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qemu-char: Add new char backend CirMemCharDriver

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Signed-off-by: Lei Li <lilei@linux.vnet.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
This commit is contained in:
Lei Li 2013-01-25 00:03:19 +08:00 • committed by Luiz Capitulino
parent 045a70857a
commit 51767e7cf2
2 changed files with 124 additions and 0 deletions
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10
qemu-options.hx
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@ -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.