| /* |
| * QEMU System Emulator |
| * |
| * Copyright (c) 2003-2008 Fabrice Bellard |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| * THE SOFTWARE. |
| */ |
| #include <unistd.h> |
| #include <fcntl.h> |
| #include <signal.h> |
| #include <time.h> |
| #include <errno.h> |
| #include <sys/time.h> |
| |
| #include "config-host.h" |
| |
| #ifdef CONFIG_SECCOMP |
| #include "sysemu/seccomp.h" |
| #endif |
| |
| #if defined(CONFIG_VDE) |
| #include <libvdeplug.h> |
| #endif |
| |
| #ifdef CONFIG_SDL |
| #if defined(__APPLE__) || defined(main) |
| #include <SDL.h> |
| int qemu_main(int argc, char **argv, char **envp); |
| int main(int argc, char **argv) |
| { |
| return qemu_main(argc, argv, NULL); |
| } |
| #undef main |
| #define main qemu_main |
| #endif |
| #endif /* CONFIG_SDL */ |
| |
| #ifdef CONFIG_COCOA |
| #undef main |
| #define main qemu_main |
| #endif /* CONFIG_COCOA */ |
| |
| #include <glib.h> |
| |
| #include "qemu/sockets.h" |
| #include "hw/hw.h" |
| #include "hw/boards.h" |
| #include "hw/usb.h" |
| #include "hw/pcmcia.h" |
| #include "hw/i386/pc.h" |
| #include "hw/isa/isa.h" |
| #include "hw/bt.h" |
| #include "sysemu/watchdog.h" |
| #include "hw/i386/smbios.h" |
| #include "hw/xen/xen.h" |
| #include "hw/qdev.h" |
| #include "hw/loader.h" |
| #include "monitor/qdev.h" |
| #include "sysemu/bt.h" |
| #include "net/net.h" |
| #include "net/slirp.h" |
| #include "monitor/monitor.h" |
| #include "ui/console.h" |
| #include "sysemu/sysemu.h" |
| #include "exec/gdbstub.h" |
| #include "qemu/timer.h" |
| #include "sysemu/char.h" |
| #include "qemu/bitmap.h" |
| #include "qemu/cache-utils.h" |
| #include "sysemu/blockdev.h" |
| #include "hw/block/block.h" |
| #include "migration/block.h" |
| #include "sysemu/tpm.h" |
| #include "sysemu/dma.h" |
| #include "audio/audio.h" |
| #include "migration/migration.h" |
| #include "sysemu/kvm.h" |
| #include "qapi/qmp/qjson.h" |
| #include "qemu/option.h" |
| #include "qemu/config-file.h" |
| #include "qemu-options.h" |
| #include "qmp-commands.h" |
| #include "qemu/main-loop.h" |
| #ifdef CONFIG_VIRTFS |
| #include "fsdev/qemu-fsdev.h" |
| #endif |
| #include "sysemu/qtest.h" |
| |
| #include "disas/disas.h" |
| |
| |
| #include "slirp/libslirp.h" |
| |
| #include "trace.h" |
| #include "trace/control.h" |
| #include "qemu/queue.h" |
| #include "sysemu/cpus.h" |
| #include "sysemu/arch_init.h" |
| #include "qemu/osdep.h" |
| |
| #include "ui/qemu-spice.h" |
| #include "qapi/string-input-visitor.h" |
| #include "qom/object_interfaces.h" |
| |
| #define DEFAULT_RAM_SIZE 128 |
| |
| #define MAX_VIRTIO_CONSOLES 1 |
| #define MAX_SCLP_CONSOLES 1 |
| |
| static const char *data_dir[16]; |
| static int data_dir_idx; |
| const char *bios_name = NULL; |
| enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB; |
| DisplayType display_type = DT_DEFAULT; |
| static int display_remote; |
| const char* keyboard_layout = NULL; |
| ram_addr_t ram_size; |
| const char *mem_path = NULL; |
| int mem_prealloc = 0; /* force preallocation of physical target memory */ |
| int nb_nics; |
| NICInfo nd_table[MAX_NICS]; |
| int autostart; |
| static int rtc_utc = 1; |
| static int rtc_date_offset = -1; /* -1 means no change */ |
| QEMUClockType rtc_clock; |
| int vga_interface_type = VGA_NONE; |
| static int full_screen = 0; |
| static int no_frame = 0; |
| int no_quit = 0; |
| #ifdef CONFIG_GTK |
| static bool grab_on_hover; |
| #endif |
| CharDriverState *serial_hds[MAX_SERIAL_PORTS]; |
| CharDriverState *parallel_hds[MAX_PARALLEL_PORTS]; |
| CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES]; |
| CharDriverState *sclp_hds[MAX_SCLP_CONSOLES]; |
| int win2k_install_hack = 0; |
| int singlestep = 0; |
| int smp_cpus = 1; |
| int max_cpus = 0; |
| int smp_cores = 1; |
| int smp_threads = 1; |
| #ifdef CONFIG_VNC |
| const char *vnc_display; |
| #endif |
| int acpi_enabled = 1; |
| int no_hpet = 0; |
| int fd_bootchk = 1; |
| static int no_reboot; |
| int no_shutdown = 0; |
| int cursor_hide = 1; |
| int graphic_rotate = 0; |
| const char *watchdog; |
| QEMUOptionRom option_rom[MAX_OPTION_ROMS]; |
| int nb_option_roms; |
| int semihosting_enabled = 0; |
| int old_param = 0; |
| const char *qemu_name; |
| int alt_grab = 0; |
| int ctrl_grab = 0; |
| unsigned int nb_prom_envs = 0; |
| const char *prom_envs[MAX_PROM_ENVS]; |
| int boot_menu; |
| static bool boot_strict; |
| uint8_t *boot_splash_filedata; |
| size_t boot_splash_filedata_size; |
| uint8_t qemu_extra_params_fw[2]; |
| |
| typedef struct FWBootEntry FWBootEntry; |
| |
| struct FWBootEntry { |
| QTAILQ_ENTRY(FWBootEntry) link; |
| int32_t bootindex; |
| DeviceState *dev; |
| char *suffix; |
| }; |
| |
| static QTAILQ_HEAD(, FWBootEntry) fw_boot_order = |
| QTAILQ_HEAD_INITIALIZER(fw_boot_order); |
| |
| int nb_numa_nodes; |
| uint64_t node_mem[MAX_NODES]; |
| unsigned long *node_cpumask[MAX_NODES]; |
| |
| uint8_t qemu_uuid[16]; |
| bool qemu_uuid_set; |
| |
| static QEMUBootSetHandler *boot_set_handler; |
| static void *boot_set_opaque; |
| |
| static NotifierList exit_notifiers = |
| NOTIFIER_LIST_INITIALIZER(exit_notifiers); |
| |
| static NotifierList machine_init_done_notifiers = |
| NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers); |
| |
| static bool tcg_allowed = true; |
| bool xen_allowed; |
| uint32_t xen_domid; |
| enum xen_mode xen_mode = XEN_EMULATE; |
| static int tcg_tb_size; |
| |
| static int has_defaults = 1; |
| static int default_serial = 1; |
| static int default_parallel = 1; |
| static int default_virtcon = 1; |
| static int default_sclp = 1; |
| static int default_monitor = 1; |
| static int default_floppy = 1; |
| static int default_cdrom = 1; |
| static int default_sdcard = 1; |
| static int default_vga = 1; |
| |
| static struct { |
| const char *driver; |
| int *flag; |
| } default_list[] = { |
| { .driver = "isa-serial", .flag = &default_serial }, |
| { .driver = "isa-parallel", .flag = &default_parallel }, |
| { .driver = "isa-fdc", .flag = &default_floppy }, |
| { .driver = "ide-cd", .flag = &default_cdrom }, |
| { .driver = "ide-hd", .flag = &default_cdrom }, |
| { .driver = "ide-drive", .flag = &default_cdrom }, |
| { .driver = "scsi-cd", .flag = &default_cdrom }, |
| { .driver = "virtio-serial-pci", .flag = &default_virtcon }, |
| { .driver = "virtio-serial-s390", .flag = &default_virtcon }, |
| { .driver = "virtio-serial", .flag = &default_virtcon }, |
| { .driver = "VGA", .flag = &default_vga }, |
| { .driver = "isa-vga", .flag = &default_vga }, |
| { .driver = "cirrus-vga", .flag = &default_vga }, |
| { .driver = "isa-cirrus-vga", .flag = &default_vga }, |
| { .driver = "vmware-svga", .flag = &default_vga }, |
| { .driver = "qxl-vga", .flag = &default_vga }, |
| }; |
| |
| static QemuOptsList qemu_rtc_opts = { |
| .name = "rtc", |
| .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head), |
| .desc = { |
| { |
| .name = "base", |
| .type = QEMU_OPT_STRING, |
| },{ |
| .name = "clock", |
| .type = QEMU_OPT_STRING, |
| },{ |
| .name = "driftfix", |
| .type = QEMU_OPT_STRING, |
| }, |
| { /* end of list */ } |
| }, |
| }; |
| |
| static QemuOptsList qemu_sandbox_opts = { |
| .name = "sandbox", |
| .implied_opt_name = "enable", |
| .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head), |
| .desc = { |
| { |
| .name = "enable", |
| .type = QEMU_OPT_BOOL, |
| }, |
| { /* end of list */ } |
| }, |
| }; |
| |
| static QemuOptsList qemu_trace_opts = { |
| .name = "trace", |
| .implied_opt_name = "trace", |
| .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head), |
| .desc = { |
| { |
| .name = "events", |
| .type = QEMU_OPT_STRING, |
| },{ |
| .name = "file", |
| .type = QEMU_OPT_STRING, |
| }, |
| { /* end of list */ } |
| }, |
| }; |
| |
| static QemuOptsList qemu_option_rom_opts = { |
| .name = "option-rom", |
| .implied_opt_name = "romfile", |
| .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head), |
| .desc = { |
| { |
| .name = "bootindex", |
| .type = QEMU_OPT_NUMBER, |
| }, { |
| .name = "romfile", |
| .type = QEMU_OPT_STRING, |
| }, |
| { /* end of list */ } |
| }, |
| }; |
| |
| static QemuOptsList qemu_machine_opts = { |
| .name = "machine", |
| .implied_opt_name = "type", |
| .merge_lists = true, |
| .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head), |
| .desc = { |
| { |
| .name = "type", |
| .type = QEMU_OPT_STRING, |
| .help = "emulated machine" |
| }, { |
| .name = "accel", |
| .type = QEMU_OPT_STRING, |
| .help = "accelerator list", |
| }, { |
| .name = "kernel_irqchip", |
| .type = QEMU_OPT_BOOL, |
| .help = "use KVM in-kernel irqchip", |
| }, { |
| .name = "kvm_shadow_mem", |
| .type = QEMU_OPT_SIZE, |
| .help = "KVM shadow MMU size", |
| }, { |
| .name = "kernel", |
| .type = QEMU_OPT_STRING, |
| .help = "Linux kernel image file", |
| }, { |
| .name = "initrd", |
| .type = QEMU_OPT_STRING, |
| .help = "Linux initial ramdisk file", |
| }, { |
| .name = "append", |
| .type = QEMU_OPT_STRING, |
| .help = "Linux kernel command line", |
| }, { |
| .name = "dtb", |
| .type = QEMU_OPT_STRING, |
| .help = "Linux kernel device tree file", |
| }, { |
| .name = "dumpdtb", |
| .type = QEMU_OPT_STRING, |
| .help = "Dump current dtb to a file and quit", |
| }, { |
| .name = "phandle_start", |
| .type = QEMU_OPT_NUMBER, |
| .help = "The first phandle ID we may generate dynamically", |
| }, { |
| .name = "dt_compatible", |
| .type = QEMU_OPT_STRING, |
| .help = "Overrides the \"compatible\" property of the dt root node", |
| }, { |
| .name = "dump-guest-core", |
| .type = QEMU_OPT_BOOL, |
| .help = "Include guest memory in a core dump", |
| }, { |
| .name = "mem-merge", |
| .type = QEMU_OPT_BOOL, |
| .help = "enable/disable memory merge support", |
| },{ |
| .name = "usb", |
| .type = QEMU_OPT_BOOL, |
| .help = "Set on/off to enable/disable usb", |
| },{ |
| .name = "firmware", |
| .type = QEMU_OPT_STRING, |
| .help = "firmware image", |
| },{ |
| .name = "kvm-type", |
| .type = QEMU_OPT_STRING, |
| .help = "Specifies the KVM virtualization mode (HV, PR)", |
| }, |
| { /* End of list */ } |
| }, |
| }; |
| |
| static QemuOptsList qemu_boot_opts = { |
| .name = "boot-opts", |
| .implied_opt_name = "order", |
| .merge_lists = true, |
| .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head), |
| .desc = { |
| { |
| .name = "order", |
| .type = QEMU_OPT_STRING, |
| }, { |
| .name = "once", |
| .type = QEMU_OPT_STRING, |
| }, { |
| .name = "menu", |
| .type = QEMU_OPT_BOOL, |
| }, { |
| .name = "splash", |
| .type = QEMU_OPT_STRING, |
| }, { |
| .name = "splash-time", |
| .type = QEMU_OPT_STRING, |
| }, { |
| .name = "reboot-timeout", |
| .type = QEMU_OPT_STRING, |
| }, { |
| .name = "strict", |
| .type = QEMU_OPT_BOOL, |
| }, |
| { /*End of list */ } |
| }, |
| }; |
| |
| static QemuOptsList qemu_add_fd_opts = { |
| .name = "add-fd", |
| .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head), |
| .desc = { |
| { |
| .name = "fd", |
| .type = QEMU_OPT_NUMBER, |
| .help = "file descriptor of which a duplicate is added to fd set", |
| },{ |
| .name = "set", |
| .type = QEMU_OPT_NUMBER, |
| .help = "ID of the fd set to add fd to", |
| },{ |
| .name = "opaque", |
| .type = QEMU_OPT_STRING, |
| .help = "free-form string used to describe fd", |
| }, |
| { /* end of list */ } |
| }, |
| }; |
| |
| static QemuOptsList qemu_object_opts = { |
| .name = "object", |
| .implied_opt_name = "qom-type", |
| .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head), |
| .desc = { |
| { } |
| }, |
| }; |
| |
| static QemuOptsList qemu_tpmdev_opts = { |
| .name = "tpmdev", |
| .implied_opt_name = "type", |
| .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head), |
| .desc = { |
| /* options are defined in the TPM backends */ |
| { /* end of list */ } |
| }, |
| }; |
| |
| static QemuOptsList qemu_realtime_opts = { |
| .name = "realtime", |
| .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head), |
| .desc = { |
| { |
| .name = "mlock", |
| .type = QEMU_OPT_BOOL, |
| }, |
| { /* end of list */ } |
| }, |
| }; |
| |
| static QemuOptsList qemu_msg_opts = { |
| .name = "msg", |
| .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head), |
| .desc = { |
| { |
| .name = "timestamp", |
| .type = QEMU_OPT_BOOL, |
| }, |
| { /* end of list */ } |
| }, |
| }; |
| |
| static QemuOptsList qemu_name_opts = { |
| .name = "name", |
| .implied_opt_name = "guest", |
| .merge_lists = true, |
| .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head), |
| .desc = { |
| { |
| .name = "guest", |
| .type = QEMU_OPT_STRING, |
| .help = "Sets the name of the guest.\n" |
| "This name will be displayed in the SDL window caption.\n" |
| "The name will also be used for the VNC server", |
| }, { |
| .name = "process", |
| .type = QEMU_OPT_STRING, |
| .help = "Sets the name of the QEMU process, as shown in top etc", |
| }, { |
| .name = "debug-threads", |
| .type = QEMU_OPT_BOOL, |
| .help = "When enabled, name the individual threads; defaults off.\n" |
| "NOTE: The thread names are for debugging and not a\n" |
| "stable API.", |
| }, |
| { /* End of list */ } |
| }, |
| }; |
| |
| static QemuOptsList qemu_mem_opts = { |
| .name = "memory", |
| .implied_opt_name = "size", |
| .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head), |
| .merge_lists = true, |
| .desc = { |
| { |
| .name = "size", |
| .type = QEMU_OPT_SIZE, |
| }, |
| { /* 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) |
| { |
| if (boot_splash_filedata != NULL) { |
| g_free(boot_splash_filedata); |
| boot_splash_filedata = NULL; |
| } |
| } |
| |
| static int default_driver_check(QemuOpts *opts, void *opaque) |
| { |
| 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_PRELAUNCH; |
| |
| typedef struct { |
| RunState from; |
| RunState to; |
| } RunStateTransition; |
| |
| static const RunStateTransition runstate_transitions_def[] = { |
| /* from -> to */ |
| { RUN_STATE_DEBUG, RUN_STATE_RUNNING }, |
| { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE }, |
| |
| { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING }, |
| { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED }, |
| |
| { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED }, |
| { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE }, |
| |
| { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING }, |
| { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE }, |
| |
| { RUN_STATE_PAUSED, RUN_STATE_RUNNING }, |
| { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE }, |
| |
| { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING }, |
| { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE }, |
| |
| { 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_POSTMIGRATE }, |
| |
| { RUN_STATE_RESTORE_VM, 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_SAVE_VM, RUN_STATE_RUNNING }, |
| |
| { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED }, |
| { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE }, |
| |
| { 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_WATCHDOG, RUN_STATE_RUNNING }, |
| { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE }, |
| |
| { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING }, |
| { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE }, |
| |
| { 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; |
| } |
| |
| 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; |
| } |
| } |
| |
| /* This function will abort() on invalid state transitions */ |
| void runstate_set(RunState new_state) |
| { |
| assert(new_state < RUN_STATE_MAX); |
| |
| if (!runstate_valid_transitions[current_run_state][new_state]) { |
| fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n", |
| RunState_lookup[current_run_state], |
| RunState_lookup[new_state]); |
| abort(); |
| } |
| trace_runstate_set(new_state); |
| 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; |
| } |
| |
| /***********************************************************/ |
| /* real time host monotonic timer */ |
| |
| /***********************************************************/ |
| /* host time/date access */ |
| void qemu_get_timedate(struct tm *tm, int offset) |
| { |
| time_t ti; |
| |
| time(&ti); |
| ti += offset; |
| if (rtc_date_offset == -1) { |
| if (rtc_utc) |
| gmtime_r(&ti, tm); |
| else |
| localtime_r(&ti, tm); |
| } else { |
| ti -= rtc_date_offset; |
| gmtime_r(&ti, tm); |
| } |
| } |
| |
| int qemu_timedate_diff(struct tm *tm) |
| { |
| time_t seconds; |
| |
| if (rtc_date_offset == -1) |
| if (rtc_utc) |
| seconds = mktimegm(tm); |
| else { |
| struct tm tmp = *tm; |
| tmp.tm_isdst = -1; /* use timezone to figure it out */ |
| seconds = mktime(&tmp); |
| } |
| else |
| seconds = mktimegm(tm) + rtc_date_offset; |
| |
| return seconds - time(NULL); |
| } |
| |
| void rtc_change_mon_event(struct tm *tm) |
| { |
| QObject *data; |
| |
| data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm)); |
| monitor_protocol_event(QEVENT_RTC_CHANGE, data); |
| qobject_decref(data); |
| } |
| |
| static void configure_rtc_date_offset(const char *startdate, int legacy) |
| { |
| time_t rtc_start_date; |
| struct tm tm; |
| |
| if (!strcmp(startdate, "now") && legacy) { |
| rtc_date_offset = -1; |
| } else { |
| 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_date = mktimegm(&tm); |
| if (rtc_start_date == -1) { |
| date_fail: |
| fprintf(stderr, "Invalid date format. Valid formats are:\n" |
| "'2006-06-17T16:01:21' or '2006-06-17'\n"); |
| exit(1); |
| } |
| rtc_date_offset = time(NULL) - rtc_start_date; |
| } |
| } |
| |
| static void configure_rtc(QemuOpts *opts) |
| { |
| const char *value; |
| |
| value = qemu_opt_get(opts, "base"); |
| if (value) { |
| if (!strcmp(value, "utc")) { |
| rtc_utc = 1; |
| } else if (!strcmp(value, "localtime")) { |
| rtc_utc = 0; |
| } else { |
| configure_rtc_date_offset(value, 0); |
| } |
| } |
| 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 { |
| fprintf(stderr, "qemu: invalid option value '%s'\n", value); |
| exit(1); |
| } |
| } |
| value = qemu_opt_get(opts, "driftfix"); |
| if (value) { |
| if (!strcmp(value, "slew")) { |
| static GlobalProperty slew_lost_ticks[] = { |
| { |
| .driver = "mc146818rtc", |
| .property = "lost_tick_policy", |
| .value = "slew", |
| }, |
| { /* end of list */ } |
| }; |
| |
| qdev_prop_register_global_list(slew_lost_ticks); |
| } else if (!strcmp(value, "none")) { |
| /* discard is default */ |
| } else { |
| fprintf(stderr, "qemu: invalid option value '%s'\n", value); |
| exit(1); |
| } |
| } |
| } |
| |
| /***********************************************************/ |
| /* Bluetooth support */ |
| static int nb_hcis; |
| static int cur_hci; |
| static struct HCIInfo *hci_table[MAX_NICS]; |
| |
| struct HCIInfo *qemu_next_hci(void) |
| { |
| if (cur_hci == nb_hcis) |
| return &null_hci; |
| |
| return hci_table[cur_hci++]; |
| } |
| |
| static int bt_hci_parse(const char *str) |
| { |
| struct HCIInfo *hci; |
| bdaddr_t bdaddr; |
| |
| if (nb_hcis >= MAX_NICS) { |
| fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS); |
| return -1; |
| } |
| |
| hci = hci_init(str); |
| if (!hci) |
| return -1; |
| |
| bdaddr.b[0] = 0x52; |
| bdaddr.b[1] = 0x54; |
| bdaddr.b[2] = 0x00; |
| bdaddr.b[3] = 0x12; |
| bdaddr.b[4] = 0x34; |
| bdaddr.b[5] = 0x56 + nb_hcis; |
| hci->bdaddr_set(hci, bdaddr.b); |
| |
| hci_table[nb_hcis++] = hci; |
| |
| return 0; |
| } |
| |
| static void bt_vhci_add(int vlan_id) |
| { |
| struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id); |
| |
| if (!vlan->slave) |
| fprintf(stderr, "qemu: warning: adding a VHCI to " |
| "an empty scatternet %i\n", vlan_id); |
| |
| bt_vhci_init(bt_new_hci(vlan)); |
| } |
| |
| static struct bt_device_s *bt_device_add(const char *opt) |
| { |
| struct bt_scatternet_s *vlan; |
| int vlan_id = 0; |
| char *endp = strstr(opt, ",vlan="); |
| int len = (endp ? endp - opt : strlen(opt)) + 1; |
| char devname[10]; |
| |
| pstrcpy(devname, MIN(sizeof(devname), len), opt); |
| |
| if (endp) { |
| vlan_id = strtol(endp + 6, &endp, 0); |
| if (*endp) { |
| fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n"); |
| return 0; |
| } |
| } |
| |
| vlan = qemu_find_bt_vlan(vlan_id); |
| |
| if (!vlan->slave) |
| fprintf(stderr, "qemu: warning: adding a slave device to " |
| "an empty scatternet %i\n", vlan_id); |
| |
| if (!strcmp(devname, "keyboard")) |
| return bt_keyboard_init(vlan); |
| |
| fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname); |
| return 0; |
| } |
| |
| static int bt_parse(const char *opt) |
| { |
| const char *endp, *p; |
| int vlan; |
| |
| if (strstart(opt, "hci", &endp)) { |
| if (!*endp || *endp == ',') { |
| if (*endp) |
| if (!strstart(endp, ",vlan=", 0)) |
| opt = endp + 1; |
| |
| return bt_hci_parse(opt); |
| } |
| } else if (strstart(opt, "vhci", &endp)) { |
| if (!*endp || *endp == ',') { |
| if (*endp) { |
| if (strstart(endp, ",vlan=", &p)) { |
| vlan = strtol(p, (char **) &endp, 0); |
| if (*endp) { |
| fprintf(stderr, "qemu: bad scatternet '%s'\n", p); |
| return 1; |
| } |
| } else { |
| fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1); |
| return 1; |
| } |
| } else |
| vlan = 0; |
| |
| bt_vhci_add(vlan); |
| return 0; |
| } |
| } else if (strstart(opt, "device:", &endp)) |
| return !bt_device_add(endp); |
| |
| fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt); |
| return 1; |
| } |
| |
| static int parse_sandbox(QemuOpts *opts, void *opaque) |
| { |
| /* FIXME: change this to true for 1.3 */ |
| if (qemu_opt_get_bool(opts, "enable", false)) { |
| #ifdef CONFIG_SECCOMP |
| if (seccomp_start() < 0) { |
| qerror_report(ERROR_CLASS_GENERIC_ERROR, |
| "failed to install seccomp syscall filter in the kernel"); |
| return -1; |
| } |
| #else |
| qerror_report(ERROR_CLASS_GENERIC_ERROR, |
| "sandboxing request but seccomp is not compiled into this build"); |
| return -1; |
| #endif |
| } |
| |
| return 0; |
| } |
| |
| static void parse_name(QemuOpts *opts) |
| { |
| 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); |
| } |
| } |
| |
| bool usb_enabled(bool default_usb) |
| { |
| return qemu_opt_get_bool(qemu_get_machine_opts(), "usb", |
| has_defaults && default_usb); |
| } |
| |
| #ifndef _WIN32 |
| static int parse_add_fd(QemuOpts *opts, void *opaque) |
| { |
| int fd, dupfd, flags; |
| int64_t fdset_id; |
| const char *fd_opaque = NULL; |
| |
| 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) { |
| qerror_report(ERROR_CLASS_GENERIC_ERROR, |
| "fd option is required and must be non-negative"); |
| return -1; |
| } |
| |
| if (fd <= STDERR_FILENO) { |
| qerror_report(ERROR_CLASS_GENERIC_ERROR, |
| "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)) { |
| qerror_report(ERROR_CLASS_GENERIC_ERROR, |
| "fd is not valid or already in use"); |
| return -1; |
| } |
| |
| if (fdset_id < 0) { |
| qerror_report(ERROR_CLASS_GENERIC_ERROR, |
| "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) { |
| qerror_report(ERROR_CLASS_GENERIC_ERROR, |
| "Error duplicating fd: %s", strerror(errno)); |
| return -1; |
| } |
| |
| /* add the duplicate fd, and optionally the opaque string, to the fd set */ |
| monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false, |
| fd_opaque, NULL); |
| |
| return 0; |
| } |
| |
| static int cleanup_add_fd(QemuOpts *opts, void *opaque) |
| { |
| 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(QemuOpts *opts, void *opaque) |
| { |
| BlockInterfaceType *block_default_type = opaque; |
| |
| return drive_init(opts, *block_default_type) == NULL; |
| } |
| |
| static int drive_enable_snapshot(QemuOpts *opts, void *opaque) |
| { |
| if (NULL == qemu_opt_get(opts, "snapshot")) { |
| qemu_opt_set(opts, "snapshot", "on"); |
| } |
| return 0; |
| } |
| |
| static void default_drive(int enable, int snapshot, BlockInterfaceType type, |
| int index, const char *optstr) |
| { |
| QemuOpts *opts; |
| |
| if (!enable || drive_get_by_index(type, index)) { |
| return; |
| } |
| |
| opts = drive_add(type, index, NULL, optstr); |
| if (snapshot) { |
| drive_enable_snapshot(opts, NULL); |
| } |
| if (!drive_init(opts, type)) { |
| exit(1); |
| } |
| } |
| |
| void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque) |
| { |
| boot_set_handler = func; |
| boot_set_opaque = opaque; |
| } |
| |
| int qemu_boot_set(const char *boot_order) |
| { |
| if (!boot_set_handler) { |
| return -EINVAL; |
| } |
| return boot_set_handler(boot_set_opaque, boot_order); |
| } |
| |
| static void validate_bootdevices(const char *devices) |
| { |
| /* We just do some generic consistency checks */ |
| const char *p; |
| int bitmap = 0; |
| |
| for (p = devices; *p != '\0'; p++) { |
| /* Allowed boot devices are: |
| * a-b: floppy disk drives |
| * c-f: IDE disk drives |
| * g-m: machine implementation dependent drives |
| * n-p: network devices |
| * It's up to each machine implementation to check if the given boot |
| * devices match the actual hardware implementation and firmware |
| * features. |
| */ |
| if (*p < 'a' || *p > 'p') { |
| fprintf(stderr, "Invalid boot device '%c'\n", *p); |
| exit(1); |
| } |
| if (bitmap & (1 << (*p - 'a'))) { |
| fprintf(stderr, "Boot device '%c' was given twice\n", *p); |
| exit(1); |
| } |
| bitmap |= 1 << (*p - 'a'); |
| } |
| } |
| |
| static void restore_boot_order(void *opaque) |
| { |
| char *normal_boot_order = opaque; |
| static int first = 1; |
| |
| /* Restore boot order and remove ourselves after the first boot */ |
| if (first) { |
| first = 0; |
| return; |
| } |
| |
| qemu_boot_set(normal_boot_order); |
| |
| qemu_unregister_reset(restore_boot_order, normal_boot_order); |
| g_free(normal_boot_order); |
| } |
| |
| void add_boot_device_path(int32_t bootindex, DeviceState *dev, |
| const char *suffix) |
| { |
| FWBootEntry *node, *i; |
| |
| if (bootindex < 0) { |
| return; |
| } |
| |
| assert(dev != NULL || suffix != NULL); |
| |
| node = g_malloc0(sizeof(FWBootEntry)); |
| node->bootindex = bootindex; |
| node->suffix = g_strdup(suffix); |
| node->dev = dev; |
| |
| QTAILQ_FOREACH(i, &fw_boot_order, link) { |
| if (i->bootindex == bootindex) { |
| fprintf(stderr, "Two devices with same boot index %d\n", bootindex); |
| exit(1); |
| } else if (i->bootindex < bootindex) { |
| continue; |
| } |
| QTAILQ_INSERT_BEFORE(i, node, link); |
| return; |
| } |
| QTAILQ_INSERT_TAIL(&fw_boot_order, node, link); |
| } |
| |
| DeviceState *get_boot_device(uint32_t position) |
| { |
| uint32_t counter = 0; |
| FWBootEntry *i = NULL; |
| DeviceState *res = NULL; |
| |
| if (!QTAILQ_EMPTY(&fw_boot_order)) { |
| QTAILQ_FOREACH(i, &fw_boot_order, link) { |
| if (counter == position) { |
| res = i->dev; |
| break; |
| } |
| counter++; |
| } |
| } |
| return res; |
| } |
| |
| /* |
| * This function returns null terminated string that consist of new line |
| * separated device paths. |
| * |
| * memory pointed by "size" is assigned total length of the array in bytes |
| * |
| */ |
| char *get_boot_devices_list(size_t *size, bool ignore_suffixes) |
| { |
| FWBootEntry *i; |
| size_t total = 0; |
| char *list = NULL; |
| |
| QTAILQ_FOREACH(i, &fw_boot_order, link) { |
| char *devpath = NULL, *bootpath; |
| size_t len; |
| |
| if (i->dev) { |
| devpath = qdev_get_fw_dev_path(i->dev); |
| assert(devpath); |
| } |
| |
| if (i->suffix && !ignore_suffixes && devpath) { |
| size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1; |
| |
| bootpath = g_malloc(bootpathlen); |
| snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix); |
| g_free(devpath); |
| } else if (devpath) { |
| bootpath = devpath; |
| } else if (!ignore_suffixes) { |
| assert(i->suffix); |
| bootpath = g_strdup(i->suffix); |
| } else { |
| bootpath = g_strdup(""); |
| } |
| |
| if (total) { |
| list[total-1] = '\n'; |
| } |
| len = strlen(bootpath) + 1; |
| list = g_realloc(list, total + len); |
| memcpy(&list[total], bootpath, len); |
| total += len; |
| g_free(bootpath); |
| } |
| |
| *size = total; |
| |
| if (boot_strict && *size > 0) { |
| list[total-1] = '\n'; |
| list = g_realloc(list, total + 5); |
| memcpy(&list[total], "HALT", 5); |
| *size = total + 5; |
| } |
| return list; |
| } |
| |
| static void numa_node_parse_cpus(int nodenr, const char *cpus) |
| { |
| char *endptr; |
| unsigned long long value, endvalue; |
| |
| /* Empty CPU range strings will be considered valid, they will simply |
| * not set any bit in the CPU bitmap. |
| */ |
| if (!*cpus) { |
| return; |
| } |
| |
| if (parse_uint(cpus, &value, &endptr, 10) < 0) { |
| goto error; |
| } |
| if (*endptr == '-') { |
| if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) { |
| goto error; |
| } |
| } else if (*endptr == '\0') { |
| endvalue = value; |
| } else { |
| goto error; |
| } |
| |
| if (endvalue >= MAX_CPUMASK_BITS) { |
| endvalue = MAX_CPUMASK_BITS - 1; |
| fprintf(stderr, |
| "qemu: NUMA: A max of %d VCPUs are supported\n", |
| MAX_CPUMASK_BITS); |
| } |
| |
| if (endvalue < value) { |
| goto error; |
| } |
| |
| bitmap_set(node_cpumask[nodenr], value, endvalue-value+1); |
| return; |
| |
| error: |
| fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus); |
| exit(1); |
| } |
| |
| static void numa_add(const char *optarg) |
| { |
| char option[128]; |
| char *endptr; |
| unsigned long long nodenr; |
| |
| optarg = get_opt_name(option, 128, optarg, ','); |
| if (*optarg == ',') { |
| optarg++; |
| } |
| if (!strcmp(option, "node")) { |
| |
| if (nb_numa_nodes >= MAX_NODES) { |
| fprintf(stderr, "qemu: too many NUMA nodes\n"); |
| exit(1); |
| } |
| |
| if (get_param_value(option, 128, "nodeid", optarg) == 0) { |
| nodenr = nb_numa_nodes; |
| } else { |
| if (parse_uint_full(option, &nodenr, 10) < 0) { |
| fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option); |
| exit(1); |
| } |
| } |
| |
| if (nodenr >= MAX_NODES) { |
| fprintf(stderr, "qemu: invalid NUMA nodeid: %llu\n", nodenr); |
| exit(1); |
| } |
| |
| if (get_param_value(option, 128, "mem", optarg) == 0) { |
| node_mem[nodenr] = 0; |
| } else { |
| int64_t sval; |
| sval = strtosz(option, &endptr); |
| if (sval < 0 || *endptr) { |
| fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg); |
| exit(1); |
| } |
| node_mem[nodenr] = sval; |
| } |
| if (get_param_value(option, 128, "cpus", optarg) != 0) { |
| numa_node_parse_cpus(nodenr, option); |
| } |
| nb_numa_nodes++; |
| } else { |
| fprintf(stderr, "Invalid -numa option: %s\n", option); |
| exit(1); |
| } |
| } |
| |
| 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 = "cores", |
| .type = QEMU_OPT_NUMBER, |
| }, { |
| .name = "threads", |
| .type = QEMU_OPT_NUMBER, |
| }, { |
| .name = "maxcpus", |
| .type = QEMU_OPT_NUMBER, |
| }, |
| { /*End of list */ } |
| }, |
| }; |
| |
| static void smp_parse(QemuOpts *opts) |
| { |
| if (opts) { |
| |
| unsigned cpus = qemu_opt_get_number(opts, "cpus", 0); |
| unsigned sockets = qemu_opt_get_number(opts, "sockets", 0); |
| unsigned cores = qemu_opt_get_number(opts, "cores", 0); |
| unsigned threads = qemu_opt_get_number(opts, "threads", 0); |
| |
| /* compute missing values, prefer sockets over cores over threads */ |
| if (cpus == 0 || sockets == 0) { |
| sockets = sockets > 0 ? sockets : 1; |
| cores = cores > 0 ? cores : 1; |
| threads = threads > 0 ? threads : 1; |
| if (cpus == 0) { |
| cpus = cores * threads * sockets; |
| } |
| } else { |
| if (cores == 0) { |
| threads = threads > 0 ? threads : 1; |
| cores = cpus / (sockets * threads); |
| } else { |
| threads = cpus / (cores * sockets); |
| } |
| } |
| |
| max_cpus = qemu_opt_get_number(opts, "maxcpus", 0); |
| |
| smp_cpus = cpus; |
| smp_cores = cores > 0 ? cores : 1; |
| smp_threads = threads > 0 ? threads : 1; |
| |
| } |
| |
| if (max_cpus == 0) { |
| max_cpus = smp_cpus; |
| } |
| |
| if (max_cpus > MAX_CPUMASK_BITS) { |
| fprintf(stderr, "Unsupported number of maxcpus\n"); |
| exit(1); |
| } |
| if (max_cpus < smp_cpus) { |
| fprintf(stderr, "maxcpus must be equal to or greater than smp\n"); |
| exit(1); |
| } |
| |
| } |
| |
| static void configure_realtime(QemuOpts *opts) |
| { |
| bool enable_mlock; |
| |
| enable_mlock = qemu_opt_get_bool(opts, "mlock", true); |
| |
| if (enable_mlock) { |
| if (os_mlock() < 0) { |
| fprintf(stderr, "qemu: locking memory failed\n"); |
| exit(1); |
| } |
| } |
| } |
| |
| |
| static void configure_msg(QemuOpts *opts) |
| { |
| enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true); |
| } |
| |
| /***********************************************************/ |
| /* USB devices */ |
| |
| static int usb_device_add(const char *devname) |
| { |
| USBDevice *dev = NULL; |
| #ifndef CONFIG_LINUX |
| const char *p; |
| #endif |
| |
| if (!usb_enabled(false)) { |
| return -1; |
| } |
| |
| /* drivers with .usbdevice_name entry in USBDeviceInfo */ |
| dev = usbdevice_create(devname); |
| if (dev) |
| goto done; |
| |
| /* the other ones */ |
| #ifndef CONFIG_LINUX |
| /* only the linux version is qdev-ified, usb-bsd still needs this */ |
| if (strstart(devname, "host:", &p)) { |
| dev = usb_host_device_open(usb_bus_find(-1), p); |
| } |
| #endif |
| if (!dev) |
| return -1; |
| |
| done: |
| return 0; |
| } |
| |
| static int usb_device_del(const char *devname) |
| { |
| int bus_num, addr; |
| const char *p; |
| |
| if (strstart(devname, "host:", &p)) { |
| return -1; |
| } |
| |
| if (!usb_enabled(false)) { |
| return -1; |
| } |
| |
| p = strchr(devname, '.'); |
| if (!p) |
| return -1; |
| bus_num = strtoul(devname, NULL, 0); |
| addr = strtoul(p + 1, NULL, 0); |
| |
| return usb_device_delete_addr(bus_num, addr); |
| } |
| |
| static int usb_parse(const char *cmdline) |
| { |
| int r; |
| r = usb_device_add(cmdline); |
| if (r < 0) { |
| fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline); |
| } |
| return r; |
| } |
| |
| void do_usb_add(Monitor *mon, const QDict *qdict) |
| { |
| const char *devname = qdict_get_str(qdict, "devname"); |
| if (usb_device_add(devname) < 0) { |
| error_report("could not add USB device '%s'", devname); |
| } |
| } |
| |
| void do_usb_del(Monitor *mon, const QDict *qdict) |
| { |
| const char *devname = qdict_get_str(qdict, "devname"); |
| if (usb_device_del(devname) < 0) { |
| error_report("could not delete USB device '%s'", devname); |
| } |
| } |
| |
| /***********************************************************/ |
| /* PCMCIA/Cardbus */ |
| |
| static struct pcmcia_socket_entry_s { |
| PCMCIASocket *socket; |
| struct pcmcia_socket_entry_s *next; |
| } *pcmcia_sockets = 0; |
| |
| void pcmcia_socket_register(PCMCIASocket *socket) |
| { |
| struct pcmcia_socket_entry_s *entry; |
| |
| entry = g_malloc(sizeof(struct pcmcia_socket_entry_s)); |
| entry->socket = socket; |
| entry->next = pcmcia_sockets; |
| pcmcia_sockets = entry; |
| } |
| |
| void pcmcia_socket_unregister(PCMCIASocket *socket) |
| { |
| struct pcmcia_socket_entry_s *entry, **ptr; |
| |
| ptr = &pcmcia_sockets; |
| for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr) |
| if (entry->socket == socket) { |
| *ptr = entry->next; |
| g_free(entry); |
| } |
| } |
| |
| void pcmcia_info(Monitor *mon, const QDict *qdict) |
| { |
| struct pcmcia_socket_entry_s *iter; |
| |
| if (!pcmcia_sockets) |
| monitor_printf(mon, "No PCMCIA sockets\n"); |
| |
| for (iter = pcmcia_sockets; iter; iter = iter->next) |
| monitor_printf(mon, "%s: %s\n", iter->socket->slot_string, |
| iter->socket->attached ? iter->socket->card_string : |
| "Empty"); |
| } |
| |
| /***********************************************************/ |
| /* machine registration */ |
| |
| MachineState *current_machine; |
| |
| static void machine_class_init(ObjectClass *oc, void *data) |
| { |
| MachineClass *mc = MACHINE_CLASS(oc); |
| QEMUMachine *qm = data; |
| |
| mc->name = qm->name; |
| mc->alias = qm->alias; |
| mc->desc = qm->desc; |
| mc->init = qm->init; |
| mc->reset = qm->reset; |
| mc->hot_add_cpu = qm->hot_add_cpu; |
| mc->kvm_type = qm->kvm_type; |
| mc->block_default_type = qm->block_default_type; |
| mc->max_cpus = qm->max_cpus; |
| mc->no_serial = qm->no_serial; |
| mc->no_parallel = qm->no_parallel; |
| mc->use_virtcon = qm->use_virtcon; |
| mc->use_sclp = qm->use_sclp; |
| mc->no_floppy = qm->no_floppy; |
| mc->no_cdrom = qm->no_cdrom; |
| mc->no_sdcard = qm->no_sdcard; |
| mc->is_default = qm->is_default; |
| mc->default_machine_opts = qm->default_machine_opts; |
| mc->default_boot_order = qm->default_boot_order; |
| mc->compat_props = qm->compat_props; |
| mc->hw_version = qm->hw_version; |
| } |
| |
| int qemu_register_machine(QEMUMachine *m) |
| { |
| char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL); |
| TypeInfo ti = { |
| .name = name, |
| .parent = TYPE_MACHINE, |
| .class_init = machine_class_init, |
| .class_data = (void *)m, |
| }; |
| |
| type_register(&ti); |
| g_free(name); |
| |
| return 0; |
| } |
| |
| static MachineClass *find_machine(const char *name) |
| { |
| GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false); |
| MachineClass *mc = NULL; |
| |
| for (el = machines; el; el = el->next) { |
| MachineClass *temp = el->data; |
| |
| if (!strcmp(temp->name, name)) { |
| mc = temp; |
| break; |
| } |
| if (temp->alias && |
| !strcmp(temp->alias, name)) { |
| mc = temp; |
| break; |
| } |
| } |
| |
| g_slist_free(machines); |
| return mc; |
| } |
| |
| MachineClass *find_default_machine(void) |
| { |
| GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false); |
| MachineClass *mc = NULL; |
| |
| for (el = machines; el; el = el->next) { |
| MachineClass *temp = el->data; |
| |
| if (temp->is_default) { |
| mc = temp; |
| break; |
| } |
| } |
| |
| g_slist_free(machines); |
| return mc; |
| } |
| |
| MachineInfoList *qmp_query_machines(Error **errp) |
| { |
| GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false); |
| MachineInfoList *mach_list = NULL; |
| |
| for (el = machines; el; el = el->next) { |
| MachineClass *mc = el->data; |
| MachineInfoList *entry; |
| MachineInfo *info; |
| |
| info = g_malloc0(sizeof(*info)); |
| if (mc->is_default) { |
| info->has_is_default = true; |
| info->is_default = true; |
| } |
| |
| if (mc->alias) { |
| info->has_alias = true; |
| info->alias = g_strdup(mc->alias); |
| } |
| |
| info->name = g_strdup(mc->name); |
| info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus; |
| |
| entry = g_malloc0(sizeof(*entry)); |
| entry->value = info; |
| entry->next = mach_list; |
| mach_list = entry; |
| } |
| |
| g_slist_free(machines); |
| return mach_list; |
| } |
| |
| /***********************************************************/ |
| /* main execution loop */ |
| |
| struct vm_change_state_entry { |
| VMChangeStateHandler *cb; |
| void *opaque; |
| QLIST_ENTRY (vm_change_state_entry) entries; |
| }; |
| |
| static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head; |
| |
| VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, |
| void *opaque) |
| { |
| VMChangeStateEntry *e; |
| |
| e = g_malloc0(sizeof (*e)); |
| |
| e->cb = cb; |
| e->opaque = opaque; |
| QLIST_INSERT_HEAD(&vm_change_state_head, e, entries); |
| return e; |
| } |
| |
| void qemu_del_vm_change_state_handler(VMChangeStateEntry *e) |
| { |
| QLIST_REMOVE (e, entries); |
| g_free (e); |
| } |
| |
| void vm_state_notify(int running, RunState state) |
| { |
| VMChangeStateEntry *e; |
| |
| trace_vm_state_notify(running, state); |
| |
| for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) { |
| e->cb(e->opaque, running, state); |
| } |
| } |
| |
| void vm_start(void) |
| { |
| if (!runstate_is_running()) { |
| cpu_enable_ticks(); |
| runstate_set(RUN_STATE_RUNNING); |
| vm_state_notify(1, RUN_STATE_RUNNING); |
| resume_all_vcpus(); |
| monitor_protocol_event(QEVENT_RESUME, NULL); |
| } |
| } |
| |
| /* reset/shutdown handler */ |
| |
| typedef struct QEMUResetEntry { |
| QTAILQ_ENTRY(QEMUResetEntry) entry; |
| QEMUResetHandler *func; |
| void *opaque; |
| } QEMUResetEntry; |
| |
| static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers = |
| QTAILQ_HEAD_INITIALIZER(reset_handlers); |
| static int reset_requested; |
| static int shutdown_requested, shutdown_signal = -1; |
| static pid_t shutdown_pid; |
| static int powerdown_requested; |
| static int debug_requested; |
| static int suspend_requested; |
| 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 uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE); |
| static RunState vmstop_requested = RUN_STATE_MAX; |
| |
| int qemu_shutdown_requested_get(void) |
| { |
| return shutdown_requested; |
| } |
| |
| int qemu_reset_requested_get(void) |
| { |
| return reset_requested; |
| } |
| |
| static int qemu_shutdown_requested(void) |
| { |
| int r = shutdown_requested; |
| shutdown_requested = 0; |
| return r; |
| } |
| |
| static void qemu_kill_report(void) |
| { |
| if (!qtest_driver() && shutdown_signal != -1) { |
| fprintf(stderr, "qemu: terminating on signal %d", 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. |
| */ |
| fputc('\n', stderr); |
| } else { |
| fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid); |
| } |
| shutdown_signal = -1; |
| } |
| } |
| |
| static int qemu_reset_requested(void) |
| { |
| int r = reset_requested; |
| reset_requested = 0; |
| return r; |
| } |
| |
| static int qemu_suspend_requested(void) |
| { |
| int r = suspend_requested; |
| suspend_requested = 0; |
| return r; |
| } |
| |
| 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; |
| } |
| |
| /* We use RUN_STATE_MAX but any invalid value will do */ |
| static bool qemu_vmstop_requested(RunState *r) |
| { |
| if (vmstop_requested < RUN_STATE_MAX) { |
| *r = vmstop_requested; |
| vmstop_requested = RUN_STATE_MAX; |
| return true; |
| } |
| |
| return false; |
| } |
| |
| void qemu_register_reset(QEMUResetHandler *func, void *opaque) |
| { |
| QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry)); |
| |
| re->func = func; |
| re->opaque = opaque; |
| QTAILQ_INSERT_TAIL(&reset_handlers, re, entry); |
| } |
| |
| void qemu_unregister_reset(QEMUResetHandler *func, void *opaque) |
| { |
| QEMUResetEntry *re; |
| |
| QTAILQ_FOREACH(re, &reset_handlers, entry) { |
| if (re->func == func && re->opaque == opaque) { |
| QTAILQ_REMOVE(&reset_handlers, re, entry); |
| g_free(re); |
| return; |
| } |
| } |
| } |
| |
| void qemu_devices_reset(void) |
| { |
| QEMUResetEntry *re, *nre; |
| |
| /* reset all devices */ |
| QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) { |
| re->func(re->opaque); |
| } |
| } |
| |
| void qemu_system_reset(bool report) |
| { |
| MachineClass *mc; |
| |
| mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL; |
| |
| if (mc && mc->reset) { |
| mc->reset(); |
| } else { |
| qemu_devices_reset(); |
| } |
| if (report) { |
| monitor_protocol_event(QEVENT_RESET, NULL); |
| } |
| cpu_synchronize_all_post_reset(); |
| } |
| |
| void qemu_system_reset_request(void) |
| { |
| if (no_reboot) { |
| shutdown_requested = 1; |
| } else { |
| reset_requested = 1; |
| } |
| 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); |
| monitor_protocol_event(QEVENT_SUSPEND, NULL); |
| } |
| |
| 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) |
| { |
| trace_system_wakeup_request(reason); |
| |
| if (!runstate_check(RUN_STATE_SUSPENDED)) { |
| 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_system_killed(int signal, pid_t pid) |
| { |
| shutdown_signal = signal; |
| shutdown_pid = pid; |
| no_shutdown = 0; |
| qemu_system_shutdown_request(); |
| } |
| |
| void qemu_system_shutdown_request(void) |
| { |
| shutdown_requested = 1; |
| qemu_notify_event(); |
| } |
| |
| static void qemu_system_powerdown(void) |
| { |
| monitor_protocol_event(QEVENT_POWERDOWN, NULL); |
| notifier_list_notify(&powerdown_notifiers, NULL); |
| } |
| |
| void qemu_system_powerdown_request(void) |
| { |
| powerdown_requested = 1; |
| qemu_notify_event(); |
| } |
| |
| void qemu_register_powerdown_notifier(Notifier *notifier) |
| { |
| notifier_list_add(&powerdown_notifiers, notifier); |
| } |
| |
| void qemu_system_debug_request(void) |
| { |
| debug_requested = 1; |
| qemu_notify_event(); |
| } |
| |
| void qemu_system_vmstop_request(RunState state) |
| { |
| vmstop_requested = state; |
| qemu_notify_event(); |
| } |
| |
| static bool main_loop_should_exit(void) |
| { |
| RunState r; |
| if (qemu_debug_requested()) { |
| vm_stop(RUN_STATE_DEBUG); |
| } |
| if (qemu_suspend_requested()) { |
| qemu_system_suspend(); |
| } |
| if (qemu_shutdown_requested()) { |
| qemu_kill_report(); |
| monitor_protocol_event(QEVENT_SHUTDOWN, NULL); |
| if (no_shutdown) { |
| vm_stop(RUN_STATE_SHUTDOWN); |
| } else { |
| return true; |
| } |
| } |
| if (qemu_reset_requested()) { |
| pause_all_vcpus(); |
| cpu_synchronize_all_states(); |
| qemu_system_reset(VMRESET_REPORT); |
| resume_all_vcpus(); |
| if (runstate_needs_reset()) { |
| runstate_set(RUN_STATE_PAUSED); |
| } |
| } |
| if (qemu_wakeup_requested()) { |
| pause_all_vcpus(); |
| cpu_synchronize_all_states(); |
| qemu_system_reset(VMRESET_SILENT); |
| notifier_list_notify(&wakeup_notifiers, &wakeup_reason); |
| wakeup_reason = QEMU_WAKEUP_REASON_NONE; |
| resume_all_vcpus(); |
| monitor_protocol_event(QEVENT_WAKEUP, NULL); |
| } |
| if (qemu_powerdown_requested()) { |
| qemu_system_powerdown(); |
| } |
| if (qemu_vmstop_requested(&r)) { |
| vm_stop(r); |
| } |
| return false; |
| } |
| |
| static void main_loop(void) |
| { |
| bool nonblocking; |
| int last_io = 0; |
| #ifdef CONFIG_PROFILER |
| int64_t ti; |
| #endif |
| do { |
| nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0; |
| #ifdef CONFIG_PROFILER |
| ti = profile_getclock(); |
| #endif |
| last_io = main_loop_wait(nonblocking); |
| #ifdef CONFIG_PROFILER |
| dev_time += profile_getclock() - ti; |
| #endif |
| } while (!main_loop_should_exit()); |
| } |
| |
| static void version(void) |
| { |
| printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\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"); |
| |
| 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 }, |
| }; |
| |
| static bool vga_available(void) |
| { |
| return object_class_by_name("VGA") || object_class_by_name("isa-vga"); |
| } |
| |
| static bool cirrus_vga_available(void) |
| { |
| return object_class_by_name("cirrus-vga") |
| || object_class_by_name("isa-cirrus-vga"); |
| } |
| |
| static bool vmware_vga_available(void) |
| { |
| return object_class_by_name("vmware-svga"); |
| } |
| |
| static bool qxl_vga_available(void) |
| { |
| return object_class_by_name("qxl-vga"); |
| } |
| |
| static bool tcx_vga_available(void) |
| { |
| return object_class_by_name("SUNW,tcx"); |
| } |
| |
| static bool cg3_vga_available(void) |
| { |
| return object_class_by_name("cgthree"); |
| } |
| |
| static void select_vgahw (const char *p) |
| { |
| const char *opts; |
| |
| assert(vga_interface_type == VGA_NONE); |
| if (strstart(p, "std", &opts)) { |
| if (vga_available()) { |
| vga_interface_type = VGA_STD; |
| } else { |
| fprintf(stderr, "Error: standard VGA not available\n"); |
| exit(0); |
| } |
| } else if (strstart(p, "cirrus", &opts)) { |
| if (cirrus_vga_available()) { |
| vga_interface_type = VGA_CIRRUS; |
| } else { |
| fprintf(stderr, "Error: Cirrus VGA not available\n"); |
| exit(0); |
| } |
| } else if (strstart(p, "vmware", &opts)) { |
| if (vmware_vga_available()) { |
| vga_interface_type = VGA_VMWARE; |
| } else { |
| fprintf(stderr, "Error: VMWare SVGA not available\n"); |
| exit(0); |
| } |
| } else if (strstart(p, "xenfb", &opts)) { |
| vga_interface_type = VGA_XENFB; |
| } else if (strstart(p, "qxl", &opts)) { |
| if (qxl_vga_available()) { |
| vga_interface_type = VGA_QXL; |
| } else { |
| fprintf(stderr, "Error: QXL VGA not available\n"); |
| exit(0); |
| } |
| } else if (strstart(p, "tcx", &opts)) { |
| if (tcx_vga_available()) { |
| vga_interface_type = VGA_TCX; |
| } else { |
| fprintf(stderr, "Error: TCX framebuffer not available\n"); |
| exit(0); |
| } |
| } else if (strstart(p, "cg3", &opts)) { |
| if (cg3_vga_available()) { |
| vga_interface_type = VGA_CG3; |
| } else { |
| fprintf(stderr, "Error: CG3 framebuffer not available\n"); |
| exit(0); |
| } |
| } else if (!strstart(p, "none", &opts)) { |
| invalid_vga: |
| fprintf(stderr, "Unknown vga type: %s\n", 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 DisplayType select_display(const char *p) |
| { |
| const char *opts; |
| DisplayType display = DT_DEFAULT; |
| |
| if (strstart(p, "sdl", &opts)) { |
| #ifdef CONFIG_SDL |
| display = DT_SDL; |
| while (*opts) { |
| const char *nextopt; |
| |
| if (strstart(opts, ",frame=", &nextopt)) { |
| opts = nextopt; |
| if (strstart(opts, "on", &nextopt)) { |
| no_frame = 0; |
| } else if (strstart(opts, "off", &nextopt)) { |
| no_frame = 1; |
| } else { |
| goto invalid_sdl_args; |
| } |
| } else 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; |
| if (strstart(opts, "on", &nextopt)) { |
| no_quit = 0; |
| } else if (strstart(opts, "off", &nextopt)) { |
| no_quit = 1; |
| } else { |
| goto invalid_sdl_args; |
| } |
| } else { |
| invalid_sdl_args: |
| fprintf(stderr, "Invalid SDL option string: %s\n", p); |
| exit(1); |
| } |
| opts = nextopt; |
| } |
| #else |
| fprintf(stderr, "SDL support is disabled\n"); |
| exit(1); |
| #endif |
| } else if (strstart(p, "vnc", &opts)) { |
| #ifdef CONFIG_VNC |
| display_remote++; |
| |
| if (*opts) { |
| const char *nextopt; |
| |
| if (strstart(opts, "=", &nextopt)) { |
| vnc_display = nextopt; |
| } |
| } |
| if (!vnc_display) { |
| fprintf(stderr, "VNC requires a display argument vnc=<display>\n"); |
| exit(1); |
| } |
| #else |
| fprintf(stderr, "VNC support is disabled\n"); |
| exit(1); |
| #endif |
| } else if (strstart(p, "curses", &opts)) { |
| #ifdef CONFIG_CURSES |
| display = DT_CURSES; |
| #else |
| fprintf(stderr, "Curses support is disabled\n"); |
| exit(1); |
| #endif |
| } else if (strstart(p, "gtk", &opts)) { |
| #ifdef CONFIG_GTK |
| display = DT_GTK; |
| while (*opts) { |
| const char *nextopt; |
| |
| if (strstart(opts, ",grab_on_hover=", &nextopt)) { |
| opts = nextopt; |
| if (strstart(opts, "on", &nextopt)) { |
| grab_on_hover = true; |
| } else if (strstart(opts, "off", &nextopt)) { |
| grab_on_hover = false; |
| } else { |
| goto invalid_gtk_args; |
| } |
| } else { |
| invalid_gtk_args: |
| fprintf(stderr, "Invalid GTK option string: %s\n", p); |
| exit(1); |
| } |
| opts = nextopt; |
| } |
| #else |
| fprintf(stderr, "GTK support is disabled\n"); |
| exit(1); |
| #endif |
| } else if (strstart(p, "none", &opts)) { |
| display = DT_NONE; |
| } else { |
| fprintf(stderr, "Unknown display type: %s\n", p); |
| exit(1); |
| } |
| |
| return display; |
| } |
| |
| static int balloon_parse(const char *arg) |
| { |
| QemuOpts *opts; |
| |
| if (strcmp(arg, "none") == 0) { |
| return 0; |
| } |
| |
| if (!strncmp(arg, "virtio", 6)) { |
| if (arg[6] == ',') { |
| /* have params -> parse them */ |
| opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0); |
| if (!opts) |
| return -1; |
| } else { |
| /* create empty opts */ |
| opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, |
| &error_abort); |
| } |
| qemu_opt_set(opts, "driver", "virtio-balloon"); |
| return 0; |
| } |
| |
| return -1; |
| } |
| |
| 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 int device_help_func(QemuOpts *opts, void *opaque) |
| { |
| return qdev_device_help(opts); |
| } |
| |
| static int device_init_func(QemuOpts *opts, void *opaque) |
| { |
| DeviceState *dev; |
| |
| dev = qdev_device_add(opts); |
| if (!dev) |
| return -1; |
| object_unref(OBJECT(dev)); |
| return 0; |
| } |
| |
| static int chardev_init_func(QemuOpts *opts, void *opaque) |
| { |
| Error *local_err = NULL; |
| |
| qemu_chr_new_from_opts(opts, NULL, &local_err); |
| if (local_err) { |
| error_report("%s", error_get_pretty(local_err)); |
| error_free(local_err); |
| return -1; |
| } |
| return 0; |
| } |
| |
| #ifdef CONFIG_VIRTFS |
| static int fsdev_init_func(QemuOpts *opts, void *opaque) |
| { |
| int ret; |
| ret = qemu_fsdev_add(opts); |
| |
| return ret; |
| } |
| #endif |
| |
| static int mon_init_func(QemuOpts *opts, void *opaque) |
| { |
| CharDriverState *chr; |
| const char *chardev; |
| const char *mode; |
| int flags; |
| |
| mode = qemu_opt_get(opts, "mode"); |
| if (mode == NULL) { |
| mode = "readline"; |
| } |
| if (strcmp(mode, "readline") == 0) { |
| flags = MONITOR_USE_READLINE; |
| } else if (strcmp(mode, "control") == 0) { |
| flags = MONITOR_USE_CONTROL; |
| } else if (strcmp(mode, "android-console") == 0) { |
| flags = MONITOR_ANDROID_CONSOLE | MONITOR_USE_READLINE; |
| } else { |
| fprintf(stderr, "unknown monitor mode \"%s\"\n", mode); |
| exit(1); |
| } |
| |
| if (qemu_opt_get_bool(opts, "pretty", 0)) |
| flags |= MONITOR_USE_PRETTY; |
| |
| if (qemu_opt_get_bool(opts, "default", 0)) |
| flags |= MONITOR_IS_DEFAULT; |
| |
| chardev = qemu_opt_get(opts, "chardev"); |
| chr = qemu_chr_find(chardev); |
| if (chr == NULL) { |
| fprintf(stderr, "chardev \"%s\" not found\n", chardev); |
| exit(1); |
| } |
| |
| qemu_chr_fe_claim_no_fail(chr); |
| monitor_init(chr, flags); |
| return 0; |
| } |
| |
| static void monitor_parse(const char *optarg, const char *mode) |
| { |
| static int monitor_device_index = 0; |
| QemuOpts *opts; |
| const char *p; |
| char label[32]; |
| int def = 0; |
| |
| if (strstart(optarg, "chardev:", &p)) { |
| snprintf(label, sizeof(label), "%s", p); |
| } else { |
| snprintf(label, sizeof(label), "compat_monitor%d", |
| monitor_device_index); |
| if (monitor_device_index == 0) { |
| def = 1; |
| } |
| opts = qemu_chr_parse_compat(label, optarg); |
| if (!opts) { |
| fprintf(stderr, "parse error: %s\n", optarg); |
| exit(1); |
| } |
| } |
| |
| opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL); |
| if (!opts) { |
| fprintf(stderr, "duplicate chardev: %s\n", label); |
| exit(1); |
| } |
| qemu_opt_set(opts, "mode", mode); |
| qemu_opt_set(opts, "chardev", label); |
| if (def) |
| qemu_opt_set(opts, "default", "on"); |
| monitor_device_index++; |
| } |
| |
| struct device_config { |
| enum { |
| DEV_USB, /* -usbdevice */ |
| DEV_BT, /* -bt */ |
| DEV_SERIAL, /* -serial */ |
| DEV_PARALLEL, /* -parallel */ |
| DEV_VIRTCON, /* -virtioconsole */ |
| 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 (0 != rc) |
| return rc; |
| } |
| return 0; |
| } |
| |
| static int serial_parse(const char *devname) |
| { |
| static int index = 0; |
| char label[32]; |
| |
| if (strcmp(devname, "none") == 0) |
| return 0; |
| if (index == MAX_SERIAL_PORTS) { |
| fprintf(stderr, "qemu: too many serial ports\n"); |
| exit(1); |
| } |
| snprintf(label, sizeof(label), "serial%d", index); |
| serial_hds[index] = qemu_chr_new(label, devname, NULL); |
| if (!serial_hds[index]) { |
| fprintf(stderr, "qemu: could not connect serial device" |
| " to character backend '%s'\n", devname); |
| return -1; |
| } |
| index++; |
| return 0; |
| } |
| |
| 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) { |
| fprintf(stderr, "qemu: too many parallel ports\n"); |
| exit(1); |
| } |
| snprintf(label, sizeof(label), "parallel%d", index); |
| parallel_hds[index] = qemu_chr_new(label, devname, NULL); |
| if (!parallel_hds[index]) { |
| fprintf(stderr, "qemu: could not connect parallel device" |
| " to character backend '%s'\n", devname); |
| return -1; |
| } |
| index++; |
| return 0; |
| } |
| |
| static int virtcon_parse(const char *devname) |
| { |
| QemuOptsList *device = qemu_find_opts("device"); |
| static int index = 0; |
| char label[32]; |
| QemuOpts *bus_opts, *dev_opts; |
| |
| if (strcmp(devname, "none") == 0) |
| return 0; |
| if (index == MAX_VIRTIO_CONSOLES) { |
| fprintf(stderr, "qemu: too many virtio consoles\n"); |
| exit(1); |
| } |
| |
| bus_opts = qemu_opts_create(device, NULL, 0, &error_abort); |
| if (arch_type == QEMU_ARCH_S390X) { |
| qemu_opt_set(bus_opts, "driver", "virtio-serial-s390"); |
| } else { |
| qemu_opt_set(bus_opts, "driver", "virtio-serial-pci"); |
| } |
| |
| dev_opts = qemu_opts_create(device, NULL, 0, &error_abort); |
| qemu_opt_set(dev_opts, "driver", "virtconsole"); |
| |
| snprintf(label, sizeof(label), "virtcon%d", index); |
| virtcon_hds[index] = qemu_chr_new(label, devname, NULL); |
| if (!virtcon_hds[index]) { |
| fprintf(stderr, "qemu: could not connect virtio console" |
| " to character backend '%s'\n", devname); |
| return -1; |
| } |
| qemu_opt_set(dev_opts, "chardev", label); |
| |
| index++; |
| return 0; |
| } |
| |
| static int sclp_parse(const char *devname) |
| { |
| QemuOptsList *device = qemu_find_opts("device"); |
| static int index = 0; |
| char label[32]; |
| QemuOpts *dev_opts; |
| |
| if (strcmp(devname, "none") == 0) { |
| return 0; |
| } |
| if (index == MAX_SCLP_CONSOLES) { |
| fprintf(stderr, "qemu: too many sclp consoles\n"); |
| exit(1); |
| } |
| |
| assert(arch_type == QEMU_ARCH_S390X); |
| |
| dev_opts = qemu_opts_create(device, NULL, 0, NULL); |
| qemu_opt_set(dev_opts, "driver", "sclpconsole"); |
| |
| snprintf(label, sizeof(label), "sclpcon%d", index); |
| sclp_hds[index] = qemu_chr_new(label, devname, NULL); |
| if (!sclp_hds[index]) { |
| fprintf(stderr, "qemu: could not connect sclp console" |
| " to character backend '%s'\n", devname); |
| return -1; |
| } |
| qemu_opt_set(dev_opts, "chardev", label); |
| |
| index++; |
| return 0; |
| } |
| |
| static int debugcon_parse(const char *devname) |
| { |
| QemuOpts *opts; |
| |
| if (!qemu_chr_new("debugcon", devname, NULL)) { |
| exit(1); |
| } |
| opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL); |
| if (!opts) { |
| fprintf(stderr, "qemu: already have a debugcon device\n"); |
| exit(1); |
| } |
| qemu_opt_set(opts, "driver", "isa-debugcon"); |
| qemu_opt_set(opts, "chardev", "debugcon"); |
| return 0; |
| } |
| |
| static MachineClass *machine_parse(const char *name) |
| { |
| MachineClass *mc = NULL; |
| GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false); |
| |
| if (name) { |
| mc = find_machine(name); |
| } |
| if (mc) { |
| return mc; |
| } |
| if (name && !is_help_option(name)) { |
| error_report("Unsupported machine type"); |
| error_printf("Use -machine help to list supported machines!\n"); |
| } else { |
| printf("Supported machines are:\n"); |
| 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\n", mc->name, mc->desc, |
| mc->is_default ? " (default)" : ""); |
| } |
| } |
| |
| g_slist_free(machines); |
| exit(!name || !is_help_option(name)); |
| } |
| |
| static int tcg_init(MachineClass *mc) |
| { |
| tcg_exec_init(tcg_tb_size * 1024 * 1024); |
| return 0; |
| } |
| |
| static struct { |
| const char *opt_name; |
| const char *name; |
| int (*available)(void); |
| int (*init)(MachineClass *mc); |
| bool *allowed; |
| } accel_list[] = { |
| { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed }, |
| { "xen", "Xen", xen_available, xen_init, &xen_allowed }, |
| { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed }, |
| { "qtest", "QTest", qtest_available, qtest_init_accel, &qtest_allowed }, |
| }; |
| |
| static int configure_accelerator(MachineClass *mc) |
| { |
| const char *p; |
| char buf[10]; |
| int i, ret; |
| bool accel_initialised = false; |
| bool init_failed = false; |
| |
| p = qemu_opt_get(qemu_get_machine_opts(), "accel"); |
| if (p == NULL) { |
| /* Use the default "accelerator", tcg */ |
| p = "tcg"; |
| } |
| |
| while (!accel_initialised && *p != '\0') { |
| if (*p == ':') { |
| p++; |
| } |
| p = get_opt_name(buf, sizeof (buf), p, ':'); |
| for (i = 0; i < ARRAY_SIZE(accel_list); i++) { |
| if (strcmp(accel_list[i].opt_name, buf) == 0) { |
| if (!accel_list[i].available()) { |
| printf("%s not supported for this target\n", |
| accel_list[i].name); |
| break; |
| } |
| *(accel_list[i].allowed) = true; |
| ret = accel_list[i].init(mc); |
| if (ret < 0) { |
| init_failed = true; |
| fprintf(stderr, "failed to initialize %s: %s\n", |
| accel_list[i].name, |
| strerror(-ret)); |
| *(accel_list[i].allowed) = false; |
| } else { |
| accel_initialised = true; |
| } |
| break; |
| } |
| } |
| if (i == ARRAY_SIZE(accel_list)) { |
| fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf); |
| } |
| } |
| |
| if (!accel_initialised) { |
| if (!init_failed) { |
| fprintf(stderr, "No accelerator found!\n"); |
| } |
| exit(1); |
| } |
| |
| if (init_failed) { |
| fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name); |
| } |
| |
| return !accel_initialised; |
| } |
| |
| 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); |
| } |
| |
| void qemu_add_machine_init_done_notifier(Notifier *notify) |
| { |
| notifier_list_add(&machine_init_done_notifiers, notify); |
| } |
| |
| static void qemu_run_machine_init_done_notifiers(void) |
| { |
| 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 gpointer malloc_and_trace(gsize n_bytes) |
| { |
| void *ptr = malloc(n_bytes); |
| trace_g_malloc(n_bytes, ptr); |
| return ptr; |
| } |
| |
| static gpointer realloc_and_trace(gpointer mem, gsize n_bytes) |
| { |
| void *ptr = realloc(mem, n_bytes); |
| trace_g_realloc(mem, n_bytes, ptr); |
| return ptr; |
| } |
| |
| static void free_and_trace(gpointer mem) |
| { |
| trace_g_free(mem); |
| free(mem); |
| } |
| |
| static int object_set_property(const char *name, const char *value, void *opaque) |
| { |
| Object *obj = OBJECT(opaque); |
| StringInputVisitor *siv; |
| Error *local_err = NULL; |
| |
| if (strcmp(name, "qom-type") == 0 || strcmp(name, "id") == 0) { |
| return 0; |
| } |
| |
| siv = string_input_visitor_new(value); |
| object_property_set(obj, string_input_get_visitor(siv), name, &local_err); |
| string_input_visitor_cleanup(siv); |
| |
| if (local_err) { |
| qerror_report_err(local_err); |
| error_free(local_err); |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| static int object_create(QemuOpts *opts, void *opaque) |
| { |
| const char *type = qemu_opt_get(opts, "qom-type"); |
| const char *id = qemu_opts_id(opts); |
| Error *local_err = NULL; |
| Object *obj; |
| |
| g_assert(type != NULL); |
| |
| if (id == NULL) { |
| qerror_report(QERR_MISSING_PARAMETER, "id"); |
| return -1; |
| } |
| |
| obj = object_new(type); |
| if (qemu_opt_foreach(opts, object_set_property, obj, 1) < 0) { |
| object_unref(obj); |
| return -1; |
| } |
| |
| if (!object_dynamic_cast(obj, TYPE_USER_CREATABLE)) { |
| error_setg(&local_err, "object '%s' isn't supported by -object", |
| id); |
| goto out; |
| } |
| |
| user_creatable_complete(obj, &local_err); |
| if (local_err) { |
| goto out; |
| } |
| |
| object_property_add_child(container_get(object_get_root(), "/objects"), |
| id, obj, &local_err); |
| |
| out: |
| object_unref(obj); |
| if (local_err) { |
| qerror_report_err(local_err); |
| error_free(local_err); |
| return -1; |
| } |
| return 0; |
| } |
| |
| int main(int argc, char **argv, char **envp) |
| { |
| int i; |
| int snapshot, linux_boot; |
| const char *icount_option = NULL; |
| const char *initrd_filename; |
| const char *kernel_filename, *kernel_cmdline; |
| const char *boot_order; |
| DisplayState *ds; |
| int cyls, heads, secs, translation; |
| QemuOpts *hda_opts = NULL, *opts, *machine_opts; |
| QemuOptsList *olist; |
| int optind; |
| const char *optarg; |
| const char *loadvm = NULL; |
| MachineClass *machine_class; |
| const char *cpu_model; |
| const char *vga_model = NULL; |
| const char *qtest_chrdev = NULL; |
| const char *qtest_log = NULL; |
| const char *pid_file = NULL; |
| const char *incoming = NULL; |
| #ifdef CONFIG_VNC |
| int show_vnc_port = 0; |
| #endif |
| bool defconfig = true; |
| bool userconfig = true; |
| const char *log_mask = NULL; |
| const char *log_file = NULL; |
| GMemVTable mem_trace = { |
| .malloc = malloc_and_trace, |
| .realloc = realloc_and_trace, |
| .free = free_and_trace, |
| }; |
| const char *trace_events = NULL; |
| const char *trace_file = NULL; |
| const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE * |
| 1024 * 1024; |
| |
| atexit(qemu_run_exit_notifiers); |
| error_set_progname(argv[0]); |
| qemu_init_exec_dir(argv[0]); |
| |
| g_mem_set_vtable(&mem_trace); |
| |
| module_call_init(MODULE_INIT_QOM); |
| |
| 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_opts(&qemu_chardev_opts); |
| qemu_add_opts(&qemu_device_opts); |
| qemu_add_opts(&qemu_netdev_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_add_opts(&qemu_option_rom_opts); |
| qemu_add_opts(&qemu_machine_opts); |
| qemu_add_opts(&qemu_mem_opts); |
| qemu_add_opts(&qemu_smp_opts); |
| qemu_add_opts(&qemu_boot_opts); |
| qemu_add_opts(&qemu_sandbox_opts); |
| qemu_add_opts(&qemu_add_fd_opts); |
| qemu_add_opts(&qemu_object_opts); |
| qemu_add_opts(&qemu_tpmdev_opts); |
| qemu_add_opts(&qemu_realtime_opts); |
| qemu_add_opts(&qemu_msg_opts); |
| qemu_add_opts(&qemu_name_opts); |
| |
| runstate_init(); |
| |
| rtc_clock = QEMU_CLOCK_HOST; |
| |