.params = "[cmd]",
.help = "show the help",
.cmd = do_help_cmd,
+ .flags = "p",
},
STEXI
@item q or quit
@findex quit
Quit the emulator.
+ETEXI
+
+ {
+ .name = "exit_preconfig",
+ .args_type = "",
+ .params = "",
+ .help = "exit the preconfig state",
+ .cmd = hmp_exit_preconfig,
+ .flags = "p",
+ },
+
+STEXI
+@item exit_preconfig
+@findex exit_preconfig
+This command makes QEMU exit the preconfig state and proceed with
+VM initialization using configuration data provided on the command line
+and via the QMP monitor during the preconfig state. The command is only
+available during the preconfig state (i.e. when the --preconfig command
+line option was in use).
ETEXI
{
.args_type = "force:-f,device:B",
.params = "[-f] device",
.help = "stop an active background block operation (use -f"
- "\n\t\t\t if the operation is currently paused)",
+ "\n\t\t\t if you want to abort the operation immediately"
+ "\n\t\t\t instead of keep running until data is in sync)",
.cmd = hmp_block_job_cancel,
},
{
.name = "screendump",
- .args_type = "filename:F",
- .params = "filename",
- .help = "save screen into PPM image 'filename'",
+ .args_type = "filename:F,device:s?,head:i?",
+ .params = "filename [device [head]]",
+ .help = "save screen from head 'head' of display device 'device' "
+ "into PPM image 'filename'",
.cmd = hmp_screendump,
},
This command is useful to send keys that your graphical user interface
intercepts at low level, such as @code{ctrl-alt-f1} in X Window.
+ETEXI
+ {
+ .name = "sync-profile",
+ .args_type = "op:s?",
+ .params = "[on|off|reset]",
+ .help = "enable, disable or reset synchronization profiling. "
+ "With no arguments, prints whether profiling is on or off.",
+ .cmd = hmp_sync_profile,
+ },
+
+STEXI
+@item sync-profile [on|off|reset]
+@findex sync-profile
+Enable, disable or reset synchronization profiling. With no arguments, prints
+whether profiling is on or off.
ETEXI
{
@item sum @var{addr} @var{size}
@findex sum
Compute the checksum of a memory region.
-ETEXI
-
- {
- .name = "usb_add",
- .args_type = "devname:s",
- .params = "device",
- .help = "add USB device (e.g. 'host:bus.addr' or 'host:vendor_id:product_id')",
- .cmd = hmp_usb_add,
- },
-
-STEXI
-@item usb_add @var{devname}
-@findex usb_add
-Add the USB device @var{devname}. This command is deprecated, please
-use @code{device_add} instead. For details of available devices see
-@ref{usb_devices}
-ETEXI
-
- {
- .name = "usb_del",
- .args_type = "devname:s",
- .params = "device",
- .help = "remove USB device 'bus.addr'",
- .cmd = hmp_usb_del,
- },
-
-STEXI
-@item usb_del @var{devname}
-@findex usb_del
-Remove the USB device @var{devname} from the QEMU virtual USB
-hub. @var{devname} has the syntax @code{bus.addr}. Use the monitor
-command @code{info usb} to see the devices you can remove. This
-command is deprecated, please use @code{device_del} instead.
ETEXI
{
{
.name = "migrate",
- .args_type = "detach:-d,blk:-b,inc:-i,uri:s",
- .params = "[-d] [-b] [-i] uri",
+ .args_type = "detach:-d,blk:-b,inc:-i,resume:-r,uri:s",
+ .params = "[-d] [-b] [-i] [-r] uri",
.help = "migrate to URI (using -d to not wait for completion)"
"\n\t\t\t -b for migration without shared storage with"
" full copy of disk\n\t\t\t -i for migration without "
"shared storage with incremental copy of disk "
- "(base image shared between src and destination)",
+ "(base image shared between src and destination)"
+ "\n\t\t\t -r to resume a paused migration",
.cmd = hmp_migrate,
},
@item migrate_cancel
@findex migrate_cancel
Cancel the current VM migration.
+ETEXI
+ {
+ .name = "migrate_continue",
+ .args_type = "state:s",
+ .params = "state",
+ .help = "Continue migration from the given paused state",
+ .cmd = hmp_migrate_continue,
+ },
+STEXI
+@item migrate_continue @var{state}
+@findex migrate_continue
+Continue migration from the paused state @var{state}
ETEXI
{
@findex migrate_incoming
Continue an incoming migration using the @var{uri} (that has the same syntax
as the -incoming option).
+ETEXI
+
+ {
+ .name = "migrate_recover",
+ .args_type = "uri:s",
+ .params = "uri",
+ .help = "Continue a paused incoming postcopy migration",
+ .cmd = hmp_migrate_recover,
+ },
+
+STEXI
+@item migrate_recover @var{uri}
+@findex migrate_recover
+Continue a paused incoming postcopy migration using the @var{uri}.
+ETEXI
+ {
+ .name = "migrate_pause",
+ .args_type = "",
+ .params = "",
+ .help = "Pause an ongoing migration (postcopy-only)",
+ .cmd = hmp_migrate_pause,
+ },
+
+STEXI
+@item migrate_pause
+@findex migrate_pause
+Pause an ongoing migration. Currently it only supports postcopy.
ETEXI
{
.params = "",
.help = "Followup to a migration command to switch the migration"
" to postcopy mode. The postcopy-ram capability must "
- "be set before the original migration command.",
+ "be set on both source and destination before the "
+ "original migration command .",
.cmd = hmp_migrate_start_postcopy,
},
{
.name = "dump-guest-memory",
- .args_type = "paging:-p,detach:-d,zlib:-z,lzo:-l,snappy:-s,filename:F,begin:i?,length:i?",
- .params = "[-p] [-d] [-z|-l|-s] filename [begin length]",
+ .args_type = "paging:-p,detach:-d,windmp:-w,zlib:-z,lzo:-l,snappy:-s,filename:F,begin:l?,length:l?",
+ .params = "[-p] [-d] [-z|-l|-s|-w] filename [begin length]",
.help = "dump guest memory into file 'filename'.\n\t\t\t"
"-p: do paging to get guest's memory mapping.\n\t\t\t"
"-d: return immediately (do not wait for completion).\n\t\t\t"
"-z: dump in kdump-compressed format, with zlib compression.\n\t\t\t"
"-l: dump in kdump-compressed format, with lzo compression.\n\t\t\t"
"-s: dump in kdump-compressed format, with snappy compression.\n\t\t\t"
+ "-w: dump in Windows crashdump format (can be used instead of ELF-dump converting),\n\t\t\t"
+ " for Windows x64 guests with vmcoreinfo driver only.\n\t\t\t"
"begin: the starting physical address.\n\t\t\t"
"length: the memory size, in bytes.",
.cmd = hmp_dump_guest_memory,
},
-
STEXI
@item dump-guest-memory [-p] @var{filename} @var{begin} @var{length}
-@item dump-guest-memory [-z|-l|-s] @var{filename}
+@item dump-guest-memory [-z|-l|-s|-w] @var{filename}
@findex dump-guest-memory
Dump guest memory to @var{protocol}. The file can be processed with crash or
-gdb. Without -z|-l|-s, the dump format is ELF.
+gdb. Without -z|-l|-s|-w, the dump format is ELF.
-p: do paging to get guest's memory mapping.
-z: dump in kdump-compressed format, with zlib compression.
-l: dump in kdump-compressed format, with lzo compression.
-s: dump in kdump-compressed format, with snappy compression.
+ -w: dump in Windows crashdump format (can be used instead of ELF-dump converting),
+ for Windows x64 guests with vmcoreinfo driver only
filename: dump file name.
begin: the starting physical address. It's optional, and should be
specified together with length.
@item dump-skeys @var{filename}
@findex dump-skeys
Save guest storage keys to a file.
+ETEXI
+
+#if defined(TARGET_S390X)
+ {
+ .name = "migration_mode",
+ .args_type = "mode:i",
+ .params = "mode",
+ .help = "Enables or disables migration mode\n",
+ .cmd = hmp_migrationmode,
+ },
+#endif
+
+STEXI
+@item migration_mode @var{mode}
+@findex migration_mode
+Enables or disables migration mode.
ETEXI
{
.params = "[-n] [[<domain>:]<bus>:]<slot>\n"
"[file=file][,if=type][,bus=n]\n"
"[,unit=m][,media=d][,index=i]\n"
- "[,cyls=c,heads=h,secs=s[,trans=t]]\n"
"[,snapshot=on|off][,cache=on|off]\n"
"[,readonly=on|off][,copy-on-read=on|off]",
.help = "add drive to PCI storage controller",
@item pcie_aer_inject_error
@findex pcie_aer_inject_error
Inject PCIe AER error
-ETEXI
-
- {
- .name = "host_net_add",
- .args_type = "device:s,opts:s?",
- .params = "tap|user|socket|vde|netmap|bridge|vhost-user|dump [options]",
- .help = "add host VLAN client (deprecated, use netdev_add instead)",
- .cmd = hmp_host_net_add,
- .command_completion = host_net_add_completion,
- },
-
-STEXI
-@item host_net_add
-@findex host_net_add
-Add host VLAN client. Deprecated, please use @code{netdev_add} instead.
-ETEXI
-
- {
- .name = "host_net_remove",
- .args_type = "vlan_id:i,device:s",
- .params = "vlan_id name",
- .help = "remove host VLAN client (deprecated, use netdev_del instead)",
- .cmd = hmp_host_net_remove,
- .command_completion = host_net_remove_completion,
- },
-
-STEXI
-@item host_net_remove
-@findex host_net_remove
-Remove host VLAN client. Deprecated, please use @code{netdev_del} instead.
ETEXI
{
{
.name = "hostfwd_add",
.args_type = "arg1:s,arg2:s?,arg3:s?",
- .params = "[vlan_id name] [tcp|udp]:[hostaddr]:hostport-[guestaddr]:guestport",
+ .params = "[hub_id name]|[netdev_id] [tcp|udp]:[hostaddr]:hostport-[guestaddr]:guestport",
.help = "redirect TCP or UDP connections from host to guest (requires -net user)",
.cmd = hmp_hostfwd_add,
},
{
.name = "hostfwd_remove",
.args_type = "arg1:s,arg2:s?,arg3:s?",
- .params = "[vlan_id name] [tcp|udp]:[hostaddr]:hostport",
+ .params = "[hub_id name]|[netdev_id] [tcp|udp]:[hostaddr]:hostport",
.help = "remove host-to-guest TCP or UDP redirection",
.cmd = hmp_hostfwd_remove,
},
{
.name = "nbd_server_add",
- .args_type = "writable:-w,device:B",
- .params = "nbd_server_add [-w] device",
+ .args_type = "writable:-w,device:B,name:s?",
+ .params = "nbd_server_add [-w] device [name]",
.help = "export a block device via NBD",
.cmd = hmp_nbd_server_add,
},
STEXI
-@item nbd_server_add @var{device}
+@item nbd_server_add @var{device} [ @var{name} ]
@findex nbd_server_add
Export a block device through QEMU's NBD server, which must be started
beforehand with @command{nbd_server_start}. The @option{-w} option makes the
-exported device writable too.
+exported device writable too. The export name is controlled by @var{name},
+defaulting to @var{device}.
+ETEXI
+
+ {
+ .name = "nbd_server_remove",
+ .args_type = "force:-f,name:s",
+ .params = "nbd_server_remove [-f] name",
+ .help = "remove an export previously exposed via NBD",
+ .cmd = hmp_nbd_server_remove,
+ },
+STEXI
+@item nbd_server_remove [-f] @var{name}
+@findex nbd_server_remove
+Stop exporting a block device through QEMU's NBD server, which was
+previously started with @command{nbd_server_add}. The @option{-f}
+option forces the server to drop the export immediately even if
+clients are connected; otherwise the command fails unless there are no
+clients.
ETEXI
{
STEXI
@item block_set_io_throttle @var{device} @var{bps} @var{bps_rd} @var{bps_wr} @var{iops} @var{iops_rd} @var{iops_wr}
@findex block_set_io_throttle
-Change I/O throttle limits for a block drive to @var{bps} @var{bps_rd} @var{bps_wr} @var{iops} @var{iops_rd} @var{iops_wr}
+Change I/O throttle limits for a block drive to @var{bps} @var{bps_rd} @var{bps_wr} @var{iops} @var{iops_rd} @var{iops_wr}.
+@var{device} can be a block device name, a qdev ID or a QOM path.
ETEXI
{
STEXI
@item chardev-add args
@findex chardev-add
-chardev_add accepts the same parameters as the -chardev command line switch.
+chardev-add accepts the same parameters as the -chardev command line switch.
+
+ETEXI
+
+ {
+ .name = "chardev-change",
+ .args_type = "id:s,args:s",
+ .params = "id args",
+ .help = "change chardev",
+ .cmd = hmp_chardev_change,
+ },
+
+STEXI
+@item chardev-change args
+@findex chardev-change
+chardev-change accepts existing chardev @var{id} and then the same arguments
+as the -chardev command line switch (except for "id").
ETEXI
.params = "path",
.help = "list QOM properties",
.cmd = hmp_qom_list,
+ .flags = "p",
},
STEXI
.params = "path property value",
.help = "set QOM property",
.cmd = hmp_qom_set,
+ .flags = "p",
},
STEXI
.help = "show various information about the system state",
.cmd = hmp_info_help,
.sub_table = info_cmds,
+ .flags = "p",
},
STEXI
projects / qemu.git / blobdiff