1 HXCOMM Use
DEFHEADING() to define headings
in both help text and texi
2 HXCOMM Text between STEXI and ETEXI are copied to texi version and
3 HXCOMM discarded from C version
4 HXCOMM
DEF(command
, args
, callback, arg_string
, help
) is used to construct
5 HXCOMM monitor commands
6 HXCOMM HXCOMM can be used
for comments
, discarded from both texi and C
14 .args_type
= "name:s?",
16 .help
= "show the help",
17 .mhandler
.cmd
= do_help_cmd
,
21 @item help or ?
[@
var{cmd
}]
23 Show the help
for all commands or just
for command @
var{cmd
}.
28 .args_type
= "device:B",
29 .params
= "device|all",
30 .help
= "commit changes to the disk images (if -snapshot is used) or backing files",
31 .mhandler
.cmd
= do_commit
,
37 Commit changes to the disk
images (if -snapshot is used
) or backing files
.
44 .help
= "quit the emulator",
45 .user_print
= monitor_user_noop
,
46 .mhandler
.cmd
= hmp_quit
,
56 .name
= "block_resize",
57 .args_type
= "device:B,size:o",
58 .params
= "device size",
59 .help
= "resize a block image",
60 .mhandler
.cmd
= hmp_block_resize
,
66 Resize a block image
while a guest is running
. Usually requires guest
67 action to see the updated size
. Resize to a lower size is supported
,
68 but should be used with extreme caution
. Note that
this command only
69 resizes image files
, it can not resize block devices like LVM volumes
.
73 .name
= "block_stream",
74 .args_type
= "device:B,base:s?",
75 .params
= "device [base]",
76 .help
= "copy data from a backing file into a block device",
77 .mhandler
.cmd
= hmp_block_stream
,
83 Copy data from a backing file into a block device
.
87 .name
= "block_job_set_speed",
88 .args_type
= "device:B,value:o",
89 .params
= "device value",
90 .help
= "set maximum speed for a background block operation",
91 .mhandler
.cmd
= hmp_block_job_set_speed
,
95 @item block_job_set_speed
96 @findex block_job_set_speed
97 Set maximum speed
for a background block operation
.
101 .name
= "block_job_cancel",
102 .args_type
= "device:B",
104 .help
= "stop an active block streaming operation",
105 .mhandler
.cmd
= hmp_block_job_cancel
,
109 @item block_job_cancel
110 @findex block_job_cancel
111 Stop an active block streaming operation
.
116 .args_type
= "force:-f,device:B",
117 .params
= "[-f] device",
118 .help
= "eject a removable medium (use -f to force it)",
119 .mhandler
.cmd
= hmp_eject
,
123 @item eject
[-f
] @
var{device
}
125 Eject a removable
medium (use
-f to force it
).
132 .help
= "remove host block device",
133 .user_print
= monitor_user_noop
,
134 .mhandler
.cmd_new
= do_drive_del
,
138 @item drive_del @
var{device
}
140 Remove host block device
. The result is that guest generated IO is no longer
141 submitted against the host device underlying the disk
. Once a drive has
142 been deleted
, the QEMU Block layer returns
-EIO which results
in IO
143 errors
in the guest
for applications that are reading
/writing to the device
.
148 .args_type
= "device:B,target:F,arg:s?",
149 .params
= "device filename [format]",
150 .help
= "change a removable medium, optional format",
151 .mhandler
.cmd
= hmp_change
,
155 @item change @
var{device
} @
var{setting
}
158 Change the configuration of a device
.
161 @item change @
var{diskdevice
} @
var{filename
} [@
var{format
}]
162 Change the medium
for a removable disk device to point to @
var{filename
}. eg
165 (qemu
) change ide1
-cd0
/path
/to
/some
.iso
168 @
var{format
} is optional
.
170 @item change vnc @
var{display
},@
var{options
}
171 Change the configuration of the VNC server
. The valid syntax
for @
var{display
}
172 and @
var{options
} are described at @ref
{sec_invocation
}. eg
175 (qemu
) change vnc localhost
:1
178 @item change vnc password
[@
var{password
}]
180 Change the password associated with the VNC server
. If the
new password is not
181 supplied
, the monitor will prompt
for it to be entered
. VNC passwords are only
182 significant up to
8 letters
. eg
185 (qemu
) change vnc password
193 .name
= "screendump",
194 .args_type
= "filename:F",
195 .params
= "filename",
196 .help
= "save screen into PPM image 'filename'",
197 .user_print
= monitor_user_noop
,
198 .mhandler
.cmd_new
= do_screen_dump
,
202 @item screendump @
var{filename
}
204 Save screen into PPM image @
var{filename
}.
209 .args_type
= "filename:F",
210 .params
= "filename",
211 .help
= "output logs to 'filename'",
212 .mhandler
.cmd
= do_logfile
,
216 @item logfile @
var{filename
}
218 Output logs to @
var{filename
}.
222 .name
= "trace-event",
223 .args_type
= "name:s,option:b",
224 .params
= "name on|off",
225 .help
= "changes status of a specific trace event",
226 .mhandler
.cmd
= do_trace_event_set_state
,
232 changes status of a
trace event
235 #
if defined(CONFIG_TRACE_SIMPLE
)
237 .name
= "trace-file",
238 .args_type
= "op:s?,arg:F?",
239 .params
= "on|off|flush|set [arg]",
240 .help
= "open, close, or flush trace file, or set a new file name",
241 .mhandler
.cmd
= do_trace_file
,
245 @item
trace-file on|off|flush
247 Open
, close
, or flush the
trace file
. If no argument is given
, the status of the
trace file is displayed
.
253 .args_type
= "items:s",
254 .params
= "item1[,...]",
255 .help
= "activate logging of the specified items to '/tmp/qemu.log'",
256 .mhandler
.cmd
= do_log
,
260 @item log @
var{item1
}[,...]
262 Activate logging of the specified items to @file
{/tmp
/qemu
.log
}.
267 .args_type
= "name:s?",
268 .params
= "[tag|id]",
269 .help
= "save a VM snapshot. If no tag or id are provided, a new snapshot is created",
270 .mhandler
.cmd
= do_savevm
,
274 @item savevm
[@
var{tag
}|@
var{id
}]
276 Create a snapshot of the whole virtual machine
. If @
var{tag
} is
277 provided
, it is used as human readable identifier
. If there is already
278 a snapshot with the same tag or ID
, it is replaced
. More info at
284 .args_type
= "name:s",
286 .help
= "restore a VM snapshot from its tag or id",
287 .mhandler
.cmd
= do_loadvm
,
291 @item loadvm @
var{tag
}|@
var{id
}
293 Set the whole virtual machine to the snapshot identified by the tag
294 @
var{tag
} or the unique snapshot ID @
var{id
}.
299 .args_type
= "name:s",
301 .help
= "delete a VM snapshot from its tag or id",
302 .mhandler
.cmd
= do_delvm
,
306 @item delvm @
var{tag
}|@
var{id
}
308 Delete the snapshot identified by @
var{tag
} or @
var{id
}.
312 .name
= "singlestep",
313 .args_type
= "option:s?",
314 .params
= "[on|off]",
315 .help
= "run emulation in singlestep mode or switch to normal mode",
316 .mhandler
.cmd
= do_singlestep
,
320 @item singlestep
[off
]
322 Run the emulation
in single step mode
.
323 If called with option off
, the emulation returns to normal mode
.
330 .help
= "stop emulation",
331 .mhandler
.cmd
= hmp_stop
,
344 .help
= "resume emulation",
345 .mhandler
.cmd
= hmp_cont
,
355 .name
= "system_wakeup",
358 .help
= "wakeup guest from suspend",
359 .mhandler
.cmd
= hmp_system_wakeup
,
364 @findex system_wakeup
365 Wakeup guest from suspend
.
370 .args_type
= "device:s?",
371 .params
= "[device]",
372 .help
= "start gdbserver on given device (default 'tcp::1234'), stop with 'none'",
373 .mhandler
.cmd
= do_gdbserver
,
377 @item gdbserver
[@
var{port
}]
379 Start gdbserver
session (default @
var{port
}=1234)
384 .args_type
= "fmt:/,addr:l",
385 .params
= "/fmt addr",
386 .help
= "virtual memory dump starting at 'addr'",
387 .mhandler
.cmd
= do_memory_dump
,
391 @item x
/fmt @
var{addr
}
393 Virtual memory dump starting at @
var{addr
}.
398 .args_type
= "fmt:/,addr:l",
399 .params
= "/fmt addr",
400 .help
= "physical memory dump starting at 'addr'",
401 .mhandler
.cmd
= do_physical_memory_dump
,
405 @item xp
/@
var{fmt
} @
var{addr
}
407 Physical memory dump starting at @
var{addr
}.
409 @
var{fmt
} is a format which tells the command how to format the
410 data
. Its syntax is
: @option
{/@
{count@
}@
{format@
}@
{size@
}}
414 is the number of items to be dumped
.
417 can be
x (hex
), d (signed decimal
), u (unsigned decimal
), o (octal
),
418 c (char
) or
i (asm instruction
).
421 can be
b (8 bits
), h (16 bits
), w (32 bits
) or
g (64 bits
). On x86
,
422 @code
{h
} or @code
{w
} can be specified with the @code
{i
} format to
423 respectively select
16 or
32 bit code instruction size
.
430 Dump
10 instructions at the current instruction pointer
:
435 0x90107065: lea
0x0(%esi
,1),%esi
436 0x90107069: lea
0x0(%edi
,1),%edi
438 0x90107071: jmp
0x90107080
446 Dump
80 16 bit values at the start of the video memory
.
448 (qemu
) xp
/80hx
0xb8000
449 0x000b8000: 0x0b50 0x0b6c 0x0b65 0x0b78 0x0b38 0x0b36 0x0b2f 0x0b42
450 0x000b8010: 0x0b6f 0x0b63 0x0b68 0x0b73 0x0b20 0x0b56 0x0b47 0x0b41
451 0x000b8020: 0x0b42 0x0b69 0x0b6f 0x0b73 0x0b20 0x0b63 0x0b75 0x0b72
452 0x000b8030: 0x0b72 0x0b65 0x0b6e 0x0b74 0x0b2d 0x0b63 0x0b76 0x0b73
453 0x000b8040: 0x0b20 0x0b30 0x0b35 0x0b20 0x0b4e 0x0b6f 0x0b76 0x0b20
454 0x000b8050: 0x0b32 0x0b30 0x0b30 0x0b33 0x0720 0x0720 0x0720 0x0720
455 0x000b8060: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
456 0x000b8070: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
457 0x000b8080: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
458 0x000b8090: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
465 .args_type
= "fmt:/,val:l",
466 .params
= "/fmt expr",
467 .help
= "print expression value (use $reg for CPU register access)",
468 .mhandler
.cmd
= do_print
,
472 @item p or print
/@
var{fmt
} @
var{expr
}
475 Print expression value
. Only the @
var{format
} part of @
var{fmt
} is
481 .args_type
= "fmt:/,addr:i,index:i.",
482 .params
= "/fmt addr",
483 .help
= "I/O port read",
484 .mhandler
.cmd
= do_ioport_read
,
493 .args_type
= "fmt:/,addr:i,val:i",
494 .params
= "/fmt addr value",
495 .help
= "I/O port write",
496 .mhandler
.cmd
= do_ioport_write
,
505 .args_type
= "string:s,hold_time:i?",
506 .params
= "keys [hold_ms]",
507 .help
= "send keys to the VM (e.g. 'sendkey ctrl-alt-f1', default hold time=100 ms)",
508 .mhandler
.cmd
= do_sendkey
,
512 @item sendkey @
var{keys
}
515 Send @
var{keys
} to the emulator
. @
var{keys
} could be the name of the
516 key or @code
{#
} followed by the raw value
in either decimal or hexadecimal
517 format
. Use @code
{-} to press several keys simultaneously
. Example
:
522 This command is useful to send keys that your graphical user
interface
523 intercepts at low level
, such as @code
{ctrl
-alt
-f1
} in X Window
.
527 .name
= "system_reset",
530 .help
= "reset the system",
531 .mhandler
.cmd
= hmp_system_reset
,
542 .name
= "system_powerdown",
545 .help
= "send system power down event",
546 .mhandler
.cmd
= hmp_system_powerdown
,
550 @item system_powerdown
551 @findex system_powerdown
553 Power down the
system (if supported
).
558 .args_type
= "start:i,size:i",
559 .params
= "addr size",
560 .help
= "compute the checksum of a memory region",
561 .mhandler
.cmd
= do_sum
,
565 @item sum @
var{addr
} @
var{size
}
568 Compute the checksum of a memory region
.
573 .args_type
= "devname:s",
575 .help
= "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')",
576 .mhandler
.cmd
= do_usb_add
,
580 @item usb_add @
var{devname
}
583 Add the USB device @
var{devname
}. For details of available devices see
589 .args_type
= "devname:s",
591 .help
= "remove USB device 'bus.addr'",
592 .mhandler
.cmd
= do_usb_del
,
596 @item usb_del @
var{devname
}
599 Remove the USB device @
var{devname
} from the QEMU virtual USB
600 hub
. @
var{devname
} has the syntax @code
{bus
.addr
}. Use the monitor
601 command @code
{info usb
} to see the devices you can remove
.
605 .name
= "device_add",
606 .args_type
= "device:O",
607 .params
= "driver[,prop=value][,...]",
608 .help
= "add device, like -device on the command line",
609 .user_print
= monitor_user_noop
,
610 .mhandler
.cmd_new
= do_device_add
,
614 @item device_add @
var{config
}
621 .name
= "device_del",
624 .help
= "remove device",
625 .mhandler
.cmd
= hmp_device_del
,
629 @item device_del @
var{id
}
632 Remove device @
var{id
}.
637 .args_type
= "index:i",
639 .help
= "set the default CPU",
640 .mhandler
.cmd
= hmp_cpu
,
644 @item cpu @
var{index
}
650 .name
= "mouse_move",
651 .args_type
= "dx_str:s,dy_str:s,dz_str:s?",
652 .params
= "dx dy [dz]",
653 .help
= "send mouse move events",
654 .mhandler
.cmd
= do_mouse_move
,
658 @item mouse_move @
var{dx
} @
var{dy
} [@
var{dz
}]
660 Move the active mouse to the specified coordinates @
var{dx
} @
var{dy
}
661 with optional scroll axis @
var{dz
}.
665 .name
= "mouse_button",
666 .args_type
= "button_state:i",
668 .help
= "change mouse button state (1=L, 2=M, 4=R)",
669 .mhandler
.cmd
= do_mouse_button
,
673 @item mouse_button @
var{val
}
675 Change the active mouse button state @
var{val
} (1=L
, 2=M
, 4=R
).
680 .args_type
= "index:i",
682 .help
= "set which mouse device receives events",
683 .mhandler
.cmd
= do_mouse_set
,
687 @item mouse_set @
var{index
}
689 Set which mouse device receives events at given @
var{index
}, index
698 .name
= "wavcapture",
699 .args_type
= "path:F,freq:i?,bits:i?,nchannels:i?",
700 .params
= "path [frequency [bits [channels]]]",
701 .help
= "capture audio to a wave file (default frequency=44100 bits=16 channels=2)",
702 .mhandler
.cmd
= do_wav_capture
,
706 @item wavcapture @
var{filename
} [@
var{frequency
} [@
var{bits
} [@
var{channels
}]]]
708 Capture audio into @
var{filename
}. Using sample rate @
var{frequency
}
709 bits per sample @
var{bits
} and number of channels @
var{channels
}.
713 @item Sample rate
= 44100 Hz
- CD quality
715 @item Number of channels
= 2 - Stereo
721 .name
= "stopcapture",
723 .params
= "capture index",
724 .help
= "stop capture",
725 .mhandler
.cmd
= do_stop_capture
,
729 @item stopcapture @
var{index
}
731 Stop capture with a given @
var{index
}, index can be obtained with
739 .args_type
= "val:l,size:i,filename:s",
740 .params
= "addr size file",
741 .help
= "save to disk virtual memory dump starting at 'addr' of size 'size'",
742 .mhandler
.cmd
= hmp_memsave
,
746 @item memsave @
var{addr
} @
var{size
} @
var{file
}
748 save to disk virtual memory dump starting at @
var{addr
} of size @
var{size
}.
753 .args_type
= "val:l,size:i,filename:s",
754 .params
= "addr size file",
755 .help
= "save to disk physical memory dump starting at 'addr' of size 'size'",
756 .mhandler
.cmd
= hmp_pmemsave
,
760 @item pmemsave @
var{addr
} @
var{size
} @
var{file
}
762 save to disk physical memory dump starting at @
var{addr
} of size @
var{size
}.
767 .args_type
= "bootdevice:s",
768 .params
= "bootdevice",
769 .help
= "define new values for the boot device list",
770 .mhandler
.cmd
= do_boot_set
,
774 @item boot_set @
var{bootdevicelist
}
777 Define
new values
for the boot device list
. Those values will
override
778 the values specified on the command line through the @code
{-boot
} option
.
780 The values that can be specified
here depend on the machine type
, but are
781 the same that can be specified
in the @code
{-boot
} command line option
.
784 #
if defined(TARGET_I386
)
789 .help
= "inject an NMI on all guest's CPUs",
790 .mhandler
.cmd
= hmp_inject_nmi
,
796 Inject an NMI on the given
CPU (x86 only
).
801 .args_type
= "detach:-d,blk:-b,inc:-i,uri:s",
802 .params
= "[-d] [-b] [-i] uri",
803 .help
= "migrate to URI (using -d to not wait for completion)"
804 "\n\t\t\t -b for migration without shared storage with"
805 " full copy of disk\n\t\t\t -i for migration without "
806 "shared storage with incremental copy of disk "
807 "(base image shared between src and destination)",
808 .mhandler
.cmd
= hmp_migrate
,
813 @item migrate
[-d
] [-b
] [-i
] @
var{uri
}
815 Migrate to @
var{uri
} (using -d to not wait
for completion
).
816 -b
for migration with full copy of disk
817 -i
for migration with incremental copy of
disk (base image is shared
)
821 .name
= "migrate_cancel",
824 .help
= "cancel the current VM migration",
825 .mhandler
.cmd
= hmp_migrate_cancel
,
830 @findex migrate_cancel
831 Cancel the current VM migration
.
835 .name
= "migrate_set_speed",
836 .args_type
= "value:o",
838 .help
= "set maximum speed (in bytes) for migrations. "
839 "Defaults to MB if no size suffix is specified, ie. B/K/M/G/T",
840 .mhandler
.cmd
= hmp_migrate_set_speed
,
844 @item migrate_set_speed @
var{value
}
845 @findex migrate_set_speed
846 Set maximum speed to @
var{value
} (in bytes
) for migrations
.
850 .name
= "migrate_set_downtime",
851 .args_type
= "value:T",
853 .help
= "set maximum tolerated downtime (in seconds) for migrations",
854 .mhandler
.cmd
= hmp_migrate_set_downtime
,
858 @item migrate_set_downtime @
var{second
}
859 @findex migrate_set_downtime
860 Set maximum tolerated
downtime (in seconds
) for migration
.
864 .name
= "client_migrate_info",
865 .args_type
= "protocol:s,hostname:s,port:i?,tls-port:i?,cert-subject:s?",
866 .params
= "protocol hostname port tls-port cert-subject",
867 .help
= "send migration info to spice/vnc client",
868 .user_print
= monitor_user_noop
,
869 .mhandler
.cmd_async
= client_migrate_info
,
870 .flags
= MONITOR_CMD_ASYNC
,
874 @item client_migrate_info @
var{protocol
} @
var{hostname
} @
var{port
} @
var{tls
-port
} @
var{cert
-subject
}
875 @findex client_migrate_info
876 Set the spice
/vnc connection info
for the migration target
. The spice
/vnc
877 server will ask the spice
/vnc client to automatically reconnect
using the
878 new parameters (if specified
) once the vm migration finished successfully
.
882 .name
= "snapshot_blkdev",
883 .args_type
= "reuse:-n,device:B,snapshot-file:s?,format:s?",
884 .params
= "[-n] device [new-image-file] [format]",
885 .help
= "initiates a live snapshot\n\t\t\t"
886 "of device. If a new image file is specified, the\n\t\t\t"
887 "new image file will become the new root image.\n\t\t\t"
888 "If format is specified, the snapshot file will\n\t\t\t"
889 "be created in that format. Otherwise the\n\t\t\t"
890 "snapshot will be internal! (currently unsupported).\n\t\t\t"
891 "The default format is qcow2. The -n flag requests QEMU\n\t\t\t"
892 "to reuse the image found in new-image-file, instead of\n\t\t\t"
893 "recreating it from scratch.",
894 .mhandler
.cmd
= hmp_snapshot_blkdev
,
898 @item snapshot_blkdev
899 @findex snapshot_blkdev
900 Snapshot device
, using snapshot file as target
if provided
905 .args_type
= "pci_addr:s,opts:s",
906 .params
= "[[<domain>:]<bus>:]<slot>\n"
907 "[file=file][,if=type][,bus=n]\n"
908 "[,unit=m][,media=d][,index=i]\n"
909 "[,cyls=c,heads=h,secs=s[,trans=t]]\n"
910 "[,snapshot=on|off][,cache=on|off]\n"
911 "[,readonly=on|off][,copy-on-read=on|off]",
912 .help
= "add drive to PCI storage controller",
913 .mhandler
.cmd
= drive_hot_add
,
919 Add drive to PCI storage controller
.
922 #
if defined(TARGET_I386
)
925 .args_type
= "pci_addr:s,type:s,opts:s?",
926 .params
= "auto|[[<domain>:]<bus>:]<slot> nic|storage [[vlan=n][,macaddr=addr][,model=type]] [file=file][,if=type][,bus=nr]...",
927 .help
= "hot-add PCI device",
928 .mhandler
.cmd
= pci_device_hot_add
,
938 #
if defined(TARGET_I386
)
941 .args_type
= "pci_addr:s",
942 .params
= "[[<domain>:]<bus>:]<slot>",
943 .help
= "hot remove PCI device",
944 .mhandler
.cmd
= do_pci_device_hot_remove
,
951 Hot remove PCI device
.
955 .name
= "pcie_aer_inject_error",
956 .args_type
= "advisory_non_fatal:-a,correctable:-c,"
957 "id:s,error_status:s,"
958 "header0:i?,header1:i?,header2:i?,header3:i?,"
959 "prefix0:i?,prefix1:i?,prefix2:i?,prefix3:i?",
960 .params
= "[-a] [-c] id "
961 "<error_status> [<tlp header> [<tlp header prefix>]]",
962 .help
= "inject pcie aer error\n\t\t\t"
963 " -a for advisory non fatal error\n\t\t\t"
964 " -c for correctable error\n\t\t\t"
965 "<id> = qdev device id\n\t\t\t"
966 "<error_status> = error string or 32bit\n\t\t\t"
967 "<tlb header> = 32bit x 4\n\t\t\t"
968 "<tlb header prefix> = 32bit x 4",
969 .user_print
= pcie_aer_inject_error_print
,
970 .mhandler
.cmd_new
= do_pcie_aer_inject_error
,
974 @item pcie_aer_inject_error
975 @findex pcie_aer_inject_error
976 Inject PCIe AER error
980 .name
= "host_net_add",
981 .args_type
= "device:s,opts:s?",
982 .params
= "tap|user|socket|vde|dump [options]",
983 .help
= "add host VLAN client",
984 .mhandler
.cmd
= net_host_device_add
,
990 Add host VLAN client
.
994 .name
= "host_net_remove",
995 .args_type
= "vlan_id:i,device:s",
996 .params
= "vlan_id name",
997 .help
= "remove host VLAN client",
998 .mhandler
.cmd
= net_host_device_remove
,
1002 @item host_net_remove
1003 @findex host_net_remove
1004 Remove host VLAN client
.
1008 .name
= "netdev_add",
1009 .args_type
= "netdev:O",
1010 .params
= "[user|tap|socket],id=str[,prop=value][,...]",
1011 .help
= "add host network device",
1012 .user_print
= monitor_user_noop
,
1013 .mhandler
.cmd_new
= do_netdev_add
,
1019 Add host network device
.
1023 .name
= "netdev_del",
1024 .args_type
= "id:s",
1026 .help
= "remove host network device",
1027 .user_print
= monitor_user_noop
,
1028 .mhandler
.cmd_new
= do_netdev_del
,
1034 Remove host network device
.
1039 .name
= "hostfwd_add",
1040 .args_type
= "arg1:s,arg2:s?,arg3:s?",
1041 .params
= "[vlan_id name] [tcp|udp]:[hostaddr]:hostport-[guestaddr]:guestport",
1042 .help
= "redirect TCP or UDP connections from host to guest (requires -net user)",
1043 .mhandler
.cmd
= net_slirp_hostfwd_add
,
1049 Redirect TCP or UDP connections from host to
guest (requires
-net user
).
1054 .name
= "hostfwd_remove",
1055 .args_type
= "arg1:s,arg2:s?,arg3:s?",
1056 .params
= "[vlan_id name] [tcp|udp]:[hostaddr]:hostport",
1057 .help
= "remove host-to-guest TCP or UDP redirection",
1058 .mhandler
.cmd
= net_slirp_hostfwd_remove
,
1063 @item hostfwd_remove
1064 @findex hostfwd_remove
1065 Remove host
-to
-guest TCP or UDP redirection
.
1070 .args_type
= "value:M",
1072 .help
= "request VM to change its memory allocation (in MB)",
1073 .mhandler
.cmd
= hmp_balloon
,
1077 @item balloon @
var{value
}
1079 Request VM to change its memory allocation to @
var{value
} (in MB
).
1084 .args_type
= "name:s,up:b",
1085 .params
= "name on|off",
1086 .help
= "change the link status of a network adapter",
1087 .mhandler
.cmd
= hmp_set_link
,
1091 @item set_link @
var{name
} [on|off
]
1093 Switch link @
var{name
} on (i
.e
. up
) or
off (i
.e
. down
).
1097 .name
= "watchdog_action",
1098 .args_type
= "action:s",
1099 .params
= "[reset|shutdown|poweroff|pause|debug|none]",
1100 .help
= "change watchdog action",
1101 .mhandler
.cmd
= do_watchdog_action
,
1105 @item watchdog_action
1106 @findex watchdog_action
1107 Change watchdog action
.
1112 .args_type
= "aclname:s",
1113 .params
= "aclname",
1114 .help
= "list rules in the access control list",
1115 .mhandler
.cmd
= do_acl_show
,
1119 @item acl_show @
var{aclname
}
1121 List all the matching rules
in the access control list
, and the
default
1122 policy
. There are currently two named access control lists
,
1123 @
var{vnc
.x509dname
} and @
var{vnc
.username
} matching on the x509 client
1124 certificate distinguished name
, and SASL username respectively
.
1128 .name
= "acl_policy",
1129 .args_type
= "aclname:s,policy:s",
1130 .params
= "aclname allow|deny",
1131 .help
= "set default access control list policy",
1132 .mhandler
.cmd
= do_acl_policy
,
1136 @item acl_policy @
var{aclname
} @code
{allow|deny
}
1138 Set the
default access control list policy
, used
in the event that
1139 none of the explicit rules match
. The
default policy at startup is
1145 .args_type
= "aclname:s,match:s,policy:s,index:i?",
1146 .params
= "aclname match allow|deny [index]",
1147 .help
= "add a match rule to the access control list",
1148 .mhandler
.cmd
= do_acl_add
,
1152 @item acl_add @
var{aclname
} @
var{match
} @code
{allow|deny
} [@
var{index
}]
1154 Add a match rule to the access control list
, allowing or denying access
.
1155 The match will normally be an exact username or x509 distinguished name
,
1156 but can optionally include wildcard globs
. eg @code
{*@@EXAMPLE
.COM
} to
1157 allow all users
in the @code
{EXAMPLE
.COM
} kerberos realm
. The match will
1158 normally be appended to the end of the ACL
, but can be inserted
1159 earlier
in the list
if the optional @
var{index
} parameter is supplied
.
1163 .name
= "acl_remove",
1164 .args_type
= "aclname:s,match:s",
1165 .params
= "aclname match",
1166 .help
= "remove a match rule from the access control list",
1167 .mhandler
.cmd
= do_acl_remove
,
1171 @item acl_remove @
var{aclname
} @
var{match
}
1173 Remove the specified match rule from the access control list
.
1177 .name
= "acl_reset",
1178 .args_type
= "aclname:s",
1179 .params
= "aclname",
1180 .help
= "reset the access control list",
1181 .mhandler
.cmd
= do_acl_reset
,
1185 @item acl_reset @
var{aclname
}
1187 Remove all matches from the access control list
, and set the
default
1188 policy back to @code
{deny
}.
1191 #
if defined(TARGET_I386
)
1195 .args_type
= "broadcast:-b,cpu_index:i,bank:i,status:l,mcg_status:l,addr:l,misc:l",
1196 .params
= "[-b] cpu bank status mcgstatus addr misc",
1197 .help
= "inject a MCE on the given CPU [and broadcast to other CPUs with -b option]",
1198 .mhandler
.cmd
= do_inject_mce
,
1203 @item mce @
var{cpu
} @
var{bank
} @
var{status
} @
var{mcgstatus
} @
var{addr
} @
var{misc
}
1205 Inject an MCE on the given
CPU (x86 only
).
1210 .args_type
= "fdname:s",
1211 .params
= "getfd name",
1212 .help
= "receive a file descriptor via SCM rights and assign it a name",
1213 .user_print
= monitor_user_noop
,
1214 .mhandler
.cmd_new
= do_getfd
,
1218 @item getfd @
var{fdname
}
1220 If a file descriptor is passed alongside
this command
using the SCM_RIGHTS
1221 mechanism on unix sockets
, it is stored
using the name @
var{fdname
} for
1222 later use by other monitor commands
.
1227 .args_type
= "fdname:s",
1228 .params
= "closefd name",
1229 .help
= "close a file descriptor previously passed via SCM rights",
1230 .user_print
= monitor_user_noop
,
1231 .mhandler
.cmd_new
= do_closefd
,
1235 @item closefd @
var{fdname
}
1237 Close the file descriptor previously assigned to @
var{fdname
} using the
1238 @code
{getfd
} command
. This is only needed
if the file descriptor was
never
1239 used by another monitor command
.
1243 .name
= "block_passwd",
1244 .args_type
= "device:B,password:s",
1245 .params
= "block_passwd device password",
1246 .help
= "set the password of encrypted block devices",
1247 .mhandler
.cmd
= hmp_block_passwd
,
1251 @item block_set_io_throttle @
var{device
} @
var{bps
} @
var{bps_rd
} @
var{bps_wr
} @
var{iops
} @
var{iops_rd
} @
var{iops_wr
}
1252 @findex block_set_io_throttle
1253 Change I
/O throttle limits
for a block drive to @
var{bps
} @
var{bps_rd
} @
var{bps_wr
} @
var{iops
} @
var{iops_rd
} @
var{iops_wr
}
1257 .name
= "block_set_io_throttle",
1258 .args_type
= "device:B,bps:l,bps_rd:l,bps_wr:l,iops:l,iops_rd:l,iops_wr:l",
1259 .params
= "device bps bps_rd bps_wr iops iops_rd iops_wr",
1260 .help
= "change I/O throttle limits for a block drive",
1261 .mhandler
.cmd
= hmp_block_set_io_throttle
,
1265 @item block_passwd @
var{device
} @
var{password
}
1266 @findex block_passwd
1267 Set the encrypted device @
var{device
} password to @
var{password
}
1271 .name
= "set_password",
1272 .args_type
= "protocol:s,password:s,connected:s?",
1273 .params
= "protocol password action-if-connected",
1274 .help
= "set spice/vnc password",
1275 .mhandler
.cmd
= hmp_set_password
,
1279 @item set_password
[ vnc | spice
] password
[ action
-if-connected
]
1280 @findex set_password
1282 Change spice
/vnc password
. Use zero to make the password stay valid
1283 forever
. @
var{action
-if-connected
} specifies what should happen
in
1284 case a connection is established
: @
var{fail
} makes the password change
1285 fail
. @
var{disconnect
} changes the password and disconnects the
1286 client
. @
var{keep
} changes the password and keeps the connection up
.
1287 @
var{keep
} is the
default.
1291 .name
= "expire_password",
1292 .args_type
= "protocol:s,time:s",
1293 .params
= "protocol time",
1294 .help
= "set spice/vnc password expire-time",
1295 .mhandler
.cmd
= hmp_expire_password
,
1299 @item expire_password
[ vnc | spice
] expire
-time
1300 @findex expire_password
1302 Specify when a password
for spice
/vnc becomes
1303 invalid
. @
var{expire
-time
} accepts
:
1307 Invalidate password instantly
.
1310 Password stays valid forever
.
1313 Password stays valid
for @
var{nsec
} seconds starting now
.
1316 Password is invalidated at the given time
. @
var{nsec
} are the seconds
1317 passed since
1970, i
.e
. unix epoch
.
1324 .args_type
= "item:s?",
1325 .params
= "[subcommand]",
1326 .help
= "show various information about the system state",
1327 .mhandler
.cmd
= do_info
,
1331 @item info @
var{subcommand
}
1333 Show various information about the system state
.
1337 show the version of QEMU
1339 show the various VLANs and the associated devices
1341 show the character devices
1343 show the block devices
1344 @item info blockstats
1345 show block device statistics
1346 @item info registers
1347 show the cpu registers
1349 show infos
for each CPU
1351 show the command line history
1353 show the interrupts
statistics (if available
)
1355 show
i8259 (PIC
) state
1357 show emulated PCI device info
1359 show virtual to physical memory
mappings (i386
, SH4
, SPARC
, PPC
, and Xtensa only
)
1361 show the active virtual memory
mappings (i386 only
)
1363 show
dynamic compiler info
1365 show NUMA information
1367 show KVM information
1369 show USB devices plugged on the virtual USB hub
1371 show all USB host devices
1373 show profiling information
1375 show information about active capturing
1376 @item info snapshots
1377 show list of VM snapshots
1379 show the current VM
status (running|paused
)
1381 show guest PCMCIA status
1383 show which guest mouse is receiving events
1385 show the vnc server status
1387 show the current VM name
1389 show the current VM UUID
1393 show user network stack connection states
1395 show migration status
1397 show balloon information
1401 show qdev device model list
1407 #ifdef CONFIG_TRACE_SIMPLE
1410 show contents of
trace buffer
1415 @item info
trace-events
1416 show available
trace events and their state