* default value */
- } else {
- error_report("invalid argument for elevateprivileges");
- return -1;
- }
- }
-
- value = qemu_opt_get(opts, "spawn");
- if (value) {
- if (g_str_equal(value, "deny")) {
- seccomp_opts |= QEMU_SECCOMP_SET_SPAWN;
- } else if (g_str_equal(value, "allow")) {
- /* default value */
- } else {
- error_report("invalid argument for spawn");
- return -1;
- }
- }
-
- value = qemu_opt_get(opts, "resourcecontrol");
- if (value) {
- if (g_str_equal(value, "deny")) {
- seccomp_opts |= QEMU_SECCOMP_SET_RESOURCECTL;
- } else if (g_str_equal(value, "allow")) {
- /* default value */
- } else {
- error_report("invalid argument for resourcecontrol");
- return -1;
- }
- }
-
- if (seccomp_start(seccomp_opts) < 0) {
- error_report("failed to install seccomp syscall filter "
- "in the kernel");
- return -1;
- }
-#else
- error_report("seccomp support is disabled");
- return -1;
-#endif
- }
-
- return 0;
-}
-
static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
{
const char *proc_name;
static int powerdown_requested;
static int debug_requested;
static int suspend_requested;
+static bool preconfig_exit_requested = true;
static WakeupReason wakeup_reason;
static NotifierList powerdown_notifiers =
NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
return r;
}
+void qemu_exit_preconfig_request(void)
+{
+ preconfig_exit_requested = true;
+}
+
/*
* Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
*/
} else {
qemu_devices_reset();
}
- if (reason) {
+ if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
qapi_event_send_reset(shutdown_caused_by_guest(reason),
&error_abort);
}
void qemu_system_reset_request(ShutdownCause reason)
{
- if (no_reboot) {
+ if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
shutdown_requested = reason;
} else {
reset_requested = reason;
RunState r;
ShutdownCause request;
+ if (preconfig_exit_requested) {
+ if (runstate_check(RUN_STATE_PRECONFIG)) {
+ runstate_set(RUN_STATE_PRELAUNCH);
+ }
+ preconfig_exit_requested = false;
+ return true;
+ }
if (qemu_debug_requested()) {
vm_stop(RUN_STATE_DEBUG);
}
#ifdef CONFIG_PROFILER
int64_t ti;
#endif
- do {
+ while (!main_loop_should_exit()) {
#ifdef CONFIG_PROFILER
ti = profile_getclock();
#endif
#ifdef CONFIG_PROFILER
dev_time += profile_getclock() - ti;
#endif
- } while (!main_loop_should_exit());
+ }
}
static void version(void)
if (mc->alias) {
printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
}
- printf("%-20s %s%s\n", mc->name, mc->desc,
- mc->is_default ? " (default)" : "");
+ printf("%-20s %s%s%s\n", mc->name, mc->desc,
+ mc->is_default ? " (default)" : "",
+ mc->deprecation_reason ? " (deprecated)" : "");
}
}
if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
uint64_t overflow_check = sz;
- sz <<= 20;
- if ((sz >> 20) != overflow_check) {
+ sz *= MiB;
+ if (sz / MiB != overflow_check) {
error_report("too large 'size' option value");
exit(EXIT_FAILURE);
}
qemu_add_opts(&qemu_mem_opts);
qemu_add_opts(&qemu_smp_opts);
qemu_add_opts(&qemu_boot_opts);
- qemu_add_opts(&qemu_sandbox_opts);
qemu_add_opts(&qemu_add_fd_opts);
qemu_add_opts(&qemu_object_opts);
qemu_add_opts(&qemu_tpmdev_opts);
runstate_init();
postcopy_infrastructure_init();
+ monitor_init_globals();
if (qcrypto_init(&err) < 0) {
error_reportf_err(err, "cannot initialize crypto: ");
exit(1);
}
break;
+ case QEMU_OPTION_preconfig:
+ preconfig_exit_requested = false;
+ break;
case QEMU_OPTION_enable_kvm:
olist = qemu_find_opts("machine");
qemu_opts_parse_noisily(olist, "accel=kvm", false);
break;
case QEMU_OPTION_enable_hax:
+ warn_report("Option is deprecated, use '-accel hax' instead");
olist = qemu_find_opts("machine");
qemu_opts_parse_noisily(olist, "accel=hax", false);
break;
/* Clock options no longer exist. Keep this option for
* backward compatibility.
*/
+ warn_report("This option is ignored and will be removed soon");
break;
case QEMU_OPTION_startdate:
warn_report("This option is deprecated, use '-rtc base=' instead.");
qtest_log = optarg;
break;
case QEMU_OPTION_sandbox:
+#ifdef CONFIG_SECCOMP
opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
optarg, true);
if (!opts) {
exit(1);
}
+#else
+ error_report("-sandbox support is not enabled "
+ "in this QEMU binary");
+ exit(1);
+#endif
break;
case QEMU_OPTION_add_fd:
#ifndef _WIN32
if (!opts) {
exit(1);
}
- enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
+ /* Don't override the -overcommit option if set */
+ enable_mlock = enable_mlock ||
+ qemu_opt_get_bool(opts, "mlock", true);
+ break;
+ case QEMU_OPTION_overcommit:
+ opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
+ optarg, false);
+ if (!opts) {
+ exit(1);
+ }
+ /* Don't override the -realtime option if set */
+ enable_mlock = enable_mlock ||
+ qemu_opt_get_bool(opts, "mem-lock", false);
+ enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false);
break;
case QEMU_OPTION_msg:
opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
replay_configure(icount_opts);
+ if (incoming && !preconfig_exit_requested) {
+ error_report("'preconfig' and 'incoming' options are "
+ "mutually exclusive");
+ exit(EXIT_FAILURE);
+ }
+
machine_class = select_machine();
set_memory_options(&ram_slots, &maxram_size, machine_class);
exit(1);
}
+#ifdef CONFIG_SECCOMP
if (qemu_opts_foreach(qemu_find_opts("sandbox"),
parse_sandbox, NULL, NULL)) {
exit(1);
}
+#endif
if (qemu_opts_foreach(qemu_find_opts("name"),
parse_name, NULL, NULL)) {
}
if (is_daemonized()) {
+ if (!preconfig_exit_requested) {
+ error_report("'preconfig' and 'daemonize' options are "
+ "mutually exclusive");
+ exit(EXIT_FAILURE);
+ }
+
/* According to documentation and historically, -nographic redirects
* serial port, parallel port and monitor to stdio, which does not work
* with -daemonize. We can redirect these to null instead, but since
configure_accelerator(current_machine);
+ if (!qtest_enabled() && machine_class->deprecation_reason) {
+ error_report("Machine type '%s' is deprecated: %s",
+ machine_class->name, machine_class->deprecation_reason);
+ }
+
/*
* Register all the global properties, including accel properties,
* machine properties, and user-specified ones.
default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
- /*
- * Note: qtest_enabled() (which is used in monitor_qapi_event_init())
- * depends on configure_accelerator() above.
- */
- monitor_init_globals();
-
if (qemu_opts_foreach(qemu_find_opts("mon"),
mon_init_func, NULL, NULL)) {
exit(1);
}
parse_numa_opts(current_machine);
+ /* do monitor/qmp handling at preconfig state if requested */
+ main_loop();
+
+ /* from here on runstate is RUN_STATE_PRELAUNCH */
machine_run_board_init(current_machine);
realtime_init();
projects / mirror_qemu.git / blobdiff