1HXCOMM Use DEFHEADING() to define headings in both help text and texi 2HXCOMM Text between STEXI and ETEXI are copied to texi version and 3HXCOMM discarded from C version 4HXCOMM DEF(command, args, callback, arg_string, help) is used to construct 5HXCOMM monitor commands 6HXCOMM HXCOMM can be used for comments, discarded from both texi and C 7 8STEXI 9@table @option 10ETEXI 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 20STEXI 21@item help or ? [@var{cmd}] 22@findex help 23Show the help for all commands or just for command @var{cmd}. 24ETEXI 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 34STEXI 35@item commit 36@findex commit 37Commit changes to the disk images (if -snapshot is used) or backing files. 38ETEXI 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 49STEXI 50@item q or quit 51@findex quit 52Quit the emulator. 53ETEXI 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 63STEXI 64@item block_resize 65@findex block_resize 66Resize a block image while a guest is running. Usually requires guest 67action to see the updated size. Resize to a lower size is supported, 68but should be used with extreme caution. Note that this command only 69resizes image files, it can not resize block devices like LVM volumes. 70ETEXI 71 72 { 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, 78 }, 79 80STEXI 81@item block_stream 82@findex block_stream 83Copy data from a backing file into a block device. 84ETEXI 85 86 { 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, 92 }, 93 94STEXI 95@item block_job_set_stream 96@findex block_job_set_stream 97Set maximum speed for a background block operation. 98ETEXI 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 108STEXI 109@item block_job_cancel 110@findex block_job_cancel 111Stop an active block streaming operation. 112ETEXI 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 122STEXI 123@item eject [-f] @var{device} 124@findex eject 125Eject a removable medium (use -f to force it). 126ETEXI 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 137STEXI 138@item drive_del @var{device} 139@findex drive_del 140Remove host block device. The result is that guest generated IO is no longer 141submitted against the host device underlying the disk. Once a drive has 142been deleted, the QEMU Block layer returns -EIO which results in IO 143errors in the guest for applications that are reading/writing to the device. 144ETEXI 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 154STEXI 155@item change @var{device} @var{setting} 156@findex change 157 158Change the configuration of a device. 159 160@table @option 161@item change @var{diskdevice} @var{filename} [@var{format}] 162Change 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} 171Change the configuration of the VNC server. The valid syntax for @var{display} 172and @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 180Change the password associated with the VNC server. If the new password is not 181supplied, the monitor will prompt for it to be entered. VNC passwords are only 182significant up to 8 letters. eg 183 184@example 185(qemu) change vnc password 186Password: ******** 187@end example 188 189@end table 190ETEXI 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 201STEXI 202@item screendump @var{filename} 203@findex screendump 204Save screen into PPM image @var{filename}. 205ETEXI 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 215STEXI 216@item logfile @var{filename} 217@findex logfile 218Output logs to @var{filename}. 219ETEXI 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 229STEXI 230@item trace-event 231@findex trace-event 232changes status of a trace event 233ETEXI 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 244STEXI 245@item trace-file on|off|flush 246@findex trace-file 247Open, close, or flush the trace file. If no argument is given, the status of the trace file is displayed. 248ETEXI 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 259STEXI 260@item log @var{item1}[,...] 261@findex log 262Activate logging of the specified items to @file{/tmp/qemu.log}. 263ETEXI 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 273STEXI 274@item savevm [@var{tag}|@var{id}] 275@findex savevm 276Create a snapshot of the whole virtual machine. If @var{tag} is 277provided, it is used as human readable identifier. If there is already 278a snapshot with the same tag or ID, it is replaced. More info at 279@ref{vm_snapshots}. 280ETEXI 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 290STEXI 291@item loadvm @var{tag}|@var{id} 292@findex loadvm 293Set the whole virtual machine to the snapshot identified by the tag 294@var{tag} or the unique snapshot ID @var{id}. 295ETEXI 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 305STEXI 306@item delvm @var{tag}|@var{id} 307@findex delvm 308Delete the snapshot identified by @var{tag} or @var{id}. 309ETEXI 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 319STEXI 320@item singlestep [off] 321@findex singlestep 322Run the emulation in single step mode. 323If called with option off, the emulation returns to normal mode. 324ETEXI 325 326 { 327 .name = "stop", 328 .args_type = "", 329 .params = "", 330 .help = "stop emulation", 331 .mhandler.cmd = hmp_stop, 332 }, 333 334STEXI 335@item stop 336@findex stop 337Stop emulation. 338ETEXI 339 340 { 341 .name = "c|cont", 342 .args_type = "", 343 .params = "", 344 .help = "resume emulation", 345 .mhandler.cmd = hmp_cont, 346 }, 347 348STEXI 349@item c or cont 350@findex cont 351Resume emulation. 352ETEXI 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 362STEXI 363@item system_wakeup 364@findex system_wakeup 365Wakeup guest from suspend. 366ETEXI 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 376STEXI 377@item gdbserver [@var{port}] 378@findex gdbserver 379Start gdbserver session (default @var{port}=1234) 380ETEXI 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 390STEXI 391@item x/fmt @var{addr} 392@findex x 393Virtual memory dump starting at @var{addr}. 394ETEXI 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 404STEXI 405@item xp /@var{fmt} @var{addr} 406@findex xp 407Physical memory dump starting at @var{addr}. 408 409@var{fmt} is a format which tells the command how to format the 410data. Its syntax is: @option{/@{count@}@{format@}@{size@}} 411 412@table @var 413@item count 414is the number of items to be dumped. 415 416@item format 417can be x (hex), d (signed decimal), u (unsigned decimal), o (octal), 418c (char) or i (asm instruction). 419 420@item size 421can 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 423respectively select 16 or 32 bit code instruction size. 424 425@end table 426 427Examples: 428@itemize 429@item 430Dump 10 instructions at the current instruction pointer: 431@example 432(qemu) x/10i $eip 4330x90107063: ret 4340x90107064: sti 4350x90107065: lea 0x0(%esi,1),%esi 4360x90107069: lea 0x0(%edi,1),%edi 4370x90107070: ret 4380x90107071: jmp 0x90107080 4390x90107073: nop 4400x90107074: nop 4410x90107075: nop 4420x90107076: nop 443@end example 444 445@item 446Dump 80 16 bit values at the start of the video memory. 447@smallexample 448(qemu) xp/80hx 0xb8000 4490x000b8000: 0x0b50 0x0b6c 0x0b65 0x0b78 0x0b38 0x0b36 0x0b2f 0x0b42 4500x000b8010: 0x0b6f 0x0b63 0x0b68 0x0b73 0x0b20 0x0b56 0x0b47 0x0b41 4510x000b8020: 0x0b42 0x0b69 0x0b6f 0x0b73 0x0b20 0x0b63 0x0b75 0x0b72 4520x000b8030: 0x0b72 0x0b65 0x0b6e 0x0b74 0x0b2d 0x0b63 0x0b76 0x0b73 4530x000b8040: 0x0b20 0x0b30 0x0b35 0x0b20 0x0b4e 0x0b6f 0x0b76 0x0b20 4540x000b8050: 0x0b32 0x0b30 0x0b30 0x0b33 0x0720 0x0720 0x0720 0x0720 4550x000b8060: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 4560x000b8070: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 4570x000b8080: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 4580x000b8090: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 459@end smallexample 460@end itemize 461ETEXI 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 471STEXI 472@item p or print/@var{fmt} @var{expr} 473@findex print 474 475Print expression value. Only the @var{format} part of @var{fmt} is 476used. 477ETEXI 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 487STEXI 488Read I/O port. 489ETEXI 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 499STEXI 500Write to I/O port. 501ETEXI 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 511STEXI 512@item sendkey @var{keys} 513@findex sendkey 514 515Send @var{keys} to the emulator. @var{keys} could be the name of the 516key or @code{#} followed by the raw value in either decimal or hexadecimal 517format. Use @code{-} to press several keys simultaneously. Example: 518@example 519sendkey ctrl-alt-f1 520@end example 521 522This command is useful to send keys that your graphical user interface 523intercepts at low level, such as @code{ctrl-alt-f1} in X Window. 524ETEXI 525 526 { 527 .name = "system_reset", 528 .args_type = "", 529 .params = "", 530 .help = "reset the system", 531 .mhandler.cmd = hmp_system_reset, 532 }, 533 534STEXI 535@item system_reset 536@findex system_reset 537 538Reset the system. 539ETEXI 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 549STEXI 550@item system_powerdown 551@findex system_powerdown 552 553Power down the system (if supported). 554ETEXI 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 564STEXI 565@item sum @var{addr} @var{size} 566@findex sum 567 568Compute the checksum of a memory region. 569ETEXI 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 579STEXI 580@item usb_add @var{devname} 581@findex usb_add 582 583Add the USB device @var{devname}. For details of available devices see 584@ref{usb_devices} 585ETEXI 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 595STEXI 596@item usb_del @var{devname} 597@findex usb_del 598 599Remove the USB device @var{devname} from the QEMU virtual USB 600hub. @var{devname} has the syntax @code{bus.addr}. Use the monitor 601command @code{info usb} to see the devices you can remove. 602ETEXI 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 613STEXI 614@item device_add @var{config} 615@findex device_add 616 617Add device. 618ETEXI 619 620 { 621 .name = "device_del", 622 .args_type = "id:s", 623 .params = "device", 624 .help = "remove device", 625 .user_print = monitor_user_noop, 626 .mhandler.cmd_new = do_device_del, 627 }, 628 629STEXI 630@item device_del @var{id} 631@findex device_del 632 633Remove device @var{id}. 634ETEXI 635 636 { 637 .name = "cpu", 638 .args_type = "index:i", 639 .params = "index", 640 .help = "set the default CPU", 641 .mhandler.cmd = hmp_cpu, 642 }, 643 644STEXI 645@item cpu @var{index} 646@findex cpu 647Set the default CPU. 648ETEXI 649 650 { 651 .name = "mouse_move", 652 .args_type = "dx_str:s,dy_str:s,dz_str:s?", 653 .params = "dx dy [dz]", 654 .help = "send mouse move events", 655 .mhandler.cmd = do_mouse_move, 656 }, 657 658STEXI 659@item mouse_move @var{dx} @var{dy} [@var{dz}] 660@findex mouse_move 661Move the active mouse to the specified coordinates @var{dx} @var{dy} 662with optional scroll axis @var{dz}. 663ETEXI 664 665 { 666 .name = "mouse_button", 667 .args_type = "button_state:i", 668 .params = "state", 669 .help = "change mouse button state (1=L, 2=M, 4=R)", 670 .mhandler.cmd = do_mouse_button, 671 }, 672 673STEXI 674@item mouse_button @var{val} 675@findex mouse_button 676Change the active mouse button state @var{val} (1=L, 2=M, 4=R). 677ETEXI 678 679 { 680 .name = "mouse_set", 681 .args_type = "index:i", 682 .params = "index", 683 .help = "set which mouse device receives events", 684 .mhandler.cmd = do_mouse_set, 685 }, 686 687STEXI 688@item mouse_set @var{index} 689@findex mouse_set 690Set which mouse device receives events at given @var{index}, index 691can be obtained with 692@example 693info mice 694@end example 695ETEXI 696 697#ifdef HAS_AUDIO 698 { 699 .name = "wavcapture", 700 .args_type = "path:F,freq:i?,bits:i?,nchannels:i?", 701 .params = "path [frequency [bits [channels]]]", 702 .help = "capture audio to a wave file (default frequency=44100 bits=16 channels=2)", 703 .mhandler.cmd = do_wav_capture, 704 }, 705#endif 706STEXI 707@item wavcapture @var{filename} [@var{frequency} [@var{bits} [@var{channels}]]] 708@findex wavcapture 709Capture audio into @var{filename}. Using sample rate @var{frequency} 710bits per sample @var{bits} and number of channels @var{channels}. 711 712Defaults: 713@itemize @minus 714@item Sample rate = 44100 Hz - CD quality 715@item Bits = 16 716@item Number of channels = 2 - Stereo 717@end itemize 718ETEXI 719 720#ifdef HAS_AUDIO 721 { 722 .name = "stopcapture", 723 .args_type = "n:i", 724 .params = "capture index", 725 .help = "stop capture", 726 .mhandler.cmd = do_stop_capture, 727 }, 728#endif 729STEXI 730@item stopcapture @var{index} 731@findex stopcapture 732Stop capture with a given @var{index}, index can be obtained with 733@example 734info capture 735@end example 736ETEXI 737 738 { 739 .name = "memsave", 740 .args_type = "val:l,size:i,filename:s", 741 .params = "addr size file", 742 .help = "save to disk virtual memory dump starting at 'addr' of size 'size'", 743 .mhandler.cmd = hmp_memsave, 744 }, 745 746STEXI 747@item memsave @var{addr} @var{size} @var{file} 748@findex memsave 749save to disk virtual memory dump starting at @var{addr} of size @var{size}. 750ETEXI 751 752 { 753 .name = "pmemsave", 754 .args_type = "val:l,size:i,filename:s", 755 .params = "addr size file", 756 .help = "save to disk physical memory dump starting at 'addr' of size 'size'", 757 .mhandler.cmd = hmp_pmemsave, 758 }, 759 760STEXI 761@item pmemsave @var{addr} @var{size} @var{file} 762@findex pmemsave 763save to disk physical memory dump starting at @var{addr} of size @var{size}. 764ETEXI 765 766 { 767 .name = "boot_set", 768 .args_type = "bootdevice:s", 769 .params = "bootdevice", 770 .help = "define new values for the boot device list", 771 .mhandler.cmd = do_boot_set, 772 }, 773 774STEXI 775@item boot_set @var{bootdevicelist} 776@findex boot_set 777 778Define new values for the boot device list. Those values will override 779the values specified on the command line through the @code{-boot} option. 780 781The values that can be specified here depend on the machine type, but are 782the same that can be specified in the @code{-boot} command line option. 783ETEXI 784 785#if defined(TARGET_I386) 786 { 787 .name = "nmi", 788 .args_type = "", 789 .params = "", 790 .help = "inject an NMI on all guest's CPUs", 791 .mhandler.cmd = hmp_inject_nmi, 792 }, 793#endif 794STEXI 795@item nmi @var{cpu} 796@findex nmi 797Inject an NMI on the given CPU (x86 only). 798ETEXI 799 800 { 801 .name = "migrate", 802 .args_type = "detach:-d,blk:-b,inc:-i,uri:s", 803 .params = "[-d] [-b] [-i] uri", 804 .help = "migrate to URI (using -d to not wait for completion)" 805 "\n\t\t\t -b for migration without shared storage with" 806 " full copy of disk\n\t\t\t -i for migration without " 807 "shared storage with incremental copy of disk " 808 "(base image shared between src and destination)", 809 .mhandler.cmd = hmp_migrate, 810 }, 811 812 813STEXI 814@item migrate [-d] [-b] [-i] @var{uri} 815@findex migrate 816Migrate to @var{uri} (using -d to not wait for completion). 817 -b for migration with full copy of disk 818 -i for migration with incremental copy of disk (base image is shared) 819ETEXI 820 821 { 822 .name = "migrate_cancel", 823 .args_type = "", 824 .params = "", 825 .help = "cancel the current VM migration", 826 .mhandler.cmd = hmp_migrate_cancel, 827 }, 828 829STEXI 830@item migrate_cancel 831@findex migrate_cancel 832Cancel the current VM migration. 833ETEXI 834 835 { 836 .name = "migrate_set_speed", 837 .args_type = "value:o", 838 .params = "value", 839 .help = "set maximum speed (in bytes) for migrations. " 840 "Defaults to MB if no size suffix is specified, ie. B/K/M/G/T", 841 .mhandler.cmd = hmp_migrate_set_speed, 842 }, 843 844STEXI 845@item migrate_set_speed @var{value} 846@findex migrate_set_speed 847Set maximum speed to @var{value} (in bytes) for migrations. 848ETEXI 849 850 { 851 .name = "migrate_set_downtime", 852 .args_type = "value:T", 853 .params = "value", 854 .help = "set maximum tolerated downtime (in seconds) for migrations", 855 .mhandler.cmd = hmp_migrate_set_downtime, 856 }, 857 858STEXI 859@item migrate_set_downtime @var{second} 860@findex migrate_set_downtime 861Set maximum tolerated downtime (in seconds) for migration. 862ETEXI 863 864 { 865 .name = "client_migrate_info", 866 .args_type = "protocol:s,hostname:s,port:i?,tls-port:i?,cert-subject:s?", 867 .params = "protocol hostname port tls-port cert-subject", 868 .help = "send migration info to spice/vnc client", 869 .user_print = monitor_user_noop, 870 .mhandler.cmd_async = client_migrate_info, 871 .flags = MONITOR_CMD_ASYNC, 872 }, 873 874STEXI 875@item client_migrate_info @var{protocol} @var{hostname} @var{port} @var{tls-port} @var{cert-subject} 876@findex client_migrate_info 877Set the spice/vnc connection info for the migration target. The spice/vnc 878server will ask the spice/vnc client to automatically reconnect using the 879new parameters (if specified) once the vm migration finished successfully. 880ETEXI 881 882 { 883 .name = "snapshot_blkdev", 884 .args_type = "reuse:-n,device:B,snapshot-file:s?,format:s?", 885 .params = "[-n] device [new-image-file] [format]", 886 .help = "initiates a live snapshot\n\t\t\t" 887 "of device. If a new image file is specified, the\n\t\t\t" 888 "new image file will become the new root image.\n\t\t\t" 889 "If format is specified, the snapshot file will\n\t\t\t" 890 "be created in that format. Otherwise the\n\t\t\t" 891 "snapshot will be internal! (currently unsupported).\n\t\t\t" 892 "The default format is qcow2. The -n flag requests QEMU\n\t\t\t" 893 "to reuse the image found in new-image-file, instead of\n\t\t\t" 894 "recreating it from scratch.", 895 .mhandler.cmd = hmp_snapshot_blkdev, 896 }, 897 898STEXI 899@item snapshot_blkdev 900@findex snapshot_blkdev 901Snapshot device, using snapshot file as target if provided 902ETEXI 903 904 { 905 .name = "drive_add", 906 .args_type = "pci_addr:s,opts:s", 907 .params = "[[<domain>:]<bus>:]<slot>\n" 908 "[file=file][,if=type][,bus=n]\n" 909 "[,unit=m][,media=d][,index=i]\n" 910 "[,cyls=c,heads=h,secs=s[,trans=t]]\n" 911 "[,snapshot=on|off][,cache=on|off]\n" 912 "[,readonly=on|off][,copy-on-read=on|off]", 913 .help = "add drive to PCI storage controller", 914 .mhandler.cmd = drive_hot_add, 915 }, 916 917STEXI 918@item drive_add 919@findex drive_add 920Add drive to PCI storage controller. 921ETEXI 922 923#if defined(TARGET_I386) 924 { 925 .name = "pci_add", 926 .args_type = "pci_addr:s,type:s,opts:s?", 927 .params = "auto|[[<domain>:]<bus>:]<slot> nic|storage [[vlan=n][,macaddr=addr][,model=type]] [file=file][,if=type][,bus=nr]...", 928 .help = "hot-add PCI device", 929 .mhandler.cmd = pci_device_hot_add, 930 }, 931#endif 932 933STEXI 934@item pci_add 935@findex pci_add 936Hot-add PCI device. 937ETEXI 938 939#if defined(TARGET_I386) 940 { 941 .name = "pci_del", 942 .args_type = "pci_addr:s", 943 .params = "[[<domain>:]<bus>:]<slot>", 944 .help = "hot remove PCI device", 945 .mhandler.cmd = do_pci_device_hot_remove, 946 }, 947#endif 948 949STEXI 950@item pci_del 951@findex pci_del 952Hot remove PCI device. 953ETEXI 954 955 { 956 .name = "pcie_aer_inject_error", 957 .args_type = "advisory_non_fatal:-a,correctable:-c," 958 "id:s,error_status:s," 959 "header0:i?,header1:i?,header2:i?,header3:i?," 960 "prefix0:i?,prefix1:i?,prefix2:i?,prefix3:i?", 961 .params = "[-a] [-c] id " 962 "<error_status> [<tlp header> [<tlp header prefix>]]", 963 .help = "inject pcie aer error\n\t\t\t" 964 " -a for advisory non fatal error\n\t\t\t" 965 " -c for correctable error\n\t\t\t" 966 "<id> = qdev device id\n\t\t\t" 967 "<error_status> = error string or 32bit\n\t\t\t" 968 "<tlb header> = 32bit x 4\n\t\t\t" 969 "<tlb header prefix> = 32bit x 4", 970 .user_print = pcie_aer_inject_error_print, 971 .mhandler.cmd_new = do_pcie_aer_inject_error, 972 }, 973 974STEXI 975@item pcie_aer_inject_error 976@findex pcie_aer_inject_error 977Inject PCIe AER error 978ETEXI 979 980 { 981 .name = "host_net_add", 982 .args_type = "device:s,opts:s?", 983 .params = "tap|user|socket|vde|dump [options]", 984 .help = "add host VLAN client", 985 .mhandler.cmd = net_host_device_add, 986 }, 987 988STEXI 989@item host_net_add 990@findex host_net_add 991Add host VLAN client. 992ETEXI 993 994 { 995 .name = "host_net_remove", 996 .args_type = "vlan_id:i,device:s", 997 .params = "vlan_id name", 998 .help = "remove host VLAN client", 999 .mhandler.cmd = net_host_device_remove, 1000 }, 1001 1002STEXI 1003@item host_net_remove 1004@findex host_net_remove 1005Remove host VLAN client. 1006ETEXI 1007 1008 { 1009 .name = "netdev_add", 1010 .args_type = "netdev:O", 1011 .params = "[user|tap|socket],id=str[,prop=value][,...]", 1012 .help = "add host network device", 1013 .user_print = monitor_user_noop, 1014 .mhandler.cmd_new = do_netdev_add, 1015 }, 1016 1017STEXI 1018@item netdev_add 1019@findex netdev_add 1020Add host network device. 1021ETEXI 1022 1023 { 1024 .name = "netdev_del", 1025 .args_type = "id:s", 1026 .params = "id", 1027 .help = "remove host network device", 1028 .user_print = monitor_user_noop, 1029 .mhandler.cmd_new = do_netdev_del, 1030 }, 1031 1032STEXI 1033@item netdev_del 1034@findex netdev_del 1035Remove host network device. 1036ETEXI 1037 1038#ifdef CONFIG_SLIRP 1039 { 1040 .name = "hostfwd_add", 1041 .args_type = "arg1:s,arg2:s?,arg3:s?", 1042 .params = "[vlan_id name] [tcp|udp]:[hostaddr]:hostport-[guestaddr]:guestport", 1043 .help = "redirect TCP or UDP connections from host to guest (requires -net user)", 1044 .mhandler.cmd = net_slirp_hostfwd_add, 1045 }, 1046#endif 1047STEXI 1048@item hostfwd_add 1049@findex hostfwd_add 1050Redirect TCP or UDP connections from host to guest (requires -net user). 1051ETEXI 1052 1053#ifdef CONFIG_SLIRP 1054 { 1055 .name = "hostfwd_remove", 1056 .args_type = "arg1:s,arg2:s?,arg3:s?", 1057 .params = "[vlan_id name] [tcp|udp]:[hostaddr]:hostport", 1058 .help = "remove host-to-guest TCP or UDP redirection", 1059 .mhandler.cmd = net_slirp_hostfwd_remove, 1060 }, 1061 1062#endif 1063STEXI 1064@item hostfwd_remove 1065@findex hostfwd_remove 1066Remove host-to-guest TCP or UDP redirection. 1067ETEXI 1068 1069 { 1070 .name = "balloon", 1071 .args_type = "value:M", 1072 .params = "target", 1073 .help = "request VM to change its memory allocation (in MB)", 1074 .mhandler.cmd = hmp_balloon, 1075 }, 1076 1077STEXI 1078@item balloon @var{value} 1079@findex balloon 1080Request VM to change its memory allocation to @var{value} (in MB). 1081ETEXI 1082 1083 { 1084 .name = "set_link", 1085 .args_type = "name:s,up:b", 1086 .params = "name on|off", 1087 .help = "change the link status of a network adapter", 1088 .mhandler.cmd = hmp_set_link, 1089 }, 1090 1091STEXI 1092@item set_link @var{name} [on|off] 1093@findex set_link 1094Switch link @var{name} on (i.e. up) or off (i.e. down). 1095ETEXI 1096 1097 { 1098 .name = "watchdog_action", 1099 .args_type = "action:s", 1100 .params = "[reset|shutdown|poweroff|pause|debug|none]", 1101 .help = "change watchdog action", 1102 .mhandler.cmd = do_watchdog_action, 1103 }, 1104 1105STEXI 1106@item watchdog_action 1107@findex watchdog_action 1108Change watchdog action. 1109ETEXI 1110 1111 { 1112 .name = "acl_show", 1113 .args_type = "aclname:s", 1114 .params = "aclname", 1115 .help = "list rules in the access control list", 1116 .mhandler.cmd = do_acl_show, 1117 }, 1118 1119STEXI 1120@item acl_show @var{aclname} 1121@findex acl_show 1122List all the matching rules in the access control list, and the default 1123policy. There are currently two named access control lists, 1124@var{vnc.x509dname} and @var{vnc.username} matching on the x509 client 1125certificate distinguished name, and SASL username respectively. 1126ETEXI 1127 1128 { 1129 .name = "acl_policy", 1130 .args_type = "aclname:s,policy:s", 1131 .params = "aclname allow|deny", 1132 .help = "set default access control list policy", 1133 .mhandler.cmd = do_acl_policy, 1134 }, 1135 1136STEXI 1137@item acl_policy @var{aclname} @code{allow|deny} 1138@findex acl_policy 1139Set the default access control list policy, used in the event that 1140none of the explicit rules match. The default policy at startup is 1141always @code{deny}. 1142ETEXI 1143 1144 { 1145 .name = "acl_add", 1146 .args_type = "aclname:s,match:s,policy:s,index:i?", 1147 .params = "aclname match allow|deny [index]", 1148 .help = "add a match rule to the access control list", 1149 .mhandler.cmd = do_acl_add, 1150 }, 1151 1152STEXI 1153@item acl_add @var{aclname} @var{match} @code{allow|deny} [@var{index}] 1154@findex acl_add 1155Add a match rule to the access control list, allowing or denying access. 1156The match will normally be an exact username or x509 distinguished name, 1157but can optionally include wildcard globs. eg @code{*@@EXAMPLE.COM} to 1158allow all users in the @code{EXAMPLE.COM} kerberos realm. The match will 1159normally be appended to the end of the ACL, but can be inserted 1160earlier in the list if the optional @var{index} parameter is supplied. 1161ETEXI 1162 1163 { 1164 .name = "acl_remove", 1165 .args_type = "aclname:s,match:s", 1166 .params = "aclname match", 1167 .help = "remove a match rule from the access control list", 1168 .mhandler.cmd = do_acl_remove, 1169 }, 1170 1171STEXI 1172@item acl_remove @var{aclname} @var{match} 1173@findex acl_remove 1174Remove the specified match rule from the access control list. 1175ETEXI 1176 1177 { 1178 .name = "acl_reset", 1179 .args_type = "aclname:s", 1180 .params = "aclname", 1181 .help = "reset the access control list", 1182 .mhandler.cmd = do_acl_reset, 1183 }, 1184 1185STEXI 1186@item acl_reset @var{aclname} 1187@findex acl_reset 1188Remove all matches from the access control list, and set the default 1189policy back to @code{deny}. 1190ETEXI 1191 1192#if defined(TARGET_I386) 1193 1194 { 1195 .name = "mce", 1196 .args_type = "broadcast:-b,cpu_index:i,bank:i,status:l,mcg_status:l,addr:l,misc:l", 1197 .params = "[-b] cpu bank status mcgstatus addr misc", 1198 .help = "inject a MCE on the given CPU [and broadcast to other CPUs with -b option]", 1199 .mhandler.cmd = do_inject_mce, 1200 }, 1201 1202#endif 1203STEXI 1204@item mce @var{cpu} @var{bank} @var{status} @var{mcgstatus} @var{addr} @var{misc} 1205@findex mce (x86) 1206Inject an MCE on the given CPU (x86 only). 1207ETEXI 1208 1209 { 1210 .name = "getfd", 1211 .args_type = "fdname:s", 1212 .params = "getfd name", 1213 .help = "receive a file descriptor via SCM rights and assign it a name", 1214 .user_print = monitor_user_noop, 1215 .mhandler.cmd_new = do_getfd, 1216 }, 1217 1218STEXI 1219@item getfd @var{fdname} 1220@findex getfd 1221If a file descriptor is passed alongside this command using the SCM_RIGHTS 1222mechanism on unix sockets, it is stored using the name @var{fdname} for 1223later use by other monitor commands. 1224ETEXI 1225 1226 { 1227 .name = "closefd", 1228 .args_type = "fdname:s", 1229 .params = "closefd name", 1230 .help = "close a file descriptor previously passed via SCM rights", 1231 .user_print = monitor_user_noop, 1232 .mhandler.cmd_new = do_closefd, 1233 }, 1234 1235STEXI 1236@item closefd @var{fdname} 1237@findex closefd 1238Close the file descriptor previously assigned to @var{fdname} using the 1239@code{getfd} command. This is only needed if the file descriptor was never 1240used by another monitor command. 1241ETEXI 1242 1243 { 1244 .name = "block_passwd", 1245 .args_type = "device:B,password:s", 1246 .params = "block_passwd device password", 1247 .help = "set the password of encrypted block devices", 1248 .mhandler.cmd = hmp_block_passwd, 1249 }, 1250 1251STEXI 1252@item block_set_io_throttle @var{device} @var{bps} @var{bps_rd} @var{bps_wr} @var{iops} @var{iops_rd} @var{iops_wr} 1253@findex block_set_io_throttle 1254Change 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} 1255ETEXI 1256 1257 { 1258 .name = "block_set_io_throttle", 1259 .args_type = "device:B,bps:l,bps_rd:l,bps_wr:l,iops:l,iops_rd:l,iops_wr:l", 1260 .params = "device bps bps_rd bps_wr iops iops_rd iops_wr", 1261 .help = "change I/O throttle limits for a block drive", 1262 .mhandler.cmd = hmp_block_set_io_throttle, 1263 }, 1264 1265STEXI 1266@item block_passwd @var{device} @var{password} 1267@findex block_passwd 1268Set the encrypted device @var{device} password to @var{password} 1269ETEXI 1270 1271 { 1272 .name = "set_password", 1273 .args_type = "protocol:s,password:s,connected:s?", 1274 .params = "protocol password action-if-connected", 1275 .help = "set spice/vnc password", 1276 .mhandler.cmd = hmp_set_password, 1277 }, 1278 1279STEXI 1280@item set_password [ vnc | spice ] password [ action-if-connected ] 1281@findex set_password 1282 1283Change spice/vnc password. Use zero to make the password stay valid 1284forever. @var{action-if-connected} specifies what should happen in 1285case a connection is established: @var{fail} makes the password change 1286fail. @var{disconnect} changes the password and disconnects the 1287client. @var{keep} changes the password and keeps the connection up. 1288@var{keep} is the default. 1289ETEXI 1290 1291 { 1292 .name = "expire_password", 1293 .args_type = "protocol:s,time:s", 1294 .params = "protocol time", 1295 .help = "set spice/vnc password expire-time", 1296 .mhandler.cmd = hmp_expire_password, 1297 }, 1298 1299STEXI 1300@item expire_password [ vnc | spice ] expire-time 1301@findex expire_password 1302 1303Specify when a password for spice/vnc becomes 1304invalid. @var{expire-time} accepts: 1305 1306@table @var 1307@item now 1308Invalidate password instantly. 1309 1310@item never 1311Password stays valid forever. 1312 1313@item +nsec 1314Password stays valid for @var{nsec} seconds starting now. 1315 1316@item nsec 1317Password is invalidated at the given time. @var{nsec} are the seconds 1318passed since 1970, i.e. unix epoch. 1319 1320@end table 1321ETEXI 1322 1323 { 1324 .name = "info", 1325 .args_type = "item:s?", 1326 .params = "[subcommand]", 1327 .help = "show various information about the system state", 1328 .mhandler.cmd = do_info, 1329 }, 1330 1331STEXI 1332@item info @var{subcommand} 1333@findex info 1334Show various information about the system state. 1335 1336@table @option 1337@item info version 1338show the version of QEMU 1339@item info network 1340show the various VLANs and the associated devices 1341@item info chardev 1342show the character devices 1343@item info block 1344show the block devices 1345@item info blockstats 1346show block device statistics 1347@item info registers 1348show the cpu registers 1349@item info cpus 1350show infos for each CPU 1351@item info history 1352show the command line history 1353@item info irq 1354show the interrupts statistics (if available) 1355@item info pic 1356show i8259 (PIC) state 1357@item info pci 1358show emulated PCI device info 1359@item info tlb 1360show virtual to physical memory mappings (i386, SH4, SPARC, PPC, and Xtensa only) 1361@item info mem 1362show the active virtual memory mappings (i386 only) 1363@item info jit 1364show dynamic compiler info 1365@item info numa 1366show NUMA information 1367@item info kvm 1368show KVM information 1369@item info usb 1370show USB devices plugged on the virtual USB hub 1371@item info usbhost 1372show all USB host devices 1373@item info profile 1374show profiling information 1375@item info capture 1376show information about active capturing 1377@item info snapshots 1378show list of VM snapshots 1379@item info status 1380show the current VM status (running|paused) 1381@item info pcmcia 1382show guest PCMCIA status 1383@item info mice 1384show which guest mouse is receiving events 1385@item info vnc 1386show the vnc server status 1387@item info name 1388show the current VM name 1389@item info uuid 1390show the current VM UUID 1391@item info cpustats 1392show CPU statistics 1393@item info usernet 1394show user network stack connection states 1395@item info migrate 1396show migration status 1397@item info balloon 1398show balloon information 1399@item info qtree 1400show device tree 1401@item info qdm 1402show qdev device model list 1403@item info roms 1404show roms 1405@end table 1406ETEXI 1407 1408#ifdef CONFIG_TRACE_SIMPLE 1409STEXI 1410@item info trace 1411show contents of trace buffer 1412ETEXI 1413#endif 1414 1415STEXI 1416@item info trace-events 1417show available trace events and their state 1418ETEXI 1419 1420STEXI 1421@end table 1422ETEXI 1423