STEXI
@item block_job_cancel
@findex block_job_cancel
-Stop an active block streaming operation.
+Stop an active background block operation (streaming, mirroring).
+ETEXI
+
+ {
+ .name = "block_job_complete",
+ .args_type = "device:B",
+ .params = "device",
+ .help = "stop an active background block operation",
+ .mhandler.cmd = hmp_block_job_complete,
+ },
+
+STEXI
+@item block_job_complete
+@findex block_job_complete
+Manually trigger completion of an active background block operation.
+For mirroring, this will switch the device to the destination path.
ETEXI
{
submitted against the host device underlying the disk. Once a drive has
been deleted, the QEMU Block layer returns -EIO which results in IO
errors in the guest for applications that are reading/writing to the device.
+These errors are always reported to the guest, regardless of the drive's error
+actions (drive options rerror, werror).
ETEXI
{
.name = "log",
.args_type = "items:s",
.params = "item1[,...]",
- .help = "activate logging of the specified items to '/tmp/qemu.log'",
+ .help = "activate logging of the specified items",
.mhandler.cmd = do_log,
},
STEXI
@item log @var{item1}[,...]
@findex log
-Activate logging of the specified items to @file{/tmp/qemu.log}.
+Activate logging of the specified items.
ETEXI
{
@end example
ETEXI
-#ifdef HAS_AUDIO
{
.name = "wavcapture",
.args_type = "path:F,freq:i?,bits:i?,nchannels:i?",
.help = "capture audio to a wave file (default frequency=44100 bits=16 channels=2)",
.mhandler.cmd = do_wav_capture,
},
-#endif
STEXI
@item wavcapture @var{filename} [@var{frequency} [@var{bits} [@var{channels}]]]
@findex wavcapture
@end itemize
ETEXI
-#ifdef HAS_AUDIO
{
.name = "stopcapture",
.args_type = "n:i",
.help = "stop capture",
.mhandler.cmd = do_stop_capture,
},
-#endif
STEXI
@item stopcapture @var{index}
@findex stopcapture
@item nmi @var{cpu}
@findex nmi
Inject an NMI on the given CPU (x86 only).
+
+ETEXI
+
+ {
+ .name = "ringbuf_write",
+ .args_type = "device:s,data:s",
+ .params = "device data",
+ .help = "Write to a ring buffer character device",
+ .mhandler.cmd = hmp_ringbuf_write,
+ },
+
+STEXI
+@item ringbuf_write @var{device} @var{data}
+@findex ringbuf_write
+Write @var{data} to ring buffer character device @var{device}.
+@var{data} must be a UTF-8 string.
+
+ETEXI
+
+ {
+ .name = "ringbuf_read",
+ .args_type = "device:s,size:i",
+ .params = "device size",
+ .help = "Read from a ring buffer character device",
+ .mhandler.cmd = hmp_ringbuf_read,
+ },
+
+STEXI
+@item ringbuf_read @var{device}
+@findex ringbuf_read
+Read and print up to @var{size} bytes from ring buffer character
+device @var{device}.
+Certain non-printable characters are printed \uXXXX, where XXXX is the
+character code in hexadecimal. Character \ is printed \\.
+Bug: can screw up when the buffer contains invalid UTF-8 sequences,
+NUL characters, after the ring buffer lost data, and when reading
+stops because the size limit is reached.
+
ETEXI
{
#if defined(CONFIG_HAVE_CORE_DUMP)
{
.name = "dump-guest-memory",
- .args_type = "paging:-p,protocol:s,begin:i?,length:i?",
- .params = "[-p] protocol [begin] [length]",
+ .args_type = "paging:-p,filename:F,begin:i?,length:i?",
+ .params = "[-p] filename [begin] [length]",
.help = "dump guest memory to file"
"\n\t\t\t begin(optional): the starting physical address"
"\n\t\t\t length(optional): the memory size, in bytes",
- .user_print = monitor_user_noop,
.mhandler.cmd = hmp_dump_guest_memory,
},
@findex dump-guest-memory
Dump guest memory to @var{protocol}. The file can be processed with crash or
gdb.
- protocol: destination file(started with "file:") or destination file
- descriptor (started with "fd:")
+ filename: dump file name
paging: do paging to get guest's memory mapping
begin: the starting physical address. It's optional, and should be
specified with length together.
@item snapshot_blkdev
@findex snapshot_blkdev
Snapshot device, using snapshot file as target if provided
+ETEXI
+
+ {
+ .name = "drive_mirror",
+ .args_type = "reuse:-n,full:-f,device:B,target:s,format:s?",
+ .params = "[-n] [-f] device target [format]",
+ .help = "initiates live storage\n\t\t\t"
+ "migration for a device. The device's contents are\n\t\t\t"
+ "copied to the new image file, including data that\n\t\t\t"
+ "is written after the command is started.\n\t\t\t"
+ "The -n flag requests QEMU to reuse the image found\n\t\t\t"
+ "in new-image-file, instead of recreating it from scratch.\n\t\t\t"
+ "The -f flag requests QEMU to copy the whole disk,\n\t\t\t"
+ "so that the result does not need a backing file.\n\t\t\t",
+ .mhandler.cmd = hmp_drive_mirror,
+ },
+STEXI
+@item drive_mirror
+@findex drive_mirror
+Start mirroring a block device's writes to a new destination,
+using the specified target.
ETEXI
{
{
.name = "netdev_add",
.args_type = "netdev:O",
- .params = "[user|tap|socket],id=str[,prop=value][,...]",
+ .params = "[user|tap|socket|hubport],id=str[,prop=value][,...]",
.help = "add host network device",
.mhandler.cmd = hmp_netdev_add,
},
policy back to @code{deny}.
ETEXI
+ {
+ .name = "nbd_server_start",
+ .args_type = "all:-a,writable:-w,uri:s",
+ .params = "nbd_server_start [-a] [-w] host:port",
+ .help = "serve block devices on the given host and port",
+ .mhandler.cmd = hmp_nbd_server_start,
+ },
+STEXI
+@item nbd_server_start @var{host}:@var{port}
+@findex nbd_server_start
+Start an NBD server on the given host and/or port. If the @option{-a}
+option is included, all of the virtual machine's block devices that
+have an inserted media on them are automatically exported; in this case,
+the @option{-w} option makes the devices writable too.
+ETEXI
+
+ {
+ .name = "nbd_server_add",
+ .args_type = "writable:-w,device:B",
+ .params = "nbd_server_add [-w] device",
+ .help = "export a block device via NBD",
+ .mhandler.cmd = hmp_nbd_server_add,
+ },
+STEXI
+@item nbd_server_add @var{device}
+@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.
+ETEXI
+
+ {
+ .name = "nbd_server_stop",
+ .args_type = "",
+ .params = "nbd_server_stop",
+ .help = "stop serving block devices using the NBD protocol",
+ .mhandler.cmd = hmp_nbd_server_stop,
+ },
+STEXI
+@item nbd_server_stop
+@findex nbd_server_stop
+Stop the QEMU embedded NBD server.
+ETEXI
+
+
#if defined(TARGET_I386)
{
passed since 1970, i.e. unix epoch.
@end table
+ETEXI
+
+ {
+ .name = "chardev-add",
+ .args_type = "args:s",
+ .params = "args",
+ .help = "add chardev",
+ .mhandler.cmd = hmp_chardev_add,
+ },
+
+STEXI
+@item chardev_add args
+@findex chardev_add
+
+chardev_add accepts the same parameters as the -chardev command line switch.
+
+ETEXI
+
+ {
+ .name = "chardev-remove",
+ .args_type = "id:s",
+ .params = "id",
+ .help = "remove chardev",
+ .mhandler.cmd = hmp_chardev_remove,
+ },
+
+STEXI
+@item chardev_remove id
+@findex chardev_remove
+
+Removes the chardev @var{id}.
+
ETEXI
{
.args_type = "item:s?",
.params = "[subcommand]",
.help = "show various information about the system state",
- .mhandler.cmd = do_info,
+ .mhandler.cmd = do_info_help,
+ .sub_table = info_cmds,
},
STEXI
show qdev device model list
@item info roms
show roms
+@item info tpm
+show the TPM device
@end table
ETEXI
-#ifdef CONFIG_TRACE_SIMPLE
-STEXI
-@item info trace
-show contents of trace buffer
-ETEXI
-#endif
-
STEXI
@item info trace-events
show available trace events and their state
projects / qemu.git / blobdiff