.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
{
@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
{
{
.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,
},
show qdev device model list
@item info roms
show roms
+@item info tpm
+show the TPM device
+@item info cpu_max
+show the number of CPUs supported by the machine being emulated.
@end table
ETEXI