hmp-commands.hx

   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
   7
   8 STEXI
   9 @table @option
  10 ETEXI
  11
  12     {
  13         .name       = "help|?",
  14         .args_type  = "name:s?",
  15         .params     = "[cmd]",
  16         .help       = "show the help",
  17         .mhandler.cmd = do_help_cmd,
  18     },
  19
  20 STEXI
  21 @item help or ? [@var{cmd}]
  22 @findex help
  23 Show the help for all commands or just for command @var{cmd}.
  24 ETEXI
  25
  26     {
  27         .name       = "commit",
  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,
  32     },
  33
  34 STEXI
  35 @item commit
  36 @findex commit
  37 Commit changes to the disk images (if -snapshot is used) or backing files.
  38 ETEXI
  39
  40     {
  41         .name       = "q|quit",
  42         .args_type  = "",
  43         .params     = "",
  44         .help       = "quit the emulator",
  45         .user_print = monitor_user_noop,
  46         .mhandler.cmd = hmp_quit,
  47     },
  48
  49 STEXI
  50 @item q or quit
  51 @findex quit
  52 Quit the emulator.
  53 ETEXI
  54
  55     {
  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,
  61     },
  62
  63 STEXI
  64 @item block_resize
  65 @findex 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.
  70 ETEXI
  71
  72     {
  73         .name       = "block_stream",
  74         .args_type  = "device:B,speed:o?,base:s?",
  75         .params     = "device [speed [base]]",
  76         .help       = "copy data from a backing file into a block device",
  77         .mhandler.cmd = hmp_block_stream,
  78     },
  79
  80 STEXI
  81 @item block_stream
  82 @findex block_stream
  83 Copy data from a backing file into a block device.
  84 ETEXI
  85
  86     {
  87         .name       = "block_job_set_speed",
  88         .args_type  = "device:B,speed:o",
  89         .params     = "device speed",
  90         .help       = "set maximum speed for a background block operation",
  91         .mhandler.cmd = hmp_block_job_set_speed,
  92     },
  93
  94 STEXI
  95 @item block_job_set_speed
  96 @findex block_job_set_speed
  97 Set maximum speed for a background block operation.
  98 ETEXI
  99
 100     {
 101         .name       = "block_job_cancel",
 102         .args_type  = "device:B",
 103         .params     = "device",
 104         .help       = "stop an active block streaming operation",
 105         .mhandler.cmd = hmp_block_job_cancel,
 106     },
 107
 108 STEXI
 109 @item block_job_cancel
 110 @findex block_job_cancel
 111 Stop an active block streaming operation.
 112 ETEXI
 113
 114     {
 115         .name       = "eject",
 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,
 120     },
 121
 122 STEXI
 123 @item eject [-f] @var{device}
 124 @findex eject
 125 Eject a removable medium (use -f to force it).
 126 ETEXI
 127
 128     {
 129         .name       = "drive_del",
 130         .args_type  = "id:s",
 131         .params     = "device",
 132         .help       = "remove host block device",
 133         .user_print = monitor_user_noop,
 134         .mhandler.cmd_new = do_drive_del,
 135     },
 136
 137 STEXI
 138 @item drive_del @var{device}
 139 @findex drive_del
 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.
 144 ETEXI
 145
 146     {
 147         .name       = "change",
 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,
 152     },
 153
 154 STEXI
 155 @item change @var{device} @var{setting}
 156 @findex change
 157
 158 Change the configuration of a device.
 159
 160 @table @option
 161 @item change @var{diskdevice} @var{filename} [@var{format}]
 162 Change the medium for a removable disk device to point to @var{filename}. eg
 163
 164 @example
 165 (qemu) change ide1-cd0 /path/to/some.iso
 166 @end example
 167
 168 @var{format} is optional.
 169
 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
 173
 174 @example
 175 (qemu) change vnc localhost:1
 176 @end example
 177
 178 @item change vnc password [@var{password}]
 179
 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
 183
 184 @example
 185 (qemu) change vnc password
 186 Password: ********
 187 @end example
 188
 189 @end table
 190 ETEXI
 191
 192     {
 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,
 199     },
 200
 201 STEXI
 202 @item screendump @var{filename}
 203 @findex screendump
 204 Save screen into PPM image @var{filename}.
 205 ETEXI
 206
 207     {
 208         .name       = "logfile",
 209         .args_type  = "filename:F",
 210         .params     = "filename",
 211         .help       = "output logs to 'filename'",
 212         .mhandler.cmd = do_logfile,
 213     },
 214
 215 STEXI
 216 @item logfile @var{filename}
 217 @findex logfile
 218 Output logs to @var{filename}.
 219 ETEXI
 220
 221     {
 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,
 227     },
 228
 229 STEXI
 230 @item trace-event
 231 @findex trace-event
 232 changes status of a trace event
 233 ETEXI
 234
 235 #if defined(CONFIG_TRACE_SIMPLE)
 236     {
 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,
 242     },
 243
 244 STEXI
 245 @item trace-file on|off|flush
 246 @findex trace-file
 247 Open, close, or flush the trace file.  If no argument is given, the status of the trace file is displayed.
 248 ETEXI
 249 #endif
 250
 251     {
 252         .name       = "log",
 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,
 257     },
 258
 259 STEXI
 260 @item log @var{item1}[,...]
 261 @findex log
 262 Activate logging of the specified items to @file{/tmp/qemu.log}.
 263 ETEXI
 264
 265     {
 266         .name       = "savevm",
 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,
 271     },
 272
 273 STEXI
 274 @item savevm [@var{tag}|@var{id}]
 275 @findex savevm
 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
 279 @ref{vm_snapshots}.
 280 ETEXI
 281
 282     {
 283         .name       = "loadvm",
 284         .args_type  = "name:s",
 285         .params     = "tag|id",
 286         .help       = "restore a VM snapshot from its tag or id",
 287         .mhandler.cmd = do_loadvm,
 288     },
 289
 290 STEXI
 291 @item loadvm @var{tag}|@var{id}
 292 @findex loadvm
 293 Set the whole virtual machine to the snapshot identified by the tag
 294 @var{tag} or the unique snapshot ID @var{id}.
 295 ETEXI
 296
 297     {
 298         .name       = "delvm",
 299         .args_type  = "name:s",
 300         .params     = "tag|id",
 301         .help       = "delete a VM snapshot from its tag or id",
 302         .mhandler.cmd = do_delvm,
 303     },
 304
 305 STEXI
 306 @item delvm @var{tag}|@var{id}
 307 @findex delvm
 308 Delete the snapshot identified by @var{tag} or @var{id}.
 309 ETEXI
 310
 311     {
 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,
 317     },
 318
 319 STEXI
 320 @item singlestep [off]
 321 @findex singlestep
 322 Run the emulation in single step mode.
 323 If called with option off, the emulation returns to normal mode.
 324 ETEXI
 325
 326     {
 327         .name       = "stop",
 328         .args_type  = "",
 329         .params     = "",
 330         .help       = "stop emulation",
 331         .mhandler.cmd = hmp_stop,
 332     },
 333
 334 STEXI
 335 @item stop
 336 @findex stop
 337 Stop emulation.
 338 ETEXI
 339
 340     {
 341         .name       = "c|cont",
 342         .args_type  = "",
 343         .params     = "",
 344         .help       = "resume emulation",
 345         .mhandler.cmd = hmp_cont,
 346     },
 347
 348 STEXI
 349 @item c or cont
 350 @findex cont
 351 Resume emulation.
 352 ETEXI
 353
 354     {
 355         .name       = "system_wakeup",
 356         .args_type  = "",
 357         .params     = "",
 358         .help       = "wakeup guest from suspend",
 359         .mhandler.cmd = hmp_system_wakeup,
 360     },
 361
 362 STEXI
 363 @item system_wakeup
 364 @findex system_wakeup
 365 Wakeup guest from suspend.
 366 ETEXI
 367
 368     {
 369         .name       = "gdbserver",
 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,
 374     },
 375
 376 STEXI
 377 @item gdbserver [@var{port}]
 378 @findex gdbserver
 379 Start gdbserver session (default @var{port}=1234)
 380 ETEXI
 381
 382     {
 383         .name       = "x",
 384         .args_type  = "fmt:/,addr:l",
 385         .params     = "/fmt addr",
 386         .help       = "virtual memory dump starting at 'addr'",
 387         .mhandler.cmd = do_memory_dump,
 388     },
 389
 390 STEXI
 391 @item x/fmt @var{addr}
 392 @findex x
 393 Virtual memory dump starting at @var{addr}.
 394 ETEXI
 395
 396     {
 397         .name       = "xp",
 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,
 402     },
 403
 404 STEXI
 405 @item xp /@var{fmt} @var{addr}
 406 @findex xp
 407 Physical memory dump starting at @var{addr}.
 408
 409 @var{fmt} is a format which tells the command how to format the
 410 data. Its syntax is: @option{/@{count@}@{format@}@{size@}}
 411
 412 @table @var
 413 @item count
 414 is the number of items to be dumped.
 415
 416 @item format
 417 can be x (hex), d (signed decimal), u (unsigned decimal), o (octal),
 418 c (char) or i (asm instruction).
 419
 420 @item size
 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.
 424
 425 @end table
 426
 427 Examples:
 428 @itemize
 429 @item
 430 Dump 10 instructions at the current instruction pointer:
 431 @example
 432 (qemu) x/10i $eip
 433 0x90107063:  ret
 434 0x90107064:  sti
 435 0x90107065:  lea    0x0(%esi,1),%esi
 436 0x90107069:  lea    0x0(%edi,1),%edi
 437 0x90107070:  ret
 438 0x90107071:  jmp    0x90107080
 439 0x90107073:  nop
 440 0x90107074:  nop
 441 0x90107075:  nop
 442 0x90107076:  nop
 443 @end example
 444
 445 @item
 446 Dump 80 16 bit values at the start of the video memory.
 447 @smallexample
 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
 459 @end smallexample
 460 @end itemize
 461 ETEXI
 462
 463     {
 464         .name       = "p|print",
 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,
 469     },
 470
 471 STEXI
 472 @item p or print/@var{fmt} @var{expr}
 473 @findex print
 474
 475 Print expression value. Only the @var{format} part of @var{fmt} is
 476 used.
 477 ETEXI
 478
 479     {
 480         .name       = "i",
 481         .args_type  = "fmt:/,addr:i,index:i.",
 482         .params     = "/fmt addr",
 483         .help       = "I/O port read",
 484         .mhandler.cmd = do_ioport_read,
 485     },
 486
 487 STEXI
 488 Read I/O port.
 489 ETEXI
 490
 491     {
 492         .name       = "o",
 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,
 497     },
 498
 499 STEXI
 500 Write to I/O port.
 501 ETEXI
 502
 503     {
 504         .name       = "sendkey",
 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,
 509     },
 510
 511 STEXI
 512 @item sendkey @var{keys}
 513 @findex sendkey
 514
 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:
 518 @example
 519 sendkey ctrl-alt-f1
 520 @end example
 521
 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.
 524 ETEXI
 525
 526     {
 527         .name       = "system_reset",
 528         .args_type  = "",
 529         .params     = "",
 530         .help       = "reset the system",
 531         .mhandler.cmd = hmp_system_reset,
 532     },
 533
 534 STEXI
 535 @item system_reset
 536 @findex system_reset
 537
 538 Reset the system.
 539 ETEXI
 540
 541     {
 542         .name       = "system_powerdown",
 543         .args_type  = "",
 544         .params     = "",
 545         .help       = "send system power down event",
 546         .mhandler.cmd = hmp_system_powerdown,
 547     },
 548
 549 STEXI
 550 @item system_powerdown
 551 @findex system_powerdown
 552
 553 Power down the system (if supported).
 554 ETEXI
 555
 556     {
 557         .name       = "sum",
 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,
 562     },
 563
 564 STEXI
 565 @item sum @var{addr} @var{size}
 566 @findex sum
 567
 568 Compute the checksum of a memory region.
 569 ETEXI
 570
 571     {
 572         .name       = "usb_add",
 573         .args_type  = "devname:s",
 574         .params     = "device",
 575         .help       = "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')",
 576         .mhandler.cmd = do_usb_add,
 577     },
 578
 579 STEXI
 580 @item usb_add @var{devname}
 581 @findex usb_add
 582
 583 Add the USB device @var{devname}.  For details of available devices see
 584 @ref{usb_devices}
 585 ETEXI
 586
 587     {
 588         .name       = "usb_del",
 589         .args_type  = "devname:s",
 590         .params     = "device",
 591         .help       = "remove USB device 'bus.addr'",
 592         .mhandler.cmd = do_usb_del,
 593     },
 594
 595 STEXI
 596 @item usb_del @var{devname}
 597 @findex usb_del
 598
 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.
 602 ETEXI
 603
 604     {
 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,
 611     },
 612
 613 STEXI
 614 @item device_add @var{config}
 615 @findex device_add
 616
 617 Add device.
 618 ETEXI
 619
 620     {
 621         .name       = "device_del",
 622         .args_type  = "id:s",
 623         .params     = "device",
 624         .help       = "remove device",
 625         .mhandler.cmd = hmp_device_del,
 626     },
 627
 628 STEXI
 629 @item device_del @var{id}
 630 @findex device_del
 631
 632 Remove device @var{id}.
 633 ETEXI
 634
 635     {
 636         .name       = "cpu",
 637         .args_type  = "index:i",
 638         .params     = "index",
 639         .help       = "set the default CPU",
 640         .mhandler.cmd = hmp_cpu,
 641     },
 642
 643 STEXI
 644 @item cpu @var{index}
 645 @findex cpu
 646 Set the default CPU.
 647 ETEXI
 648
 649     {
 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,
 655     },
 656
 657 STEXI
 658 @item mouse_move @var{dx} @var{dy} [@var{dz}]
 659 @findex mouse_move
 660 Move the active mouse to the specified coordinates @var{dx} @var{dy}
 661 with optional scroll axis @var{dz}.
 662 ETEXI
 663
 664     {
 665         .name       = "mouse_button",
 666         .args_type  = "button_state:i",
 667         .params     = "state",
 668         .help       = "change mouse button state (1=L, 2=M, 4=R)",
 669         .mhandler.cmd = do_mouse_button,
 670     },
 671
 672 STEXI
 673 @item mouse_button @var{val}
 674 @findex mouse_button
 675 Change the active mouse button state @var{val} (1=L, 2=M, 4=R).
 676 ETEXI
 677
 678     {
 679         .name       = "mouse_set",
 680         .args_type  = "index:i",
 681         .params     = "index",
 682         .help       = "set which mouse device receives events",
 683         .mhandler.cmd = do_mouse_set,
 684     },
 685
 686 STEXI
 687 @item mouse_set @var{index}
 688 @findex mouse_set
 689 Set which mouse device receives events at given @var{index}, index
 690 can be obtained with
 691 @example
 692 info mice
 693 @end example
 694 ETEXI
 695
 696 #ifdef HAS_AUDIO
 697     {
 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,
 703     },
 704 #endif
 705 STEXI
 706 @item wavcapture @var{filename} [@var{frequency} [@var{bits} [@var{channels}]]]
 707 @findex wavcapture
 708 Capture audio into @var{filename}. Using sample rate @var{frequency}
 709 bits per sample @var{bits} and number of channels @var{channels}.
 710
 711 Defaults:
 712 @itemize @minus
 713 @item Sample rate = 44100 Hz - CD quality
 714 @item Bits = 16
 715 @item Number of channels = 2 - Stereo
 716 @end itemize
 717 ETEXI
 718
 719 #ifdef HAS_AUDIO
 720     {
 721         .name       = "stopcapture",
 722         .args_type  = "n:i",
 723         .params     = "capture index",
 724         .help       = "stop capture",
 725         .mhandler.cmd = do_stop_capture,
 726     },
 727 #endif
 728 STEXI
 729 @item stopcapture @var{index}
 730 @findex stopcapture
 731 Stop capture with a given @var{index}, index can be obtained with
 732 @example
 733 info capture
 734 @end example
 735 ETEXI
 736
 737     {
 738         .name       = "memsave",
 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,
 743     },
 744
 745 STEXI
 746 @item memsave @var{addr} @var{size} @var{file}
 747 @findex memsave
 748 save to disk virtual memory dump starting at @var{addr} of size @var{size}.
 749 ETEXI
 750
 751     {
 752         .name       = "pmemsave",
 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,
 757     },
 758
 759 STEXI
 760 @item pmemsave @var{addr} @var{size} @var{file}
 761 @findex pmemsave
 762 save to disk physical memory dump starting at @var{addr} of size @var{size}.
 763 ETEXI
 764
 765     {
 766         .name       = "boot_set",
 767         .args_type  = "bootdevice:s",
 768         .params     = "bootdevice",
 769         .help       = "define new values for the boot device list",
 770         .mhandler.cmd = do_boot_set,
 771     },
 772
 773 STEXI
 774 @item boot_set @var{bootdevicelist}
 775 @findex boot_set
 776
 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.
 779
 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.
 782 ETEXI
 783
 784 #if defined(TARGET_I386)
 785     {
 786         .name       = "nmi",
 787         .args_type  = "",
 788         .params     = "",
 789         .help       = "inject an NMI on all guest's CPUs",
 790         .mhandler.cmd = hmp_inject_nmi,
 791     },
 792 #endif
 793 STEXI
 794 @item nmi @var{cpu}
 795 @findex nmi
 796 Inject an NMI on the given CPU (x86 only).
 797 ETEXI
 798
 799     {
 800         .name       = "migrate",
 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,
 809     },
 810
 811
 812 STEXI
 813 @item migrate [-d] [-b] [-i] @var{uri}
 814 @findex migrate
 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)
 818 ETEXI
 819
 820     {
 821         .name       = "migrate_cancel",
 822         .args_type  = "",
 823         .params     = "",
 824         .help       = "cancel the current VM migration",
 825         .mhandler.cmd = hmp_migrate_cancel,
 826     },
 827
 828 STEXI
 829 @item migrate_cancel
 830 @findex migrate_cancel
 831 Cancel the current VM migration.
 832 ETEXI
 833
 834     {
 835         .name       = "migrate_set_speed",
 836         .args_type  = "value:o",
 837         .params     = "value",
 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,
 841     },
 842
 843 STEXI
 844 @item migrate_set_speed @var{value}
 845 @findex migrate_set_speed
 846 Set maximum speed to @var{value} (in bytes) for migrations.
 847 ETEXI
 848
 849     {
 850         .name       = "migrate_set_downtime",
 851         .args_type  = "value:T",
 852         .params     = "value",
 853         .help       = "set maximum tolerated downtime (in seconds) for migrations",
 854         .mhandler.cmd = hmp_migrate_set_downtime,
 855     },
 856
 857 STEXI
 858 @item migrate_set_downtime @var{second}
 859 @findex migrate_set_downtime
 860 Set maximum tolerated downtime (in seconds) for migration.
 861 ETEXI
 862
 863     {
 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,
 871     },
 872
 873 STEXI
 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.
 879 ETEXI
 880
 881 #if defined(CONFIG_HAVE_CORE_DUMP)
 882     {
 883         .name       = "dump-guest-memory",
 884         .args_type  = "paging:-p,protocol:s,begin:i?,length:i?",
 885         .params     = "[-p] protocol [begin] [length]",
 886         .help       = "dump guest memory to file"
 887                       "\n\t\t\t begin(optional): the starting physical address"
 888                       "\n\t\t\t length(optional): the memory size, in bytes",
 889         .user_print = monitor_user_noop,
 890         .mhandler.cmd = hmp_dump_guest_memory,
 891     },
 892
 893
 894 STEXI
 895 @item dump-guest-memory [-p] @var{protocol} @var{begin} @var{length}
 896 @findex dump-guest-memory
 897 Dump guest memory to @var{protocol}. The file can be processed with crash or
 898 gdb.
 899   protocol: destination file(started with "file:") or destination file
 900             descriptor (started with "fd:")
 901     paging: do paging to get guest's memory mapping
 902      begin: the starting physical address. It's optional, and should be
 903             specified with length together.
 904     length: the memory size, in bytes. It's optional, and should be specified
 905             with begin together.
 906 ETEXI
 907 #endif
 908
 909     {
 910         .name       = "snapshot_blkdev",
 911         .args_type  = "reuse:-n,device:B,snapshot-file:s?,format:s?",
 912         .params     = "[-n] device [new-image-file] [format]",
 913         .help       = "initiates a live snapshot\n\t\t\t"
 914                       "of device. If a new image file is specified, the\n\t\t\t"
 915                       "new image file will become the new root image.\n\t\t\t"
 916                       "If format is specified, the snapshot file will\n\t\t\t"
 917                       "be created in that format. Otherwise the\n\t\t\t"
 918                       "snapshot will be internal! (currently unsupported).\n\t\t\t"
 919                       "The default format is qcow2.  The -n flag requests QEMU\n\t\t\t"
 920                       "to reuse the image found in new-image-file, instead of\n\t\t\t"
 921                       "recreating it from scratch.",
 922         .mhandler.cmd = hmp_snapshot_blkdev,
 923     },
 924
 925 STEXI
 926 @item snapshot_blkdev
 927 @findex snapshot_blkdev
 928 Snapshot device, using snapshot file as target if provided
 929 ETEXI
 930
 931     {
 932         .name       = "drive_add",
 933         .args_type  = "pci_addr:s,opts:s",
 934         .params     = "[[<domain>:]<bus>:]<slot>\n"
 935                       "[file=file][,if=type][,bus=n]\n"
 936                       "[,unit=m][,media=d][,index=i]\n"
 937                       "[,cyls=c,heads=h,secs=s[,trans=t]]\n"
 938                       "[,snapshot=on|off][,cache=on|off]\n"
 939                       "[,readonly=on|off][,copy-on-read=on|off]",
 940         .help       = "add drive to PCI storage controller",
 941         .mhandler.cmd = drive_hot_add,
 942     },
 943
 944 STEXI
 945 @item drive_add
 946 @findex drive_add
 947 Add drive to PCI storage controller.
 948 ETEXI
 949
 950 #if defined(TARGET_I386)
 951     {
 952         .name       = "pci_add",
 953         .args_type  = "pci_addr:s,type:s,opts:s?",
 954         .params     = "auto|[[<domain>:]<bus>:]<slot> nic|storage [[vlan=n][,macaddr=addr][,model=type]] [file=file][,if=type][,bus=nr]...",
 955         .help       = "hot-add PCI device",
 956         .mhandler.cmd = pci_device_hot_add,
 957     },
 958 #endif
 959
 960 STEXI
 961 @item pci_add
 962 @findex pci_add
 963 Hot-add PCI device.
 964 ETEXI
 965
 966 #if defined(TARGET_I386)
 967     {
 968         .name       = "pci_del",
 969         .args_type  = "pci_addr:s",
 970         .params     = "[[<domain>:]<bus>:]<slot>",
 971         .help       = "hot remove PCI device",
 972         .mhandler.cmd = do_pci_device_hot_remove,
 973     },
 974 #endif
 975
 976 STEXI
 977 @item pci_del
 978 @findex pci_del
 979 Hot remove PCI device.
 980 ETEXI
 981
 982     {
 983         .name       = "pcie_aer_inject_error",
 984         .args_type  = "advisory_non_fatal:-a,correctable:-c,"
 985                       "id:s,error_status:s,"
 986                       "header0:i?,header1:i?,header2:i?,header3:i?,"
 987                       "prefix0:i?,prefix1:i?,prefix2:i?,prefix3:i?",
 988         .params     = "[-a] [-c] id "
 989                       "<error_status> [<tlp header> [<tlp header prefix>]]",
 990         .help       = "inject pcie aer error\n\t\t\t"
 991                       " -a for advisory non fatal error\n\t\t\t"
 992                       " -c for correctable error\n\t\t\t"
 993                       "<id> = qdev device id\n\t\t\t"
 994                       "<error_status> = error string or 32bit\n\t\t\t"
 995                       "<tlb header> = 32bit x 4\n\t\t\t"
 996                       "<tlb header prefix> = 32bit x 4",
 997         .user_print  = pcie_aer_inject_error_print,
 998         .mhandler.cmd_new = do_pcie_aer_inject_error,
 999     },
1000
1001 STEXI
1002 @item pcie_aer_inject_error
1003 @findex pcie_aer_inject_error
1004 Inject PCIe AER error
1005 ETEXI
1006
1007     {
1008         .name       = "host_net_add",
1009         .args_type  = "device:s,opts:s?",
1010         .params     = "tap|user|socket|vde|dump [options]",
1011         .help       = "add host VLAN client",
1012         .mhandler.cmd = net_host_device_add,
1013     },
1014
1015 STEXI
1016 @item host_net_add
1017 @findex host_net_add
1018 Add host VLAN client.
1019 ETEXI
1020
1021     {
1022         .name       = "host_net_remove",
1023         .args_type  = "vlan_id:i,device:s",
1024         .params     = "vlan_id name",
1025         .help       = "remove host VLAN client",
1026         .mhandler.cmd = net_host_device_remove,
1027     },
1028
1029 STEXI
1030 @item host_net_remove
1031 @findex host_net_remove
1032 Remove host VLAN client.
1033 ETEXI
1034
1035     {
1036         .name       = "netdev_add",
1037         .args_type  = "netdev:O",
1038         .params     = "[user|tap|socket],id=str[,prop=value][,...]",
1039         .help       = "add host network device",
1040         .mhandler.cmd = hmp_netdev_add,
1041     },
1042
1043 STEXI
1044 @item netdev_add
1045 @findex netdev_add
1046 Add host network device.
1047 ETEXI
1048
1049     {
1050         .name       = "netdev_del",
1051         .args_type  = "id:s",
1052         .params     = "id",
1053         .help       = "remove host network device",
1054         .mhandler.cmd = hmp_netdev_del,
1055     },
1056
1057 STEXI
1058 @item netdev_del
1059 @findex netdev_del
1060 Remove host network device.
1061 ETEXI
1062
1063 #ifdef CONFIG_SLIRP
1064     {
1065         .name       = "hostfwd_add",
1066         .args_type  = "arg1:s,arg2:s?,arg3:s?",
1067         .params     = "[vlan_id name] [tcp|udp]:[hostaddr]:hostport-[guestaddr]:guestport",
1068         .help       = "redirect TCP or UDP connections from host to guest (requires -net user)",
1069         .mhandler.cmd = net_slirp_hostfwd_add,
1070     },
1071 #endif
1072 STEXI
1073 @item hostfwd_add
1074 @findex hostfwd_add
1075 Redirect TCP or UDP connections from host to guest (requires -net user).
1076 ETEXI
1077
1078 #ifdef CONFIG_SLIRP
1079     {
1080         .name       = "hostfwd_remove",
1081         .args_type  = "arg1:s,arg2:s?,arg3:s?",
1082         .params     = "[vlan_id name] [tcp|udp]:[hostaddr]:hostport",
1083         .help       = "remove host-to-guest TCP or UDP redirection",
1084         .mhandler.cmd = net_slirp_hostfwd_remove,
1085     },
1086
1087 #endif
1088 STEXI
1089 @item hostfwd_remove
1090 @findex hostfwd_remove
1091 Remove host-to-guest TCP or UDP redirection.
1092 ETEXI
1093
1094     {
1095         .name       = "balloon",
1096         .args_type  = "value:M",
1097         .params     = "target",
1098         .help       = "request VM to change its memory allocation (in MB)",
1099         .mhandler.cmd = hmp_balloon,
1100     },
1101
1102 STEXI
1103 @item balloon @var{value}
1104 @findex balloon
1105 Request VM to change its memory allocation to @var{value} (in MB).
1106 ETEXI
1107
1108     {
1109         .name       = "set_link",
1110         .args_type  = "name:s,up:b",
1111         .params     = "name on|off",
1112         .help       = "change the link status of a network adapter",
1113         .mhandler.cmd = hmp_set_link,
1114     },
1115
1116 STEXI
1117 @item set_link @var{name} [on|off]
1118 @findex set_link
1119 Switch link @var{name} on (i.e. up) or off (i.e. down).
1120 ETEXI
1121
1122     {
1123         .name       = "watchdog_action",
1124         .args_type  = "action:s",
1125         .params     = "[reset|shutdown|poweroff|pause|debug|none]",
1126         .help       = "change watchdog action",
1127         .mhandler.cmd = do_watchdog_action,
1128     },
1129
1130 STEXI
1131 @item watchdog_action
1132 @findex watchdog_action
1133 Change watchdog action.
1134 ETEXI
1135
1136     {
1137         .name       = "acl_show",
1138         .args_type  = "aclname:s",
1139         .params     = "aclname",
1140         .help       = "list rules in the access control list",
1141         .mhandler.cmd = do_acl_show,
1142     },
1143
1144 STEXI
1145 @item acl_show @var{aclname}
1146 @findex acl_show
1147 List all the matching rules in the access control list, and the default
1148 policy. There are currently two named access control lists,
1149 @var{vnc.x509dname} and @var{vnc.username} matching on the x509 client
1150 certificate distinguished name, and SASL username respectively.
1151 ETEXI
1152
1153     {
1154         .name       = "acl_policy",
1155         .args_type  = "aclname:s,policy:s",
1156         .params     = "aclname allow|deny",
1157         .help       = "set default access control list policy",
1158         .mhandler.cmd = do_acl_policy,
1159     },
1160
1161 STEXI
1162 @item acl_policy @var{aclname} @code{allow|deny}
1163 @findex acl_policy
1164 Set the default access control list policy, used in the event that
1165 none of the explicit rules match. The default policy at startup is
1166 always @code{deny}.
1167 ETEXI
1168
1169     {
1170         .name       = "acl_add",
1171         .args_type  = "aclname:s,match:s,policy:s,index:i?",
1172         .params     = "aclname match allow|deny [index]",
1173         .help       = "add a match rule to the access control list",
1174         .mhandler.cmd = do_acl_add,
1175     },
1176
1177 STEXI
1178 @item acl_add @var{aclname} @var{match} @code{allow|deny} [@var{index}]
1179 @findex acl_add
1180 Add a match rule to the access control list, allowing or denying access.
1181 The match will normally be an exact username or x509 distinguished name,
1182 but can optionally include wildcard globs. eg @code{*@@EXAMPLE.COM} to
1183 allow all users in the @code{EXAMPLE.COM} kerberos realm. The match will
1184 normally be appended to the end of the ACL, but can be inserted
1185 earlier in the list if the optional @var{index} parameter is supplied.
1186 ETEXI
1187
1188     {
1189         .name       = "acl_remove",
1190         .args_type  = "aclname:s,match:s",
1191         .params     = "aclname match",
1192         .help       = "remove a match rule from the access control list",
1193         .mhandler.cmd = do_acl_remove,
1194     },
1195
1196 STEXI
1197 @item acl_remove @var{aclname} @var{match}
1198 @findex acl_remove
1199 Remove the specified match rule from the access control list.
1200 ETEXI
1201
1202     {
1203         .name       = "acl_reset",
1204         .args_type  = "aclname:s",
1205         .params     = "aclname",
1206         .help       = "reset the access control list",
1207         .mhandler.cmd = do_acl_reset,
1208     },
1209
1210 STEXI
1211 @item acl_reset @var{aclname}
1212 @findex acl_reset
1213 Remove all matches from the access control list, and set the default
1214 policy back to @code{deny}.
1215 ETEXI
1216
1217 #if defined(TARGET_I386)
1218
1219     {
1220         .name       = "mce",
1221         .args_type  = "broadcast:-b,cpu_index:i,bank:i,status:l,mcg_status:l,addr:l,misc:l",
1222         .params     = "[-b] cpu bank status mcgstatus addr misc",
1223         .help       = "inject a MCE on the given CPU [and broadcast to other CPUs with -b option]",
1224         .mhandler.cmd = do_inject_mce,
1225     },
1226
1227 #endif
1228 STEXI
1229 @item mce @var{cpu} @var{bank} @var{status} @var{mcgstatus} @var{addr} @var{misc}
1230 @findex mce (x86)
1231 Inject an MCE on the given CPU (x86 only).
1232 ETEXI
1233
1234     {
1235         .name       = "getfd",
1236         .args_type  = "fdname:s",
1237         .params     = "getfd name",
1238         .help       = "receive a file descriptor via SCM rights and assign it a name",
1239         .user_print = monitor_user_noop,
1240         .mhandler.cmd_new = do_getfd,
1241     },
1242
1243 STEXI
1244 @item getfd @var{fdname}
1245 @findex getfd
1246 If a file descriptor is passed alongside this command using the SCM_RIGHTS
1247 mechanism on unix sockets, it is stored using the name @var{fdname} for
1248 later use by other monitor commands.
1249 ETEXI
1250
1251     {
1252         .name       = "closefd",
1253         .args_type  = "fdname:s",
1254         .params     = "closefd name",
1255         .help       = "close a file descriptor previously passed via SCM rights",
1256         .user_print = monitor_user_noop,
1257         .mhandler.cmd_new = do_closefd,
1258     },
1259
1260 STEXI
1261 @item closefd @var{fdname}
1262 @findex closefd
1263 Close the file descriptor previously assigned to @var{fdname} using the
1264 @code{getfd} command. This is only needed if the file descriptor was never
1265 used by another monitor command.
1266 ETEXI
1267
1268     {
1269         .name       = "block_passwd",
1270         .args_type  = "device:B,password:s",
1271         .params     = "block_passwd device password",
1272         .help       = "set the password of encrypted block devices",
1273         .mhandler.cmd = hmp_block_passwd,
1274     },
1275
1276 STEXI
1277 @item block_set_io_throttle @var{device} @var{bps} @var{bps_rd} @var{bps_wr} @var{iops} @var{iops_rd} @var{iops_wr}
1278 @findex block_set_io_throttle
1279 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}
1280 ETEXI
1281
1282     {
1283         .name       = "block_set_io_throttle",
1284         .args_type  = "device:B,bps:l,bps_rd:l,bps_wr:l,iops:l,iops_rd:l,iops_wr:l",
1285         .params     = "device bps bps_rd bps_wr iops iops_rd iops_wr",
1286         .help       = "change I/O throttle limits for a block drive",
1287         .mhandler.cmd = hmp_block_set_io_throttle,
1288     },
1289
1290 STEXI
1291 @item block_passwd @var{device} @var{password}
1292 @findex block_passwd
1293 Set the encrypted device @var{device} password to @var{password}
1294 ETEXI
1295
1296     {
1297         .name       = "set_password",
1298         .args_type  = "protocol:s,password:s,connected:s?",
1299         .params     = "protocol password action-if-connected",
1300         .help       = "set spice/vnc password",
1301         .mhandler.cmd = hmp_set_password,
1302     },
1303
1304 STEXI
1305 @item set_password [ vnc | spice ] password [ action-if-connected ]
1306 @findex set_password
1307
1308 Change spice/vnc password.  Use zero to make the password stay valid
1309 forever.  @var{action-if-connected} specifies what should happen in
1310 case a connection is established: @var{fail} makes the password change
1311 fail.  @var{disconnect} changes the password and disconnects the
1312 client.  @var{keep} changes the password and keeps the connection up.
1313 @var{keep} is the default.
1314 ETEXI
1315
1316     {
1317         .name       = "expire_password",
1318         .args_type  = "protocol:s,time:s",
1319         .params     = "protocol time",
1320         .help       = "set spice/vnc password expire-time",
1321         .mhandler.cmd = hmp_expire_password,
1322     },
1323
1324 STEXI
1325 @item expire_password [ vnc | spice ] expire-time
1326 @findex expire_password
1327
1328 Specify when a password for spice/vnc becomes
1329 invalid. @var{expire-time} accepts:
1330
1331 @table @var
1332 @item now
1333 Invalidate password instantly.
1334
1335 @item never
1336 Password stays valid forever.
1337
1338 @item +nsec
1339 Password stays valid for @var{nsec} seconds starting now.
1340
1341 @item nsec
1342 Password is invalidated at the given time.  @var{nsec} are the seconds
1343 passed since 1970, i.e. unix epoch.
1344
1345 @end table
1346 ETEXI
1347
1348     {
1349         .name       = "info",
1350         .args_type  = "item:s?",
1351         .params     = "[subcommand]",
1352         .help       = "show various information about the system state",
1353         .mhandler.cmd = do_info,
1354     },
1355
1356 STEXI
1357 @item info @var{subcommand}
1358 @findex info
1359 Show various information about the system state.
1360
1361 @table @option
1362 @item info version
1363 show the version of QEMU
1364 @item info network
1365 show the various VLANs and the associated devices
1366 @item info chardev
1367 show the character devices
1368 @item info block
1369 show the block devices
1370 @item info blockstats
1371 show block device statistics
1372 @item info registers
1373 show the cpu registers
1374 @item info cpus
1375 show infos for each CPU
1376 @item info history
1377 show the command line history
1378 @item info irq
1379 show the interrupts statistics (if available)
1380 @item info pic
1381 show i8259 (PIC) state
1382 @item info pci
1383 show emulated PCI device info
1384 @item info tlb
1385 show virtual to physical memory mappings (i386, SH4, SPARC, PPC, and Xtensa only)
1386 @item info mem
1387 show the active virtual memory mappings (i386 only)
1388 @item info jit
1389 show dynamic compiler info
1390 @item info numa
1391 show NUMA information
1392 @item info kvm
1393 show KVM information
1394 @item info usb
1395 show USB devices plugged on the virtual USB hub
1396 @item info usbhost
1397 show all USB host devices
1398 @item info profile
1399 show profiling information
1400 @item info capture
1401 show information about active capturing
1402 @item info snapshots
1403 show list of VM snapshots
1404 @item info status
1405 show the current VM status (running|paused)
1406 @item info pcmcia
1407 show guest PCMCIA status
1408 @item info mice
1409 show which guest mouse is receiving events
1410 @item info vnc
1411 show the vnc server status
1412 @item info name
1413 show the current VM name
1414 @item info uuid
1415 show the current VM UUID
1416 @item info cpustats
1417 show CPU statistics
1418 @item info usernet
1419 show user network stack connection states
1420 @item info migrate
1421 show migration status
1422 @item info balloon
1423 show balloon information
1424 @item info qtree
1425 show device tree
1426 @item info qdm
1427 show qdev device model list
1428 @item info roms
1429 show roms
1430 @end table
1431 ETEXI
1432
1433 #ifdef CONFIG_TRACE_SIMPLE
1434 STEXI
1435 @item info trace
1436 show contents of trace buffer
1437 ETEXI
1438 #endif
1439
1440 STEXI
1441 @item info trace-events
1442 show available trace events and their state
1443 ETEXI
1444
1445 STEXI
1446 @end table
1447 ETEXI