qemu-monitor.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     { "help|?", "s?", help_cmd, "[cmd]", "show the help" },
  13 STEXI
  14 @item help or ? [@var{cmd}]
  15 Show the help for all commands or just for command @var{cmd}.
  16 ETEXI
  17
  18     { "commit", "s", do_commit,
  19       "device|all", "commit changes to the disk images (if -snapshot is used) or backing files" },
  20 STEXI
  21 @item commit
  22 Commit changes to the disk images (if -snapshot is used) or backing files.
  23 ETEXI
  24
  25     { "info", "s?", do_info,
  26       "[subcommand]", "show various information about the system state" },
  27 STEXI
  28 @item info @var{subcommand}
  29 Show various information about the system state.
  30
  31 @table @option
  32 @item info version
  33 show the version of QEMU
  34 @item info network
  35 show the various VLANs and the associated devices
  36 @item info chardev
  37 show the character devices
  38 @item info block
  39 show the block devices
  40 @item info block
  41 show block device statistics
  42 @item info registers
  43 show the cpu registers
  44 @item info cpus
  45 show infos for each CPU
  46 @item info history
  47 show the command line history
  48 @item info irq
  49 show the interrupts statistics (if available)
  50 @item info pic
  51 show i8259 (PIC) state
  52 @item info pci
  53 show emulated PCI device info
  54 @item info tlb
  55 show virtual to physical memory mappings (i386 only)
  56 @item info mem
  57 show the active virtual memory mappings (i386 only)
  58 @item info hpet
  59 show state of HPET (i386 only)
  60 @item info kqemu
  61 show KQEMU information
  62 @item info kvm
  63 show KVM information
  64 @item info usb
  65 show USB devices plugged on the virtual USB hub
  66 @item info usbhost
  67 show all USB host devices
  68 @item info profile
  69 show profiling information
  70 @item info capture
  71 show information about active capturing
  72 @item info snapshots
  73 show list of VM snapshots
  74 @item info status
  75 show the current VM status (running|paused)
  76 @item info pcmcia
  77 show guest PCMCIA status
  78 @item info mice
  79 show which guest mouse is receiving events
  80 @item info vnc
  81 show the vnc server status
  82 @item info name
  83 show the current VM name
  84 @item info uuid
  85 show the current VM UUID
  86 @item info cpustats
  87 show CPU statistics
  88 @item info usernet
  89 show user network stack connection states
  90 @item info migrate
  91 show migration status
  92 @item info balloon
  93 show balloon information
  94 @item info qtree
  95 show device tree
  96 @end table
  97 ETEXI
  98
  99     { "q|quit", "", do_quit,
 100       "", "quit the emulator" },
 101 STEXI
 102 @item q or quit
 103 Quit the emulator.
 104 ETEXI
 105
 106     { "eject", "-fB", do_eject,
 107       "[-f] device", "eject a removable medium (use -f to force it)" },
 108 STEXI
 109 @item eject [-f] @var{device}
 110 Eject a removable medium (use -f to force it).
 111 ETEXI
 112
 113     { "change", "BFs?", do_change,
 114       "device filename [format]", "change a removable medium, optional format" },
 115 STEXI
 116 @item change @var{device} @var{setting}
 117
 118 Change the configuration of a device.
 119
 120 @table @option
 121 @item change @var{diskdevice} @var{filename} [@var{format}]
 122 Change the medium for a removable disk device to point to @var{filename}. eg
 123
 124 @example
 125 (qemu) change ide1-cd0 /path/to/some.iso
 126 @end example
 127
 128 @var{format} is optional.
 129
 130 @item change vnc @var{display},@var{options}
 131 Change the configuration of the VNC server. The valid syntax for @var{display}
 132 and @var{options} are described at @ref{sec_invocation}. eg
 133
 134 @example
 135 (qemu) change vnc localhost:1
 136 @end example
 137
 138 @item change vnc password [@var{password}]
 139
 140 Change the password associated with the VNC server. If the new password is not
 141 supplied, the monitor will prompt for it to be entered. VNC passwords are only
 142 significant up to 8 letters. eg
 143
 144 @example
 145 (qemu) change vnc password
 146 Password: ********
 147 @end example
 148
 149 @end table
 150 ETEXI
 151
 152     { "screendump", "F", do_screen_dump,
 153       "filename", "save screen into PPM image 'filename'" },
 154 STEXI
 155 @item screendump @var{filename}
 156 Save screen into PPM image @var{filename}.
 157 ETEXI
 158
 159     { "logfile", "F", do_logfile,
 160       "filename", "output logs to 'filename'" },
 161 STEXI
 162 @item logfile @var{filename}
 163 Output logs to @var{filename}.
 164 ETEXI
 165
 166     { "log", "s", do_log,
 167       "item1[,...]", "activate logging of the specified items to '/tmp/qemu.log'" },
 168 STEXI
 169 @item log @var{item1}[,...]
 170 Activate logging of the specified items to @file{/tmp/qemu.log}.
 171 ETEXI
 172
 173     { "savevm", "s?", do_savevm,
 174       "[tag|id]", "save a VM snapshot. If no tag or id are provided, a new snapshot is created" },
 175 STEXI
 176 @item savevm [@var{tag}|@var{id}]
 177 Create a snapshot of the whole virtual machine. If @var{tag} is
 178 provided, it is used as human readable identifier. If there is already
 179 a snapshot with the same tag or ID, it is replaced. More info at
 180 @ref{vm_snapshots}.
 181 ETEXI
 182
 183     { "loadvm", "s", do_loadvm,
 184       "tag|id", "restore a VM snapshot from its tag or id" },
 185 STEXI
 186 @item loadvm @var{tag}|@var{id}
 187 Set the whole virtual machine to the snapshot identified by the tag
 188 @var{tag} or the unique snapshot ID @var{id}.
 189 ETEXI
 190
 191     { "delvm", "s", do_delvm,
 192       "tag|id", "delete a VM snapshot from its tag or id" },
 193 STEXI
 194 @item delvm @var{tag}|@var{id}
 195 Delete the snapshot identified by @var{tag} or @var{id}.
 196 ETEXI
 197
 198     { "singlestep", "s?", do_singlestep,
 199       "[on|off]", "run emulation in singlestep mode or switch to normal mode", },
 200 STEXI
 201 @item singlestep [off]
 202 Run the emulation in single step mode.
 203 If called with option off, the emulation returns to normal mode.
 204 ETEXI
 205
 206     { "stop", "", do_stop,
 207       "", "stop emulation", },
 208 STEXI
 209 @item stop
 210 Stop emulation.
 211 ETEXI
 212
 213     { "c|cont", "", do_cont,
 214       "", "resume emulation", },
 215 STEXI
 216 @item c or cont
 217 Resume emulation.
 218 ETEXI
 219
 220     { "gdbserver", "s?", do_gdbserver,
 221       "[device]", "start gdbserver on given device (default 'tcp::1234'), stop with 'none'", },
 222 STEXI
 223 @item gdbserver [@var{port}]
 224 Start gdbserver session (default @var{port}=1234)
 225 ETEXI
 226
 227     { "x", "/l", do_memory_dump,
 228       "/fmt addr", "virtual memory dump starting at 'addr'", },
 229 STEXI
 230 @item x/fmt @var{addr}
 231 Virtual memory dump starting at @var{addr}.
 232 ETEXI
 233
 234     { "xp", "/l", do_physical_memory_dump,
 235       "/fmt addr", "physical memory dump starting at 'addr'", },
 236 STEXI
 237 @item xp /@var{fmt} @var{addr}
 238 Physical memory dump starting at @var{addr}.
 239
 240 @var{fmt} is a format which tells the command how to format the
 241 data. Its syntax is: @option{/@{count@}@{format@}@{size@}}
 242
 243 @table @var
 244 @item count
 245 is the number of items to be dumped.
 246
 247 @item format
 248 can be x (hex), d (signed decimal), u (unsigned decimal), o (octal),
 249 c (char) or i (asm instruction).
 250
 251 @item size
 252 can be b (8 bits), h (16 bits), w (32 bits) or g (64 bits). On x86,
 253 @code{h} or @code{w} can be specified with the @code{i} format to
 254 respectively select 16 or 32 bit code instruction size.
 255
 256 @end table
 257
 258 Examples:
 259 @itemize
 260 @item
 261 Dump 10 instructions at the current instruction pointer:
 262 @example
 263 (qemu) x/10i $eip
 264 0x90107063:  ret
 265 0x90107064:  sti
 266 0x90107065:  lea    0x0(%esi,1),%esi
 267 0x90107069:  lea    0x0(%edi,1),%edi
 268 0x90107070:  ret
 269 0x90107071:  jmp    0x90107080
 270 0x90107073:  nop
 271 0x90107074:  nop
 272 0x90107075:  nop
 273 0x90107076:  nop
 274 @end example
 275
 276 @item
 277 Dump 80 16 bit values at the start of the video memory.
 278 @smallexample
 279 (qemu) xp/80hx 0xb8000
 280 0x000b8000: 0x0b50 0x0b6c 0x0b65 0x0b78 0x0b38 0x0b36 0x0b2f 0x0b42
 281 0x000b8010: 0x0b6f 0x0b63 0x0b68 0x0b73 0x0b20 0x0b56 0x0b47 0x0b41
 282 0x000b8020: 0x0b42 0x0b69 0x0b6f 0x0b73 0x0b20 0x0b63 0x0b75 0x0b72
 283 0x000b8030: 0x0b72 0x0b65 0x0b6e 0x0b74 0x0b2d 0x0b63 0x0b76 0x0b73
 284 0x000b8040: 0x0b20 0x0b30 0x0b35 0x0b20 0x0b4e 0x0b6f 0x0b76 0x0b20
 285 0x000b8050: 0x0b32 0x0b30 0x0b30 0x0b33 0x0720 0x0720 0x0720 0x0720
 286 0x000b8060: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
 287 0x000b8070: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
 288 0x000b8080: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
 289 0x000b8090: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720
 290 @end smallexample
 291 @end itemize
 292 ETEXI
 293
 294     { "p|print", "/l", do_print,
 295       "/fmt expr", "print expression value (use $reg for CPU register access)", },
 296 STEXI
 297 @item p or print/@var{fmt} @var{expr}
 298
 299 Print expression value. Only the @var{format} part of @var{fmt} is
 300 used.
 301 ETEXI
 302
 303     { "i", "/ii.", do_ioport_read,
 304       "/fmt addr", "I/O port read" },
 305 STEXI
 306 Read I/O port.
 307 ETEXI
 308
 309
 310     { "sendkey", "si?", do_sendkey,
 311       "keys [hold_ms]", "send keys to the VM (e.g. 'sendkey ctrl-alt-f1', default hold time=100 ms)" },
 312 STEXI
 313 @item sendkey @var{keys}
 314
 315 Send @var{keys} to the emulator. @var{keys} could be the name of the
 316 key or @code{#} followed by the raw value in either decimal or hexadecimal
 317 format. Use @code{-} to press several keys simultaneously. Example:
 318 @example
 319 sendkey ctrl-alt-f1
 320 @end example
 321
 322 This command is useful to send keys that your graphical user interface
 323 intercepts at low level, such as @code{ctrl-alt-f1} in X Window.
 324 ETEXI
 325
 326     { "system_reset", "", do_system_reset,
 327       "", "reset the system" },
 328 STEXI
 329 @item system_reset
 330
 331 Reset the system.
 332 ETEXI
 333
 334     { "system_powerdown", "", do_system_powerdown,
 335       "", "send system power down event" },
 336 STEXI
 337 @item system_powerdown
 338
 339 Power down the system (if supported).
 340 ETEXI
 341
 342     { "sum", "ii", do_sum,
 343       "addr size", "compute the checksum of a memory region" },
 344 STEXI
 345 @item sum @var{addr} @var{size}
 346
 347 Compute the checksum of a memory region.
 348 ETEXI
 349
 350     { "usb_add", "s", do_usb_add,
 351       "device", "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')" },
 352 STEXI
 353 @item usb_add @var{devname}
 354
 355 Add the USB device @var{devname}.  For details of available devices see
 356 @ref{usb_devices}
 357 ETEXI
 358
 359     { "usb_del", "s", do_usb_del,
 360       "device", "remove USB device 'bus.addr'" },
 361 STEXI
 362 @item usb_del @var{devname}
 363
 364 Remove the USB device @var{devname} from the QEMU virtual USB
 365 hub. @var{devname} has the syntax @code{bus.addr}. Use the monitor
 366 command @code{info usb} to see the devices you can remove.
 367 ETEXI
 368
 369     { "cpu", "i", do_cpu_set,
 370       "index", "set the default CPU" },
 371 STEXI
 372 Set the default CPU.
 373 ETEXI
 374
 375     { "mouse_move", "sss?", do_mouse_move,
 376       "dx dy [dz]", "send mouse move events" },
 377 STEXI
 378 @item mouse_move @var{dx} @var{dy} [@var{dz}]
 379 Move the active mouse to the specified coordinates @var{dx} @var{dy}
 380 with optional scroll axis @var{dz}.
 381 ETEXI
 382
 383     { "mouse_button", "i", do_mouse_button,
 384       "state", "change mouse button state (1=L, 2=M, 4=R)" },
 385 STEXI
 386 @item mouse_button @var{val}
 387 Change the active mouse button state @var{val} (1=L, 2=M, 4=R).
 388 ETEXI
 389
 390     { "mouse_set", "i", do_mouse_set,
 391       "index", "set which mouse device receives events" },
 392 STEXI
 393 @item mouse_set @var{index}
 394 Set which mouse device receives events at given @var{index}, index
 395 can be obtained with
 396 @example
 397 info mice
 398 @end example
 399 ETEXI
 400
 401 #ifdef HAS_AUDIO
 402     { "wavcapture", "si?i?i?", do_wav_capture,
 403       "path [frequency [bits [channels]]]",
 404       "capture audio to a wave file (default frequency=44100 bits=16 channels=2)" },
 405 #endif
 406 STEXI
 407 @item wavcapture @var{filename} [@var{frequency} [@var{bits} [@var{channels}]]]
 408 Capture audio into @var{filename}. Using sample rate @var{frequency}
 409 bits per sample @var{bits} and number of channels @var{channels}.
 410
 411 Defaults:
 412 @itemize @minus
 413 @item Sample rate = 44100 Hz - CD quality
 414 @item Bits = 16
 415 @item Number of channels = 2 - Stereo
 416 @end itemize
 417 ETEXI
 418
 419 #ifdef HAS_AUDIO
 420     { "stopcapture", "i", do_stop_capture,
 421       "capture index", "stop capture" },
 422 #endif
 423 STEXI
 424 @item stopcapture @var{index}
 425 Stop capture with a given @var{index}, index can be obtained with
 426 @example
 427 info capture
 428 @end example
 429 ETEXI
 430
 431     { "memsave", "lis", do_memory_save,
 432       "addr size file", "save to disk virtual memory dump starting at 'addr' of size 'size'", },
 433 STEXI
 434 @item memsave @var{addr} @var{size} @var{file}
 435 save to disk virtual memory dump starting at @var{addr} of size @var{size}.
 436 ETEXI
 437
 438     { "pmemsave", "lis", do_physical_memory_save,
 439       "addr size file", "save to disk physical memory dump starting at 'addr' of size 'size'", },
 440 STEXI
 441 @item pmemsave @var{addr} @var{size} @var{file}
 442 save to disk physical memory dump starting at @var{addr} of size @var{size}.
 443 ETEXI
 444
 445     { "boot_set", "s", do_boot_set,
 446       "bootdevice", "define new values for the boot device list" },
 447 STEXI
 448 @item boot_set @var{bootdevicelist}
 449
 450 Define new values for the boot device list. Those values will override
 451 the values specified on the command line through the @code{-boot} option.
 452
 453 The values that can be specified here depend on the machine type, but are
 454 the same that can be specified in the @code{-boot} command line option.
 455 ETEXI
 456
 457 #if defined(TARGET_I386)
 458     { "nmi", "i", do_inject_nmi,
 459       "cpu", "inject an NMI on the given CPU", },
 460 #endif
 461 STEXI
 462 @item nmi @var{cpu}
 463 Inject an NMI on the given CPU (x86 only).
 464 ETEXI
 465
 466     { "migrate", "-ds", do_migrate,
 467       "[-d] uri", "migrate to URI (using -d to not wait for completion)" },
 468 STEXI
 469 @item migrate [-d] @var{uri}
 470 Migrate to @var{uri} (using -d to not wait for completion).
 471 ETEXI
 472
 473     { "migrate_cancel", "", do_migrate_cancel,
 474       "", "cancel the current VM migration" },
 475 STEXI
 476 @item migrate_cancel
 477 Cancel the current VM migration.
 478 ETEXI
 479
 480     { "migrate_set_speed", "s", do_migrate_set_speed,
 481       "value", "set maximum speed (in bytes) for migrations" },
 482 STEXI
 483 @item migrate_set_speed @var{value}
 484 Set maximum speed to @var{value} (in bytes) for migrations.
 485 ETEXI
 486
 487     { "migrate_set_downtime", "s", do_migrate_set_downtime,
 488       "value", "set maximum tolerated downtime (in seconds) for migrations" },
 489
 490 STEXI
 491 @item migrate_set_downtime @var{second}
 492 Set maximum tolerated downtime (in seconds) for migration.
 493 ETEXI
 494
 495 #if defined(TARGET_I386)
 496     { "drive_add", "ss", drive_hot_add, "[[<domain>:]<bus>:]<slot>\n"
 497                                          "[file=file][,if=type][,bus=n]\n"
 498                                         "[,unit=m][,media=d][index=i]\n"
 499                                         "[,cyls=c,heads=h,secs=s[,trans=t]]\n"
 500                                         "[snapshot=on|off][,cache=on|off]",
 501                                         "add drive to PCI storage controller" },
 502 #endif
 503 STEXI
 504 @item drive_add
 505 Add drive to PCI storage controller.
 506 ETEXI
 507
 508 #if defined(TARGET_I386)
 509     { "pci_add", "sss?", pci_device_hot_add, "auto|[[<domain>:]<bus>:]<slot> nic|storage [[vlan=n][,macaddr=addr][,model=type]] [file=file][,if=type][,bus=nr]...", "hot-add PCI device" },
 510 #endif
 511 STEXI
 512 @item pci_add
 513 Hot-add PCI device.
 514 ETEXI
 515
 516 #if defined(TARGET_I386)
 517     { "pci_del", "s", pci_device_hot_remove, "[[<domain>:]<bus>:]<slot>", "hot remove PCI device" },
 518 #endif
 519 STEXI
 520 @item pci_del
 521 Hot remove PCI device.
 522 ETEXI
 523
 524     { "host_net_add", "ss?", net_host_device_add,
 525       "tap|user|socket|vde|dump [options]", "add host VLAN client" },
 526 STEXI
 527 @item host_net_add
 528 Add host VLAN client.
 529 ETEXI
 530
 531     { "host_net_remove", "is", net_host_device_remove,
 532       "vlan_id name", "remove host VLAN client" },
 533 STEXI
 534 @item host_net_remove
 535 Remove host VLAN client.
 536 ETEXI
 537
 538 #ifdef CONFIG_SLIRP
 539     { "hostfwd_add", "ss?s?", net_slirp_hostfwd_add,
 540       "[vlan_id name] [tcp|udp]:[hostaddr]:hostport-[guestaddr]:guestport",
 541       "redirect TCP or UDP connections from host to guest (requires -net user)" },
 542     { "hostfwd_remove", "ss?s?", net_slirp_hostfwd_remove,
 543       "[vlan_id name] [tcp|udp]:[hostaddr]:hostport",
 544       "remove host-to-guest TCP or UDP redirection" },
 545 #endif
 546 STEXI
 547 @item host_net_redir
 548 Redirect TCP or UDP connections from host to guest (requires -net user).
 549 ETEXI
 550
 551     { "balloon", "i", do_balloon,
 552       "target", "request VM to change it's memory allocation (in MB)" },
 553 STEXI
 554 @item balloon @var{value}
 555 Request VM to change its memory allocation to @var{value} (in MB).
 556 ETEXI
 557
 558     { "set_link", "ss", do_set_link,
 559       "name up|down", "change the link status of a network adapter" },
 560 STEXI
 561 @item set_link @var{name} [up|down]
 562 Set link @var{name} up or down.
 563 ETEXI
 564
 565     { "watchdog_action", "s", do_watchdog_action,
 566       "[reset|shutdown|poweroff|pause|debug|none]", "change watchdog action" },
 567 STEXI
 568 @item watchdog_action
 569 Change watchdog action.
 570 ETEXI
 571
 572     { "acl_show", "s", do_acl_show, "aclname",
 573       "list rules in the access control list" },
 574 STEXI
 575 @item acl_show @var{aclname}
 576 List all the matching rules in the access control list, and the default
 577 policy. There are currently two named access control lists,
 578 @var{vnc.x509dname} and @var{vnc.username} matching on the x509 client
 579 certificate distinguished name, and SASL username respectively.
 580 ETEXI
 581
 582     { "acl_policy", "ss", do_acl_policy, "aclname allow|deny",
 583       "set default access control list policy" },
 584 STEXI
 585 @item acl_policy @var{aclname] @code{allow|deny}
 586 Set the default access control list policy, used in the event that
 587 none of the explicit rules match. The default policy at startup is
 588 always @code{deny}.
 589 ETEXI
 590
 591     { "acl_add", "sssi?", do_acl_add, "aclname match allow|deny [index]",
 592       "add a match rule to the access control list" },
 593 STEXI
 594 @item acl_allow @var{aclname} @var{match} @code{allow|deny} [@var{index}]
 595 Add a match rule to the access control list, allowing or denying access.
 596 The match will normally be an exact username or x509 distinguished name,
 597 but can optionally include wildcard globs. eg @code{*@@EXAMPLE.COM} to
 598 allow all users in the @code{EXAMPLE.COM} kerberos realm. The match will
 599 normally be appended to the end of the ACL, but can be inserted
 600 earlier in the list if the optional @var{index} parameter is supplied.
 601 ETEXI
 602
 603     { "acl_remove", "ss", do_acl_remove, "aclname match",
 604       "remove a match rule from the access control list" },
 605 STEXI
 606 @item acl_remove @var{aclname} @var{match}
 607 Remove the specified match rule from the access control list.
 608 ETEXI
 609
 610     { "acl_reset", "s", do_acl_reset, "aclname",
 611       "reset the access control list" },
 612 STEXI
 613 @item acl_remove @var{aclname} @var{match}
 614 Remove all matches from the access control list, and set the default
 615 policy back to @code{deny}.
 616 ETEXI
 617
 618 STEXI
 619 @end table
 620 ETEXI