8cb30e3aec
Store the smp sockets in CpuTopology. The socket information required to build the apic id in EPYC mode. Right now socket information is not passed to down when decoding the apic id. Add the socket information here. Signed-off-by: Babu Moger <babu.moger@amd.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Message-Id: <158396718647.58170.2278448323151215741.stgit@naples-babu.amd.com>
4503 lines
134 KiB
C
4503 lines
134 KiB
C
/*
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* QEMU System Emulator
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*
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* Copyright (c) 2003-2008 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "qemu/osdep.h"
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#include "qemu-common.h"
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#include "qemu/units.h"
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#include "hw/boards.h"
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#include "hw/qdev-properties.h"
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#include "qapi/error.h"
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#include "qemu-version.h"
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#include "qemu/cutils.h"
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#include "qemu/help_option.h"
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#include "qemu/uuid.h"
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#include "sysemu/reset.h"
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#include "sysemu/runstate.h"
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#include "sysemu/seccomp.h"
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#include "sysemu/tcg.h"
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#include "qemu/error-report.h"
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#include "qemu/sockets.h"
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#include "sysemu/accel.h"
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#include "hw/usb.h"
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#include "hw/isa/isa.h"
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#include "hw/scsi/scsi.h"
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#include "hw/display/vga.h"
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#include "sysemu/watchdog.h"
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#include "hw/firmware/smbios.h"
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#include "hw/acpi/acpi.h"
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#include "hw/xen/xen.h"
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#include "hw/loader.h"
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#include "monitor/qdev.h"
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#include "net/net.h"
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#include "net/slirp.h"
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#include "monitor/monitor.h"
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#include "ui/console.h"
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#include "ui/input.h"
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#include "sysemu/sysemu.h"
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#include "sysemu/numa.h"
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#include "sysemu/hostmem.h"
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#include "exec/gdbstub.h"
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#include "qemu/timer.h"
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#include "chardev/char.h"
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#include "qemu/bitmap.h"
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#include "qemu/log.h"
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#include "sysemu/blockdev.h"
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#include "hw/block/block.h"
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#include "migration/misc.h"
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#include "migration/snapshot.h"
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#include "migration/global_state.h"
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#include "sysemu/tpm.h"
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#include "sysemu/dma.h"
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#include "hw/audio/soundhw.h"
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#include "audio/audio.h"
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#include "sysemu/cpus.h"
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#include "migration/colo.h"
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#include "migration/postcopy-ram.h"
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#include "sysemu/kvm.h"
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#include "sysemu/hax.h"
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#include "qapi/qobject-input-visitor.h"
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#include "qemu/option.h"
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#include "qemu/config-file.h"
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#include "qemu-options.h"
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#include "qemu/main-loop.h"
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#ifdef CONFIG_VIRTFS
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#include "fsdev/qemu-fsdev.h"
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#endif
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#include "sysemu/qtest.h"
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#include "disas/disas.h"
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#include "trace-root.h"
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#include "trace/control.h"
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#include "qemu/plugin.h"
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#include "qemu/queue.h"
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#include "sysemu/arch_init.h"
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#include "ui/qemu-spice.h"
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#include "qapi/string-input-visitor.h"
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#include "qapi/opts-visitor.h"
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#include "qapi/clone-visitor.h"
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#include "qom/object_interfaces.h"
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#include "hw/semihosting/semihost.h"
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#include "crypto/init.h"
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#include "sysemu/replay.h"
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#include "qapi/qapi-events-run-state.h"
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#include "qapi/qapi-visit-block-core.h"
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#include "qapi/qapi-visit-ui.h"
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#include "qapi/qapi-commands-block-core.h"
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#include "qapi/qapi-commands-run-state.h"
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#include "qapi/qapi-commands-ui.h"
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#include "qapi/qmp/qerror.h"
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#include "sysemu/iothread.h"
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#include "qemu/guest-random.h"
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#define MAX_VIRTIO_CONSOLES 1
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static const char *data_dir[16];
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static int data_dir_idx;
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const char *bios_name = NULL;
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enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
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int display_opengl;
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const char* keyboard_layout = NULL;
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ram_addr_t ram_size;
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bool enable_mlock = false;
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bool enable_cpu_pm = false;
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int nb_nics;
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NICInfo nd_table[MAX_NICS];
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int autostart;
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static enum {
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RTC_BASE_UTC,
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RTC_BASE_LOCALTIME,
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RTC_BASE_DATETIME,
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} rtc_base_type = RTC_BASE_UTC;
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static time_t rtc_ref_start_datetime;
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static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */
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static int rtc_host_datetime_offset = -1; /* valid & used only with
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RTC_BASE_DATETIME */
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QEMUClockType rtc_clock;
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int vga_interface_type = VGA_NONE;
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static DisplayOptions dpy;
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static int num_serial_hds;
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static Chardev **serial_hds;
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Chardev *parallel_hds[MAX_PARALLEL_PORTS];
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int win2k_install_hack = 0;
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int singlestep = 0;
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int acpi_enabled = 1;
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int no_hpet = 0;
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int fd_bootchk = 1;
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static int no_reboot;
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int no_shutdown = 0;
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int graphic_rotate = 0;
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const char *watchdog;
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QEMUOptionRom option_rom[MAX_OPTION_ROMS];
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int nb_option_roms;
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int old_param = 0;
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const char *qemu_name;
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int alt_grab = 0;
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int ctrl_grab = 0;
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unsigned int nb_prom_envs = 0;
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const char *prom_envs[MAX_PROM_ENVS];
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int boot_menu;
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bool boot_strict;
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uint8_t *boot_splash_filedata;
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int only_migratable; /* turn it off unless user states otherwise */
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bool wakeup_suspend_enabled;
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int icount_align_option;
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/* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
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* little-endian "wire format" described in the SMBIOS 2.6 specification.
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*/
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QemuUUID qemu_uuid;
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bool qemu_uuid_set;
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static NotifierList exit_notifiers =
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NOTIFIER_LIST_INITIALIZER(exit_notifiers);
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static NotifierList machine_init_done_notifiers =
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NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
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bool xen_allowed;
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uint32_t xen_domid;
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enum xen_mode xen_mode = XEN_EMULATE;
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bool xen_domid_restrict;
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static int has_defaults = 1;
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static int default_serial = 1;
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static int default_parallel = 1;
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static int default_monitor = 1;
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static int default_floppy = 1;
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static int default_cdrom = 1;
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static int default_sdcard = 1;
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static int default_vga = 1;
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static int default_net = 1;
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static struct {
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const char *driver;
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int *flag;
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} default_list[] = {
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{ .driver = "isa-serial", .flag = &default_serial },
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{ .driver = "isa-parallel", .flag = &default_parallel },
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{ .driver = "isa-fdc", .flag = &default_floppy },
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{ .driver = "floppy", .flag = &default_floppy },
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{ .driver = "ide-cd", .flag = &default_cdrom },
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{ .driver = "ide-hd", .flag = &default_cdrom },
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{ .driver = "ide-drive", .flag = &default_cdrom },
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{ .driver = "scsi-cd", .flag = &default_cdrom },
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{ .driver = "scsi-hd", .flag = &default_cdrom },
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{ .driver = "VGA", .flag = &default_vga },
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{ .driver = "isa-vga", .flag = &default_vga },
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{ .driver = "cirrus-vga", .flag = &default_vga },
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{ .driver = "isa-cirrus-vga", .flag = &default_vga },
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{ .driver = "vmware-svga", .flag = &default_vga },
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{ .driver = "qxl-vga", .flag = &default_vga },
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{ .driver = "virtio-vga", .flag = &default_vga },
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{ .driver = "ati-vga", .flag = &default_vga },
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{ .driver = "vhost-user-vga", .flag = &default_vga },
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};
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static QemuOptsList qemu_rtc_opts = {
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.name = "rtc",
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.head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
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.merge_lists = true,
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.desc = {
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{
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.name = "base",
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.type = QEMU_OPT_STRING,
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},{
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.name = "clock",
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.type = QEMU_OPT_STRING,
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},{
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.name = "driftfix",
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.type = QEMU_OPT_STRING,
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},
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{ /* end of list */ }
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},
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};
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static QemuOptsList qemu_option_rom_opts = {
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.name = "option-rom",
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.implied_opt_name = "romfile",
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.head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
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.desc = {
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{
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.name = "bootindex",
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.type = QEMU_OPT_NUMBER,
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}, {
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.name = "romfile",
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.type = QEMU_OPT_STRING,
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},
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{ /* end of list */ }
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},
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};
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static QemuOptsList qemu_machine_opts = {
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.name = "machine",
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.implied_opt_name = "type",
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.merge_lists = true,
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.head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
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.desc = {
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/*
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* no elements => accept any
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* sanity checking will happen later
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* when setting machine properties
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*/
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{ }
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},
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};
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static QemuOptsList qemu_accel_opts = {
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.name = "accel",
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.implied_opt_name = "accel",
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.head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head),
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.desc = {
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/*
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* no elements => accept any
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* sanity checking will happen later
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* when setting accelerator properties
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*/
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{ }
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},
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};
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static QemuOptsList qemu_boot_opts = {
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.name = "boot-opts",
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.implied_opt_name = "order",
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.merge_lists = true,
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.head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
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.desc = {
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{
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.name = "order",
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.type = QEMU_OPT_STRING,
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}, {
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.name = "once",
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.type = QEMU_OPT_STRING,
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}, {
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.name = "menu",
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.type = QEMU_OPT_BOOL,
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}, {
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.name = "splash",
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.type = QEMU_OPT_STRING,
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}, {
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.name = "splash-time",
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.type = QEMU_OPT_NUMBER,
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}, {
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.name = "reboot-timeout",
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.type = QEMU_OPT_NUMBER,
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}, {
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.name = "strict",
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.type = QEMU_OPT_BOOL,
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},
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{ /*End of list */ }
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},
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};
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static QemuOptsList qemu_add_fd_opts = {
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.name = "add-fd",
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.head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
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.desc = {
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{
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.name = "fd",
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.type = QEMU_OPT_NUMBER,
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.help = "file descriptor of which a duplicate is added to fd set",
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},{
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.name = "set",
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.type = QEMU_OPT_NUMBER,
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.help = "ID of the fd set to add fd to",
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},{
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.name = "opaque",
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.type = QEMU_OPT_STRING,
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.help = "free-form string used to describe fd",
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},
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{ /* end of list */ }
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},
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};
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static QemuOptsList qemu_object_opts = {
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.name = "object",
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.implied_opt_name = "qom-type",
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.head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
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.desc = {
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{ }
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},
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};
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static QemuOptsList qemu_tpmdev_opts = {
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.name = "tpmdev",
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.implied_opt_name = "type",
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.head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
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.desc = {
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/* options are defined in the TPM backends */
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{ /* end of list */ }
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},
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};
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static QemuOptsList qemu_realtime_opts = {
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.name = "realtime",
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.head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
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.desc = {
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{
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.name = "mlock",
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.type = QEMU_OPT_BOOL,
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},
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{ /* end of list */ }
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},
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};
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static QemuOptsList qemu_overcommit_opts = {
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.name = "overcommit",
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.head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head),
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.desc = {
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{
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.name = "mem-lock",
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.type = QEMU_OPT_BOOL,
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},
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{
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.name = "cpu-pm",
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.type = QEMU_OPT_BOOL,
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},
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{ /* end of list */ }
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},
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};
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static QemuOptsList qemu_msg_opts = {
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.name = "msg",
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.head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
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.desc = {
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{
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.name = "timestamp",
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.type = QEMU_OPT_BOOL,
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},
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{ /* end of list */ }
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},
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};
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static QemuOptsList qemu_name_opts = {
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.name = "name",
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.implied_opt_name = "guest",
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.merge_lists = true,
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.head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
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.desc = {
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{
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.name = "guest",
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.type = QEMU_OPT_STRING,
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.help = "Sets the name of the guest.\n"
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"This name will be displayed in the SDL window caption.\n"
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"The name will also be used for the VNC server",
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}, {
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.name = "process",
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.type = QEMU_OPT_STRING,
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.help = "Sets the name of the QEMU process, as shown in top etc",
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}, {
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.name = "debug-threads",
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.type = QEMU_OPT_BOOL,
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.help = "When enabled, name the individual threads; defaults off.\n"
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"NOTE: The thread names are for debugging and not a\n"
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"stable API.",
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},
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{ /* End of list */ }
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},
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};
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static QemuOptsList qemu_mem_opts = {
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.name = "memory",
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.implied_opt_name = "size",
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.head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
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.merge_lists = true,
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.desc = {
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{
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.name = "size",
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.type = QEMU_OPT_SIZE,
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},
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{
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.name = "slots",
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.type = QEMU_OPT_NUMBER,
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},
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{
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.name = "maxmem",
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.type = QEMU_OPT_SIZE,
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},
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{ /* end of list */ }
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},
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};
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static QemuOptsList qemu_icount_opts = {
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.name = "icount",
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|
.implied_opt_name = "shift",
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|
.merge_lists = true,
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.head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
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.desc = {
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{
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.name = "shift",
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.type = QEMU_OPT_STRING,
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}, {
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.name = "align",
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.type = QEMU_OPT_BOOL,
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}, {
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.name = "sleep",
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.type = QEMU_OPT_BOOL,
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}, {
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.name = "rr",
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.type = QEMU_OPT_STRING,
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}, {
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.name = "rrfile",
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.type = QEMU_OPT_STRING,
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}, {
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.name = "rrsnapshot",
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.type = QEMU_OPT_STRING,
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},
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{ /* end of list */ }
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},
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};
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|
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static QemuOptsList qemu_fw_cfg_opts = {
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.name = "fw_cfg",
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.implied_opt_name = "name",
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.head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
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.desc = {
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{
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.name = "name",
|
|
.type = QEMU_OPT_STRING,
|
|
.help = "Sets the fw_cfg name of the blob to be inserted",
|
|
}, {
|
|
.name = "file",
|
|
.type = QEMU_OPT_STRING,
|
|
.help = "Sets the name of the file from which "
|
|
"the fw_cfg blob will be loaded",
|
|
}, {
|
|
.name = "string",
|
|
.type = QEMU_OPT_STRING,
|
|
.help = "Sets content of the blob to be inserted from a string",
|
|
},
|
|
{ /* end of list */ }
|
|
},
|
|
};
|
|
|
|
/**
|
|
* Get machine options
|
|
*
|
|
* Returns: machine options (never null).
|
|
*/
|
|
QemuOpts *qemu_get_machine_opts(void)
|
|
{
|
|
return qemu_find_opts_singleton("machine");
|
|
}
|
|
|
|
const char *qemu_get_vm_name(void)
|
|
{
|
|
return qemu_name;
|
|
}
|
|
|
|
static void res_free(void)
|
|
{
|
|
g_free(boot_splash_filedata);
|
|
boot_splash_filedata = NULL;
|
|
}
|
|
|
|
static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
|
|
{
|
|
const char *driver = qemu_opt_get(opts, "driver");
|
|
int i;
|
|
|
|
if (!driver)
|
|
return 0;
|
|
for (i = 0; i < ARRAY_SIZE(default_list); i++) {
|
|
if (strcmp(default_list[i].driver, driver) != 0)
|
|
continue;
|
|
*(default_list[i].flag) = 0;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* QEMU state */
|
|
|
|
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 QemuMutex vmstop_lock;
|
|
|
|
typedef struct {
|
|
RunState from;
|
|
RunState to;
|
|
} RunStateTransition;
|
|
|
|
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 },
|
|
|
|
{ RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
|
|
{ RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
|
|
{ RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
|
|
{ RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
|
|
{ RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
|
|
{ RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
|
|
{ RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
|
|
{ RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
|
|
{ RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
|
|
{ RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
|
|
{ RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
|
|
{ RUN_STATE_INMIGRATE, RUN_STATE_COLO },
|
|
|
|
{ RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
|
|
{ RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
|
|
{ RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
|
|
|
|
{ RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
|
|
{ RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
|
|
{ RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
|
|
|
|
{ RUN_STATE_PAUSED, RUN_STATE_RUNNING },
|
|
{ RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
|
|
{ RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE },
|
|
{ RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
|
|
{ RUN_STATE_PAUSED, RUN_STATE_COLO},
|
|
|
|
{ RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
|
|
{ RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
|
|
{ RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
|
|
|
|
{ RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
|
|
{ RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
|
|
{ RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
|
|
|
|
{ RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
|
|
{ RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED },
|
|
{ RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
|
|
{ RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
|
|
{ RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
|
|
|
|
{ RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
|
|
{ RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
|
|
|
|
{ RUN_STATE_COLO, RUN_STATE_RUNNING },
|
|
|
|
{ RUN_STATE_RUNNING, RUN_STATE_DEBUG },
|
|
{ RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
|
|
{ RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
|
|
{ RUN_STATE_RUNNING, RUN_STATE_PAUSED },
|
|
{ RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
|
|
{ RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
|
|
{ RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
|
|
{ RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
|
|
{ RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
|
|
{ RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
|
|
{ RUN_STATE_RUNNING, RUN_STATE_COLO},
|
|
|
|
{ RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
|
|
|
|
{ RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
|
|
{ RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
|
|
{ RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
|
|
|
|
{ RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
|
|
{ RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
|
|
{ RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
|
|
{ RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
|
|
{ RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
|
|
{ RUN_STATE_SUSPENDED, RUN_STATE_COLO},
|
|
|
|
{ RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
|
|
{ RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
|
|
{ RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
|
|
{ RUN_STATE_WATCHDOG, RUN_STATE_COLO},
|
|
|
|
{ RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
|
|
{ RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
|
|
{ RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
|
|
|
|
{ RUN_STATE__MAX, RUN_STATE__MAX },
|
|
};
|
|
|
|
static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
|
|
|
|
bool runstate_check(RunState state)
|
|
{
|
|
return current_run_state == state;
|
|
}
|
|
|
|
bool runstate_store(char *str, size_t size)
|
|
{
|
|
const char *state = RunState_str(current_run_state);
|
|
size_t len = strlen(state) + 1;
|
|
|
|
if (len > size) {
|
|
return false;
|
|
}
|
|
memcpy(str, state, len);
|
|
return true;
|
|
}
|
|
|
|
static void runstate_init(void)
|
|
{
|
|
const RunStateTransition *p;
|
|
|
|
memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
|
|
for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
|
|
runstate_valid_transitions[p->from][p->to] = true;
|
|
}
|
|
|
|
qemu_mutex_init(&vmstop_lock);
|
|
}
|
|
|
|
/* This function will abort() on invalid state transitions */
|
|
void runstate_set(RunState new_state)
|
|
{
|
|
assert(new_state < RUN_STATE__MAX);
|
|
|
|
trace_runstate_set(current_run_state, RunState_str(current_run_state),
|
|
new_state, RunState_str(new_state));
|
|
|
|
if (current_run_state == new_state) {
|
|
return;
|
|
}
|
|
|
|
if (!runstate_valid_transitions[current_run_state][new_state]) {
|
|
error_report("invalid runstate transition: '%s' -> '%s'",
|
|
RunState_str(current_run_state),
|
|
RunState_str(new_state));
|
|
abort();
|
|
}
|
|
|
|
current_run_state = new_state;
|
|
}
|
|
|
|
int runstate_is_running(void)
|
|
{
|
|
return runstate_check(RUN_STATE_RUNNING);
|
|
}
|
|
|
|
bool runstate_needs_reset(void)
|
|
{
|
|
return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
|
|
runstate_check(RUN_STATE_SHUTDOWN);
|
|
}
|
|
|
|
StatusInfo *qmp_query_status(Error **errp)
|
|
{
|
|
StatusInfo *info = g_malloc0(sizeof(*info));
|
|
|
|
info->running = runstate_is_running();
|
|
info->singlestep = singlestep;
|
|
info->status = current_run_state;
|
|
|
|
return info;
|
|
}
|
|
|
|
bool qemu_vmstop_requested(RunState *r)
|
|
{
|
|
qemu_mutex_lock(&vmstop_lock);
|
|
*r = vmstop_requested;
|
|
vmstop_requested = RUN_STATE__MAX;
|
|
qemu_mutex_unlock(&vmstop_lock);
|
|
return *r < RUN_STATE__MAX;
|
|
}
|
|
|
|
void qemu_system_vmstop_request_prepare(void)
|
|
{
|
|
qemu_mutex_lock(&vmstop_lock);
|
|
}
|
|
|
|
void qemu_system_vmstop_request(RunState state)
|
|
{
|
|
vmstop_requested = state;
|
|
qemu_mutex_unlock(&vmstop_lock);
|
|
qemu_notify_event();
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* RTC reference time/date access */
|
|
static time_t qemu_ref_timedate(QEMUClockType clock)
|
|
{
|
|
time_t value = qemu_clock_get_ms(clock) / 1000;
|
|
switch (clock) {
|
|
case QEMU_CLOCK_REALTIME:
|
|
value -= rtc_realtime_clock_offset;
|
|
/* fall through */
|
|
case QEMU_CLOCK_VIRTUAL:
|
|
value += rtc_ref_start_datetime;
|
|
break;
|
|
case QEMU_CLOCK_HOST:
|
|
if (rtc_base_type == RTC_BASE_DATETIME) {
|
|
value -= rtc_host_datetime_offset;
|
|
}
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
return value;
|
|
}
|
|
|
|
void qemu_get_timedate(struct tm *tm, int offset)
|
|
{
|
|
time_t ti = qemu_ref_timedate(rtc_clock);
|
|
|
|
ti += offset;
|
|
|
|
switch (rtc_base_type) {
|
|
case RTC_BASE_DATETIME:
|
|
case RTC_BASE_UTC:
|
|
gmtime_r(&ti, tm);
|
|
break;
|
|
case RTC_BASE_LOCALTIME:
|
|
localtime_r(&ti, tm);
|
|
break;
|
|
}
|
|
}
|
|
|
|
int qemu_timedate_diff(struct tm *tm)
|
|
{
|
|
time_t seconds;
|
|
|
|
switch (rtc_base_type) {
|
|
case RTC_BASE_DATETIME:
|
|
case RTC_BASE_UTC:
|
|
seconds = mktimegm(tm);
|
|
break;
|
|
case RTC_BASE_LOCALTIME:
|
|
{
|
|
struct tm tmp = *tm;
|
|
tmp.tm_isdst = -1; /* use timezone to figure it out */
|
|
seconds = mktime(&tmp);
|
|
break;
|
|
}
|
|
default:
|
|
abort();
|
|
}
|
|
|
|
return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST);
|
|
}
|
|
|
|
static void configure_rtc_base_datetime(const char *startdate)
|
|
{
|
|
time_t rtc_start_datetime;
|
|
struct tm tm;
|
|
|
|
if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon,
|
|
&tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
|
|
/* OK */
|
|
} else if (sscanf(startdate, "%d-%d-%d",
|
|
&tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) {
|
|
tm.tm_hour = 0;
|
|
tm.tm_min = 0;
|
|
tm.tm_sec = 0;
|
|
} else {
|
|
goto date_fail;
|
|
}
|
|
tm.tm_year -= 1900;
|
|
tm.tm_mon--;
|
|
rtc_start_datetime = mktimegm(&tm);
|
|
if (rtc_start_datetime == -1) {
|
|
date_fail:
|
|
error_report("invalid datetime format");
|
|
error_printf("valid formats: "
|
|
"'2006-06-17T16:01:21' or '2006-06-17'\n");
|
|
exit(1);
|
|
}
|
|
rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime;
|
|
rtc_ref_start_datetime = rtc_start_datetime;
|
|
}
|
|
|
|
static void configure_rtc(QemuOpts *opts)
|
|
{
|
|
const char *value;
|
|
|
|
/* Set defaults */
|
|
rtc_clock = QEMU_CLOCK_HOST;
|
|
rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
|
|
rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000;
|
|
|
|
value = qemu_opt_get(opts, "base");
|
|
if (value) {
|
|
if (!strcmp(value, "utc")) {
|
|
rtc_base_type = RTC_BASE_UTC;
|
|
} else if (!strcmp(value, "localtime")) {
|
|
Error *blocker = NULL;
|
|
rtc_base_type = RTC_BASE_LOCALTIME;
|
|
error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
|
|
"-rtc base=localtime");
|
|
replay_add_blocker(blocker);
|
|
} else {
|
|
rtc_base_type = RTC_BASE_DATETIME;
|
|
configure_rtc_base_datetime(value);
|
|
}
|
|
}
|
|
value = qemu_opt_get(opts, "clock");
|
|
if (value) {
|
|
if (!strcmp(value, "host")) {
|
|
rtc_clock = QEMU_CLOCK_HOST;
|
|
} else if (!strcmp(value, "rt")) {
|
|
rtc_clock = QEMU_CLOCK_REALTIME;
|
|
} else if (!strcmp(value, "vm")) {
|
|
rtc_clock = QEMU_CLOCK_VIRTUAL;
|
|
} else {
|
|
error_report("invalid option value '%s'", value);
|
|
exit(1);
|
|
}
|
|
}
|
|
value = qemu_opt_get(opts, "driftfix");
|
|
if (value) {
|
|
if (!strcmp(value, "slew")) {
|
|
object_register_sugar_prop("mc146818rtc",
|
|
"lost_tick_policy",
|
|
"slew");
|
|
} else if (!strcmp(value, "none")) {
|
|
/* discard is default */
|
|
} else {
|
|
error_report("invalid option value '%s'", value);
|
|
exit(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
|
|
{
|
|
const char *proc_name;
|
|
|
|
if (qemu_opt_get(opts, "debug-threads")) {
|
|
qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
|
|
}
|
|
qemu_name = qemu_opt_get(opts, "guest");
|
|
|
|
proc_name = qemu_opt_get(opts, "process");
|
|
if (proc_name) {
|
|
os_set_proc_name(proc_name);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
bool defaults_enabled(void)
|
|
{
|
|
return has_defaults;
|
|
}
|
|
|
|
#ifndef _WIN32
|
|
static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
|
|
{
|
|
int fd, dupfd, flags;
|
|
int64_t fdset_id;
|
|
const char *fd_opaque = NULL;
|
|
AddfdInfo *fdinfo;
|
|
|
|
fd = qemu_opt_get_number(opts, "fd", -1);
|
|
fdset_id = qemu_opt_get_number(opts, "set", -1);
|
|
fd_opaque = qemu_opt_get(opts, "opaque");
|
|
|
|
if (fd < 0) {
|
|
error_setg(errp, "fd option is required and must be non-negative");
|
|
return -1;
|
|
}
|
|
|
|
if (fd <= STDERR_FILENO) {
|
|
error_setg(errp, "fd cannot be a standard I/O stream");
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
* All fds inherited across exec() necessarily have FD_CLOEXEC
|
|
* clear, while qemu sets FD_CLOEXEC on all other fds used internally.
|
|
*/
|
|
flags = fcntl(fd, F_GETFD);
|
|
if (flags == -1 || (flags & FD_CLOEXEC)) {
|
|
error_setg(errp, "fd is not valid or already in use");
|
|
return -1;
|
|
}
|
|
|
|
if (fdset_id < 0) {
|
|
error_setg(errp, "set option is required and must be non-negative");
|
|
return -1;
|
|
}
|
|
|
|
#ifdef F_DUPFD_CLOEXEC
|
|
dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
|
|
#else
|
|
dupfd = dup(fd);
|
|
if (dupfd != -1) {
|
|
qemu_set_cloexec(dupfd);
|
|
}
|
|
#endif
|
|
if (dupfd == -1) {
|
|
error_setg(errp, "error duplicating fd: %s", strerror(errno));
|
|
return -1;
|
|
}
|
|
|
|
/* add the duplicate fd, and optionally the opaque string, to the fd set */
|
|
fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
|
|
&error_abort);
|
|
g_free(fdinfo);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
|
|
{
|
|
int fd;
|
|
|
|
fd = qemu_opt_get_number(opts, "fd", -1);
|
|
close(fd);
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
/***********************************************************/
|
|
/* QEMU Block devices */
|
|
|
|
#define HD_OPTS "media=disk"
|
|
#define CDROM_OPTS "media=cdrom"
|
|
#define FD_OPTS ""
|
|
#define PFLASH_OPTS ""
|
|
#define MTD_OPTS ""
|
|
#define SD_OPTS ""
|
|
|
|
static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
|
|
{
|
|
BlockInterfaceType *block_default_type = opaque;
|
|
|
|
return drive_new(opts, *block_default_type, errp) == NULL;
|
|
}
|
|
|
|
static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
|
|
{
|
|
if (qemu_opt_get(opts, "snapshot") == NULL) {
|
|
qemu_opt_set(opts, "snapshot", "on", &error_abort);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void default_drive(int enable, int snapshot, BlockInterfaceType type,
|
|
int index, const char *optstr)
|
|
{
|
|
QemuOpts *opts;
|
|
DriveInfo *dinfo;
|
|
|
|
if (!enable || drive_get_by_index(type, index)) {
|
|
return;
|
|
}
|
|
|
|
opts = drive_add(type, index, NULL, optstr);
|
|
if (snapshot) {
|
|
drive_enable_snapshot(NULL, opts, NULL);
|
|
}
|
|
|
|
dinfo = drive_new(opts, type, &error_abort);
|
|
dinfo->is_default = true;
|
|
|
|
}
|
|
|
|
typedef struct BlockdevOptionsQueueEntry {
|
|
BlockdevOptions *bdo;
|
|
Location loc;
|
|
QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry) entry;
|
|
} BlockdevOptionsQueueEntry;
|
|
|
|
typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry) BlockdevOptionsQueue;
|
|
|
|
static void configure_blockdev(BlockdevOptionsQueue *bdo_queue,
|
|
MachineClass *machine_class, int snapshot)
|
|
{
|
|
/*
|
|
* If the currently selected machine wishes to override the
|
|
* units-per-bus property of its default HBA interface type, do so
|
|
* now.
|
|
*/
|
|
if (machine_class->units_per_default_bus) {
|
|
override_max_devs(machine_class->block_default_type,
|
|
machine_class->units_per_default_bus);
|
|
}
|
|
|
|
/* open the virtual block devices */
|
|
while (!QSIMPLEQ_EMPTY(bdo_queue)) {
|
|
BlockdevOptionsQueueEntry *bdo = QSIMPLEQ_FIRST(bdo_queue);
|
|
|
|
QSIMPLEQ_REMOVE_HEAD(bdo_queue, entry);
|
|
loc_push_restore(&bdo->loc);
|
|
qmp_blockdev_add(bdo->bdo, &error_fatal);
|
|
loc_pop(&bdo->loc);
|
|
qapi_free_BlockdevOptions(bdo->bdo);
|
|
g_free(bdo);
|
|
}
|
|
if (snapshot) {
|
|
qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
|
|
NULL, NULL);
|
|
}
|
|
if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
|
|
&machine_class->block_default_type, &error_fatal)) {
|
|
/* We printed help */
|
|
exit(0);
|
|
}
|
|
|
|
default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
|
|
CDROM_OPTS);
|
|
default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
|
|
default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
|
|
|
|
}
|
|
|
|
static QemuOptsList qemu_smp_opts = {
|
|
.name = "smp-opts",
|
|
.implied_opt_name = "cpus",
|
|
.merge_lists = true,
|
|
.head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
|
|
.desc = {
|
|
{
|
|
.name = "cpus",
|
|
.type = QEMU_OPT_NUMBER,
|
|
}, {
|
|
.name = "sockets",
|
|
.type = QEMU_OPT_NUMBER,
|
|
}, {
|
|
.name = "dies",
|
|
.type = QEMU_OPT_NUMBER,
|
|
}, {
|
|
.name = "cores",
|
|
.type = QEMU_OPT_NUMBER,
|
|
}, {
|
|
.name = "threads",
|
|
.type = QEMU_OPT_NUMBER,
|
|
}, {
|
|
.name = "maxcpus",
|
|
.type = QEMU_OPT_NUMBER,
|
|
},
|
|
{ /*End of list */ }
|
|
},
|
|
};
|
|
|
|
static void realtime_init(void)
|
|
{
|
|
if (enable_mlock) {
|
|
if (os_mlock() < 0) {
|
|
error_report("locking memory failed");
|
|
exit(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
static void configure_msg(QemuOpts *opts)
|
|
{
|
|
error_with_timestamp = qemu_opt_get_bool(opts, "timestamp", false);
|
|
}
|
|
|
|
|
|
/***********************************************************/
|
|
/* USB devices */
|
|
|
|
static int usb_device_add(const char *devname)
|
|
{
|
|
USBDevice *dev = NULL;
|
|
|
|
if (!machine_usb(current_machine)) {
|
|
return -1;
|
|
}
|
|
|
|
dev = usbdevice_create(devname);
|
|
if (!dev)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int usb_parse(const char *cmdline)
|
|
{
|
|
int r;
|
|
r = usb_device_add(cmdline);
|
|
if (r < 0) {
|
|
error_report("could not add USB device '%s'", cmdline);
|
|
}
|
|
return r;
|
|
}
|
|
|
|
/***********************************************************/
|
|
/* machine registration */
|
|
|
|
MachineState *current_machine;
|
|
|
|
static MachineClass *find_machine(const char *name, GSList *machines)
|
|
{
|
|
GSList *el;
|
|
|
|
for (el = machines; el; el = el->next) {
|
|
MachineClass *mc = el->data;
|
|
|
|
if (!strcmp(mc->name, name) || !g_strcmp0(mc->alias, name)) {
|
|
return mc;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static MachineClass *find_default_machine(GSList *machines)
|
|
{
|
|
GSList *el;
|
|
MachineClass *default_machineclass = NULL;
|
|
|
|
for (el = machines; el; el = el->next) {
|
|
MachineClass *mc = el->data;
|
|
|
|
if (mc->is_default) {
|
|
assert(default_machineclass == NULL && "Multiple default machines");
|
|
default_machineclass = mc;
|
|
}
|
|
}
|
|
|
|
return default_machineclass;
|
|
}
|
|
|
|
static int machine_help_func(QemuOpts *opts, MachineState *machine)
|
|
{
|
|
ObjectProperty *prop;
|
|
ObjectPropertyIterator iter;
|
|
|
|
if (!qemu_opt_has_help_opt(opts)) {
|
|
return 0;
|
|
}
|
|
|
|
object_property_iter_init(&iter, OBJECT(machine));
|
|
while ((prop = object_property_iter_next(&iter))) {
|
|
if (!prop->set) {
|
|
continue;
|
|
}
|
|
|
|
printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
|
|
prop->name, prop->type);
|
|
if (prop->description) {
|
|
printf(" (%s)\n", prop->description);
|
|
} else {
|
|
printf("\n");
|
|
}
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
struct VMChangeStateEntry {
|
|
VMChangeStateHandler *cb;
|
|
void *opaque;
|
|
QTAILQ_ENTRY(VMChangeStateEntry) entries;
|
|
int priority;
|
|
};
|
|
|
|
static QTAILQ_HEAD(, VMChangeStateEntry) vm_change_state_head;
|
|
|
|
/**
|
|
* qemu_add_vm_change_state_handler_prio:
|
|
* @cb: the callback to invoke
|
|
* @opaque: user data passed to the callback
|
|
* @priority: low priorities execute first when the vm runs and the reverse is
|
|
* true when the vm stops
|
|
*
|
|
* Register a callback function that is invoked when the vm starts or stops
|
|
* running.
|
|
*
|
|
* Returns: an entry to be freed using qemu_del_vm_change_state_handler()
|
|
*/
|
|
VMChangeStateEntry *qemu_add_vm_change_state_handler_prio(
|
|
VMChangeStateHandler *cb, void *opaque, int priority)
|
|
{
|
|
VMChangeStateEntry *e;
|
|
VMChangeStateEntry *other;
|
|
|
|
e = g_malloc0(sizeof(*e));
|
|
e->cb = cb;
|
|
e->opaque = opaque;
|
|
e->priority = priority;
|
|
|
|
/* Keep list sorted in ascending priority order */
|
|
QTAILQ_FOREACH(other, &vm_change_state_head, entries) {
|
|
if (priority < other->priority) {
|
|
QTAILQ_INSERT_BEFORE(other, e, entries);
|
|
return e;
|
|
}
|
|
}
|
|
|
|
QTAILQ_INSERT_TAIL(&vm_change_state_head, e, entries);
|
|
return e;
|
|
}
|
|
|
|
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
|
|
void *opaque)
|
|
{
|
|
return qemu_add_vm_change_state_handler_prio(cb, opaque, 0);
|
|
}
|
|
|
|
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
|
|
{
|
|
QTAILQ_REMOVE(&vm_change_state_head, e, entries);
|
|
g_free(e);
|
|
}
|
|
|
|
void vm_state_notify(int running, RunState state)
|
|
{
|
|
VMChangeStateEntry *e, *next;
|
|
|
|
trace_vm_state_notify(running, state, RunState_str(state));
|
|
|
|
if (running) {
|
|
QTAILQ_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
|
|
e->cb(e->opaque, running, state);
|
|
}
|
|
} else {
|
|
QTAILQ_FOREACH_REVERSE_SAFE(e, &vm_change_state_head, entries, next) {
|
|
e->cb(e->opaque, running, state);
|
|
}
|
|
}
|
|
}
|
|
|
|
static ShutdownCause reset_requested;
|
|
static ShutdownCause shutdown_requested;
|
|
static int shutdown_signal;
|
|
static pid_t shutdown_pid;
|
|
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);
|
|
static NotifierList suspend_notifiers =
|
|
NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
|
|
static NotifierList wakeup_notifiers =
|
|
NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
|
|
static NotifierList shutdown_notifiers =
|
|
NOTIFIER_LIST_INITIALIZER(shutdown_notifiers);
|
|
static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
|
|
|
|
ShutdownCause qemu_shutdown_requested_get(void)
|
|
{
|
|
return shutdown_requested;
|
|
}
|
|
|
|
ShutdownCause qemu_reset_requested_get(void)
|
|
{
|
|
return reset_requested;
|
|
}
|
|
|
|
static int qemu_shutdown_requested(void)
|
|
{
|
|
return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE);
|
|
}
|
|
|
|
static void qemu_kill_report(void)
|
|
{
|
|
if (!qtest_driver() && shutdown_signal) {
|
|
if (shutdown_pid == 0) {
|
|
/* This happens for eg ^C at the terminal, so it's worth
|
|
* avoiding printing an odd message in that case.
|
|
*/
|
|
error_report("terminating on signal %d", shutdown_signal);
|
|
} else {
|
|
char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
|
|
|
|
error_report("terminating on signal %d from pid " FMT_pid " (%s)",
|
|
shutdown_signal, shutdown_pid,
|
|
shutdown_cmd ? shutdown_cmd : "<unknown process>");
|
|
g_free(shutdown_cmd);
|
|
}
|
|
shutdown_signal = 0;
|
|
}
|
|
}
|
|
|
|
static ShutdownCause qemu_reset_requested(void)
|
|
{
|
|
ShutdownCause r = reset_requested;
|
|
|
|
if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
|
|
reset_requested = SHUTDOWN_CAUSE_NONE;
|
|
return r;
|
|
}
|
|
return SHUTDOWN_CAUSE_NONE;
|
|
}
|
|
|
|
static int qemu_suspend_requested(void)
|
|
{
|
|
int r = suspend_requested;
|
|
if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
|
|
suspend_requested = 0;
|
|
return r;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static WakeupReason qemu_wakeup_requested(void)
|
|
{
|
|
return wakeup_reason;
|
|
}
|
|
|
|
static int qemu_powerdown_requested(void)
|
|
{
|
|
int r = powerdown_requested;
|
|
powerdown_requested = 0;
|
|
return r;
|
|
}
|
|
|
|
static int qemu_debug_requested(void)
|
|
{
|
|
int r = debug_requested;
|
|
debug_requested = 0;
|
|
return r;
|
|
}
|
|
|
|
void qemu_exit_preconfig_request(void)
|
|
{
|
|
preconfig_exit_requested = true;
|
|
}
|
|
|
|
/*
|
|
* Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
|
|
*/
|
|
void qemu_system_reset(ShutdownCause reason)
|
|
{
|
|
MachineClass *mc;
|
|
|
|
mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
|
|
|
|
cpu_synchronize_all_states();
|
|
|
|
if (mc && mc->reset) {
|
|
mc->reset(current_machine);
|
|
} else {
|
|
qemu_devices_reset();
|
|
}
|
|
if (reason && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
|
|
qapi_event_send_reset(shutdown_caused_by_guest(reason), reason);
|
|
}
|
|
cpu_synchronize_all_post_reset();
|
|
}
|
|
|
|
/*
|
|
* Wake the VM after suspend.
|
|
*/
|
|
static void qemu_system_wakeup(void)
|
|
{
|
|
MachineClass *mc;
|
|
|
|
mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
|
|
|
|
if (mc && mc->wakeup) {
|
|
mc->wakeup(current_machine);
|
|
}
|
|
}
|
|
|
|
void qemu_system_guest_panicked(GuestPanicInformation *info)
|
|
{
|
|
qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed");
|
|
|
|
if (current_cpu) {
|
|
current_cpu->crash_occurred = true;
|
|
}
|
|
qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE,
|
|
!!info, info);
|
|
vm_stop(RUN_STATE_GUEST_PANICKED);
|
|
if (!no_shutdown) {
|
|
qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
|
|
!!info, info);
|
|
qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC);
|
|
}
|
|
|
|
if (info) {
|
|
if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) {
|
|
qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64
|
|
" %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n",
|
|
info->u.hyper_v.arg1,
|
|
info->u.hyper_v.arg2,
|
|
info->u.hyper_v.arg3,
|
|
info->u.hyper_v.arg4,
|
|
info->u.hyper_v.arg5);
|
|
} else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) {
|
|
qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n"
|
|
"PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n",
|
|
info->u.s390.core,
|
|
S390CrashReason_str(info->u.s390.reason),
|
|
info->u.s390.psw_mask,
|
|
info->u.s390.psw_addr);
|
|
}
|
|
qapi_free_GuestPanicInformation(info);
|
|
}
|
|
}
|
|
|
|
void qemu_system_guest_crashloaded(GuestPanicInformation *info)
|
|
{
|
|
qemu_log_mask(LOG_GUEST_ERROR, "Guest crash loaded");
|
|
|
|
qapi_event_send_guest_crashloaded(GUEST_PANIC_ACTION_RUN,
|
|
!!info, info);
|
|
|
|
if (info) {
|
|
qapi_free_GuestPanicInformation(info);
|
|
}
|
|
}
|
|
|
|
void qemu_system_reset_request(ShutdownCause reason)
|
|
{
|
|
if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) {
|
|
shutdown_requested = reason;
|
|
} else {
|
|
reset_requested = reason;
|
|
}
|
|
cpu_stop_current();
|
|
qemu_notify_event();
|
|
}
|
|
|
|
static void qemu_system_suspend(void)
|
|
{
|
|
pause_all_vcpus();
|
|
notifier_list_notify(&suspend_notifiers, NULL);
|
|
runstate_set(RUN_STATE_SUSPENDED);
|
|
qapi_event_send_suspend();
|
|
}
|
|
|
|
void qemu_system_suspend_request(void)
|
|
{
|
|
if (runstate_check(RUN_STATE_SUSPENDED)) {
|
|
return;
|
|
}
|
|
suspend_requested = 1;
|
|
cpu_stop_current();
|
|
qemu_notify_event();
|
|
}
|
|
|
|
void qemu_register_suspend_notifier(Notifier *notifier)
|
|
{
|
|
notifier_list_add(&suspend_notifiers, notifier);
|
|
}
|
|
|
|
void qemu_system_wakeup_request(WakeupReason reason, Error **errp)
|
|
{
|
|
trace_system_wakeup_request(reason);
|
|
|
|
if (!runstate_check(RUN_STATE_SUSPENDED)) {
|
|
error_setg(errp,
|
|
"Unable to wake up: guest is not in suspended state");
|
|
return;
|
|
}
|
|
if (!(wakeup_reason_mask & (1 << reason))) {
|
|
return;
|
|
}
|
|
runstate_set(RUN_STATE_RUNNING);
|
|
wakeup_reason = reason;
|
|
qemu_notify_event();
|
|
}
|
|
|
|
void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
|
|
{
|
|
if (enabled) {
|
|
wakeup_reason_mask |= (1 << reason);
|
|
} else {
|
|
wakeup_reason_mask &= ~(1 << reason);
|
|
}
|
|
}
|
|
|
|
void qemu_register_wakeup_notifier(Notifier *notifier)
|
|
{
|
|
notifier_list_add(&wakeup_notifiers, notifier);
|
|
}
|
|
|
|
void qemu_register_wakeup_support(void)
|
|
{
|
|
wakeup_suspend_enabled = true;
|
|
}
|
|
|
|
bool qemu_wakeup_suspend_enabled(void)
|
|
{
|
|
return wakeup_suspend_enabled;
|
|
}
|
|
|
|
void qemu_system_killed(int signal, pid_t pid)
|
|
{
|
|
shutdown_signal = signal;
|
|
shutdown_pid = pid;
|
|
no_shutdown = 0;
|
|
|
|
/* Cannot call qemu_system_shutdown_request directly because
|
|
* we are in a signal handler.
|
|
*/
|
|
shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL;
|
|
qemu_notify_event();
|
|
}
|
|
|
|
void qemu_system_shutdown_request(ShutdownCause reason)
|
|
{
|
|
trace_qemu_system_shutdown_request(reason);
|
|
replay_shutdown_request(reason);
|
|
shutdown_requested = reason;
|
|
qemu_notify_event();
|
|
}
|
|
|
|
static void qemu_system_powerdown(void)
|
|
{
|
|
qapi_event_send_powerdown();
|
|
notifier_list_notify(&powerdown_notifiers, NULL);
|
|
}
|
|
|
|
static void qemu_system_shutdown(ShutdownCause cause)
|
|
{
|
|
qapi_event_send_shutdown(shutdown_caused_by_guest(cause), cause);
|
|
notifier_list_notify(&shutdown_notifiers, &cause);
|
|
}
|
|
|
|
void qemu_system_powerdown_request(void)
|
|
{
|
|
trace_qemu_system_powerdown_request();
|
|
powerdown_requested = 1;
|
|
qemu_notify_event();
|
|
}
|
|
|
|
void qemu_register_powerdown_notifier(Notifier *notifier)
|
|
{
|
|
notifier_list_add(&powerdown_notifiers, notifier);
|
|
}
|
|
|
|
void qemu_register_shutdown_notifier(Notifier *notifier)
|
|
{
|
|
notifier_list_add(&shutdown_notifiers, notifier);
|
|
}
|
|
|
|
void qemu_system_debug_request(void)
|
|
{
|
|
debug_requested = 1;
|
|
qemu_notify_event();
|
|
}
|
|
|
|
static bool main_loop_should_exit(void)
|
|
{
|
|
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);
|
|
}
|
|
if (qemu_suspend_requested()) {
|
|
qemu_system_suspend();
|
|
}
|
|
request = qemu_shutdown_requested();
|
|
if (request) {
|
|
qemu_kill_report();
|
|
qemu_system_shutdown(request);
|
|
if (no_shutdown) {
|
|
vm_stop(RUN_STATE_SHUTDOWN);
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
request = qemu_reset_requested();
|
|
if (request) {
|
|
pause_all_vcpus();
|
|
qemu_system_reset(request);
|
|
resume_all_vcpus();
|
|
/*
|
|
* runstate can change in pause_all_vcpus()
|
|
* as iothread mutex is unlocked
|
|
*/
|
|
if (!runstate_check(RUN_STATE_RUNNING) &&
|
|
!runstate_check(RUN_STATE_INMIGRATE) &&
|
|
!runstate_check(RUN_STATE_FINISH_MIGRATE)) {
|
|
runstate_set(RUN_STATE_PRELAUNCH);
|
|
}
|
|
}
|
|
if (qemu_wakeup_requested()) {
|
|
pause_all_vcpus();
|
|
qemu_system_wakeup();
|
|
notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
|
|
wakeup_reason = QEMU_WAKEUP_REASON_NONE;
|
|
resume_all_vcpus();
|
|
qapi_event_send_wakeup();
|
|
}
|
|
if (qemu_powerdown_requested()) {
|
|
qemu_system_powerdown();
|
|
}
|
|
if (qemu_vmstop_requested(&r)) {
|
|
vm_stop(r);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void qemu_main_loop(void)
|
|
{
|
|
#ifdef CONFIG_PROFILER
|
|
int64_t ti;
|
|
#endif
|
|
while (!main_loop_should_exit()) {
|
|
#ifdef CONFIG_PROFILER
|
|
ti = profile_getclock();
|
|
#endif
|
|
main_loop_wait(false);
|
|
#ifdef CONFIG_PROFILER
|
|
dev_time += profile_getclock() - ti;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
static void version(void)
|
|
{
|
|
printf("QEMU emulator version " QEMU_FULL_VERSION "\n"
|
|
QEMU_COPYRIGHT "\n");
|
|
}
|
|
|
|
static void help(int exitcode)
|
|
{
|
|
version();
|
|
printf("usage: %s [options] [disk_image]\n\n"
|
|
"'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
|
|
error_get_progname());
|
|
|
|
#define QEMU_OPTIONS_GENERATE_HELP
|
|
#include "qemu-options-wrapper.h"
|
|
|
|
printf("\nDuring emulation, the following keys are useful:\n"
|
|
"ctrl-alt-f toggle full screen\n"
|
|
"ctrl-alt-n switch to virtual console 'n'\n"
|
|
"ctrl-alt toggle mouse and keyboard grab\n"
|
|
"\n"
|
|
"When using -nographic, press 'ctrl-a h' to get some help.\n"
|
|
"\n"
|
|
QEMU_HELP_BOTTOM "\n");
|
|
|
|
exit(exitcode);
|
|
}
|
|
|
|
#define HAS_ARG 0x0001
|
|
|
|
typedef struct QEMUOption {
|
|
const char *name;
|
|
int flags;
|
|
int index;
|
|
uint32_t arch_mask;
|
|
} QEMUOption;
|
|
|
|
static const QEMUOption qemu_options[] = {
|
|
{ "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
|
|
#define QEMU_OPTIONS_GENERATE_OPTIONS
|
|
#include "qemu-options-wrapper.h"
|
|
{ NULL },
|
|
};
|
|
|
|
typedef struct VGAInterfaceInfo {
|
|
const char *opt_name; /* option name */
|
|
const char *name; /* human-readable name */
|
|
/* Class names indicating that support is available.
|
|
* If no class is specified, the interface is always available */
|
|
const char *class_names[2];
|
|
} VGAInterfaceInfo;
|
|
|
|
static const VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
|
|
[VGA_NONE] = {
|
|
.opt_name = "none",
|
|
.name = "no graphic card",
|
|
},
|
|
[VGA_STD] = {
|
|
.opt_name = "std",
|
|
.name = "standard VGA",
|
|
.class_names = { "VGA", "isa-vga" },
|
|
},
|
|
[VGA_CIRRUS] = {
|
|
.opt_name = "cirrus",
|
|
.name = "Cirrus VGA",
|
|
.class_names = { "cirrus-vga", "isa-cirrus-vga" },
|
|
},
|
|
[VGA_VMWARE] = {
|
|
.opt_name = "vmware",
|
|
.name = "VMWare SVGA",
|
|
.class_names = { "vmware-svga" },
|
|
},
|
|
[VGA_VIRTIO] = {
|
|
.opt_name = "virtio",
|
|
.name = "Virtio VGA",
|
|
.class_names = { "virtio-vga" },
|
|
},
|
|
[VGA_QXL] = {
|
|
.opt_name = "qxl",
|
|
.name = "QXL VGA",
|
|
.class_names = { "qxl-vga" },
|
|
},
|
|
[VGA_TCX] = {
|
|
.opt_name = "tcx",
|
|
.name = "TCX framebuffer",
|
|
.class_names = { "SUNW,tcx" },
|
|
},
|
|
[VGA_CG3] = {
|
|
.opt_name = "cg3",
|
|
.name = "CG3 framebuffer",
|
|
.class_names = { "cgthree" },
|
|
},
|
|
[VGA_XENFB] = {
|
|
.opt_name = "xenfb",
|
|
.name = "Xen paravirtualized framebuffer",
|
|
},
|
|
};
|
|
|
|
static bool vga_interface_available(VGAInterfaceType t)
|
|
{
|
|
const VGAInterfaceInfo *ti = &vga_interfaces[t];
|
|
|
|
assert(t < VGA_TYPE_MAX);
|
|
return !ti->class_names[0] ||
|
|
object_class_by_name(ti->class_names[0]) ||
|
|
object_class_by_name(ti->class_names[1]);
|
|
}
|
|
|
|
static const char *
|
|
get_default_vga_model(const MachineClass *machine_class)
|
|
{
|
|
if (machine_class->default_display) {
|
|
return machine_class->default_display;
|
|
} else if (vga_interface_available(VGA_CIRRUS)) {
|
|
return "cirrus";
|
|
} else if (vga_interface_available(VGA_STD)) {
|
|
return "std";
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void select_vgahw(const MachineClass *machine_class, const char *p)
|
|
{
|
|
const char *opts;
|
|
int t;
|
|
|
|
if (g_str_equal(p, "help")) {
|
|
const char *def = get_default_vga_model(machine_class);
|
|
|
|
for (t = 0; t < VGA_TYPE_MAX; t++) {
|
|
const VGAInterfaceInfo *ti = &vga_interfaces[t];
|
|
|
|
if (vga_interface_available(t) && ti->opt_name) {
|
|
printf("%-20s %s%s\n", ti->opt_name, ti->name ?: "",
|
|
g_str_equal(ti->opt_name, def) ? " (default)" : "");
|
|
}
|
|
}
|
|
exit(0);
|
|
}
|
|
|
|
assert(vga_interface_type == VGA_NONE);
|
|
for (t = 0; t < VGA_TYPE_MAX; t++) {
|
|
const VGAInterfaceInfo *ti = &vga_interfaces[t];
|
|
if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
|
|
if (!vga_interface_available(t)) {
|
|
error_report("%s not available", ti->name);
|
|
exit(1);
|
|
}
|
|
vga_interface_type = t;
|
|
break;
|
|
}
|
|
}
|
|
if (t == VGA_TYPE_MAX) {
|
|
invalid_vga:
|
|
error_report("unknown vga type: %s", p);
|
|
exit(1);
|
|
}
|
|
while (*opts) {
|
|
const char *nextopt;
|
|
|
|
if (strstart(opts, ",retrace=", &nextopt)) {
|
|
opts = nextopt;
|
|
if (strstart(opts, "dumb", &nextopt))
|
|
vga_retrace_method = VGA_RETRACE_DUMB;
|
|
else if (strstart(opts, "precise", &nextopt))
|
|
vga_retrace_method = VGA_RETRACE_PRECISE;
|
|
else goto invalid_vga;
|
|
} else goto invalid_vga;
|
|
opts = nextopt;
|
|
}
|
|
}
|
|
|
|
static void parse_display_qapi(const char *optarg)
|
|
{
|
|
DisplayOptions *opts;
|
|
Visitor *v;
|
|
|
|
v = qobject_input_visitor_new_str(optarg, "type", &error_fatal);
|
|
|
|
visit_type_DisplayOptions(v, NULL, &opts, &error_fatal);
|
|
QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts);
|
|
|
|
qapi_free_DisplayOptions(opts);
|
|
visit_free(v);
|
|
}
|
|
|
|
DisplayOptions *qmp_query_display_options(Error **errp)
|
|
{
|
|
return QAPI_CLONE(DisplayOptions, &dpy);
|
|
}
|
|
|
|
static void parse_display(const char *p)
|
|
{
|
|
const char *opts;
|
|
|
|
if (is_help_option(p)) {
|
|
qemu_display_help();
|
|
exit(0);
|
|
}
|
|
|
|
if (strstart(p, "sdl", &opts)) {
|
|
/*
|
|
* sdl DisplayType needs hand-crafted parser instead of
|
|
* parse_display_qapi() due to some options not in
|
|
* DisplayOptions, specifically:
|
|
* - frame
|
|
* Already deprecated.
|
|
* - ctrl_grab + alt_grab
|
|
* Not clear yet what happens to them long-term. Should
|
|
* replaced by something better or deprecated and dropped.
|
|
*/
|
|
dpy.type = DISPLAY_TYPE_SDL;
|
|
while (*opts) {
|
|
const char *nextopt;
|
|
|
|
if (strstart(opts, ",alt_grab=", &nextopt)) {
|
|
opts = nextopt;
|
|
if (strstart(opts, "on", &nextopt)) {
|
|
alt_grab = 1;
|
|
} else if (strstart(opts, "off", &nextopt)) {
|
|
alt_grab = 0;
|
|
} else {
|
|
goto invalid_sdl_args;
|
|
}
|
|
} else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
|
|
opts = nextopt;
|
|
if (strstart(opts, "on", &nextopt)) {
|
|
ctrl_grab = 1;
|
|
} else if (strstart(opts, "off", &nextopt)) {
|
|
ctrl_grab = 0;
|
|
} else {
|
|
goto invalid_sdl_args;
|
|
}
|
|
} else if (strstart(opts, ",window_close=", &nextopt)) {
|
|
opts = nextopt;
|
|
dpy.has_window_close = true;
|
|
if (strstart(opts, "on", &nextopt)) {
|
|
dpy.window_close = true;
|
|
} else if (strstart(opts, "off", &nextopt)) {
|
|
dpy.window_close = false;
|
|
} else {
|
|
goto invalid_sdl_args;
|
|
}
|
|
} else if (strstart(opts, ",show-cursor=", &nextopt)) {
|
|
opts = nextopt;
|
|
dpy.has_show_cursor = true;
|
|
if (strstart(opts, "on", &nextopt)) {
|
|
dpy.show_cursor = true;
|
|
} else if (strstart(opts, "off", &nextopt)) {
|
|
dpy.show_cursor = false;
|
|
} else {
|
|
goto invalid_sdl_args;
|
|
}
|
|
} else if (strstart(opts, ",gl=", &nextopt)) {
|
|
opts = nextopt;
|
|
dpy.has_gl = true;
|
|
if (strstart(opts, "on", &nextopt)) {
|
|
dpy.gl = DISPLAYGL_MODE_ON;
|
|
} else if (strstart(opts, "core", &nextopt)) {
|
|
dpy.gl = DISPLAYGL_MODE_CORE;
|
|
} else if (strstart(opts, "es", &nextopt)) {
|
|
dpy.gl = DISPLAYGL_MODE_ES;
|
|
} else if (strstart(opts, "off", &nextopt)) {
|
|
dpy.gl = DISPLAYGL_MODE_OFF;
|
|
} else {
|
|
goto invalid_sdl_args;
|
|
}
|
|
} else {
|
|
invalid_sdl_args:
|
|
error_report("invalid SDL option string");
|
|
exit(1);
|
|
}
|
|
opts = nextopt;
|
|
}
|
|
} else if (strstart(p, "vnc", &opts)) {
|
|
/*
|
|
* vnc isn't a (local) DisplayType but a protocol for remote
|
|
* display access.
|
|
*/
|
|
if (*opts == '=') {
|
|
vnc_parse(opts + 1, &error_fatal);
|
|
} else {
|
|
error_report("VNC requires a display argument vnc=<display>");
|
|
exit(1);
|
|
}
|
|
} else {
|
|
parse_display_qapi(p);
|
|
}
|
|
}
|
|
|
|
char *qemu_find_file(int type, const char *name)
|
|
{
|
|
int i;
|
|
const char *subdir;
|
|
char *buf;
|
|
|
|
/* Try the name as a straight path first */
|
|
if (access(name, R_OK) == 0) {
|
|
trace_load_file(name, name);
|
|
return g_strdup(name);
|
|
}
|
|
|
|
switch (type) {
|
|
case QEMU_FILE_TYPE_BIOS:
|
|
subdir = "";
|
|
break;
|
|
case QEMU_FILE_TYPE_KEYMAP:
|
|
subdir = "keymaps/";
|
|
break;
|
|
default:
|
|
abort();
|
|
}
|
|
|
|
for (i = 0; i < data_dir_idx; i++) {
|
|
buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
|
|
if (access(buf, R_OK) == 0) {
|
|
trace_load_file(name, buf);
|
|
return buf;
|
|
}
|
|
g_free(buf);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static void qemu_add_data_dir(const char *path)
|
|
{
|
|
int i;
|
|
|
|
if (path == NULL) {
|
|
return;
|
|
}
|
|
if (data_dir_idx == ARRAY_SIZE(data_dir)) {
|
|
return;
|
|
}
|
|
for (i = 0; i < data_dir_idx; i++) {
|
|
if (strcmp(data_dir[i], path) == 0) {
|
|
return; /* duplicate */
|
|
}
|
|
}
|
|
data_dir[data_dir_idx++] = g_strdup(path);
|
|
}
|
|
|
|
static inline bool nonempty_str(const char *str)
|
|
{
|
|
return str && *str;
|
|
}
|
|
|
|
static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
|
|
{
|
|
gchar *buf;
|
|
size_t size;
|
|
const char *name, *file, *str;
|
|
FWCfgState *fw_cfg = (FWCfgState *) opaque;
|
|
|
|
if (fw_cfg == NULL) {
|
|
error_setg(errp, "fw_cfg device not available");
|
|
return -1;
|
|
}
|
|
name = qemu_opt_get(opts, "name");
|
|
file = qemu_opt_get(opts, "file");
|
|
str = qemu_opt_get(opts, "string");
|
|
|
|
/* we need name and either a file or the content string */
|
|
if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
|
|
error_setg(errp, "invalid argument(s)");
|
|
return -1;
|
|
}
|
|
if (nonempty_str(file) && nonempty_str(str)) {
|
|
error_setg(errp, "file and string are mutually exclusive");
|
|
return -1;
|
|
}
|
|
if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
|
|
error_setg(errp, "name too long (max. %d char)",
|
|
FW_CFG_MAX_FILE_PATH - 1);
|
|
return -1;
|
|
}
|
|
if (strncmp(name, "opt/", 4) != 0) {
|
|
warn_report("externally provided fw_cfg item names "
|
|
"should be prefixed with \"opt/\"");
|
|
}
|
|
if (nonempty_str(str)) {
|
|
size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
|
|
buf = g_memdup(str, size);
|
|
} else {
|
|
GError *err = NULL;
|
|
if (!g_file_get_contents(file, &buf, &size, &err)) {
|
|
error_setg(errp, "can't load %s: %s", file, err->message);
|
|
g_error_free(err);
|
|
return -1;
|
|
}
|
|
}
|
|
/* For legacy, keep user files in a specific global order. */
|
|
fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
|
|
fw_cfg_add_file(fw_cfg, name, buf, size);
|
|
fw_cfg_reset_order_override(fw_cfg);
|
|
return 0;
|
|
}
|
|
|
|
static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
|
|
{
|
|
return qdev_device_help(opts);
|
|
}
|
|
|
|
static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
|
|
{
|
|
DeviceState *dev;
|
|
|
|
dev = qdev_device_add(opts, errp);
|
|
if (!dev && *errp) {
|
|
error_report_err(*errp);
|
|
return -1;
|
|
} else if (dev) {
|
|
object_unref(OBJECT(dev));
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
|
|
{
|
|
Error *local_err = NULL;
|
|
|
|
if (!qemu_chr_new_from_opts(opts, NULL, &local_err)) {
|
|
if (local_err) {
|
|
error_propagate(errp, local_err);
|
|
return -1;
|
|
}
|
|
exit(0);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_VIRTFS
|
|
static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
|
|
{
|
|
return qemu_fsdev_add(opts, errp);
|
|
}
|
|
#endif
|
|
|
|
static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
|
|
{
|
|
return monitor_init_opts(opts, errp);
|
|
}
|
|
|
|
static void monitor_parse(const char *optarg, const char *mode, bool pretty)
|
|
{
|
|
static int monitor_device_index = 0;
|
|
QemuOpts *opts;
|
|
const char *p;
|
|
char label[32];
|
|
|
|
if (strstart(optarg, "chardev:", &p)) {
|
|
snprintf(label, sizeof(label), "%s", p);
|
|
} else {
|
|
snprintf(label, sizeof(label), "compat_monitor%d",
|
|
monitor_device_index);
|
|
opts = qemu_chr_parse_compat(label, optarg, true);
|
|
if (!opts) {
|
|
error_report("parse error: %s", optarg);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
|
|
qemu_opt_set(opts, "mode", mode, &error_abort);
|
|
qemu_opt_set(opts, "chardev", label, &error_abort);
|
|
if (!strcmp(mode, "control")) {
|
|
qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
|
|
} else {
|
|
assert(pretty == false);
|
|
}
|
|
monitor_device_index++;
|
|
}
|
|
|
|
struct device_config {
|
|
enum {
|
|
DEV_USB, /* -usbdevice */
|
|
DEV_SERIAL, /* -serial */
|
|
DEV_PARALLEL, /* -parallel */
|
|
DEV_DEBUGCON, /* -debugcon */
|
|
DEV_GDB, /* -gdb, -s */
|
|
DEV_SCLP, /* s390 sclp */
|
|
} type;
|
|
const char *cmdline;
|
|
Location loc;
|
|
QTAILQ_ENTRY(device_config) next;
|
|
};
|
|
|
|
static QTAILQ_HEAD(, device_config) device_configs =
|
|
QTAILQ_HEAD_INITIALIZER(device_configs);
|
|
|
|
static void add_device_config(int type, const char *cmdline)
|
|
{
|
|
struct device_config *conf;
|
|
|
|
conf = g_malloc0(sizeof(*conf));
|
|
conf->type = type;
|
|
conf->cmdline = cmdline;
|
|
loc_save(&conf->loc);
|
|
QTAILQ_INSERT_TAIL(&device_configs, conf, next);
|
|
}
|
|
|
|
static int foreach_device_config(int type, int (*func)(const char *cmdline))
|
|
{
|
|
struct device_config *conf;
|
|
int rc;
|
|
|
|
QTAILQ_FOREACH(conf, &device_configs, next) {
|
|
if (conf->type != type)
|
|
continue;
|
|
loc_push_restore(&conf->loc);
|
|
rc = func(conf->cmdline);
|
|
loc_pop(&conf->loc);
|
|
if (rc) {
|
|
return rc;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int serial_parse(const char *devname)
|
|
{
|
|
int index = num_serial_hds;
|
|
char label[32];
|
|
|
|
if (strcmp(devname, "none") == 0)
|
|
return 0;
|
|
snprintf(label, sizeof(label), "serial%d", index);
|
|
serial_hds = g_renew(Chardev *, serial_hds, index + 1);
|
|
|
|
serial_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
|
|
if (!serial_hds[index]) {
|
|
error_report("could not connect serial device"
|
|
" to character backend '%s'", devname);
|
|
return -1;
|
|
}
|
|
num_serial_hds++;
|
|
return 0;
|
|
}
|
|
|
|
Chardev *serial_hd(int i)
|
|
{
|
|
assert(i >= 0);
|
|
if (i < num_serial_hds) {
|
|
return serial_hds[i];
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
int serial_max_hds(void)
|
|
{
|
|
return num_serial_hds;
|
|
}
|
|
|
|
static int parallel_parse(const char *devname)
|
|
{
|
|
static int index = 0;
|
|
char label[32];
|
|
|
|
if (strcmp(devname, "none") == 0)
|
|
return 0;
|
|
if (index == MAX_PARALLEL_PORTS) {
|
|
error_report("too many parallel ports");
|
|
exit(1);
|
|
}
|
|
snprintf(label, sizeof(label), "parallel%d", index);
|
|
parallel_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL);
|
|
if (!parallel_hds[index]) {
|
|
error_report("could not connect parallel device"
|
|
" to character backend '%s'", devname);
|
|
return -1;
|
|
}
|
|
index++;
|
|
return 0;
|
|
}
|
|
|
|
static int debugcon_parse(const char *devname)
|
|
{
|
|
QemuOpts *opts;
|
|
|
|
if (!qemu_chr_new_mux_mon("debugcon", devname, NULL)) {
|
|
error_report("invalid character backend '%s'", devname);
|
|
exit(1);
|
|
}
|
|
opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
|
|
if (!opts) {
|
|
error_report("already have a debugcon device");
|
|
exit(1);
|
|
}
|
|
qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
|
|
qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
|
|
return 0;
|
|
}
|
|
|
|
static gint machine_class_cmp(gconstpointer a, gconstpointer b)
|
|
{
|
|
const MachineClass *mc1 = a, *mc2 = b;
|
|
int res;
|
|
|
|
if (mc1->family == NULL) {
|
|
if (mc2->family == NULL) {
|
|
/* Compare standalone machine types against each other; they sort
|
|
* in increasing order.
|
|
*/
|
|
return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
|
|
object_class_get_name(OBJECT_CLASS(mc2)));
|
|
}
|
|
|
|
/* Standalone machine types sort after families. */
|
|
return 1;
|
|
}
|
|
|
|
if (mc2->family == NULL) {
|
|
/* Families sort before standalone machine types. */
|
|
return -1;
|
|
}
|
|
|
|
/* Families sort between each other alphabetically increasingly. */
|
|
res = strcmp(mc1->family, mc2->family);
|
|
if (res != 0) {
|
|
return res;
|
|
}
|
|
|
|
/* Within the same family, machine types sort in decreasing order. */
|
|
return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
|
|
object_class_get_name(OBJECT_CLASS(mc1)));
|
|
}
|
|
|
|
static MachineClass *machine_parse(const char *name, GSList *machines)
|
|
{
|
|
MachineClass *mc;
|
|
GSList *el;
|
|
|
|
if (is_help_option(name)) {
|
|
printf("Supported machines are:\n");
|
|
machines = g_slist_sort(machines, machine_class_cmp);
|
|
for (el = machines; el; el = el->next) {
|
|
MachineClass *mc = el->data;
|
|
if (mc->alias) {
|
|
printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
|
|
}
|
|
printf("%-20s %s%s%s\n", mc->name, mc->desc,
|
|
mc->is_default ? " (default)" : "",
|
|
mc->deprecation_reason ? " (deprecated)" : "");
|
|
}
|
|
exit(0);
|
|
}
|
|
|
|
mc = find_machine(name, machines);
|
|
if (!mc) {
|
|
error_report("unsupported machine type");
|
|
error_printf("Use -machine help to list supported machines\n");
|
|
exit(1);
|
|
}
|
|
return mc;
|
|
}
|
|
|
|
void qemu_add_exit_notifier(Notifier *notify)
|
|
{
|
|
notifier_list_add(&exit_notifiers, notify);
|
|
}
|
|
|
|
void qemu_remove_exit_notifier(Notifier *notify)
|
|
{
|
|
notifier_remove(notify);
|
|
}
|
|
|
|
static void qemu_run_exit_notifiers(void)
|
|
{
|
|
notifier_list_notify(&exit_notifiers, NULL);
|
|
}
|
|
|
|
static const char *pid_file;
|
|
static Notifier qemu_unlink_pidfile_notifier;
|
|
|
|
static void qemu_unlink_pidfile(Notifier *n, void *data)
|
|
{
|
|
if (pid_file) {
|
|
unlink(pid_file);
|
|
}
|
|
}
|
|
|
|
bool machine_init_done;
|
|
|
|
void qemu_add_machine_init_done_notifier(Notifier *notify)
|
|
{
|
|
notifier_list_add(&machine_init_done_notifiers, notify);
|
|
if (machine_init_done) {
|
|
notify->notify(notify, NULL);
|
|
}
|
|
}
|
|
|
|
void qemu_remove_machine_init_done_notifier(Notifier *notify)
|
|
{
|
|
notifier_remove(notify);
|
|
}
|
|
|
|
static void qemu_run_machine_init_done_notifiers(void)
|
|
{
|
|
machine_init_done = true;
|
|
notifier_list_notify(&machine_init_done_notifiers, NULL);
|
|
}
|
|
|
|
static const QEMUOption *lookup_opt(int argc, char **argv,
|
|
const char **poptarg, int *poptind)
|
|
{
|
|
const QEMUOption *popt;
|
|
int optind = *poptind;
|
|
char *r = argv[optind];
|
|
const char *optarg;
|
|
|
|
loc_set_cmdline(argv, optind, 1);
|
|
optind++;
|
|
/* Treat --foo the same as -foo. */
|
|
if (r[1] == '-')
|
|
r++;
|
|
popt = qemu_options;
|
|
for(;;) {
|
|
if (!popt->name) {
|
|
error_report("invalid option");
|
|
exit(1);
|
|
}
|
|
if (!strcmp(popt->name, r + 1))
|
|
break;
|
|
popt++;
|
|
}
|
|
if (popt->flags & HAS_ARG) {
|
|
if (optind >= argc) {
|
|
error_report("requires an argument");
|
|
exit(1);
|
|
}
|
|
optarg = argv[optind++];
|
|
loc_set_cmdline(argv, optind - 2, 2);
|
|
} else {
|
|
optarg = NULL;
|
|
}
|
|
|
|
*poptarg = optarg;
|
|
*poptind = optind;
|
|
|
|
return popt;
|
|
}
|
|
|
|
static MachineClass *select_machine(void)
|
|
{
|
|
GSList *machines = object_class_get_list(TYPE_MACHINE, false);
|
|
MachineClass *machine_class = find_default_machine(machines);
|
|
const char *optarg;
|
|
QemuOpts *opts;
|
|
Location loc;
|
|
|
|
loc_push_none(&loc);
|
|
|
|
opts = qemu_get_machine_opts();
|
|
qemu_opts_loc_restore(opts);
|
|
|
|
optarg = qemu_opt_get(opts, "type");
|
|
if (optarg) {
|
|
machine_class = machine_parse(optarg, machines);
|
|
}
|
|
|
|
if (!machine_class) {
|
|
error_report("No machine specified, and there is no default");
|
|
error_printf("Use -machine help to list supported machines\n");
|
|
exit(1);
|
|
}
|
|
|
|
loc_pop(&loc);
|
|
g_slist_free(machines);
|
|
return machine_class;
|
|
}
|
|
|
|
static int object_parse_property_opt(Object *obj,
|
|
const char *name, const char *value,
|
|
const char *skip, Error **errp)
|
|
{
|
|
Error *local_err = NULL;
|
|
|
|
if (g_str_equal(name, skip)) {
|
|
return 0;
|
|
}
|
|
|
|
object_property_parse(obj, value, name, &local_err);
|
|
|
|
if (local_err) {
|
|
error_propagate(errp, local_err);
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int machine_set_property(void *opaque,
|
|
const char *name, const char *value,
|
|
Error **errp)
|
|
{
|
|
g_autofree char *qom_name = g_strdup(name);
|
|
char *p;
|
|
|
|
for (p = qom_name; *p; p++) {
|
|
if (*p == '_') {
|
|
*p = '-';
|
|
}
|
|
}
|
|
|
|
/* Legacy options do not correspond to MachineState properties. */
|
|
if (g_str_equal(qom_name, "accel")) {
|
|
return 0;
|
|
}
|
|
if (g_str_equal(qom_name, "igd-passthru")) {
|
|
object_register_sugar_prop(ACCEL_CLASS_NAME("xen"), qom_name, value);
|
|
return 0;
|
|
}
|
|
if (g_str_equal(qom_name, "kvm-shadow-mem") ||
|
|
g_str_equal(qom_name, "kernel-irqchip")) {
|
|
object_register_sugar_prop(ACCEL_CLASS_NAME("kvm"), qom_name, value);
|
|
return 0;
|
|
}
|
|
|
|
return object_parse_property_opt(opaque, name, value, "type", errp);
|
|
}
|
|
|
|
/*
|
|
* Initial object creation happens before all other
|
|
* QEMU data types are created. The majority of objects
|
|
* can be created at this point. The rng-egd object
|
|
* cannot be created here, as it depends on the chardev
|
|
* already existing.
|
|
*/
|
|
static bool object_create_initial(const char *type, QemuOpts *opts)
|
|
{
|
|
if (user_creatable_print_help(type, opts)) {
|
|
exit(0);
|
|
}
|
|
|
|
/*
|
|
* Objects should not be made "delayed" without a reason. If you
|
|
* add one, state the reason in a comment!
|
|
*/
|
|
|
|
/* Reason: rng-egd property "chardev" */
|
|
if (g_str_equal(type, "rng-egd")) {
|
|
return false;
|
|
}
|
|
|
|
#if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
|
|
/* Reason: cryptodev-vhost-user property "chardev" */
|
|
if (g_str_equal(type, "cryptodev-vhost-user")) {
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Reason: filter-* property "netdev" etc.
|
|
*/
|
|
if (g_str_equal(type, "filter-buffer") ||
|
|
g_str_equal(type, "filter-dump") ||
|
|
g_str_equal(type, "filter-mirror") ||
|
|
g_str_equal(type, "filter-redirector") ||
|
|
g_str_equal(type, "colo-compare") ||
|
|
g_str_equal(type, "filter-rewriter") ||
|
|
g_str_equal(type, "filter-replay")) {
|
|
return false;
|
|
}
|
|
|
|
/* Memory allocation by backends needs to be done
|
|
* after configure_accelerator() (due to the tcg_enabled()
|
|
* checks at memory_region_init_*()).
|
|
*
|
|
* Also, allocation of large amounts of memory may delay
|
|
* chardev initialization for too long, and trigger timeouts
|
|
* on software that waits for a monitor socket to be created
|
|
* (e.g. libvirt).
|
|
*/
|
|
if (g_str_has_prefix(type, "memory-backend-")) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
/*
|
|
* The remainder of object creation happens after the
|
|
* creation of chardev, fsdev, net clients and device data types.
|
|
*/
|
|
static bool object_create_delayed(const char *type, QemuOpts *opts)
|
|
{
|
|
return !object_create_initial(type, opts);
|
|
}
|
|
|
|
|
|
static bool set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
|
|
MachineClass *mc)
|
|
{
|
|
uint64_t sz;
|
|
const char *mem_str;
|
|
const ram_addr_t default_ram_size = mc->default_ram_size;
|
|
QemuOpts *opts = qemu_find_opts_singleton("memory");
|
|
Location loc;
|
|
|
|
loc_push_none(&loc);
|
|
qemu_opts_loc_restore(opts);
|
|
|
|
sz = 0;
|
|
mem_str = qemu_opt_get(opts, "size");
|
|
if (mem_str) {
|
|
if (!*mem_str) {
|
|
error_report("missing 'size' option value");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
sz = qemu_opt_get_size(opts, "size", ram_size);
|
|
|
|
/* Fix up legacy suffix-less format */
|
|
if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
|
|
uint64_t overflow_check = sz;
|
|
|
|
sz *= MiB;
|
|
if (sz / MiB != overflow_check) {
|
|
error_report("too large 'size' option value");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* backward compatibility behaviour for case "-m 0" */
|
|
if (sz == 0) {
|
|
sz = default_ram_size;
|
|
}
|
|
|
|
sz = QEMU_ALIGN_UP(sz, 8192);
|
|
ram_size = sz;
|
|
if (ram_size != sz) {
|
|
error_report("ram size too large");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
/* store value for the future use */
|
|
qemu_opt_set_number(opts, "size", ram_size, &error_abort);
|
|
*maxram_size = ram_size;
|
|
|
|
if (qemu_opt_get(opts, "maxmem")) {
|
|
uint64_t slots;
|
|
|
|
sz = qemu_opt_get_size(opts, "maxmem", 0);
|
|
slots = qemu_opt_get_number(opts, "slots", 0);
|
|
if (sz < ram_size) {
|
|
error_report("invalid value of -m option maxmem: "
|
|
"maximum memory size (0x%" PRIx64 ") must be at least "
|
|
"the initial memory size (0x" RAM_ADDR_FMT ")",
|
|
sz, ram_size);
|
|
exit(EXIT_FAILURE);
|
|
} else if (slots && sz == ram_size) {
|
|
error_report("invalid value of -m option maxmem: "
|
|
"memory slots were specified but maximum memory size "
|
|
"(0x%" PRIx64 ") is equal to the initial memory size "
|
|
"(0x" RAM_ADDR_FMT ")", sz, ram_size);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
*maxram_size = sz;
|
|
*ram_slots = slots;
|
|
} else if (qemu_opt_get(opts, "slots")) {
|
|
error_report("invalid -m option value: missing 'maxmem' option");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
loc_pop(&loc);
|
|
return !!mem_str;
|
|
}
|
|
|
|
static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
|
|
{
|
|
GlobalProperty *g;
|
|
|
|
g = g_malloc0(sizeof(*g));
|
|
g->driver = qemu_opt_get(opts, "driver");
|
|
g->property = qemu_opt_get(opts, "property");
|
|
g->value = qemu_opt_get(opts, "value");
|
|
qdev_prop_register_global(g);
|
|
return 0;
|
|
}
|
|
|
|
static int qemu_read_default_config_file(void)
|
|
{
|
|
int ret;
|
|
|
|
ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
|
|
if (ret < 0 && ret != -ENOENT) {
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void user_register_global_props(void)
|
|
{
|
|
qemu_opts_foreach(qemu_find_opts("global"),
|
|
global_init_func, NULL, NULL);
|
|
}
|
|
|
|
static int do_configure_icount(void *opaque, QemuOpts *opts, Error **errp)
|
|
{
|
|
configure_icount(opts, errp);
|
|
return 0;
|
|
}
|
|
|
|
static int accelerator_set_property(void *opaque,
|
|
const char *name, const char *value,
|
|
Error **errp)
|
|
{
|
|
return object_parse_property_opt(opaque, name, value, "accel", errp);
|
|
}
|
|
|
|
static int do_configure_accelerator(void *opaque, QemuOpts *opts, Error **errp)
|
|
{
|
|
bool *p_init_failed = opaque;
|
|
const char *acc = qemu_opt_get(opts, "accel");
|
|
AccelClass *ac = accel_find(acc);
|
|
AccelState *accel;
|
|
int ret;
|
|
|
|
if (!ac) {
|
|
*p_init_failed = true;
|
|
error_report("invalid accelerator %s", acc);
|
|
return 0;
|
|
}
|
|
accel = ACCEL(object_new_with_class(OBJECT_CLASS(ac)));
|
|
object_apply_compat_props(OBJECT(accel));
|
|
qemu_opt_foreach(opts, accelerator_set_property,
|
|
accel,
|
|
&error_fatal);
|
|
|
|
ret = accel_init_machine(accel, current_machine);
|
|
if (ret < 0) {
|
|
*p_init_failed = true;
|
|
error_report("failed to initialize %s: %s",
|
|
acc, strerror(-ret));
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void configure_accelerators(const char *progname)
|
|
{
|
|
const char *accel;
|
|
bool init_failed = false;
|
|
|
|
qemu_opts_foreach(qemu_find_opts("icount"),
|
|
do_configure_icount, NULL, &error_fatal);
|
|
|
|
accel = qemu_opt_get(qemu_get_machine_opts(), "accel");
|
|
if (QTAILQ_EMPTY(&qemu_accel_opts.head)) {
|
|
char **accel_list, **tmp;
|
|
|
|
if (accel == NULL) {
|
|
/* Select the default accelerator */
|
|
bool have_tcg = accel_find("tcg");
|
|
bool have_kvm = accel_find("kvm");
|
|
|
|
if (have_tcg && have_kvm) {
|
|
if (g_str_has_suffix(progname, "kvm")) {
|
|
/* If the program name ends with "kvm", we prefer KVM */
|
|
accel = "kvm:tcg";
|
|
} else {
|
|
accel = "tcg:kvm";
|
|
}
|
|
} else if (have_kvm) {
|
|
accel = "kvm";
|
|
} else if (have_tcg) {
|
|
accel = "tcg";
|
|
} else {
|
|
error_report("No accelerator selected and"
|
|
" no default accelerator available");
|
|
exit(1);
|
|
}
|
|
}
|
|
accel_list = g_strsplit(accel, ":", 0);
|
|
|
|
for (tmp = accel_list; *tmp; tmp++) {
|
|
/*
|
|
* Filter invalid accelerators here, to prevent obscenities
|
|
* such as "-machine accel=tcg,,thread=single".
|
|
*/
|
|
if (accel_find(*tmp)) {
|
|
qemu_opts_parse_noisily(qemu_find_opts("accel"), *tmp, true);
|
|
} else {
|
|
init_failed = true;
|
|
error_report("invalid accelerator %s", *tmp);
|
|
}
|
|
}
|
|
g_strfreev(accel_list);
|
|
} else {
|
|
if (accel != NULL) {
|
|
error_report("The -accel and \"-machine accel=\" options are incompatible");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
if (!qemu_opts_foreach(qemu_find_opts("accel"),
|
|
do_configure_accelerator, &init_failed, &error_fatal)) {
|
|
if (!init_failed) {
|
|
error_report("no accelerator found");
|
|
}
|
|
exit(1);
|
|
}
|
|
|
|
if (init_failed) {
|
|
AccelClass *ac = ACCEL_GET_CLASS(current_accel());
|
|
error_report("falling back to %s", ac->name);
|
|
}
|
|
|
|
if (use_icount && !(tcg_enabled() || qtest_enabled())) {
|
|
error_report("-icount is not allowed with hardware virtualization");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
static void create_default_memdev(MachineState *ms, const char *path)
|
|
{
|
|
Object *obj;
|
|
MachineClass *mc = MACHINE_GET_CLASS(ms);
|
|
|
|
obj = object_new(path ? TYPE_MEMORY_BACKEND_FILE : TYPE_MEMORY_BACKEND_RAM);
|
|
if (path) {
|
|
object_property_set_str(obj, path, "mem-path", &error_fatal);
|
|
}
|
|
object_property_set_int(obj, ms->ram_size, "size", &error_fatal);
|
|
object_property_add_child(object_get_objects_root(), mc->default_ram_id,
|
|
obj, &error_fatal);
|
|
user_creatable_complete(USER_CREATABLE(obj), &error_fatal);
|
|
object_unref(obj);
|
|
object_property_set_str(OBJECT(ms), mc->default_ram_id, "memory-backend",
|
|
&error_fatal);
|
|
}
|
|
|
|
void qemu_init(int argc, char **argv, char **envp)
|
|
{
|
|
int i;
|
|
int snapshot, linux_boot;
|
|
const char *initrd_filename;
|
|
const char *kernel_filename, *kernel_cmdline;
|
|
const char *boot_order = NULL;
|
|
const char *boot_once = NULL;
|
|
DisplayState *ds;
|
|
QemuOpts *opts, *machine_opts;
|
|
QemuOpts *icount_opts = NULL, *accel_opts = NULL;
|
|
QemuOptsList *olist;
|
|
int optind;
|
|
const char *optarg;
|
|
const char *loadvm = NULL;
|
|
MachineClass *machine_class;
|
|
const char *cpu_option;
|
|
const char *vga_model = NULL;
|
|
const char *qtest_chrdev = NULL;
|
|
const char *qtest_log = NULL;
|
|
const char *incoming = NULL;
|
|
bool userconfig = true;
|
|
bool nographic = false;
|
|
int display_remote = 0;
|
|
const char *log_mask = NULL;
|
|
const char *log_file = NULL;
|
|
char *trace_file = NULL;
|
|
ram_addr_t maxram_size;
|
|
uint64_t ram_slots = 0;
|
|
FILE *vmstate_dump_file = NULL;
|
|
Error *main_loop_err = NULL;
|
|
Error *err = NULL;
|
|
bool list_data_dirs = false;
|
|
char *dir, **dirs;
|
|
const char *mem_path = NULL;
|
|
bool have_custom_ram_size;
|
|
BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
|
|
QemuPluginList plugin_list = QTAILQ_HEAD_INITIALIZER(plugin_list);
|
|
int mem_prealloc = 0; /* force preallocation of physical target memory */
|
|
|
|
os_set_line_buffering();
|
|
|
|
error_init(argv[0]);
|
|
module_call_init(MODULE_INIT_TRACE);
|
|
|
|
qemu_init_cpu_list();
|
|
qemu_init_cpu_loop();
|
|
|
|
qemu_mutex_lock_iothread();
|
|
|
|
atexit(qemu_run_exit_notifiers);
|
|
qemu_init_exec_dir(argv[0]);
|
|
|
|
module_call_init(MODULE_INIT_QOM);
|
|
module_call_init(MODULE_INIT_MIGRATION);
|
|
|
|
qemu_add_opts(&qemu_drive_opts);
|
|
qemu_add_drive_opts(&qemu_legacy_drive_opts);
|
|
qemu_add_drive_opts(&qemu_common_drive_opts);
|
|
qemu_add_drive_opts(&qemu_drive_opts);
|
|
qemu_add_drive_opts(&bdrv_runtime_opts);
|
|
qemu_add_opts(&qemu_chardev_opts);
|
|
qemu_add_opts(&qemu_device_opts);
|
|
qemu_add_opts(&qemu_netdev_opts);
|
|
qemu_add_opts(&qemu_nic_opts);
|
|
qemu_add_opts(&qemu_net_opts);
|
|
qemu_add_opts(&qemu_rtc_opts);
|
|
qemu_add_opts(&qemu_global_opts);
|
|
qemu_add_opts(&qemu_mon_opts);
|
|
qemu_add_opts(&qemu_trace_opts);
|
|
qemu_plugin_add_opts();
|
|
qemu_add_opts(&qemu_option_rom_opts);
|
|
qemu_add_opts(&qemu_machine_opts);
|
|
qemu_add_opts(&qemu_accel_opts);
|
|
qemu_add_opts(&qemu_mem_opts);
|
|
qemu_add_opts(&qemu_smp_opts);
|
|
qemu_add_opts(&qemu_boot_opts);
|
|
qemu_add_opts(&qemu_add_fd_opts);
|
|
qemu_add_opts(&qemu_object_opts);
|
|
qemu_add_opts(&qemu_tpmdev_opts);
|
|
qemu_add_opts(&qemu_realtime_opts);
|
|
qemu_add_opts(&qemu_overcommit_opts);
|
|
qemu_add_opts(&qemu_msg_opts);
|
|
qemu_add_opts(&qemu_name_opts);
|
|
qemu_add_opts(&qemu_numa_opts);
|
|
qemu_add_opts(&qemu_icount_opts);
|
|
qemu_add_opts(&qemu_semihosting_config_opts);
|
|
qemu_add_opts(&qemu_fw_cfg_opts);
|
|
module_call_init(MODULE_INIT_OPTS);
|
|
|
|
runstate_init();
|
|
precopy_infrastructure_init();
|
|
postcopy_infrastructure_init();
|
|
monitor_init_globals();
|
|
|
|
if (qcrypto_init(&err) < 0) {
|
|
error_reportf_err(err, "cannot initialize crypto: ");
|
|
exit(1);
|
|
}
|
|
|
|
QTAILQ_INIT(&vm_change_state_head);
|
|
os_setup_early_signal_handling();
|
|
|
|
cpu_option = NULL;
|
|
snapshot = 0;
|
|
|
|
nb_nics = 0;
|
|
|
|
bdrv_init_with_whitelist();
|
|
|
|
autostart = 1;
|
|
|
|
/* first pass of option parsing */
|
|
optind = 1;
|
|
while (optind < argc) {
|
|
if (argv[optind][0] != '-') {
|
|
/* disk image */
|
|
optind++;
|
|
} else {
|
|
const QEMUOption *popt;
|
|
|
|
popt = lookup_opt(argc, argv, &optarg, &optind);
|
|
switch (popt->index) {
|
|
case QEMU_OPTION_nouserconfig:
|
|
userconfig = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (userconfig) {
|
|
if (qemu_read_default_config_file() < 0) {
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
/* second pass of option parsing */
|
|
optind = 1;
|
|
for(;;) {
|
|
if (optind >= argc)
|
|
break;
|
|
if (argv[optind][0] != '-') {
|
|
loc_set_cmdline(argv, optind, 1);
|
|
drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
|
|
} else {
|
|
const QEMUOption *popt;
|
|
|
|
popt = lookup_opt(argc, argv, &optarg, &optind);
|
|
if (!(popt->arch_mask & arch_type)) {
|
|
error_report("Option not supported for this target");
|
|
exit(1);
|
|
}
|
|
switch(popt->index) {
|
|
case QEMU_OPTION_cpu:
|
|
/* hw initialization will check this */
|
|
cpu_option = optarg;
|
|
break;
|
|
case QEMU_OPTION_hda:
|
|
case QEMU_OPTION_hdb:
|
|
case QEMU_OPTION_hdc:
|
|
case QEMU_OPTION_hdd:
|
|
drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
|
|
HD_OPTS);
|
|
break;
|
|
case QEMU_OPTION_blockdev:
|
|
{
|
|
Visitor *v;
|
|
BlockdevOptionsQueueEntry *bdo;
|
|
|
|
v = qobject_input_visitor_new_str(optarg, "driver",
|
|
&error_fatal);
|
|
|
|
bdo = g_new(BlockdevOptionsQueueEntry, 1);
|
|
visit_type_BlockdevOptions(v, NULL, &bdo->bdo,
|
|
&error_fatal);
|
|
visit_free(v);
|
|
loc_save(&bdo->loc);
|
|
QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry);
|
|
break;
|
|
}
|
|
case QEMU_OPTION_drive:
|
|
if (drive_def(optarg) == NULL) {
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_set:
|
|
if (qemu_set_option(optarg) != 0)
|
|
exit(1);
|
|
break;
|
|
case QEMU_OPTION_global:
|
|
if (qemu_global_option(optarg) != 0)
|
|
exit(1);
|
|
break;
|
|
case QEMU_OPTION_mtdblock:
|
|
drive_add(IF_MTD, -1, optarg, MTD_OPTS);
|
|
break;
|
|
case QEMU_OPTION_sd:
|
|
drive_add(IF_SD, -1, optarg, SD_OPTS);
|
|
break;
|
|
case QEMU_OPTION_pflash:
|
|
drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
|
|
break;
|
|
case QEMU_OPTION_snapshot:
|
|
{
|
|
Error *blocker = NULL;
|
|
snapshot = 1;
|
|
error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
|
|
"-snapshot");
|
|
replay_add_blocker(blocker);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_numa:
|
|
opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
|
|
optarg, true);
|
|
if (!opts) {
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_display:
|
|
parse_display(optarg);
|
|
break;
|
|
case QEMU_OPTION_nographic:
|
|
olist = qemu_find_opts("machine");
|
|
qemu_opts_parse_noisily(olist, "graphics=off", false);
|
|
nographic = true;
|
|
dpy.type = DISPLAY_TYPE_NONE;
|
|
break;
|
|
case QEMU_OPTION_curses:
|
|
#ifdef CONFIG_CURSES
|
|
dpy.type = DISPLAY_TYPE_CURSES;
|
|
#else
|
|
error_report("curses or iconv support is disabled");
|
|
exit(1);
|
|
#endif
|
|
break;
|
|
case QEMU_OPTION_portrait:
|
|
graphic_rotate = 90;
|
|
break;
|
|
case QEMU_OPTION_rotate:
|
|
graphic_rotate = strtol(optarg, (char **) &optarg, 10);
|
|
if (graphic_rotate != 0 && graphic_rotate != 90 &&
|
|
graphic_rotate != 180 && graphic_rotate != 270) {
|
|
error_report("only 90, 180, 270 deg rotation is available");
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_kernel:
|
|
qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
|
|
&error_abort);
|
|
break;
|
|
case QEMU_OPTION_initrd:
|
|
qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
|
|
&error_abort);
|
|
break;
|
|
case QEMU_OPTION_append:
|
|
qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
|
|
&error_abort);
|
|
break;
|
|
case QEMU_OPTION_dtb:
|
|
qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
|
|
&error_abort);
|
|
break;
|
|
case QEMU_OPTION_cdrom:
|
|
drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
|
|
break;
|
|
case QEMU_OPTION_boot:
|
|
opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
|
|
optarg, true);
|
|
if (!opts) {
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_fda:
|
|
case QEMU_OPTION_fdb:
|
|
drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
|
|
optarg, FD_OPTS);
|
|
break;
|
|
case QEMU_OPTION_no_fd_bootchk:
|
|
fd_bootchk = 0;
|
|
break;
|
|
case QEMU_OPTION_netdev:
|
|
default_net = 0;
|
|
if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_nic:
|
|
default_net = 0;
|
|
if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) {
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_net:
|
|
default_net = 0;
|
|
if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
|
|
exit(1);
|
|
}
|
|
break;
|
|
#ifdef CONFIG_LIBISCSI
|
|
case QEMU_OPTION_iscsi:
|
|
opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
|
|
optarg, false);
|
|
if (!opts) {
|
|
exit(1);
|
|
}
|
|
break;
|
|
#endif
|
|
case QEMU_OPTION_audio_help:
|
|
audio_legacy_help();
|
|
exit (0);
|
|
break;
|
|
case QEMU_OPTION_audiodev:
|
|
audio_parse_option(optarg);
|
|
break;
|
|
case QEMU_OPTION_soundhw:
|
|
select_soundhw (optarg);
|
|
break;
|
|
case QEMU_OPTION_h:
|
|
help(0);
|
|
break;
|
|
case QEMU_OPTION_version:
|
|
version();
|
|
exit(0);
|
|
break;
|
|
case QEMU_OPTION_m:
|
|
opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
|
|
optarg, true);
|
|
if (!opts) {
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
break;
|
|
#ifdef CONFIG_TPM
|
|
case QEMU_OPTION_tpmdev:
|
|
if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
|
|
exit(1);
|
|
}
|
|
break;
|
|
#endif
|
|
case QEMU_OPTION_mempath:
|
|
mem_path = optarg;
|
|
break;
|
|
case QEMU_OPTION_mem_prealloc:
|
|
mem_prealloc = 1;
|
|
break;
|
|
case QEMU_OPTION_d:
|
|
log_mask = optarg;
|
|
break;
|
|
case QEMU_OPTION_D:
|
|
log_file = optarg;
|
|
break;
|
|
case QEMU_OPTION_DFILTER:
|
|
qemu_set_dfilter_ranges(optarg, &error_fatal);
|
|
break;
|
|
case QEMU_OPTION_seed:
|
|
qemu_guest_random_seed_main(optarg, &error_fatal);
|
|
break;
|
|
case QEMU_OPTION_s:
|
|
add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
|
|
break;
|
|
case QEMU_OPTION_gdb:
|
|
add_device_config(DEV_GDB, optarg);
|
|
break;
|
|
case QEMU_OPTION_L:
|
|
if (is_help_option(optarg)) {
|
|
list_data_dirs = true;
|
|
} else {
|
|
qemu_add_data_dir(optarg);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_bios:
|
|
qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
|
|
&error_abort);
|
|
break;
|
|
case QEMU_OPTION_singlestep:
|
|
singlestep = 1;
|
|
break;
|
|
case QEMU_OPTION_S:
|
|
autostart = 0;
|
|
break;
|
|
case QEMU_OPTION_k:
|
|
keyboard_layout = optarg;
|
|
break;
|
|
case QEMU_OPTION_vga:
|
|
vga_model = optarg;
|
|
default_vga = 0;
|
|
break;
|
|
case QEMU_OPTION_g:
|
|
{
|
|
const char *p;
|
|
int w, h, depth;
|
|
p = optarg;
|
|
w = strtol(p, (char **)&p, 10);
|
|
if (w <= 0) {
|
|
graphic_error:
|
|
error_report("invalid resolution or depth");
|
|
exit(1);
|
|
}
|
|
if (*p != 'x')
|
|
goto graphic_error;
|
|
p++;
|
|
h = strtol(p, (char **)&p, 10);
|
|
if (h <= 0)
|
|
goto graphic_error;
|
|
if (*p == 'x') {
|
|
p++;
|
|
depth = strtol(p, (char **)&p, 10);
|
|
if (depth != 1 && depth != 2 && depth != 4 &&
|
|
depth != 8 && depth != 15 && depth != 16 &&
|
|
depth != 24 && depth != 32)
|
|
goto graphic_error;
|
|
} else if (*p == '\0') {
|
|
depth = graphic_depth;
|
|
} else {
|
|
goto graphic_error;
|
|
}
|
|
|
|
graphic_width = w;
|
|
graphic_height = h;
|
|
graphic_depth = depth;
|
|
}
|
|
break;
|
|
case QEMU_OPTION_echr:
|
|
{
|
|
char *r;
|
|
term_escape_char = strtol(optarg, &r, 0);
|
|
if (r == optarg)
|
|
printf("Bad argument to echr\n");
|
|
break;
|
|
}
|
|
case QEMU_OPTION_monitor:
|
|
default_monitor = 0;
|
|
if (strncmp(optarg, "none", 4)) {
|
|
monitor_parse(optarg, "readline", false);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_qmp:
|
|
monitor_parse(optarg, "control", false);
|
|
default_monitor = 0;
|
|
break;
|
|
case QEMU_OPTION_qmp_pretty:
|
|
monitor_parse(optarg, "control", true);
|
|
default_monitor = 0;
|
|
break;
|
|
case QEMU_OPTION_mon:
|
|
opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
|
|
true);
|
|
if (!opts) {
|
|
exit(1);
|
|
}
|
|
default_monitor = 0;
|
|
break;
|
|
case QEMU_OPTION_chardev:
|
|
opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
|
|
optarg, true);
|
|
if (!opts) {
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_fsdev:
|
|
olist = qemu_find_opts("fsdev");
|
|
if (!olist) {
|
|
error_report("fsdev support is disabled");
|
|
exit(1);
|
|
}
|
|
opts = qemu_opts_parse_noisily(olist, optarg, true);
|
|
if (!opts) {
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_virtfs: {
|
|
QemuOpts *fsdev;
|
|
QemuOpts *device;
|
|
const char *writeout, *sock_fd, *socket, *path, *security_model,
|
|
*multidevs;
|
|
|
|
olist = qemu_find_opts("virtfs");
|
|
if (!olist) {
|
|
error_report("virtfs support is disabled");
|
|
exit(1);
|
|
}
|
|
opts = qemu_opts_parse_noisily(olist, optarg, true);
|
|
if (!opts) {
|
|
exit(1);
|
|
}
|
|
|
|
if (qemu_opt_get(opts, "fsdriver") == NULL ||
|
|
qemu_opt_get(opts, "mount_tag") == NULL) {
|
|
error_report("Usage: -virtfs fsdriver,mount_tag=tag");
|
|
exit(1);
|
|
}
|
|
fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
|
|
qemu_opts_id(opts) ?:
|
|
qemu_opt_get(opts, "mount_tag"),
|
|
1, NULL);
|
|
if (!fsdev) {
|
|
error_report("duplicate or invalid fsdev id: %s",
|
|
qemu_opt_get(opts, "mount_tag"));
|
|
exit(1);
|
|
}
|
|
|
|
writeout = qemu_opt_get(opts, "writeout");
|
|
if (writeout) {
|
|
#ifdef CONFIG_SYNC_FILE_RANGE
|
|
qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
|
|
#else
|
|
error_report("writeout=immediate not supported "
|
|
"on this platform");
|
|
exit(1);
|
|
#endif
|
|
}
|
|
qemu_opt_set(fsdev, "fsdriver",
|
|
qemu_opt_get(opts, "fsdriver"), &error_abort);
|
|
path = qemu_opt_get(opts, "path");
|
|
if (path) {
|
|
qemu_opt_set(fsdev, "path", path, &error_abort);
|
|
}
|
|
security_model = qemu_opt_get(opts, "security_model");
|
|
if (security_model) {
|
|
qemu_opt_set(fsdev, "security_model", security_model,
|
|
&error_abort);
|
|
}
|
|
socket = qemu_opt_get(opts, "socket");
|
|
if (socket) {
|
|
qemu_opt_set(fsdev, "socket", socket, &error_abort);
|
|
}
|
|
sock_fd = qemu_opt_get(opts, "sock_fd");
|
|
if (sock_fd) {
|
|
qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
|
|
}
|
|
|
|
qemu_opt_set_bool(fsdev, "readonly",
|
|
qemu_opt_get_bool(opts, "readonly", 0),
|
|
&error_abort);
|
|
multidevs = qemu_opt_get(opts, "multidevs");
|
|
if (multidevs) {
|
|
qemu_opt_set(fsdev, "multidevs", multidevs, &error_abort);
|
|
}
|
|
device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
|
|
&error_abort);
|
|
qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
|
|
qemu_opt_set(device, "fsdev",
|
|
qemu_opts_id(fsdev), &error_abort);
|
|
qemu_opt_set(device, "mount_tag",
|
|
qemu_opt_get(opts, "mount_tag"), &error_abort);
|
|
break;
|
|
}
|
|
case QEMU_OPTION_serial:
|
|
add_device_config(DEV_SERIAL, optarg);
|
|
default_serial = 0;
|
|
if (strncmp(optarg, "mon:", 4) == 0) {
|
|
default_monitor = 0;
|
|
}
|
|
break;
|
|
case QEMU_OPTION_watchdog:
|
|
if (watchdog) {
|
|
error_report("only one watchdog option may be given");
|
|
exit(1);
|
|
}
|
|
watchdog = optarg;
|
|
break;
|
|
case QEMU_OPTION_watchdog_action:
|
|
if (select_watchdog_action(optarg) == -1) {
|
|
error_report("unknown -watchdog-action parameter");
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_parallel:
|
|
add_device_config(DEV_PARALLEL, optarg);
|
|
default_parallel = 0;
|
|
if (strncmp(optarg, "mon:", 4) == 0) {
|
|
default_monitor = 0;
|
|
}
|
|
break;
|
|
case QEMU_OPTION_debugcon:
|
|
add_device_config(DEV_DEBUGCON, optarg);
|
|
break;
|
|
case QEMU_OPTION_loadvm:
|
|
loadvm = optarg;
|
|
break;
|
|
case QEMU_OPTION_full_screen:
|
|
dpy.has_full_screen = true;
|
|
dpy.full_screen = true;
|
|
break;
|
|
case QEMU_OPTION_alt_grab:
|
|
alt_grab = 1;
|
|
break;
|
|
case QEMU_OPTION_ctrl_grab:
|
|
ctrl_grab = 1;
|
|
break;
|
|
case QEMU_OPTION_no_quit:
|
|
dpy.has_window_close = true;
|
|
dpy.window_close = false;
|
|
break;
|
|
case QEMU_OPTION_sdl:
|
|
#ifdef CONFIG_SDL
|
|
dpy.type = DISPLAY_TYPE_SDL;
|
|
break;
|
|
#else
|
|
error_report("SDL support is disabled");
|
|
exit(1);
|
|
#endif
|
|
case QEMU_OPTION_pidfile:
|
|
pid_file = optarg;
|
|
break;
|
|
case QEMU_OPTION_win2k_hack:
|
|
win2k_install_hack = 1;
|
|
break;
|
|
case QEMU_OPTION_acpitable:
|
|
opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
|
|
optarg, true);
|
|
if (!opts) {
|
|
exit(1);
|
|
}
|
|
acpi_table_add(opts, &error_fatal);
|
|
break;
|
|
case QEMU_OPTION_smbios:
|
|
opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
|
|
optarg, false);
|
|
if (!opts) {
|
|
exit(1);
|
|
}
|
|
smbios_entry_add(opts, &error_fatal);
|
|
break;
|
|
case QEMU_OPTION_fwcfg:
|
|
opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
|
|
optarg, true);
|
|
if (opts == NULL) {
|
|
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_M:
|
|
case QEMU_OPTION_machine:
|
|
olist = qemu_find_opts("machine");
|
|
opts = qemu_opts_parse_noisily(olist, optarg, true);
|
|
if (!opts) {
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_no_kvm:
|
|
olist = qemu_find_opts("machine");
|
|
qemu_opts_parse_noisily(olist, "accel=tcg", false);
|
|
break;
|
|
case QEMU_OPTION_accel:
|
|
accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"),
|
|
optarg, true);
|
|
optarg = qemu_opt_get(accel_opts, "accel");
|
|
if (!optarg || is_help_option(optarg)) {
|
|
printf("Accelerators supported in QEMU binary:\n");
|
|
GSList *el, *accel_list = object_class_get_list(TYPE_ACCEL,
|
|
false);
|
|
for (el = accel_list; el; el = el->next) {
|
|
gchar *typename = g_strdup(object_class_get_name(
|
|
OBJECT_CLASS(el->data)));
|
|
/* omit qtest which is used for tests only */
|
|
if (g_strcmp0(typename, ACCEL_CLASS_NAME("qtest")) &&
|
|
g_str_has_suffix(typename, ACCEL_CLASS_SUFFIX)) {
|
|
gchar **optname = g_strsplit(typename,
|
|
ACCEL_CLASS_SUFFIX, 0);
|
|
printf("%s\n", optname[0]);
|
|
g_strfreev(optname);
|
|
}
|
|
g_free(typename);
|
|
}
|
|
g_slist_free(accel_list);
|
|
exit(0);
|
|
}
|
|
if (optarg && strchr(optarg, ':')) {
|
|
error_report("Don't use ':' with -accel, "
|
|
"use -M accel=... for now instead");
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_usb:
|
|
olist = qemu_find_opts("machine");
|
|
qemu_opts_parse_noisily(olist, "usb=on", false);
|
|
break;
|
|
case QEMU_OPTION_usbdevice:
|
|
error_report("'-usbdevice' is deprecated, please use "
|
|
"'-device usb-...' instead");
|
|
olist = qemu_find_opts("machine");
|
|
qemu_opts_parse_noisily(olist, "usb=on", false);
|
|
add_device_config(DEV_USB, optarg);
|
|
break;
|
|
case QEMU_OPTION_device:
|
|
if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
|
|
optarg, true)) {
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_smp:
|
|
if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
|
|
optarg, true)) {
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_vnc:
|
|
vnc_parse(optarg, &error_fatal);
|
|
break;
|
|
case QEMU_OPTION_no_acpi:
|
|
acpi_enabled = 0;
|
|
break;
|
|
case QEMU_OPTION_no_hpet:
|
|
no_hpet = 1;
|
|
break;
|
|
case QEMU_OPTION_no_reboot:
|
|
no_reboot = 1;
|
|
break;
|
|
case QEMU_OPTION_no_shutdown:
|
|
no_shutdown = 1;
|
|
break;
|
|
case QEMU_OPTION_show_cursor:
|
|
warn_report("The -show-cursor option is deprecated, "
|
|
"use -display {sdl,gtk},show-cursor=on instead");
|
|
dpy.has_show_cursor = true;
|
|
dpy.show_cursor = true;
|
|
break;
|
|
case QEMU_OPTION_uuid:
|
|
if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
|
|
error_report("failed to parse UUID string: wrong format");
|
|
exit(1);
|
|
}
|
|
qemu_uuid_set = true;
|
|
break;
|
|
case QEMU_OPTION_option_rom:
|
|
if (nb_option_roms >= MAX_OPTION_ROMS) {
|
|
error_report("too many option ROMs");
|
|
exit(1);
|
|
}
|
|
opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
|
|
optarg, true);
|
|
if (!opts) {
|
|
exit(1);
|
|
}
|
|
option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
|
|
option_rom[nb_option_roms].bootindex =
|
|
qemu_opt_get_number(opts, "bootindex", -1);
|
|
if (!option_rom[nb_option_roms].name) {
|
|
error_report("Option ROM file is not specified");
|
|
exit(1);
|
|
}
|
|
nb_option_roms++;
|
|
break;
|
|
case QEMU_OPTION_semihosting:
|
|
qemu_semihosting_enable();
|
|
break;
|
|
case QEMU_OPTION_semihosting_config:
|
|
if (qemu_semihosting_config_options(optarg) != 0) {
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_name:
|
|
opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
|
|
optarg, true);
|
|
if (!opts) {
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_prom_env:
|
|
if (nb_prom_envs >= MAX_PROM_ENVS) {
|
|
error_report("too many prom variables");
|
|
exit(1);
|
|
}
|
|
prom_envs[nb_prom_envs] = optarg;
|
|
nb_prom_envs++;
|
|
break;
|
|
case QEMU_OPTION_old_param:
|
|
old_param = 1;
|
|
break;
|
|
case QEMU_OPTION_rtc:
|
|
opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
|
|
false);
|
|
if (!opts) {
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_tb_size:
|
|
#ifndef CONFIG_TCG
|
|
error_report("TCG is disabled");
|
|
exit(1);
|
|
#endif
|
|
warn_report("The -tb-size option is deprecated, use -accel tcg,tb-size instead");
|
|
object_register_sugar_prop(ACCEL_CLASS_NAME("tcg"), "tb-size", optarg);
|
|
break;
|
|
case QEMU_OPTION_icount:
|
|
icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
|
|
optarg, true);
|
|
if (!icount_opts) {
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_incoming:
|
|
if (!incoming) {
|
|
runstate_set(RUN_STATE_INMIGRATE);
|
|
}
|
|
incoming = optarg;
|
|
break;
|
|
case QEMU_OPTION_only_migratable:
|
|
only_migratable = 1;
|
|
break;
|
|
case QEMU_OPTION_nodefaults:
|
|
has_defaults = 0;
|
|
break;
|
|
case QEMU_OPTION_xen_domid:
|
|
if (!(xen_available())) {
|
|
error_report("Option not supported for this target");
|
|
exit(1);
|
|
}
|
|
xen_domid = atoi(optarg);
|
|
break;
|
|
case QEMU_OPTION_xen_attach:
|
|
if (!(xen_available())) {
|
|
error_report("Option not supported for this target");
|
|
exit(1);
|
|
}
|
|
xen_mode = XEN_ATTACH;
|
|
break;
|
|
case QEMU_OPTION_xen_domid_restrict:
|
|
if (!(xen_available())) {
|
|
error_report("Option not supported for this target");
|
|
exit(1);
|
|
}
|
|
xen_domid_restrict = true;
|
|
break;
|
|
case QEMU_OPTION_trace:
|
|
g_free(trace_file);
|
|
trace_file = trace_opt_parse(optarg);
|
|
break;
|
|
case QEMU_OPTION_plugin:
|
|
qemu_plugin_opt_parse(optarg, &plugin_list);
|
|
break;
|
|
case QEMU_OPTION_readconfig:
|
|
{
|
|
int ret = qemu_read_config_file(optarg);
|
|
if (ret < 0) {
|
|
error_report("read config %s: %s", optarg,
|
|
strerror(-ret));
|
|
exit(1);
|
|
}
|
|
break;
|
|
}
|
|
case QEMU_OPTION_spice:
|
|
olist = qemu_find_opts("spice");
|
|
if (!olist) {
|
|
error_report("spice support is disabled");
|
|
exit(1);
|
|
}
|
|
opts = qemu_opts_parse_noisily(olist, optarg, false);
|
|
if (!opts) {
|
|
exit(1);
|
|
}
|
|
display_remote++;
|
|
break;
|
|
case QEMU_OPTION_writeconfig:
|
|
{
|
|
FILE *fp;
|
|
if (strcmp(optarg, "-") == 0) {
|
|
fp = stdout;
|
|
} else {
|
|
fp = fopen(optarg, "w");
|
|
if (fp == NULL) {
|
|
error_report("open %s: %s", optarg,
|
|
strerror(errno));
|
|
exit(1);
|
|
}
|
|
}
|
|
qemu_config_write(fp);
|
|
if (fp != stdout) {
|
|
fclose(fp);
|
|
}
|
|
break;
|
|
}
|
|
case QEMU_OPTION_qtest:
|
|
qtest_chrdev = optarg;
|
|
break;
|
|
case QEMU_OPTION_qtest_log:
|
|
qtest_log = optarg;
|
|
break;
|
|
case QEMU_OPTION_sandbox:
|
|
olist = qemu_find_opts("sandbox");
|
|
if (!olist) {
|
|
#ifndef CONFIG_SECCOMP
|
|
error_report("-sandbox support is not enabled "
|
|
"in this QEMU binary");
|
|
#endif
|
|
exit(1);
|
|
}
|
|
|
|
opts = qemu_opts_parse_noisily(olist, optarg, true);
|
|
if (!opts) {
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_add_fd:
|
|
#ifndef _WIN32
|
|
opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
|
|
optarg, false);
|
|
if (!opts) {
|
|
exit(1);
|
|
}
|
|
#else
|
|
error_report("File descriptor passing is disabled on this "
|
|
"platform");
|
|
exit(1);
|
|
#endif
|
|
break;
|
|
case QEMU_OPTION_object:
|
|
opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
|
|
optarg, true);
|
|
if (!opts) {
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_realtime:
|
|
warn_report("'-realtime mlock=...' is deprecated, please use "
|
|
"'-overcommit mem-lock=...' instead");
|
|
opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
|
|
optarg, false);
|
|
if (!opts) {
|
|
exit(1);
|
|
}
|
|
/* 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,
|
|
false);
|
|
if (!opts) {
|
|
exit(1);
|
|
}
|
|
configure_msg(opts);
|
|
break;
|
|
case QEMU_OPTION_dump_vmstate:
|
|
if (vmstate_dump_file) {
|
|
error_report("only one '-dump-vmstate' "
|
|
"option may be given");
|
|
exit(1);
|
|
}
|
|
vmstate_dump_file = fopen(optarg, "w");
|
|
if (vmstate_dump_file == NULL) {
|
|
error_report("open %s: %s", optarg, strerror(errno));
|
|
exit(1);
|
|
}
|
|
break;
|
|
case QEMU_OPTION_enable_sync_profile:
|
|
qsp_enable();
|
|
break;
|
|
case QEMU_OPTION_nouserconfig:
|
|
/* Nothing to be parsed here. Especially, do not error out below. */
|
|
break;
|
|
default:
|
|
if (os_parse_cmd_args(popt->index, optarg)) {
|
|
error_report("Option not supported in this build");
|
|
exit(1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
/*
|
|
* Clear error location left behind by the loop.
|
|
* Best done right after the loop. Do not insert code here!
|
|
*/
|
|
loc_set_none();
|
|
|
|
/*
|
|
* Check for -cpu help and -device help before we call select_machine(),
|
|
* which will return an error if the architecture has no default machine
|
|
* type and the user did not specify one, so that the user doesn't need
|
|
* to say '-cpu help -machine something'.
|
|
*/
|
|
if (cpu_option && is_help_option(cpu_option)) {
|
|
list_cpus(cpu_option);
|
|
exit(0);
|
|
}
|
|
|
|
if (qemu_opts_foreach(qemu_find_opts("device"),
|
|
device_help_func, NULL, NULL)) {
|
|
exit(0);
|
|
}
|
|
|
|
user_register_global_props();
|
|
|
|
replay_configure(icount_opts);
|
|
|
|
if (incoming && !preconfig_exit_requested) {
|
|
error_report("'preconfig' and 'incoming' options are "
|
|
"mutually exclusive");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
configure_rtc(qemu_find_opts_singleton("rtc"));
|
|
|
|
machine_class = select_machine();
|
|
object_set_machine_compat_props(machine_class->compat_props);
|
|
|
|
have_custom_ram_size = set_memory_options(&ram_slots, &maxram_size,
|
|
machine_class);
|
|
|
|
os_daemonize();
|
|
|
|
/*
|
|
* If QTest is enabled, keep the rcu_atfork enabled, since system processes
|
|
* may be forked testing purposes (e.g. fork-server based fuzzing) The fork
|
|
* should happen before a signle cpu instruction is executed, to prevent
|
|
* deadlocks. See commit 73c6e40, rcu: "completely disable pthread_atfork
|
|
* callbacks as soon as possible"
|
|
*/
|
|
if (!qtest_enabled()) {
|
|
rcu_disable_atfork();
|
|
}
|
|
|
|
if (pid_file && !qemu_write_pidfile(pid_file, &err)) {
|
|
error_reportf_err(err, "cannot create PID file: ");
|
|
exit(1);
|
|
}
|
|
|
|
qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile;
|
|
qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier);
|
|
|
|
if (qemu_init_main_loop(&main_loop_err)) {
|
|
error_report_err(main_loop_err);
|
|
exit(1);
|
|
}
|
|
|
|
#ifdef CONFIG_SECCOMP
|
|
olist = qemu_find_opts_err("sandbox", NULL);
|
|
if (olist) {
|
|
qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal);
|
|
}
|
|
#endif
|
|
|
|
qemu_opts_foreach(qemu_find_opts("name"),
|
|
parse_name, NULL, &error_fatal);
|
|
|
|
#ifndef _WIN32
|
|
qemu_opts_foreach(qemu_find_opts("add-fd"),
|
|
parse_add_fd, NULL, &error_fatal);
|
|
|
|
qemu_opts_foreach(qemu_find_opts("add-fd"),
|
|
cleanup_add_fd, NULL, &error_fatal);
|
|
#endif
|
|
|
|
current_machine = MACHINE(object_new_with_class(OBJECT_CLASS(machine_class)));
|
|
if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
|
|
exit(0);
|
|
}
|
|
object_property_add_child(object_get_root(), "machine",
|
|
OBJECT(current_machine), &error_abort);
|
|
object_property_add_child(container_get(OBJECT(current_machine),
|
|
"/unattached"),
|
|
"sysbus", OBJECT(sysbus_get_default()),
|
|
NULL);
|
|
|
|
if (machine_class->minimum_page_bits) {
|
|
if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
|
|
/* This would be a board error: specifying a minimum smaller than
|
|
* a target's compile-time fixed setting.
|
|
*/
|
|
g_assert_not_reached();
|
|
}
|
|
}
|
|
|
|
cpu_exec_init_all();
|
|
|
|
if (machine_class->hw_version) {
|
|
qemu_set_hw_version(machine_class->hw_version);
|
|
}
|
|
|
|
if (!trace_init_backends()) {
|
|
exit(1);
|
|
}
|
|
trace_init_file(trace_file);
|
|
|
|
/* Open the logfile at this point and set the log mask if necessary.
|
|
*/
|
|
qemu_set_log_filename(log_file, &error_fatal);
|
|
if (log_mask) {
|
|
int mask;
|
|
mask = qemu_str_to_log_mask(log_mask);
|
|
if (!mask) {
|
|
qemu_print_log_usage(stdout);
|
|
exit(1);
|
|
}
|
|
qemu_set_log(mask);
|
|
} else {
|
|
qemu_set_log(0);
|
|
}
|
|
|
|
/* add configured firmware directories */
|
|
dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0);
|
|
for (i = 0; dirs[i] != NULL; i++) {
|
|
qemu_add_data_dir(dirs[i]);
|
|
}
|
|
g_strfreev(dirs);
|
|
|
|
/* try to find datadir relative to the executable path */
|
|
dir = os_find_datadir();
|
|
qemu_add_data_dir(dir);
|
|
g_free(dir);
|
|
|
|
/* add the datadir specified when building */
|
|
qemu_add_data_dir(CONFIG_QEMU_DATADIR);
|
|
|
|
/* -L help lists the data directories and exits. */
|
|
if (list_data_dirs) {
|
|
for (i = 0; i < data_dir_idx; i++) {
|
|
printf("%s\n", data_dir[i]);
|
|
}
|
|
exit(0);
|
|
}
|
|
|
|
/* machine_class: default to UP */
|
|
machine_class->max_cpus = machine_class->max_cpus ?: 1;
|
|
machine_class->min_cpus = machine_class->min_cpus ?: 1;
|
|
machine_class->default_cpus = machine_class->default_cpus ?: 1;
|
|
|
|
/* default to machine_class->default_cpus */
|
|
current_machine->smp.cpus = machine_class->default_cpus;
|
|
current_machine->smp.max_cpus = machine_class->default_cpus;
|
|
current_machine->smp.cores = 1;
|
|
current_machine->smp.threads = 1;
|
|
current_machine->smp.sockets = 1;
|
|
|
|
machine_class->smp_parse(current_machine,
|
|
qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
|
|
|
|
/* sanity-check smp_cpus and max_cpus against machine_class */
|
|
if (current_machine->smp.cpus < machine_class->min_cpus) {
|
|
error_report("Invalid SMP CPUs %d. The min CPUs "
|
|
"supported by machine '%s' is %d",
|
|
current_machine->smp.cpus,
|
|
machine_class->name, machine_class->min_cpus);
|
|
exit(1);
|
|
}
|
|
if (current_machine->smp.max_cpus > machine_class->max_cpus) {
|
|
error_report("Invalid SMP CPUs %d. The max CPUs "
|
|
"supported by machine '%s' is %d",
|
|
current_machine->smp.max_cpus,
|
|
machine_class->name, machine_class->max_cpus);
|
|
exit(1);
|
|
}
|
|
|
|
if (mem_prealloc) {
|
|
char *val;
|
|
|
|
val = g_strdup_printf("%d", current_machine->smp.cpus);
|
|
object_register_sugar_prop("memory-backend", "prealloc-threads", val);
|
|
g_free(val);
|
|
object_register_sugar_prop("memory-backend", "prealloc", "on");
|
|
}
|
|
|
|
/*
|
|
* Get the default machine options from the machine if it is not already
|
|
* specified either by the configuration file or by the command line.
|
|
*/
|
|
if (machine_class->default_machine_opts) {
|
|
qemu_opts_set_defaults(qemu_find_opts("machine"),
|
|
machine_class->default_machine_opts, 0);
|
|
}
|
|
|
|
/* process plugin before CPUs are created, but once -smp has been parsed */
|
|
if (qemu_plugin_load_list(&plugin_list)) {
|
|
exit(1);
|
|
}
|
|
|
|
qemu_opts_foreach(qemu_find_opts("device"),
|
|
default_driver_check, NULL, NULL);
|
|
qemu_opts_foreach(qemu_find_opts("global"),
|
|
default_driver_check, NULL, NULL);
|
|
|
|
if (!vga_model && !default_vga) {
|
|
vga_interface_type = VGA_DEVICE;
|
|
}
|
|
if (!has_defaults || machine_class->no_serial) {
|
|
default_serial = 0;
|
|
}
|
|
if (!has_defaults || machine_class->no_parallel) {
|
|
default_parallel = 0;
|
|
}
|
|
if (!has_defaults || machine_class->no_floppy) {
|
|
default_floppy = 0;
|
|
}
|
|
if (!has_defaults || machine_class->no_cdrom) {
|
|
default_cdrom = 0;
|
|
}
|
|
if (!has_defaults || machine_class->no_sdcard) {
|
|
default_sdcard = 0;
|
|
}
|
|
if (!has_defaults) {
|
|
default_monitor = 0;
|
|
default_net = 0;
|
|
default_vga = 0;
|
|
}
|
|
|
|
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
|
|
* -nographic is legacy, let's just error out.
|
|
* We disallow -nographic only if all other ports are not redirected
|
|
* explicitly, to not break existing legacy setups which uses
|
|
* -nographic _and_ redirects all ports explicitly - this is valid
|
|
* usage, -nographic is just a no-op in this case.
|
|
*/
|
|
if (nographic
|
|
&& (default_parallel || default_serial || default_monitor)) {
|
|
error_report("-nographic cannot be used with -daemonize");
|
|
exit(1);
|
|
}
|
|
#ifdef CONFIG_CURSES
|
|
if (dpy.type == DISPLAY_TYPE_CURSES) {
|
|
error_report("curses display cannot be used with -daemonize");
|
|
exit(1);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
if (nographic) {
|
|
if (default_parallel)
|
|
add_device_config(DEV_PARALLEL, "null");
|
|
if (default_serial && default_monitor) {
|
|
add_device_config(DEV_SERIAL, "mon:stdio");
|
|
} else {
|
|
if (default_serial)
|
|
add_device_config(DEV_SERIAL, "stdio");
|
|
if (default_monitor)
|
|
monitor_parse("stdio", "readline", false);
|
|
}
|
|
} else {
|
|
if (default_serial)
|
|
add_device_config(DEV_SERIAL, "vc:80Cx24C");
|
|
if (default_parallel)
|
|
add_device_config(DEV_PARALLEL, "vc:80Cx24C");
|
|
if (default_monitor)
|
|
monitor_parse("vc:80Cx24C", "readline", false);
|
|
}
|
|
|
|
#if defined(CONFIG_VNC)
|
|
if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
|
|
display_remote++;
|
|
}
|
|
#endif
|
|
if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) {
|
|
if (!qemu_display_find_default(&dpy)) {
|
|
dpy.type = DISPLAY_TYPE_NONE;
|
|
#if defined(CONFIG_VNC)
|
|
vnc_parse("localhost:0,to=99,id=default", &error_abort);
|
|
#endif
|
|
}
|
|
}
|
|
if (dpy.type == DISPLAY_TYPE_DEFAULT) {
|
|
dpy.type = DISPLAY_TYPE_NONE;
|
|
}
|
|
|
|
if ((alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) {
|
|
error_report("-alt-grab and -ctrl-grab are only valid "
|
|
"for SDL, ignoring option");
|
|
}
|
|
if (dpy.has_window_close &&
|
|
(dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) {
|
|
error_report("-no-quit is only valid for GTK and SDL, "
|
|
"ignoring option");
|
|
}
|
|
|
|
qemu_display_early_init(&dpy);
|
|
qemu_console_early_init();
|
|
|
|
if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) {
|
|
#if defined(CONFIG_OPENGL)
|
|
error_report("OpenGL is not supported by the display");
|
|
#else
|
|
error_report("OpenGL support is disabled");
|
|
#endif
|
|
exit(1);
|
|
}
|
|
|
|
page_size_init();
|
|
socket_init();
|
|
|
|
qemu_opts_foreach(qemu_find_opts("object"),
|
|
user_creatable_add_opts_foreach,
|
|
object_create_initial, &error_fatal);
|
|
|
|
qemu_opts_foreach(qemu_find_opts("chardev"),
|
|
chardev_init_func, NULL, &error_fatal);
|
|
/* now chardevs have been created we may have semihosting to connect */
|
|
qemu_semihosting_connect_chardevs();
|
|
|
|
#ifdef CONFIG_VIRTFS
|
|
qemu_opts_foreach(qemu_find_opts("fsdev"),
|
|
fsdev_init_func, NULL, &error_fatal);
|
|
#endif
|
|
|
|
/*
|
|
* Note: we need to create block backends before
|
|
* machine_set_property(), so machine properties can refer to
|
|
* them.
|
|
*/
|
|
configure_blockdev(&bdo_queue, machine_class, snapshot);
|
|
|
|
machine_opts = qemu_get_machine_opts();
|
|
qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
|
|
&error_fatal);
|
|
|
|
/*
|
|
* Note: uses machine properties such as kernel-irqchip, must run
|
|
* after machine_set_property().
|
|
*/
|
|
configure_accelerators(argv[0]);
|
|
|
|
/*
|
|
* Beware, QOM objects created before this point miss global and
|
|
* compat properties.
|
|
*
|
|
* Global properties get set up by qdev_prop_register_global(),
|
|
* called from user_register_global_props(), and certain option
|
|
* desugaring. Also in CPU feature desugaring (buried in
|
|
* parse_cpu_option()), which happens below this point, but may
|
|
* only target the CPU type, which can only be created after
|
|
* parse_cpu_option() returned the type.
|
|
*
|
|
* Machine compat properties: object_set_machine_compat_props().
|
|
* Accelerator compat props: object_set_accelerator_compat_props(),
|
|
* called from configure_accelerator().
|
|
*/
|
|
|
|
if (!qtest_enabled() && machine_class->deprecation_reason) {
|
|
error_report("Machine type '%s' is deprecated: %s",
|
|
machine_class->name, machine_class->deprecation_reason);
|
|
}
|
|
|
|
/*
|
|
* Note: creates a QOM object, must run only after global and
|
|
* compat properties have been set up.
|
|
*/
|
|
migration_object_init();
|
|
|
|
if (qtest_chrdev) {
|
|
qtest_server_init(qtest_chrdev, qtest_log, &error_fatal);
|
|
}
|
|
|
|
machine_opts = qemu_get_machine_opts();
|
|
kernel_filename = qemu_opt_get(machine_opts, "kernel");
|
|
initrd_filename = qemu_opt_get(machine_opts, "initrd");
|
|
kernel_cmdline = qemu_opt_get(machine_opts, "append");
|
|
bios_name = qemu_opt_get(machine_opts, "firmware");
|
|
|
|
opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
|
|
if (opts) {
|
|
boot_order = qemu_opt_get(opts, "order");
|
|
if (boot_order) {
|
|
validate_bootdevices(boot_order, &error_fatal);
|
|
}
|
|
|
|
boot_once = qemu_opt_get(opts, "once");
|
|
if (boot_once) {
|
|
validate_bootdevices(boot_once, &error_fatal);
|
|
}
|
|
|
|
boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
|
|
boot_strict = qemu_opt_get_bool(opts, "strict", false);
|
|
}
|
|
|
|
if (!boot_order) {
|
|
boot_order = machine_class->default_boot_order;
|
|
}
|
|
|
|
if (!kernel_cmdline) {
|
|
kernel_cmdline = "";
|
|
current_machine->kernel_cmdline = (char *)kernel_cmdline;
|
|
}
|
|
|
|
linux_boot = (kernel_filename != NULL);
|
|
|
|
if (!linux_boot && *kernel_cmdline != '\0') {
|
|
error_report("-append only allowed with -kernel option");
|
|
exit(1);
|
|
}
|
|
|
|
if (!linux_boot && initrd_filename != NULL) {
|
|
error_report("-initrd only allowed with -kernel option");
|
|
exit(1);
|
|
}
|
|
|
|
if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
|
|
/* fall back to the -kernel/-append */
|
|
semihosting_arg_fallback(kernel_filename, kernel_cmdline);
|
|
}
|
|
|
|
/* spice needs the timers to be initialized by this point */
|
|
qemu_spice_init();
|
|
|
|
cpu_ticks_init();
|
|
|
|
if (default_net) {
|
|
QemuOptsList *net = qemu_find_opts("net");
|
|
qemu_opts_set(net, NULL, "type", "nic", &error_abort);
|
|
#ifdef CONFIG_SLIRP
|
|
qemu_opts_set(net, NULL, "type", "user", &error_abort);
|
|
#endif
|
|
}
|
|
|
|
if (net_init_clients(&err) < 0) {
|
|
error_report_err(err);
|
|
exit(1);
|
|
}
|
|
|
|
qemu_opts_foreach(qemu_find_opts("object"),
|
|
user_creatable_add_opts_foreach,
|
|
object_create_delayed, &error_fatal);
|
|
|
|
tpm_init();
|
|
|
|
blk_mig_init();
|
|
ram_mig_init();
|
|
dirty_bitmap_mig_init();
|
|
|
|
qemu_opts_foreach(qemu_find_opts("mon"),
|
|
mon_init_func, NULL, &error_fatal);
|
|
|
|
/* connect semihosting console input if requested */
|
|
qemu_semihosting_console_init();
|
|
|
|
if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
|
|
exit(1);
|
|
if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
|
|
exit(1);
|
|
if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
|
|
exit(1);
|
|
|
|
/* If no default VGA is requested, the default is "none". */
|
|
if (default_vga) {
|
|
vga_model = get_default_vga_model(machine_class);
|
|
}
|
|
if (vga_model) {
|
|
select_vgahw(machine_class, vga_model);
|
|
}
|
|
|
|
if (watchdog) {
|
|
i = select_watchdog(watchdog);
|
|
if (i > 0)
|
|
exit (i == 1 ? 1 : 0);
|
|
}
|
|
|
|
/* This checkpoint is required by replay to separate prior clock
|
|
reading from the other reads, because timer polling functions query
|
|
clock values from the log. */
|
|
replay_checkpoint(CHECKPOINT_INIT);
|
|
qdev_machine_init();
|
|
|
|
current_machine->boot_order = boot_order;
|
|
|
|
/* parse features once if machine provides default cpu_type */
|
|
current_machine->cpu_type = machine_class->default_cpu_type;
|
|
if (cpu_option) {
|
|
current_machine->cpu_type = parse_cpu_option(cpu_option);
|
|
}
|
|
|
|
if (current_machine->ram_memdev_id) {
|
|
Object *backend;
|
|
ram_addr_t backend_size;
|
|
|
|
backend = object_resolve_path_type(current_machine->ram_memdev_id,
|
|
TYPE_MEMORY_BACKEND, NULL);
|
|
backend_size = object_property_get_uint(backend, "size", &error_abort);
|
|
if (have_custom_ram_size && backend_size != ram_size) {
|
|
error_report("Size specified by -m option must match size of "
|
|
"explicitly specified 'memory-backend' property");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
ram_size = backend_size;
|
|
}
|
|
|
|
if (!xen_enabled()) {
|
|
/* On 32-bit hosts, QEMU is limited by virtual address space */
|
|
if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
|
|
error_report("at most 2047 MB RAM can be simulated");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
current_machine->ram_size = ram_size;
|
|
current_machine->maxram_size = maxram_size;
|
|
current_machine->ram_slots = ram_slots;
|
|
|
|
parse_numa_opts(current_machine);
|
|
|
|
if (machine_class->default_ram_id && current_machine->ram_size &&
|
|
numa_uses_legacy_mem() && !current_machine->ram_memdev_id) {
|
|
create_default_memdev(current_machine, mem_path);
|
|
}
|
|
/* do monitor/qmp handling at preconfig state if requested */
|
|
qemu_main_loop();
|
|
|
|
audio_init_audiodevs();
|
|
|
|
/* from here on runstate is RUN_STATE_PRELAUNCH */
|
|
machine_run_board_init(current_machine);
|
|
|
|
realtime_init();
|
|
|
|
soundhw_init();
|
|
|
|
if (hax_enabled()) {
|
|
hax_sync_vcpus();
|
|
}
|
|
|
|
qemu_opts_foreach(qemu_find_opts("fw_cfg"),
|
|
parse_fw_cfg, fw_cfg_find(), &error_fatal);
|
|
|
|
/* init USB devices */
|
|
if (machine_usb(current_machine)) {
|
|
if (foreach_device_config(DEV_USB, usb_parse) < 0)
|
|
exit(1);
|
|
}
|
|
|
|
/* init generic devices */
|
|
rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
|
|
qemu_opts_foreach(qemu_find_opts("device"),
|
|
device_init_func, NULL, &error_fatal);
|
|
|
|
cpu_synchronize_all_post_init();
|
|
|
|
rom_reset_order_override();
|
|
|
|
/* Did we create any drives that we failed to create a device for? */
|
|
drive_check_orphaned();
|
|
|
|
/* Don't warn about the default network setup that you get if
|
|
* no command line -net or -netdev options are specified. There
|
|
* are two cases that we would otherwise complain about:
|
|
* (1) board doesn't support a NIC but the implicit "-net nic"
|
|
* requested one
|
|
* (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
|
|
* sets up a nic that isn't connected to anything.
|
|
*/
|
|
if (!default_net && (!qtest_enabled() || has_defaults)) {
|
|
net_check_clients();
|
|
}
|
|
|
|
if (boot_once) {
|
|
qemu_boot_set(boot_once, &error_fatal);
|
|
qemu_register_reset(restore_boot_order, g_strdup(boot_order));
|
|
}
|
|
|
|
/* init local displays */
|
|
ds = init_displaystate();
|
|
qemu_display_init(ds, &dpy);
|
|
|
|
/* must be after terminal init, SDL library changes signal handlers */
|
|
os_setup_signal_handling();
|
|
|
|
/* init remote displays */
|
|
#ifdef CONFIG_VNC
|
|
qemu_opts_foreach(qemu_find_opts("vnc"),
|
|
vnc_init_func, NULL, &error_fatal);
|
|
#endif
|
|
|
|
if (using_spice) {
|
|
qemu_spice_display_init();
|
|
}
|
|
|
|
if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
|
|
exit(1);
|
|
}
|
|
|
|
qdev_machine_creation_done();
|
|
|
|
/* TODO: once all bus devices are qdevified, this should be done
|
|
* when bus is created by qdev.c */
|
|
/*
|
|
* TODO: If we had a main 'reset container' that the whole system
|
|
* lived in, we could reset that using the multi-phase reset
|
|
* APIs. For the moment, we just reset the sysbus, which will cause
|
|
* all devices hanging off it (and all their child buses, recursively)
|
|
* to be reset. Note that this will *not* reset any Device objects
|
|
* which are not attached to some part of the qbus tree!
|
|
*/
|
|
qemu_register_reset(resettable_cold_reset_fn, sysbus_get_default());
|
|
qemu_run_machine_init_done_notifiers();
|
|
|
|
if (rom_check_and_register_reset() != 0) {
|
|
error_report("rom check and register reset failed");
|
|
exit(1);
|
|
}
|
|
|
|
replay_start();
|
|
|
|
/* This checkpoint is required by replay to separate prior clock
|
|
reading from the other reads, because timer polling functions query
|
|
clock values from the log. */
|
|
replay_checkpoint(CHECKPOINT_RESET);
|
|
qemu_system_reset(SHUTDOWN_CAUSE_NONE);
|
|
register_global_state();
|
|
if (loadvm) {
|
|
Error *local_err = NULL;
|
|
if (load_snapshot(loadvm, &local_err) < 0) {
|
|
error_report_err(local_err);
|
|
autostart = 0;
|
|
exit(1);
|
|
}
|
|
}
|
|
if (replay_mode != REPLAY_MODE_NONE) {
|
|
replay_vmstate_init();
|
|
}
|
|
|
|
qdev_prop_check_globals();
|
|
if (vmstate_dump_file) {
|
|
/* dump and exit */
|
|
dump_vmstate_json_to_file(vmstate_dump_file);
|
|
exit(0);
|
|
}
|
|
|
|
if (incoming) {
|
|
Error *local_err = NULL;
|
|
qemu_start_incoming_migration(incoming, &local_err);
|
|
if (local_err) {
|
|
error_reportf_err(local_err, "-incoming %s: ", incoming);
|
|
exit(1);
|
|
}
|
|
} else if (autostart) {
|
|
vm_start();
|
|
}
|
|
|
|
accel_setup_post(current_machine);
|
|
os_setup_post();
|
|
|
|
return;
|
|
}
|
|
|
|
void qemu_cleanup(void)
|
|
{
|
|
gdbserver_cleanup();
|
|
|
|
/*
|
|
* cleaning up the migration object cancels any existing migration
|
|
* try to do this early so that it also stops using devices.
|
|
*/
|
|
migration_shutdown();
|
|
|
|
/*
|
|
* We must cancel all block jobs while the block layer is drained,
|
|
* or cancelling will be affected by throttling and thus may block
|
|
* for an extended period of time.
|
|
* vm_shutdown() will bdrv_drain_all(), so we may as well include
|
|
* it in the drained section.
|
|
* We do not need to end this section, because we do not want any
|
|
* requests happening from here on anyway.
|
|
*/
|
|
bdrv_drain_all_begin();
|
|
|
|
/* No more vcpu or device emulation activity beyond this point */
|
|
vm_shutdown();
|
|
replay_finish();
|
|
|
|
job_cancel_sync_all();
|
|
bdrv_close_all();
|
|
|
|
res_free();
|
|
|
|
/* vhost-user must be cleaned up before chardevs. */
|
|
tpm_cleanup();
|
|
net_cleanup();
|
|
audio_cleanup();
|
|
monitor_cleanup();
|
|
qemu_chr_cleanup();
|
|
user_creatable_cleanup();
|
|
/* TODO: unref root container, check all devices are ok */
|
|
}
|