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authorLei Li <lilei@linux.vnet.ibm.com>2013-01-25 00:03:19 +0800
committerLuiz Capitulino <lcapitulino@redhat.com>2013-01-25 11:23:06 -0200
commit51767e7cf2c3abc07d30009ab3d6262bdfd89b8b (patch)
treecb64dcd64a0a84cc7378995fdf3084161ff5d23c /qemu-options.hx
parent045a70857ac07de791ddbf313323c4e4f91e056e (diff)
qemu-char: Add new char backend CirMemCharDriver
Signed-off-by: Lei Li <lilei@linux.vnet.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Diffstat (limited to 'qemu-options.hx')
-rw-r--r--qemu-options.hx10
1 files changed, 10 insertions, 0 deletions
diff --git a/qemu-options.hx b/qemu-options.hx
index 4e2b4994a2..2d44137bf9 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -1736,6 +1736,7 @@ DEF("chardev", HAS_ARG, QEMU_OPTION_chardev,
"-chardev msmouse,id=id[,mux=on|off]\n"
"-chardev vc,id=id[[,width=width][,height=height]][[,cols=cols][,rows=rows]]\n"
" [,mux=on|off]\n"
+ "-chardev memory,id=id,maxcapacity=maxcapacity\n"
"-chardev file,id=id,path=path[,mux=on|off]\n"
"-chardev pipe,id=id,path=path[,mux=on|off]\n"
#ifdef _WIN32
@@ -1777,6 +1778,7 @@ Backend is one of:
@option{udp},
@option{msmouse},
@option{vc},
+@option{memory},
@option{file},
@option{pipe},
@option{console},
@@ -1885,6 +1887,14 @@ the console, in pixels.
@option{cols} and @option{rows} specify that the console be sized to fit a text
console with the given dimensions.
+@item -chardev memory ,id=@var{id} ,maxcapacity=@var{maxcapacity}
+
+Create a circular buffer with fixed size indicated by optionally @option{maxcapacity}
+which will be default 64K if it is not given.
+
+@option{maxcapacity} specifies the max capacity of the size of circular buffer
+to create. Should be power of 2.
+
@item -chardev file ,id=@var{id} ,path=@var{path}
Log all traffic received from the guest to a file.