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 .mhandler.cmd = hmp_device_del, 626 }, 627 628STEXI 629@item device_del @var{id} 630@findex device_del 631 632Remove device @var{id}. 633ETEXI 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 643STEXI 644@item cpu @var{index} 645@findex cpu 646Set the default CPU. 647ETEXI 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 657STEXI 658@item mouse_move @var{dx} @var{dy} [@var{dz}] 659@findex mouse_move 660Move the active mouse to the specified coordinates @var{dx} @var{dy} 661with optional scroll axis @var{dz}. 662ETEXI 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 672STEXI 673@item mouse_button @var{val} 674@findex mouse_button 675Change the active mouse button state @var{val} (1=L, 2=M, 4=R). 676ETEXI 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 686STEXI 687@item mouse_set @var{index} 688@findex mouse_set 689Set which mouse device receives events at given @var{index}, index 690can be obtained with 691@example 692info mice 693@end example 694ETEXI 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 705STEXI 706@item wavcapture @var{filename} [@var{frequency} [@var{bits} [@var{channels}]]] 707@findex wavcapture 708Capture audio into @var{filename}. Using sample rate @var{frequency} 709bits per sample @var{bits} and number of channels @var{channels}. 710 711Defaults: 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 717ETEXI 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 728STEXI 729@item stopcapture @var{index} 730@findex stopcapture 731Stop capture with a given @var{index}, index can be obtained with 732@example 733info capture 734@end example 735ETEXI 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 745STEXI 746@item memsave @var{addr} @var{size} @var{file} 747@findex memsave 748save to disk virtual memory dump starting at @var{addr} of size @var{size}. 749ETEXI 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 759STEXI 760@item pmemsave @var{addr} @var{size} @var{file} 761@findex pmemsave 762save to disk physical memory dump starting at @var{addr} of size @var{size}. 763ETEXI 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 773STEXI 774@item boot_set @var{bootdevicelist} 775@findex boot_set 776 777Define new values for the boot device list. Those values will override 778the values specified on the command line through the @code{-boot} option. 779 780The values that can be specified here depend on the machine type, but are 781the same that can be specified in the @code{-boot} command line option. 782ETEXI 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 793STEXI 794@item nmi @var{cpu} 795@findex nmi 796Inject an NMI on the given CPU (x86 only). 797ETEXI 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 812STEXI 813@item migrate [-d] [-b] [-i] @var{uri} 814@findex migrate 815Migrate 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) 818ETEXI 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 828STEXI 829@item migrate_cancel 830@findex migrate_cancel 831Cancel the current VM migration. 832ETEXI 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 843STEXI 844@item migrate_set_speed @var{value} 845@findex migrate_set_speed 846Set maximum speed to @var{value} (in bytes) for migrations. 847ETEXI 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 857STEXI 858@item migrate_set_downtime @var{second} 859@findex migrate_set_downtime 860Set maximum tolerated downtime (in seconds) for migration. 861ETEXI 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 873STEXI 874@item client_migrate_info @var{protocol} @var{hostname} @var{port} @var{tls-port} @var{cert-subject} 875@findex client_migrate_info 876Set the spice/vnc connection info for the migration target. The spice/vnc 877server will ask the spice/vnc client to automatically reconnect using the 878new parameters (if specified) once the vm migration finished successfully. 879ETEXI 880 881 { 882 .name = "snapshot_blkdev", 883 .args_type = "reuse:-n,device:B,snapshot-file:s?,format:s?", 884 .params = "[-n] device [new-image-file] [format]", 885 .help = "initiates a live snapshot\n\t\t\t" 886 "of device. If a new image file is specified, the\n\t\t\t" 887 "new image file will become the new root image.\n\t\t\t" 888 "If format is specified, the snapshot file will\n\t\t\t" 889 "be created in that format. Otherwise the\n\t\t\t" 890 "snapshot will be internal! (currently unsupported).\n\t\t\t" 891 "The default format is qcow2. The -n flag requests QEMU\n\t\t\t" 892 "to reuse the image found in new-image-file, instead of\n\t\t\t" 893 "recreating it from scratch.", 894 .mhandler.cmd = hmp_snapshot_blkdev, 895 }, 896 897STEXI 898@item snapshot_blkdev 899@findex snapshot_blkdev 900Snapshot device, using snapshot file as target if provided 901ETEXI 902 903 { 904 .name = "drive_add", 905 .args_type = "pci_addr:s,opts:s", 906 .params = "[[<domain>:]<bus>:]<slot>\n" 907 "[file=file][,if=type][,bus=n]\n" 908 "[,unit=m][,media=d][,index=i]\n" 909 "[,cyls=c,heads=h,secs=s[,trans=t]]\n" 910 "[,snapshot=on|off][,cache=on|off]\n" 911 "[,readonly=on|off][,copy-on-read=on|off]", 912 .help = "add drive to PCI storage controller", 913 .mhandler.cmd = drive_hot_add, 914 }, 915 916STEXI 917@item drive_add 918@findex drive_add 919Add drive to PCI storage controller. 920ETEXI 921 922#if defined(TARGET_I386) 923 { 924 .name = "pci_add", 925 .args_type = "pci_addr:s,type:s,opts:s?", 926 .params = "auto|[[<domain>:]<bus>:]<slot> nic|storage [[vlan=n][,macaddr=addr][,model=type]] [file=file][,if=type][,bus=nr]...", 927 .help = "hot-add PCI device", 928 .mhandler.cmd = pci_device_hot_add, 929 }, 930#endif 931 932STEXI 933@item pci_add 934@findex pci_add 935Hot-add PCI device. 936ETEXI 937 938#if defined(TARGET_I386) 939 { 940 .name = "pci_del", 941 .args_type = "pci_addr:s", 942 .params = "[[<domain>:]<bus>:]<slot>", 943 .help = "hot remove PCI device", 944 .mhandler.cmd = do_pci_device_hot_remove, 945 }, 946#endif 947 948STEXI 949@item pci_del 950@findex pci_del 951Hot remove PCI device. 952ETEXI 953 954 { 955 .name = "pcie_aer_inject_error", 956 .args_type = "advisory_non_fatal:-a,correctable:-c," 957 "id:s,error_status:s," 958 "header0:i?,header1:i?,header2:i?,header3:i?," 959 "prefix0:i?,prefix1:i?,prefix2:i?,prefix3:i?", 960 .params = "[-a] [-c] id " 961 "<error_status> [<tlp header> [<tlp header prefix>]]", 962 .help = "inject pcie aer error\n\t\t\t" 963 " -a for advisory non fatal error\n\t\t\t" 964 " -c for correctable error\n\t\t\t" 965 "<id> = qdev device id\n\t\t\t" 966 "<error_status> = error string or 32bit\n\t\t\t" 967 "<tlb header> = 32bit x 4\n\t\t\t" 968 "<tlb header prefix> = 32bit x 4", 969 .user_print = pcie_aer_inject_error_print, 970 .mhandler.cmd_new = do_pcie_aer_inject_error, 971 }, 972 973STEXI 974@item pcie_aer_inject_error 975@findex pcie_aer_inject_error 976Inject PCIe AER error 977ETEXI 978 979 { 980 .name = "host_net_add", 981 .args_type = "device:s,opts:s?", 982 .params = "tap|user|socket|vde|dump [options]", 983 .help = "add host VLAN client", 984 .mhandler.cmd = net_host_device_add, 985 }, 986 987STEXI 988@item host_net_add 989@findex host_net_add 990Add host VLAN client. 991ETEXI 992 993 { 994 .name = "host_net_remove", 995 .args_type = "vlan_id:i,device:s", 996 .params = "vlan_id name", 997 .help = "remove host VLAN client", 998 .mhandler.cmd = net_host_device_remove, 999 }, 1000 1001STEXI 1002@item host_net_remove 1003@findex host_net_remove 1004Remove host VLAN client. 1005ETEXI 1006 1007 { 1008 .name = "netdev_add", 1009 .args_type = "netdev:O", 1010 .params = "[user|tap|socket],id=str[,prop=value][,...]", 1011 .help = "add host network device", 1012 .user_print = monitor_user_noop, 1013 .mhandler.cmd_new = do_netdev_add, 1014 }, 1015 1016STEXI 1017@item netdev_add 1018@findex netdev_add 1019Add host network device. 1020ETEXI 1021 1022 { 1023 .name = "netdev_del", 1024 .args_type = "id:s", 1025 .params = "id", 1026 .help = "remove host network device", 1027 .user_print = monitor_user_noop, 1028 .mhandler.cmd_new = do_netdev_del, 1029 }, 1030 1031STEXI 1032@item netdev_del 1033@findex netdev_del 1034Remove host network device. 1035ETEXI 1036 1037#ifdef CONFIG_SLIRP 1038 { 1039 .name = "hostfwd_add", 1040 .args_type = "arg1:s,arg2:s?,arg3:s?", 1041 .params = "[vlan_id name] [tcp|udp]:[hostaddr]:hostport-[guestaddr]:guestport", 1042 .help = "redirect TCP or UDP connections from host to guest (requires -net user)", 1043 .mhandler.cmd = net_slirp_hostfwd_add, 1044 }, 1045#endif 1046STEXI 1047@item hostfwd_add 1048@findex hostfwd_add 1049Redirect TCP or UDP connections from host to guest (requires -net user). 1050ETEXI 1051 1052#ifdef CONFIG_SLIRP 1053 { 1054 .name = "hostfwd_remove", 1055 .args_type = "arg1:s,arg2:s?,arg3:s?", 1056 .params = "[vlan_id name] [tcp|udp]:[hostaddr]:hostport", 1057 .help = "remove host-to-guest TCP or UDP redirection", 1058 .mhandler.cmd = net_slirp_hostfwd_remove, 1059 }, 1060 1061#endif 1062STEXI 1063@item hostfwd_remove 1064@findex hostfwd_remove 1065Remove host-to-guest TCP or UDP redirection. 1066ETEXI 1067 1068 { 1069 .name = "balloon", 1070 .args_type = "value:M", 1071 .params = "target", 1072 .help = "request VM to change its memory allocation (in MB)", 1073 .mhandler.cmd = hmp_balloon, 1074 }, 1075 1076STEXI 1077@item balloon @var{value} 1078@findex balloon 1079Request VM to change its memory allocation to @var{value} (in MB). 1080ETEXI 1081 1082 { 1083 .name = "set_link", 1084 .args_type = "name:s,up:b", 1085 .params = "name on|off", 1086 .help = "change the link status of a network adapter", 1087 .mhandler.cmd = hmp_set_link, 1088 }, 1089 1090STEXI 1091@item set_link @var{name} [on|off] 1092@findex set_link 1093Switch link @var{name} on (i.e. up) or off (i.e. down). 1094ETEXI 1095 1096 { 1097 .name = "watchdog_action", 1098 .args_type = "action:s", 1099 .params = "[reset|shutdown|poweroff|pause|debug|none]", 1100 .help = "change watchdog action", 1101 .mhandler.cmd = do_watchdog_action, 1102 }, 1103 1104STEXI 1105@item watchdog_action 1106@findex watchdog_action 1107Change watchdog action. 1108ETEXI 1109 1110 { 1111 .name = "acl_show", 1112 .args_type = "aclname:s", 1113 .params = "aclname", 1114 .help = "list rules in the access control list", 1115 .mhandler.cmd = do_acl_show, 1116 }, 1117 1118STEXI 1119@item acl_show @var{aclname} 1120@findex acl_show 1121List all the matching rules in the access control list, and the default 1122policy. There are currently two named access control lists, 1123@var{vnc.x509dname} and @var{vnc.username} matching on the x509 client 1124certificate distinguished name, and SASL username respectively. 1125ETEXI 1126 1127 { 1128 .name = "acl_policy", 1129 .args_type = "aclname:s,policy:s", 1130 .params = "aclname allow|deny", 1131 .help = "set default access control list policy", 1132 .mhandler.cmd = do_acl_policy, 1133 }, 1134 1135STEXI 1136@item acl_policy @var{aclname} @code{allow|deny} 1137@findex acl_policy 1138Set the default access control list policy, used in the event that 1139none of the explicit rules match. The default policy at startup is 1140always @code{deny}. 1141ETEXI 1142 1143 { 1144 .name = "acl_add", 1145 .args_type = "aclname:s,match:s,policy:s,index:i?", 1146 .params = "aclname match allow|deny [index]", 1147 .help = "add a match rule to the access control list", 1148 .mhandler.cmd = do_acl_add, 1149 }, 1150 1151STEXI 1152@item acl_add @var{aclname} @var{match} @code{allow|deny} [@var{index}] 1153@findex acl_add 1154Add a match rule to the access control list, allowing or denying access. 1155The match will normally be an exact username or x509 distinguished name, 1156but can optionally include wildcard globs. eg @code{*@@EXAMPLE.COM} to 1157allow all users in the @code{EXAMPLE.COM} kerberos realm. The match will 1158normally be appended to the end of the ACL, but can be inserted 1159earlier in the list if the optional @var{index} parameter is supplied. 1160ETEXI 1161 1162 { 1163 .name = "acl_remove", 1164 .args_type = "aclname:s,match:s", 1165 .params = "aclname match", 1166 .help = "remove a match rule from the access control list", 1167 .mhandler.cmd = do_acl_remove, 1168 }, 1169 1170STEXI 1171@item acl_remove @var{aclname} @var{match} 1172@findex acl_remove 1173Remove the specified match rule from the access control list. 1174ETEXI 1175 1176 { 1177 .name = "acl_reset", 1178 .args_type = "aclname:s", 1179 .params = "aclname", 1180 .help = "reset the access control list", 1181 .mhandler.cmd = do_acl_reset, 1182 }, 1183 1184STEXI 1185@item acl_reset @var{aclname} 1186@findex acl_reset 1187Remove all matches from the access control list, and set the default 1188policy back to @code{deny}. 1189ETEXI 1190 1191#if defined(TARGET_I386) 1192 1193 { 1194 .name = "mce", 1195 .args_type = "broadcast:-b,cpu_index:i,bank:i,status:l,mcg_status:l,addr:l,misc:l", 1196 .params = "[-b] cpu bank status mcgstatus addr misc", 1197 .help = "inject a MCE on the given CPU [and broadcast to other CPUs with -b option]", 1198 .mhandler.cmd = do_inject_mce, 1199 }, 1200 1201#endif 1202STEXI 1203@item mce @var{cpu} @var{bank} @var{status} @var{mcgstatus} @var{addr} @var{misc} 1204@findex mce (x86) 1205Inject an MCE on the given CPU (x86 only). 1206ETEXI 1207 1208 { 1209 .name = "getfd", 1210 .args_type = "fdname:s", 1211 .params = "getfd name", 1212 .help = "receive a file descriptor via SCM rights and assign it a name", 1213 .user_print = monitor_user_noop, 1214 .mhandler.cmd_new = do_getfd, 1215 }, 1216 1217STEXI 1218@item getfd @var{fdname} 1219@findex getfd 1220If a file descriptor is passed alongside this command using the SCM_RIGHTS 1221mechanism on unix sockets, it is stored using the name @var{fdname} for 1222later use by other monitor commands. 1223ETEXI 1224 1225 { 1226 .name = "closefd", 1227 .args_type = "fdname:s", 1228 .params = "closefd name", 1229 .help = "close a file descriptor previously passed via SCM rights", 1230 .user_print = monitor_user_noop, 1231 .mhandler.cmd_new = do_closefd, 1232 }, 1233 1234STEXI 1235@item closefd @var{fdname} 1236@findex closefd 1237Close the file descriptor previously assigned to @var{fdname} using the 1238@code{getfd} command. This is only needed if the file descriptor was never 1239used by another monitor command. 1240ETEXI 1241 1242 { 1243 .name = "block_passwd", 1244 .args_type = "device:B,password:s", 1245 .params = "block_passwd device password", 1246 .help = "set the password of encrypted block devices", 1247 .mhandler.cmd = hmp_block_passwd, 1248 }, 1249 1250STEXI 1251@item block_set_io_throttle @var{device} @var{bps} @var{bps_rd} @var{bps_wr} @var{iops} @var{iops_rd} @var{iops_wr} 1252@findex block_set_io_throttle 1253Change 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} 1254ETEXI 1255 1256 { 1257 .name = "block_set_io_throttle", 1258 .args_type = "device:B,bps:l,bps_rd:l,bps_wr:l,iops:l,iops_rd:l,iops_wr:l", 1259 .params = "device bps bps_rd bps_wr iops iops_rd iops_wr", 1260 .help = "change I/O throttle limits for a block drive", 1261 .mhandler.cmd = hmp_block_set_io_throttle, 1262 }, 1263 1264STEXI 1265@item block_passwd @var{device} @var{password} 1266@findex block_passwd 1267Set the encrypted device @var{device} password to @var{password} 1268ETEXI 1269 1270 { 1271 .name = "set_password", 1272 .args_type = "protocol:s,password:s,connected:s?", 1273 .params = "protocol password action-if-connected", 1274 .help = "set spice/vnc password", 1275 .mhandler.cmd = hmp_set_password, 1276 }, 1277 1278STEXI 1279@item set_password [ vnc | spice ] password [ action-if-connected ] 1280@findex set_password 1281 1282Change spice/vnc password. Use zero to make the password stay valid 1283forever. @var{action-if-connected} specifies what should happen in 1284case a connection is established: @var{fail} makes the password change 1285fail. @var{disconnect} changes the password and disconnects the 1286client. @var{keep} changes the password and keeps the connection up. 1287@var{keep} is the default. 1288ETEXI 1289 1290 { 1291 .name = "expire_password", 1292 .args_type = "protocol:s,time:s", 1293 .params = "protocol time", 1294 .help = "set spice/vnc password expire-time", 1295 .mhandler.cmd = hmp_expire_password, 1296 }, 1297 1298STEXI 1299@item expire_password [ vnc | spice ] expire-time 1300@findex expire_password 1301 1302Specify when a password for spice/vnc becomes 1303invalid. @var{expire-time} accepts: 1304 1305@table @var 1306@item now 1307Invalidate password instantly. 1308 1309@item never 1310Password stays valid forever. 1311 1312@item +nsec 1313Password stays valid for @var{nsec} seconds starting now. 1314 1315@item nsec 1316Password is invalidated at the given time. @var{nsec} are the seconds 1317passed since 1970, i.e. unix epoch. 1318 1319@end table 1320ETEXI 1321 1322 { 1323 .name = "info", 1324 .args_type = "item:s?", 1325 .params = "[subcommand]", 1326 .help = "show various information about the system state", 1327 .mhandler.cmd = do_info, 1328 }, 1329 1330STEXI 1331@item info @var{subcommand} 1332@findex info 1333Show various information about the system state. 1334 1335@table @option 1336@item info version 1337show the version of QEMU 1338@item info network 1339show the various VLANs and the associated devices 1340@item info chardev 1341show the character devices 1342@item info block 1343show the block devices 1344@item info blockstats 1345show block device statistics 1346@item info registers 1347show the cpu registers 1348@item info cpus 1349show infos for each CPU 1350@item info history 1351show the command line history 1352@item info irq 1353show the interrupts statistics (if available) 1354@item info pic 1355show i8259 (PIC) state 1356@item info pci 1357show emulated PCI device info 1358@item info tlb 1359show virtual to physical memory mappings (i386, SH4, SPARC, PPC, and Xtensa only) 1360@item info mem 1361show the active virtual memory mappings (i386 only) 1362@item info jit 1363show dynamic compiler info 1364@item info numa 1365show NUMA information 1366@item info kvm 1367show KVM information 1368@item info usb 1369show USB devices plugged on the virtual USB hub 1370@item info usbhost 1371show all USB host devices 1372@item info profile 1373show profiling information 1374@item info capture 1375show information about active capturing 1376@item info snapshots 1377show list of VM snapshots 1378@item info status 1379show the current VM status (running|paused) 1380@item info pcmcia 1381show guest PCMCIA status 1382@item info mice 1383show which guest mouse is receiving events 1384@item info vnc 1385show the vnc server status 1386@item info name 1387show the current VM name 1388@item info uuid 1389show the current VM UUID 1390@item info cpustats 1391show CPU statistics 1392@item info usernet 1393show user network stack connection states 1394@item info migrate 1395show migration status 1396@item info balloon 1397show balloon information 1398@item info qtree 1399show device tree 1400@item info qdm 1401show qdev device model list 1402@item info roms 1403show roms 1404@end table 1405ETEXI 1406 1407#ifdef CONFIG_TRACE_SIMPLE 1408STEXI 1409@item info trace 1410show contents of trace buffer 1411ETEXI 1412#endif 1413 1414STEXI 1415@item info trace-events 1416show available trace events and their state 1417ETEXI 1418 1419STEXI 1420@end table 1421ETEXI 1422