qemu-char: Call fe_claim / fe_release when not using qdev chr properties

[qemu.git] / hmp-commands.hx

diff --git a/hmp-commands.hx b/hmp-commands.hx
index 0934b9b915f7b5d5a6930786d3d3da94bec81716..3d98604f779fbae48fc66bf3686fb3566ec30dbe 100644 (file)
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -295,14 +295,14 @@ 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
 
     {
@@ -837,6 +837,44 @@ STEXI
 @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
 
     {
@@ -1131,7 +1169,7 @@ 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,
     },
@@ -1603,6 +1641,10 @@ show device tree
 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