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 .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 .cmd = hmp_commit, 32 }, 33 34STEXI 35@item commit 36@findex commit 37Commit changes to the disk images (if -snapshot is used) or backing files. 38If the backing file is smaller than the snapshot, then the backing file will be 39resized to be the same size as the snapshot. If the snapshot is smaller than 40the backing file, the backing file will not be truncated. If you want the 41backing file to match the size of the smaller snapshot, you can safely truncate 42it yourself once the commit operation successfully completes. 43ETEXI 44 45 { 46 .name = "q|quit", 47 .args_type = "", 48 .params = "", 49 .help = "quit the emulator", 50 .cmd = hmp_quit, 51 }, 52 53STEXI 54@item q or quit 55@findex quit 56Quit the emulator. 57ETEXI 58 59 { 60 .name = "block_resize", 61 .args_type = "device:B,size:o", 62 .params = "device size", 63 .help = "resize a block image", 64 .cmd = hmp_block_resize, 65 }, 66 67STEXI 68@item block_resize 69@findex block_resize 70Resize a block image while a guest is running. Usually requires guest 71action to see the updated size. Resize to a lower size is supported, 72but should be used with extreme caution. Note that this command only 73resizes image files, it can not resize block devices like LVM volumes. 74ETEXI 75 76 { 77 .name = "block_stream", 78 .args_type = "device:B,speed:o?,base:s?", 79 .params = "device [speed [base]]", 80 .help = "copy data from a backing file into a block device", 81 .cmd = hmp_block_stream, 82 }, 83 84STEXI 85@item block_stream 86@findex block_stream 87Copy data from a backing file into a block device. 88ETEXI 89 90 { 91 .name = "block_job_set_speed", 92 .args_type = "device:B,speed:o", 93 .params = "device speed", 94 .help = "set maximum speed for a background block operation", 95 .cmd = hmp_block_job_set_speed, 96 }, 97 98STEXI 99@item block_job_set_speed 100@findex block_job_set_speed 101Set maximum speed for a background block operation. 102ETEXI 103 104 { 105 .name = "block_job_cancel", 106 .args_type = "force:-f,device:B", 107 .params = "[-f] device", 108 .help = "stop an active background block operation (use -f" 109 "\n\t\t\t if the operation is currently paused)", 110 .cmd = hmp_block_job_cancel, 111 }, 112 113STEXI 114@item block_job_cancel 115@findex block_job_cancel 116Stop an active background block operation (streaming, mirroring). 117ETEXI 118 119 { 120 .name = "block_job_complete", 121 .args_type = "device:B", 122 .params = "device", 123 .help = "stop an active background block operation", 124 .cmd = hmp_block_job_complete, 125 }, 126 127STEXI 128@item block_job_complete 129@findex block_job_complete 130Manually trigger completion of an active background block operation. 131For mirroring, this will switch the device to the destination path. 132ETEXI 133 134 { 135 .name = "block_job_pause", 136 .args_type = "device:B", 137 .params = "device", 138 .help = "pause an active background block operation", 139 .cmd = hmp_block_job_pause, 140 }, 141 142STEXI 143@item block_job_pause 144@findex block_job_pause 145Pause an active block streaming operation. 146ETEXI 147 148 { 149 .name = "block_job_resume", 150 .args_type = "device:B", 151 .params = "device", 152 .help = "resume a paused background block operation", 153 .cmd = hmp_block_job_resume, 154 }, 155 156STEXI 157@item block_job_resume 158@findex block_job_resume 159Resume a paused block streaming operation. 160ETEXI 161 162 { 163 .name = "eject", 164 .args_type = "force:-f,device:B", 165 .params = "[-f] device", 166 .help = "eject a removable medium (use -f to force it)", 167 .cmd = hmp_eject, 168 }, 169 170STEXI 171@item eject [-f] @var{device} 172@findex eject 173Eject a removable medium (use -f to force it). 174ETEXI 175 176 { 177 .name = "drive_del", 178 .args_type = "id:B", 179 .params = "device", 180 .help = "remove host block device", 181 .cmd = hmp_drive_del, 182 }, 183 184STEXI 185@item drive_del @var{device} 186@findex drive_del 187Remove host block device. The result is that guest generated IO is no longer 188submitted against the host device underlying the disk. Once a drive has 189been deleted, the QEMU Block layer returns -EIO which results in IO 190errors in the guest for applications that are reading/writing to the device. 191These errors are always reported to the guest, regardless of the drive's error 192actions (drive options rerror, werror). 193ETEXI 194 195 { 196 .name = "change", 197 .args_type = "device:B,target:F,arg:s?,read-only-mode:s?", 198 .params = "device filename [format [read-only-mode]]", 199 .help = "change a removable medium, optional format", 200 .cmd = hmp_change, 201 }, 202 203STEXI 204@item change @var{device} @var{setting} 205@findex change 206Change the configuration of a device. 207 208@table @option 209@item change @var{diskdevice} @var{filename} [@var{format} [@var{read-only-mode}]] 210Change the medium for a removable disk device to point to @var{filename}. eg 211 212@example 213(qemu) change ide1-cd0 /path/to/some.iso 214@end example 215 216@var{format} is optional. 217 218@var{read-only-mode} may be used to change the read-only status of the device. 219It accepts the following values: 220 221@table @var 222@item retain 223Retains the current status; this is the default. 224 225@item read-only 226Makes the device read-only. 227 228@item read-write 229Makes the device writable. 230@end table 231 232@item change vnc @var{display},@var{options} 233Change the configuration of the VNC server. The valid syntax for @var{display} 234and @var{options} are described at @ref{sec_invocation}. eg 235 236@example 237(qemu) change vnc localhost:1 238@end example 239 240@item change vnc password [@var{password}] 241 242Change the password associated with the VNC server. If the new password is not 243supplied, the monitor will prompt for it to be entered. VNC passwords are only 244significant up to 8 letters. eg 245 246@example 247(qemu) change vnc password 248Password: ******** 249@end example 250 251@end table 252ETEXI 253 254 { 255 .name = "screendump", 256 .args_type = "filename:F", 257 .params = "filename", 258 .help = "save screen into PPM image 'filename'", 259 .cmd = hmp_screendump, 260 }, 261 262STEXI 263@item screendump @var{filename} 264@findex screendump 265Save screen into PPM image @var{filename}. 266ETEXI 267 268 { 269 .name = "logfile", 270 .args_type = "filename:F", 271 .params = "filename", 272 .help = "output logs to 'filename'", 273 .cmd = hmp_logfile, 274 }, 275 276STEXI 277@item logfile @var{filename} 278@findex logfile 279Output logs to @var{filename}. 280ETEXI 281 282 { 283 .name = "trace-event", 284 .args_type = "name:s,option:b,vcpu:i?", 285 .params = "name on|off [vcpu]", 286 .help = "changes status of a specific trace event " 287 "(vcpu: vCPU to set, default is all)", 288 .cmd = hmp_trace_event, 289 .command_completion = trace_event_completion, 290 }, 291 292STEXI 293@item trace-event 294@findex trace-event 295changes status of a trace event 296ETEXI 297 298#if defined(CONFIG_TRACE_SIMPLE) 299 { 300 .name = "trace-file", 301 .args_type = "op:s?,arg:F?", 302 .params = "on|off|flush|set [arg]", 303 .help = "open, close, or flush trace file, or set a new file name", 304 .cmd = hmp_trace_file, 305 }, 306 307STEXI 308@item trace-file on|off|flush 309@findex trace-file 310Open, close, or flush the trace file. If no argument is given, the status of the trace file is displayed. 311ETEXI 312#endif 313 314 { 315 .name = "log", 316 .args_type = "items:s", 317 .params = "item1[,...]", 318 .help = "activate logging of the specified items", 319 .cmd = hmp_log, 320 }, 321 322STEXI 323@item log @var{item1}[,...] 324@findex log 325Activate logging of the specified items. 326ETEXI 327 328 { 329 .name = "savevm", 330 .args_type = "name:s?", 331 .params = "[tag|id]", 332 .help = "save a VM snapshot. If no tag or id are provided, a new snapshot is created", 333 .cmd = hmp_savevm, 334 }, 335 336STEXI 337@item savevm [@var{tag}|@var{id}] 338@findex savevm 339Create a snapshot of the whole virtual machine. If @var{tag} is 340provided, it is used as human readable identifier. If there is already 341a snapshot with the same tag or ID, it is replaced. More info at 342@ref{vm_snapshots}. 343ETEXI 344 345 { 346 .name = "loadvm", 347 .args_type = "name:s", 348 .params = "tag|id", 349 .help = "restore a VM snapshot from its tag or id", 350 .cmd = hmp_loadvm, 351 .command_completion = loadvm_completion, 352 }, 353 354STEXI 355@item loadvm @var{tag}|@var{id} 356@findex loadvm 357Set the whole virtual machine to the snapshot identified by the tag 358@var{tag} or the unique snapshot ID @var{id}. 359ETEXI 360 361 { 362 .name = "delvm", 363 .args_type = "name:s", 364 .params = "tag|id", 365 .help = "delete a VM snapshot from its tag or id", 366 .cmd = hmp_delvm, 367 .command_completion = delvm_completion, 368 }, 369 370STEXI 371@item delvm @var{tag}|@var{id} 372@findex delvm 373Delete the snapshot identified by @var{tag} or @var{id}. 374ETEXI 375 376 { 377 .name = "singlestep", 378 .args_type = "option:s?", 379 .params = "[on|off]", 380 .help = "run emulation in singlestep mode or switch to normal mode", 381 .cmd = hmp_singlestep, 382 }, 383 384STEXI 385@item singlestep [off] 386@findex singlestep 387Run the emulation in single step mode. 388If called with option off, the emulation returns to normal mode. 389ETEXI 390 391 { 392 .name = "stop", 393 .args_type = "", 394 .params = "", 395 .help = "stop emulation", 396 .cmd = hmp_stop, 397 }, 398 399STEXI 400@item stop 401@findex stop 402Stop emulation. 403ETEXI 404 405 { 406 .name = "c|cont", 407 .args_type = "", 408 .params = "", 409 .help = "resume emulation", 410 .cmd = hmp_cont, 411 }, 412 413STEXI 414@item c or cont 415@findex cont 416Resume emulation. 417ETEXI 418 419 { 420 .name = "system_wakeup", 421 .args_type = "", 422 .params = "", 423 .help = "wakeup guest from suspend", 424 .cmd = hmp_system_wakeup, 425 }, 426 427STEXI 428@item system_wakeup 429@findex system_wakeup 430Wakeup guest from suspend. 431ETEXI 432 433 { 434 .name = "gdbserver", 435 .args_type = "device:s?", 436 .params = "[device]", 437 .help = "start gdbserver on given device (default 'tcp::1234'), stop with 'none'", 438 .cmd = hmp_gdbserver, 439 }, 440 441STEXI 442@item gdbserver [@var{port}] 443@findex gdbserver 444Start gdbserver session (default @var{port}=1234) 445ETEXI 446 447 { 448 .name = "x", 449 .args_type = "fmt:/,addr:l", 450 .params = "/fmt addr", 451 .help = "virtual memory dump starting at 'addr'", 452 .cmd = hmp_memory_dump, 453 }, 454 455STEXI 456@item x/fmt @var{addr} 457@findex x 458Virtual memory dump starting at @var{addr}. 459ETEXI 460 461 { 462 .name = "xp", 463 .args_type = "fmt:/,addr:l", 464 .params = "/fmt addr", 465 .help = "physical memory dump starting at 'addr'", 466 .cmd = hmp_physical_memory_dump, 467 }, 468 469STEXI 470@item xp /@var{fmt} @var{addr} 471@findex xp 472Physical memory dump starting at @var{addr}. 473 474@var{fmt} is a format which tells the command how to format the 475data. Its syntax is: @option{/@{count@}@{format@}@{size@}} 476 477@table @var 478@item count 479is the number of items to be dumped. 480 481@item format 482can be x (hex), d (signed decimal), u (unsigned decimal), o (octal), 483c (char) or i (asm instruction). 484 485@item size 486can be b (8 bits), h (16 bits), w (32 bits) or g (64 bits). On x86, 487@code{h} or @code{w} can be specified with the @code{i} format to 488respectively select 16 or 32 bit code instruction size. 489 490@end table 491 492Examples: 493@itemize 494@item 495Dump 10 instructions at the current instruction pointer: 496@example 497(qemu) x/10i $eip 4980x90107063: ret 4990x90107064: sti 5000x90107065: lea 0x0(%esi,1),%esi 5010x90107069: lea 0x0(%edi,1),%edi 5020x90107070: ret 5030x90107071: jmp 0x90107080 5040x90107073: nop 5050x90107074: nop 5060x90107075: nop 5070x90107076: nop 508@end example 509 510@item 511Dump 80 16 bit values at the start of the video memory. 512@smallexample 513(qemu) xp/80hx 0xb8000 5140x000b8000: 0x0b50 0x0b6c 0x0b65 0x0b78 0x0b38 0x0b36 0x0b2f 0x0b42 5150x000b8010: 0x0b6f 0x0b63 0x0b68 0x0b73 0x0b20 0x0b56 0x0b47 0x0b41 5160x000b8020: 0x0b42 0x0b69 0x0b6f 0x0b73 0x0b20 0x0b63 0x0b75 0x0b72 5170x000b8030: 0x0b72 0x0b65 0x0b6e 0x0b74 0x0b2d 0x0b63 0x0b76 0x0b73 5180x000b8040: 0x0b20 0x0b30 0x0b35 0x0b20 0x0b4e 0x0b6f 0x0b76 0x0b20 5190x000b8050: 0x0b32 0x0b30 0x0b30 0x0b33 0x0720 0x0720 0x0720 0x0720 5200x000b8060: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 5210x000b8070: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 5220x000b8080: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 5230x000b8090: 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 0x0720 524@end smallexample 525@end itemize 526ETEXI 527 528 { 529 .name = "gpa2hva", 530 .args_type = "addr:l", 531 .params = "addr", 532 .help = "print the host virtual address corresponding to a guest physical address", 533 .cmd = hmp_gpa2hva, 534 }, 535 536STEXI 537@item gpa2hva @var{addr} 538@findex gpa2hva 539Print the host virtual address at which the guest's physical address @var{addr} 540is mapped. 541ETEXI 542 543#ifdef CONFIG_LINUX 544 { 545 .name = "gpa2hpa", 546 .args_type = "addr:l", 547 .params = "addr", 548 .help = "print the host physical address corresponding to a guest physical address", 549 .cmd = hmp_gpa2hpa, 550 }, 551#endif 552 553STEXI 554@item gpa2hpa @var{addr} 555@findex gpa2hpa 556Print the host physical address at which the guest's physical address @var{addr} 557is mapped. 558ETEXI 559 560 { 561 .name = "p|print", 562 .args_type = "fmt:/,val:l", 563 .params = "/fmt expr", 564 .help = "print expression value (use $reg for CPU register access)", 565 .cmd = do_print, 566 }, 567 568STEXI 569@item p or print/@var{fmt} @var{expr} 570@findex print 571Print expression value. Only the @var{format} part of @var{fmt} is 572used. 573ETEXI 574 575 { 576 .name = "i", 577 .args_type = "fmt:/,addr:i,index:i.", 578 .params = "/fmt addr", 579 .help = "I/O port read", 580 .cmd = hmp_ioport_read, 581 }, 582 583STEXI 584@item i/@var{fmt} @var{addr} [.@var{index}] 585@findex i 586Read I/O port. 587ETEXI 588 589 { 590 .name = "o", 591 .args_type = "fmt:/,addr:i,val:i", 592 .params = "/fmt addr value", 593 .help = "I/O port write", 594 .cmd = hmp_ioport_write, 595 }, 596 597STEXI 598@item o/@var{fmt} @var{addr} @var{val} 599@findex o 600Write to I/O port. 601ETEXI 602 603 { 604 .name = "sendkey", 605 .args_type = "keys:s,hold-time:i?", 606 .params = "keys [hold_ms]", 607 .help = "send keys to the VM (e.g. 'sendkey ctrl-alt-f1', default hold time=100 ms)", 608 .cmd = hmp_sendkey, 609 .command_completion = sendkey_completion, 610 }, 611 612STEXI 613@item sendkey @var{keys} 614@findex sendkey 615Send @var{keys} to the guest. @var{keys} could be the name of the 616key or the raw value in hexadecimal format. Use @code{-} to press 617several keys simultaneously. Example: 618@example 619sendkey ctrl-alt-f1 620@end example 621 622This command is useful to send keys that your graphical user interface 623intercepts at low level, such as @code{ctrl-alt-f1} in X Window. 624ETEXI 625 626 { 627 .name = "system_reset", 628 .args_type = "", 629 .params = "", 630 .help = "reset the system", 631 .cmd = hmp_system_reset, 632 }, 633 634STEXI 635@item system_reset 636@findex system_reset 637Reset the system. 638ETEXI 639 640 { 641 .name = "system_powerdown", 642 .args_type = "", 643 .params = "", 644 .help = "send system power down event", 645 .cmd = hmp_system_powerdown, 646 }, 647 648STEXI 649@item system_powerdown 650@findex system_powerdown 651Power down the system (if supported). 652ETEXI 653 654 { 655 .name = "sum", 656 .args_type = "start:i,size:i", 657 .params = "addr size", 658 .help = "compute the checksum of a memory region", 659 .cmd = hmp_sum, 660 }, 661 662STEXI 663@item sum @var{addr} @var{size} 664@findex sum 665Compute the checksum of a memory region. 666ETEXI 667 668 { 669 .name = "device_add", 670 .args_type = "device:O", 671 .params = "driver[,prop=value][,...]", 672 .help = "add device, like -device on the command line", 673 .cmd = hmp_device_add, 674 .command_completion = device_add_completion, 675 }, 676 677STEXI 678@item device_add @var{config} 679@findex device_add 680Add device. 681ETEXI 682 683 { 684 .name = "device_del", 685 .args_type = "id:s", 686 .params = "device", 687 .help = "remove device", 688 .cmd = hmp_device_del, 689 .command_completion = device_del_completion, 690 }, 691 692STEXI 693@item device_del @var{id} 694@findex device_del 695Remove device @var{id}. @var{id} may be a short ID 696or a QOM object path. 697ETEXI 698 699 { 700 .name = "cpu", 701 .args_type = "index:i", 702 .params = "index", 703 .help = "set the default CPU", 704 .cmd = hmp_cpu, 705 }, 706 707STEXI 708@item cpu @var{index} 709@findex cpu 710Set the default CPU. 711ETEXI 712 713 { 714 .name = "mouse_move", 715 .args_type = "dx_str:s,dy_str:s,dz_str:s?", 716 .params = "dx dy [dz]", 717 .help = "send mouse move events", 718 .cmd = hmp_mouse_move, 719 }, 720 721STEXI 722@item mouse_move @var{dx} @var{dy} [@var{dz}] 723@findex mouse_move 724Move the active mouse to the specified coordinates @var{dx} @var{dy} 725with optional scroll axis @var{dz}. 726ETEXI 727 728 { 729 .name = "mouse_button", 730 .args_type = "button_state:i", 731 .params = "state", 732 .help = "change mouse button state (1=L, 2=M, 4=R)", 733 .cmd = hmp_mouse_button, 734 }, 735 736STEXI 737@item mouse_button @var{val} 738@findex mouse_button 739Change the active mouse button state @var{val} (1=L, 2=M, 4=R). 740ETEXI 741 742 { 743 .name = "mouse_set", 744 .args_type = "index:i", 745 .params = "index", 746 .help = "set which mouse device receives events", 747 .cmd = hmp_mouse_set, 748 }, 749 750STEXI 751@item mouse_set @var{index} 752@findex mouse_set 753Set which mouse device receives events at given @var{index}, index 754can be obtained with 755@example 756info mice 757@end example 758ETEXI 759 760 { 761 .name = "wavcapture", 762 .args_type = "path:F,freq:i?,bits:i?,nchannels:i?", 763 .params = "path [frequency [bits [channels]]]", 764 .help = "capture audio to a wave file (default frequency=44100 bits=16 channels=2)", 765 .cmd = hmp_wavcapture, 766 }, 767STEXI 768@item wavcapture @var{filename} [@var{frequency} [@var{bits} [@var{channels}]]] 769@findex wavcapture 770Capture audio into @var{filename}. Using sample rate @var{frequency} 771bits per sample @var{bits} and number of channels @var{channels}. 772 773Defaults: 774@itemize @minus 775@item Sample rate = 44100 Hz - CD quality 776@item Bits = 16 777@item Number of channels = 2 - Stereo 778@end itemize 779ETEXI 780 781 { 782 .name = "stopcapture", 783 .args_type = "n:i", 784 .params = "capture index", 785 .help = "stop capture", 786 .cmd = hmp_stopcapture, 787 }, 788STEXI 789@item stopcapture @var{index} 790@findex stopcapture 791Stop capture with a given @var{index}, index can be obtained with 792@example 793info capture 794@end example 795ETEXI 796 797 { 798 .name = "memsave", 799 .args_type = "val:l,size:i,filename:s", 800 .params = "addr size file", 801 .help = "save to disk virtual memory dump starting at 'addr' of size 'size'", 802 .cmd = hmp_memsave, 803 }, 804 805STEXI 806@item memsave @var{addr} @var{size} @var{file} 807@findex memsave 808save to disk virtual memory dump starting at @var{addr} of size @var{size}. 809ETEXI 810 811 { 812 .name = "pmemsave", 813 .args_type = "val:l,size:i,filename:s", 814 .params = "addr size file", 815 .help = "save to disk physical memory dump starting at 'addr' of size 'size'", 816 .cmd = hmp_pmemsave, 817 }, 818 819STEXI 820@item pmemsave @var{addr} @var{size} @var{file} 821@findex pmemsave 822save to disk physical memory dump starting at @var{addr} of size @var{size}. 823ETEXI 824 825 { 826 .name = "boot_set", 827 .args_type = "bootdevice:s", 828 .params = "bootdevice", 829 .help = "define new values for the boot device list", 830 .cmd = hmp_boot_set, 831 }, 832 833STEXI 834@item boot_set @var{bootdevicelist} 835@findex boot_set 836Define new values for the boot device list. Those values will override 837the values specified on the command line through the @code{-boot} option. 838 839The values that can be specified here depend on the machine type, but are 840the same that can be specified in the @code{-boot} command line option. 841ETEXI 842 843 { 844 .name = "nmi", 845 .args_type = "", 846 .params = "", 847 .help = "inject an NMI", 848 .cmd = hmp_nmi, 849 }, 850STEXI 851@item nmi @var{cpu} 852@findex nmi 853Inject an NMI on the default CPU (x86/s390) or all CPUs (ppc64). 854 855ETEXI 856 857 { 858 .name = "ringbuf_write", 859 .args_type = "device:s,data:s", 860 .params = "device data", 861 .help = "Write to a ring buffer character device", 862 .cmd = hmp_ringbuf_write, 863 .command_completion = ringbuf_write_completion, 864 }, 865 866STEXI 867@item ringbuf_write @var{device} @var{data} 868@findex ringbuf_write 869Write @var{data} to ring buffer character device @var{device}. 870@var{data} must be a UTF-8 string. 871 872ETEXI 873 874 { 875 .name = "ringbuf_read", 876 .args_type = "device:s,size:i", 877 .params = "device size", 878 .help = "Read from a ring buffer character device", 879 .cmd = hmp_ringbuf_read, 880 .command_completion = ringbuf_write_completion, 881 }, 882 883STEXI 884@item ringbuf_read @var{device} 885@findex ringbuf_read 886Read and print up to @var{size} bytes from ring buffer character 887device @var{device}. 888Certain non-printable characters are printed \uXXXX, where XXXX is the 889character code in hexadecimal. Character \ is printed \\. 890Bug: can screw up when the buffer contains invalid UTF-8 sequences, 891NUL characters, after the ring buffer lost data, and when reading 892stops because the size limit is reached. 893 894ETEXI 895 896 { 897 .name = "migrate", 898 .args_type = "detach:-d,blk:-b,inc:-i,uri:s", 899 .params = "[-d] [-b] [-i] uri", 900 .help = "migrate to URI (using -d to not wait for completion)" 901 "\n\t\t\t -b for migration without shared storage with" 902 " full copy of disk\n\t\t\t -i for migration without " 903 "shared storage with incremental copy of disk " 904 "(base image shared between src and destination)", 905 .cmd = hmp_migrate, 906 }, 907 908 909STEXI 910@item migrate [-d] [-b] [-i] @var{uri} 911@findex migrate 912Migrate to @var{uri} (using -d to not wait for completion). 913 -b for migration with full copy of disk 914 -i for migration with incremental copy of disk (base image is shared) 915ETEXI 916 917 { 918 .name = "migrate_cancel", 919 .args_type = "", 920 .params = "", 921 .help = "cancel the current VM migration", 922 .cmd = hmp_migrate_cancel, 923 }, 924 925STEXI 926@item migrate_cancel 927@findex migrate_cancel 928Cancel the current VM migration. 929ETEXI 930 931 { 932 .name = "migrate_continue", 933 .args_type = "state:s", 934 .params = "state", 935 .help = "Continue migration from the given paused state", 936 .cmd = hmp_migrate_continue, 937 }, 938STEXI 939@item migrate_continue @var{state} 940@findex migrate_continue 941Continue migration from the paused state @var{state} 942ETEXI 943 944 { 945 .name = "migrate_incoming", 946 .args_type = "uri:s", 947 .params = "uri", 948 .help = "Continue an incoming migration from an -incoming defer", 949 .cmd = hmp_migrate_incoming, 950 }, 951 952STEXI 953@item migrate_incoming @var{uri} 954@findex migrate_incoming 955Continue an incoming migration using the @var{uri} (that has the same syntax 956as the -incoming option). 957 958ETEXI 959 960 { 961 .name = "migrate_set_cache_size", 962 .args_type = "value:o", 963 .params = "value", 964 .help = "set cache size (in bytes) for XBZRLE migrations," 965 "the cache size will be rounded down to the nearest " 966 "power of 2.\n" 967 "The cache size affects the number of cache misses." 968 "In case of a high cache miss ratio you need to increase" 969 " the cache size", 970 .cmd = hmp_migrate_set_cache_size, 971 }, 972 973STEXI 974@item migrate_set_cache_size @var{value} 975@findex migrate_set_cache_size 976Set cache size to @var{value} (in bytes) for xbzrle migrations. 977ETEXI 978 979 { 980 .name = "migrate_set_speed", 981 .args_type = "value:o", 982 .params = "value", 983 .help = "set maximum speed (in bytes) for migrations. " 984 "Defaults to MB if no size suffix is specified, ie. B/K/M/G/T", 985 .cmd = hmp_migrate_set_speed, 986 }, 987 988STEXI 989@item migrate_set_speed @var{value} 990@findex migrate_set_speed 991Set maximum speed to @var{value} (in bytes) for migrations. 992ETEXI 993 994 { 995 .name = "migrate_set_downtime", 996 .args_type = "value:T", 997 .params = "value", 998 .help = "set maximum tolerated downtime (in seconds) for migrations", 999 .cmd = hmp_migrate_set_downtime, 1000 }, 1001 1002STEXI 1003@item migrate_set_downtime @var{second} 1004@findex migrate_set_downtime 1005Set maximum tolerated downtime (in seconds) for migration. 1006ETEXI 1007 1008 { 1009 .name = "migrate_set_capability", 1010 .args_type = "capability:s,state:b", 1011 .params = "capability state", 1012 .help = "Enable/Disable the usage of a capability for migration", 1013 .cmd = hmp_migrate_set_capability, 1014 .command_completion = migrate_set_capability_completion, 1015 }, 1016 1017STEXI 1018@item migrate_set_capability @var{capability} @var{state} 1019@findex migrate_set_capability 1020Enable/Disable the usage of a capability @var{capability} for migration. 1021ETEXI 1022 1023 { 1024 .name = "migrate_set_parameter", 1025 .args_type = "parameter:s,value:s", 1026 .params = "parameter value", 1027 .help = "Set the parameter for migration", 1028 .cmd = hmp_migrate_set_parameter, 1029 .command_completion = migrate_set_parameter_completion, 1030 }, 1031 1032STEXI 1033@item migrate_set_parameter @var{parameter} @var{value} 1034@findex migrate_set_parameter 1035Set the parameter @var{parameter} for migration. 1036ETEXI 1037 1038 { 1039 .name = "migrate_start_postcopy", 1040 .args_type = "", 1041 .params = "", 1042 .help = "Followup to a migration command to switch the migration" 1043 " to postcopy mode. The postcopy-ram capability must " 1044 "be set before the original migration command.", 1045 .cmd = hmp_migrate_start_postcopy, 1046 }, 1047 1048STEXI 1049@item migrate_start_postcopy 1050@findex migrate_start_postcopy 1051Switch in-progress migration to postcopy mode. Ignored after the end of 1052migration (or once already in postcopy). 1053ETEXI 1054 1055 { 1056 .name = "x_colo_lost_heartbeat", 1057 .args_type = "", 1058 .params = "", 1059 .help = "Tell COLO that heartbeat is lost,\n\t\t\t" 1060 "a failover or takeover is needed.", 1061 .cmd = hmp_x_colo_lost_heartbeat, 1062 }, 1063 1064STEXI 1065@item x_colo_lost_heartbeat 1066@findex x_colo_lost_heartbeat 1067Tell COLO that heartbeat is lost, a failover or takeover is needed. 1068ETEXI 1069 1070 { 1071 .name = "client_migrate_info", 1072 .args_type = "protocol:s,hostname:s,port:i?,tls-port:i?,cert-subject:s?", 1073 .params = "protocol hostname port tls-port cert-subject", 1074 .help = "set migration information for remote display", 1075 .cmd = hmp_client_migrate_info, 1076 }, 1077 1078STEXI 1079@item client_migrate_info @var{protocol} @var{hostname} @var{port} @var{tls-port} @var{cert-subject} 1080@findex client_migrate_info 1081Set migration information for remote display. This makes the server 1082ask the client to automatically reconnect using the new parameters 1083once migration finished successfully. Only implemented for SPICE. 1084ETEXI 1085 1086 { 1087 .name = "dump-guest-memory", 1088 .args_type = "paging:-p,detach:-d,zlib:-z,lzo:-l,snappy:-s,filename:F,begin:i?,length:i?", 1089 .params = "[-p] [-d] [-z|-l|-s] filename [begin length]", 1090 .help = "dump guest memory into file 'filename'.\n\t\t\t" 1091 "-p: do paging to get guest's memory mapping.\n\t\t\t" 1092 "-d: return immediately (do not wait for completion).\n\t\t\t" 1093 "-z: dump in kdump-compressed format, with zlib compression.\n\t\t\t" 1094 "-l: dump in kdump-compressed format, with lzo compression.\n\t\t\t" 1095 "-s: dump in kdump-compressed format, with snappy compression.\n\t\t\t" 1096 "begin: the starting physical address.\n\t\t\t" 1097 "length: the memory size, in bytes.", 1098 .cmd = hmp_dump_guest_memory, 1099 }, 1100 1101 1102STEXI 1103@item dump-guest-memory [-p] @var{filename} @var{begin} @var{length} 1104@item dump-guest-memory [-z|-l|-s] @var{filename} 1105@findex dump-guest-memory 1106Dump guest memory to @var{protocol}. The file can be processed with crash or 1107gdb. Without -z|-l|-s, the dump format is ELF. 1108 -p: do paging to get guest's memory mapping. 1109 -z: dump in kdump-compressed format, with zlib compression. 1110 -l: dump in kdump-compressed format, with lzo compression. 1111 -s: dump in kdump-compressed format, with snappy compression. 1112 filename: dump file name. 1113 begin: the starting physical address. It's optional, and should be 1114 specified together with length. 1115 length: the memory size, in bytes. It's optional, and should be specified 1116 together with begin. 1117ETEXI 1118 1119#if defined(TARGET_S390X) 1120 { 1121 .name = "dump-skeys", 1122 .args_type = "filename:F", 1123 .params = "", 1124 .help = "Save guest storage keys into file 'filename'.\n", 1125 .cmd = hmp_dump_skeys, 1126 }, 1127#endif 1128 1129STEXI 1130@item dump-skeys @var{filename} 1131@findex dump-skeys 1132Save guest storage keys to a file. 1133ETEXI 1134 1135#if defined(TARGET_S390X) 1136 { 1137 .name = "migration_mode", 1138 .args_type = "mode:i", 1139 .params = "mode", 1140 .help = "Enables or disables migration mode\n", 1141 .cmd = hmp_migrationmode, 1142 }, 1143#endif 1144 1145STEXI 1146@item migration_mode @var{mode} 1147@findex migration_mode 1148Enables or disables migration mode. 1149ETEXI 1150 1151 { 1152 .name = "snapshot_blkdev", 1153 .args_type = "reuse:-n,device:B,snapshot-file:s?,format:s?", 1154 .params = "[-n] device [new-image-file] [format]", 1155 .help = "initiates a live snapshot\n\t\t\t" 1156 "of device. If a new image file is specified, the\n\t\t\t" 1157 "new image file will become the new root image.\n\t\t\t" 1158 "If format is specified, the snapshot file will\n\t\t\t" 1159 "be created in that format.\n\t\t\t" 1160 "The default format is qcow2. The -n flag requests QEMU\n\t\t\t" 1161 "to reuse the image found in new-image-file, instead of\n\t\t\t" 1162 "recreating it from scratch.", 1163 .cmd = hmp_snapshot_blkdev, 1164 }, 1165 1166STEXI 1167@item snapshot_blkdev 1168@findex snapshot_blkdev 1169Snapshot device, using snapshot file as target if provided 1170ETEXI 1171 1172 { 1173 .name = "snapshot_blkdev_internal", 1174 .args_type = "device:B,name:s", 1175 .params = "device name", 1176 .help = "take an internal snapshot of device.\n\t\t\t" 1177 "The format of the image used by device must\n\t\t\t" 1178 "support it, such as qcow2.\n\t\t\t", 1179 .cmd = hmp_snapshot_blkdev_internal, 1180 }, 1181 1182STEXI 1183@item snapshot_blkdev_internal 1184@findex snapshot_blkdev_internal 1185Take an internal snapshot on device if it support 1186ETEXI 1187 1188 { 1189 .name = "snapshot_delete_blkdev_internal", 1190 .args_type = "device:B,name:s,id:s?", 1191 .params = "device name [id]", 1192 .help = "delete an internal snapshot of device.\n\t\t\t" 1193 "If id is specified, qemu will try delete\n\t\t\t" 1194 "the snapshot matching both id and name.\n\t\t\t" 1195 "The format of the image used by device must\n\t\t\t" 1196 "support it, such as qcow2.\n\t\t\t", 1197 .cmd = hmp_snapshot_delete_blkdev_internal, 1198 }, 1199 1200STEXI 1201@item snapshot_delete_blkdev_internal 1202@findex snapshot_delete_blkdev_internal 1203Delete an internal snapshot on device if it support 1204ETEXI 1205 1206 { 1207 .name = "drive_mirror", 1208 .args_type = "reuse:-n,full:-f,device:B,target:s,format:s?", 1209 .params = "[-n] [-f] device target [format]", 1210 .help = "initiates live storage\n\t\t\t" 1211 "migration for a device. The device's contents are\n\t\t\t" 1212 "copied to the new image file, including data that\n\t\t\t" 1213 "is written after the command is started.\n\t\t\t" 1214 "The -n flag requests QEMU to reuse the image found\n\t\t\t" 1215 "in new-image-file, instead of recreating it from scratch.\n\t\t\t" 1216 "The -f flag requests QEMU to copy the whole disk,\n\t\t\t" 1217 "so that the result does not need a backing file.\n\t\t\t", 1218 .cmd = hmp_drive_mirror, 1219 }, 1220STEXI 1221@item drive_mirror 1222@findex drive_mirror 1223Start mirroring a block device's writes to a new destination, 1224using the specified target. 1225ETEXI 1226 1227 { 1228 .name = "drive_backup", 1229 .args_type = "reuse:-n,full:-f,compress:-c,device:B,target:s,format:s?", 1230 .params = "[-n] [-f] [-c] device target [format]", 1231 .help = "initiates a point-in-time\n\t\t\t" 1232 "copy for a device. The device's contents are\n\t\t\t" 1233 "copied to the new image file, excluding data that\n\t\t\t" 1234 "is written after the command is started.\n\t\t\t" 1235 "The -n flag requests QEMU to reuse the image found\n\t\t\t" 1236 "in new-image-file, instead of recreating it from scratch.\n\t\t\t" 1237 "The -f flag requests QEMU to copy the whole disk,\n\t\t\t" 1238 "so that the result does not need a backing file.\n\t\t\t" 1239 "The -c flag requests QEMU to compress backup data\n\t\t\t" 1240 "(if the target format supports it).\n\t\t\t", 1241 .cmd = hmp_drive_backup, 1242 }, 1243STEXI 1244@item drive_backup 1245@findex drive_backup 1246Start a point-in-time copy of a block device to a specificed target. 1247ETEXI 1248 1249 { 1250 .name = "drive_add", 1251 .args_type = "node:-n,pci_addr:s,opts:s", 1252 .params = "[-n] [[<domain>:]<bus>:]<slot>\n" 1253 "[file=file][,if=type][,bus=n]\n" 1254 "[,unit=m][,media=d][,index=i]\n" 1255 "[,cyls=c,heads=h,secs=s[,trans=t]]\n" 1256 "[,snapshot=on|off][,cache=on|off]\n" 1257 "[,readonly=on|off][,copy-on-read=on|off]", 1258 .help = "add drive to PCI storage controller", 1259 .cmd = hmp_drive_add, 1260 }, 1261 1262STEXI 1263@item drive_add 1264@findex drive_add 1265Add drive to PCI storage controller. 1266ETEXI 1267 1268 { 1269 .name = "pcie_aer_inject_error", 1270 .args_type = "advisory_non_fatal:-a,correctable:-c," 1271 "id:s,error_status:s," 1272 "header0:i?,header1:i?,header2:i?,header3:i?," 1273 "prefix0:i?,prefix1:i?,prefix2:i?,prefix3:i?", 1274 .params = "[-a] [-c] id " 1275 "<error_status> [<tlp header> [<tlp header prefix>]]", 1276 .help = "inject pcie aer error\n\t\t\t" 1277 " -a for advisory non fatal error\n\t\t\t" 1278 " -c for correctable error\n\t\t\t" 1279 "<id> = qdev device id\n\t\t\t" 1280 "<error_status> = error string or 32bit\n\t\t\t" 1281 "<tlb header> = 32bit x 4\n\t\t\t" 1282 "<tlb header prefix> = 32bit x 4", 1283 .cmd = hmp_pcie_aer_inject_error, 1284 }, 1285 1286STEXI 1287@item pcie_aer_inject_error 1288@findex pcie_aer_inject_error 1289Inject PCIe AER error 1290ETEXI 1291 1292 { 1293 .name = "host_net_add", 1294 .args_type = "device:s,opts:s?", 1295 .params = "tap|user|socket|vde|netmap|bridge|vhost-user|dump [options]", 1296 .help = "add host VLAN client (deprecated, use netdev_add instead)", 1297 .cmd = hmp_host_net_add, 1298 .command_completion = host_net_add_completion, 1299 }, 1300 1301STEXI 1302@item host_net_add 1303@findex host_net_add 1304Add host VLAN client. Deprecated, please use @code{netdev_add} instead. 1305ETEXI 1306 1307 { 1308 .name = "host_net_remove", 1309 .args_type = "vlan_id:i,device:s", 1310 .params = "vlan_id name", 1311 .help = "remove host VLAN client (deprecated, use netdev_del instead)", 1312 .cmd = hmp_host_net_remove, 1313 .command_completion = host_net_remove_completion, 1314 }, 1315 1316STEXI 1317@item host_net_remove 1318@findex host_net_remove 1319Remove host VLAN client. Deprecated, please use @code{netdev_del} instead. 1320ETEXI 1321 1322 { 1323 .name = "netdev_add", 1324 .args_type = "netdev:O", 1325 .params = "[user|tap|socket|vde|bridge|hubport|netmap|vhost-user],id=str[,prop=value][,...]", 1326 .help = "add host network device", 1327 .cmd = hmp_netdev_add, 1328 .command_completion = netdev_add_completion, 1329 }, 1330 1331STEXI 1332@item netdev_add 1333@findex netdev_add 1334Add host network device. 1335ETEXI 1336 1337 { 1338 .name = "netdev_del", 1339 .args_type = "id:s", 1340 .params = "id", 1341 .help = "remove host network device", 1342 .cmd = hmp_netdev_del, 1343 .command_completion = netdev_del_completion, 1344 }, 1345 1346STEXI 1347@item netdev_del 1348@findex netdev_del 1349Remove host network device. 1350ETEXI 1351 1352 { 1353 .name = "object_add", 1354 .args_type = "object:O", 1355 .params = "[qom-type=]type,id=str[,prop=value][,...]", 1356 .help = "create QOM object", 1357 .cmd = hmp_object_add, 1358 .command_completion = object_add_completion, 1359 }, 1360 1361STEXI 1362@item object_add 1363@findex object_add 1364Create QOM object. 1365ETEXI 1366 1367 { 1368 .name = "object_del", 1369 .args_type = "id:s", 1370 .params = "id", 1371 .help = "destroy QOM object", 1372 .cmd = hmp_object_del, 1373 .command_completion = object_del_completion, 1374 }, 1375 1376STEXI 1377@item object_del 1378@findex object_del 1379Destroy QOM object. 1380ETEXI 1381 1382#ifdef CONFIG_SLIRP 1383 { 1384 .name = "hostfwd_add", 1385 .args_type = "arg1:s,arg2:s?,arg3:s?", 1386 .params = "[vlan_id name] [tcp|udp]:[hostaddr]:hostport-[guestaddr]:guestport", 1387 .help = "redirect TCP or UDP connections from host to guest (requires -net user)", 1388 .cmd = hmp_hostfwd_add, 1389 }, 1390#endif 1391STEXI 1392@item hostfwd_add 1393@findex hostfwd_add 1394Redirect TCP or UDP connections from host to guest (requires -net user). 1395ETEXI 1396 1397#ifdef CONFIG_SLIRP 1398 { 1399 .name = "hostfwd_remove", 1400 .args_type = "arg1:s,arg2:s?,arg3:s?", 1401 .params = "[vlan_id name] [tcp|udp]:[hostaddr]:hostport", 1402 .help = "remove host-to-guest TCP or UDP redirection", 1403 .cmd = hmp_hostfwd_remove, 1404 }, 1405 1406#endif 1407STEXI 1408@item hostfwd_remove 1409@findex hostfwd_remove 1410Remove host-to-guest TCP or UDP redirection. 1411ETEXI 1412 1413 { 1414 .name = "balloon", 1415 .args_type = "value:M", 1416 .params = "target", 1417 .help = "request VM to change its memory allocation (in MB)", 1418 .cmd = hmp_balloon, 1419 }, 1420 1421STEXI 1422@item balloon @var{value} 1423@findex balloon 1424Request VM to change its memory allocation to @var{value} (in MB). 1425ETEXI 1426 1427 { 1428 .name = "set_link", 1429 .args_type = "name:s,up:b", 1430 .params = "name on|off", 1431 .help = "change the link status of a network adapter", 1432 .cmd = hmp_set_link, 1433 .command_completion = set_link_completion, 1434 }, 1435 1436STEXI 1437@item set_link @var{name} [on|off] 1438@findex set_link 1439Switch link @var{name} on (i.e. up) or off (i.e. down). 1440ETEXI 1441 1442 { 1443 .name = "watchdog_action", 1444 .args_type = "action:s", 1445 .params = "[reset|shutdown|poweroff|pause|debug|none]", 1446 .help = "change watchdog action", 1447 .cmd = hmp_watchdog_action, 1448 .command_completion = watchdog_action_completion, 1449 }, 1450 1451STEXI 1452@item watchdog_action 1453@findex watchdog_action 1454Change watchdog action. 1455ETEXI 1456 1457 { 1458 .name = "acl_show", 1459 .args_type = "aclname:s", 1460 .params = "aclname", 1461 .help = "list rules in the access control list", 1462 .cmd = hmp_acl_show, 1463 }, 1464 1465STEXI 1466@item acl_show @var{aclname} 1467@findex acl_show 1468List all the matching rules in the access control list, and the default 1469policy. There are currently two named access control lists, 1470@var{vnc.x509dname} and @var{vnc.username} matching on the x509 client 1471certificate distinguished name, and SASL username respectively. 1472ETEXI 1473 1474 { 1475 .name = "acl_policy", 1476 .args_type = "aclname:s,policy:s", 1477 .params = "aclname allow|deny", 1478 .help = "set default access control list policy", 1479 .cmd = hmp_acl_policy, 1480 }, 1481 1482STEXI 1483@item acl_policy @var{aclname} @code{allow|deny} 1484@findex acl_policy 1485Set the default access control list policy, used in the event that 1486none of the explicit rules match. The default policy at startup is 1487always @code{deny}. 1488ETEXI 1489 1490 { 1491 .name = "acl_add", 1492 .args_type = "aclname:s,match:s,policy:s,index:i?", 1493 .params = "aclname match allow|deny [index]", 1494 .help = "add a match rule to the access control list", 1495 .cmd = hmp_acl_add, 1496 }, 1497 1498STEXI 1499@item acl_add @var{aclname} @var{match} @code{allow|deny} [@var{index}] 1500@findex acl_add 1501Add a match rule to the access control list, allowing or denying access. 1502The match will normally be an exact username or x509 distinguished name, 1503but can optionally include wildcard globs. eg @code{*@@EXAMPLE.COM} to 1504allow all users in the @code{EXAMPLE.COM} kerberos realm. The match will 1505normally be appended to the end of the ACL, but can be inserted 1506earlier in the list if the optional @var{index} parameter is supplied. 1507ETEXI 1508 1509 { 1510 .name = "acl_remove", 1511 .args_type = "aclname:s,match:s", 1512 .params = "aclname match", 1513 .help = "remove a match rule from the access control list", 1514 .cmd = hmp_acl_remove, 1515 }, 1516 1517STEXI 1518@item acl_remove @var{aclname} @var{match} 1519@findex acl_remove 1520Remove the specified match rule from the access control list. 1521ETEXI 1522 1523 { 1524 .name = "acl_reset", 1525 .args_type = "aclname:s", 1526 .params = "aclname", 1527 .help = "reset the access control list", 1528 .cmd = hmp_acl_reset, 1529 }, 1530 1531STEXI 1532@item acl_reset @var{aclname} 1533@findex acl_reset 1534Remove all matches from the access control list, and set the default 1535policy back to @code{deny}. 1536ETEXI 1537 1538 { 1539 .name = "nbd_server_start", 1540 .args_type = "all:-a,writable:-w,uri:s", 1541 .params = "nbd_server_start [-a] [-w] host:port", 1542 .help = "serve block devices on the given host and port", 1543 .cmd = hmp_nbd_server_start, 1544 }, 1545STEXI 1546@item nbd_server_start @var{host}:@var{port} 1547@findex nbd_server_start 1548Start an NBD server on the given host and/or port. If the @option{-a} 1549option is included, all of the virtual machine's block devices that 1550have an inserted media on them are automatically exported; in this case, 1551the @option{-w} option makes the devices writable too. 1552ETEXI 1553 1554 { 1555 .name = "nbd_server_add", 1556 .args_type = "writable:-w,device:B", 1557 .params = "nbd_server_add [-w] device", 1558 .help = "export a block device via NBD", 1559 .cmd = hmp_nbd_server_add, 1560 }, 1561STEXI 1562@item nbd_server_add @var{device} 1563@findex nbd_server_add 1564Export a block device through QEMU's NBD server, which must be started 1565beforehand with @command{nbd_server_start}. The @option{-w} option makes the 1566exported device writable too. 1567ETEXI 1568 1569 { 1570 .name = "nbd_server_stop", 1571 .args_type = "", 1572 .params = "nbd_server_stop", 1573 .help = "stop serving block devices using the NBD protocol", 1574 .cmd = hmp_nbd_server_stop, 1575 }, 1576STEXI 1577@item nbd_server_stop 1578@findex nbd_server_stop 1579Stop the QEMU embedded NBD server. 1580ETEXI 1581 1582 1583#if defined(TARGET_I386) 1584 1585 { 1586 .name = "mce", 1587 .args_type = "broadcast:-b,cpu_index:i,bank:i,status:l,mcg_status:l,addr:l,misc:l", 1588 .params = "[-b] cpu bank status mcgstatus addr misc", 1589 .help = "inject a MCE on the given CPU [and broadcast to other CPUs with -b option]", 1590 .cmd = hmp_mce, 1591 }, 1592 1593#endif 1594STEXI 1595@item mce @var{cpu} @var{bank} @var{status} @var{mcgstatus} @var{addr} @var{misc} 1596@findex mce (x86) 1597Inject an MCE on the given CPU (x86 only). 1598ETEXI 1599 1600 { 1601 .name = "getfd", 1602 .args_type = "fdname:s", 1603 .params = "getfd name", 1604 .help = "receive a file descriptor via SCM rights and assign it a name", 1605 .cmd = hmp_getfd, 1606 }, 1607 1608STEXI 1609@item getfd @var{fdname} 1610@findex getfd 1611If a file descriptor is passed alongside this command using the SCM_RIGHTS 1612mechanism on unix sockets, it is stored using the name @var{fdname} for 1613later use by other monitor commands. 1614ETEXI 1615 1616 { 1617 .name = "closefd", 1618 .args_type = "fdname:s", 1619 .params = "closefd name", 1620 .help = "close a file descriptor previously passed via SCM rights", 1621 .cmd = hmp_closefd, 1622 }, 1623 1624STEXI 1625@item closefd @var{fdname} 1626@findex closefd 1627Close the file descriptor previously assigned to @var{fdname} using the 1628@code{getfd} command. This is only needed if the file descriptor was never 1629used by another monitor command. 1630ETEXI 1631 1632 { 1633 .name = "block_passwd", 1634 .args_type = "device:B,password:s", 1635 .params = "block_passwd device password", 1636 .help = "set the password of encrypted block devices", 1637 .cmd = hmp_block_passwd, 1638 }, 1639 1640STEXI 1641@item block_passwd @var{device} @var{password} 1642@findex block_passwd 1643Set the encrypted device @var{device} password to @var{password} 1644 1645This command is now obsolete and will always return an error since 2.10 1646ETEXI 1647 1648 { 1649 .name = "block_set_io_throttle", 1650 .args_type = "device:B,bps:l,bps_rd:l,bps_wr:l,iops:l,iops_rd:l,iops_wr:l", 1651 .params = "device bps bps_rd bps_wr iops iops_rd iops_wr", 1652 .help = "change I/O throttle limits for a block drive", 1653 .cmd = hmp_block_set_io_throttle, 1654 }, 1655 1656STEXI 1657@item block_set_io_throttle @var{device} @var{bps} @var{bps_rd} @var{bps_wr} @var{iops} @var{iops_rd} @var{iops_wr} 1658@findex block_set_io_throttle 1659Change 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} 1660ETEXI 1661 1662 { 1663 .name = "set_password", 1664 .args_type = "protocol:s,password:s,connected:s?", 1665 .params = "protocol password action-if-connected", 1666 .help = "set spice/vnc password", 1667 .cmd = hmp_set_password, 1668 }, 1669 1670STEXI 1671@item set_password [ vnc | spice ] password [ action-if-connected ] 1672@findex set_password 1673Change spice/vnc password. Use zero to make the password stay valid 1674forever. @var{action-if-connected} specifies what should happen in 1675case a connection is established: @var{fail} makes the password change 1676fail. @var{disconnect} changes the password and disconnects the 1677client. @var{keep} changes the password and keeps the connection up. 1678@var{keep} is the default. 1679ETEXI 1680 1681 { 1682 .name = "expire_password", 1683 .args_type = "protocol:s,time:s", 1684 .params = "protocol time", 1685 .help = "set spice/vnc password expire-time", 1686 .cmd = hmp_expire_password, 1687 }, 1688 1689STEXI 1690@item expire_password [ vnc | spice ] expire-time 1691@findex expire_password 1692Specify when a password for spice/vnc becomes 1693invalid. @var{expire-time} accepts: 1694 1695@table @var 1696@item now 1697Invalidate password instantly. 1698 1699@item never 1700Password stays valid forever. 1701 1702@item +nsec 1703Password stays valid for @var{nsec} seconds starting now. 1704 1705@item nsec 1706Password is invalidated at the given time. @var{nsec} are the seconds 1707passed since 1970, i.e. unix epoch. 1708 1709@end table 1710ETEXI 1711 1712 { 1713 .name = "chardev-add", 1714 .args_type = "args:s", 1715 .params = "args", 1716 .help = "add chardev", 1717 .cmd = hmp_chardev_add, 1718 .command_completion = chardev_add_completion, 1719 }, 1720 1721STEXI 1722@item chardev-add args 1723@findex chardev-add 1724chardev-add accepts the same parameters as the -chardev command line switch. 1725 1726ETEXI 1727 1728 { 1729 .name = "chardev-change", 1730 .args_type = "id:s,args:s", 1731 .params = "id args", 1732 .help = "change chardev", 1733 .cmd = hmp_chardev_change, 1734 }, 1735 1736STEXI 1737@item chardev-change args 1738@findex chardev-change 1739chardev-change accepts existing chardev @var{id} and then the same arguments 1740as the -chardev command line switch (except for "id"). 1741 1742ETEXI 1743 1744 { 1745 .name = "chardev-remove", 1746 .args_type = "id:s", 1747 .params = "id", 1748 .help = "remove chardev", 1749 .cmd = hmp_chardev_remove, 1750 .command_completion = chardev_remove_completion, 1751 }, 1752 1753STEXI 1754@item chardev-remove id 1755@findex chardev-remove 1756Removes the chardev @var{id}. 1757 1758ETEXI 1759 1760 { 1761 .name = "chardev-send-break", 1762 .args_type = "id:s", 1763 .params = "id", 1764 .help = "send a break on chardev", 1765 .cmd = hmp_chardev_send_break, 1766 .command_completion = chardev_remove_completion, 1767 }, 1768 1769STEXI 1770@item chardev-send-break id 1771@findex chardev-send-break 1772Send a break on the chardev @var{id}. 1773 1774ETEXI 1775 1776 { 1777 .name = "qemu-io", 1778 .args_type = "device:B,command:s", 1779 .params = "[device] \"[command]\"", 1780 .help = "run a qemu-io command on a block device", 1781 .cmd = hmp_qemu_io, 1782 }, 1783 1784STEXI 1785@item qemu-io @var{device} @var{command} 1786@findex qemu-io 1787Executes a qemu-io command on the given block device. 1788 1789ETEXI 1790 1791 { 1792 .name = "cpu-add", 1793 .args_type = "id:i", 1794 .params = "id", 1795 .help = "add cpu", 1796 .cmd = hmp_cpu_add, 1797 }, 1798 1799STEXI 1800@item cpu-add @var{id} 1801@findex cpu-add 1802Add CPU with id @var{id} 1803ETEXI 1804 1805 { 1806 .name = "qom-list", 1807 .args_type = "path:s?", 1808 .params = "path", 1809 .help = "list QOM properties", 1810 .cmd = hmp_qom_list, 1811 }, 1812 1813STEXI 1814@item qom-list [@var{path}] 1815Print QOM properties of object at location @var{path} 1816ETEXI 1817 1818 { 1819 .name = "qom-set", 1820 .args_type = "path:s,property:s,value:s", 1821 .params = "path property value", 1822 .help = "set QOM property", 1823 .cmd = hmp_qom_set, 1824 }, 1825 1826STEXI 1827@item qom-set @var{path} @var{property} @var{value} 1828Set QOM property @var{property} of object at location @var{path} to value @var{value} 1829ETEXI 1830 1831 { 1832 .name = "info", 1833 .args_type = "item:s?", 1834 .params = "[subcommand]", 1835 .help = "show various information about the system state", 1836 .cmd = hmp_info_help, 1837 .sub_table = info_cmds, 1838 }, 1839 1840STEXI 1841@end table 1842ETEXI 1843