diff options
Diffstat (limited to 'qemu/qemu-ga.texi')
-rw-r--r-- | qemu/qemu-ga.texi | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/qemu/qemu-ga.texi b/qemu/qemu-ga.texi new file mode 100644 index 000000000..0e53bf6b2 --- /dev/null +++ b/qemu/qemu-ga.texi @@ -0,0 +1,137 @@ +@example +@c man begin SYNOPSIS +@command{qemu-ga} [@var{OPTIONS}] +@c man end +@end example + +@c man begin DESCRIPTION + +The QEMU Guest Agent is a daemon intended to be run within virtual +machines. It allows the hypervisor host to perform various operations +in the guest, such as: + +@itemize +@item +get information from the guest +@item +set the guest's system time +@item +read/write a file +@item +sync and freeze the filesystems +@item +suspend the guest +@item +reconfigure guest local processors +@item +set user's password +@item +... +@end itemize + +qemu-ga will read a system configuration file on startup (located at +q@file{/etc/qemu/qemu-ga.conf} by default), then parse remaining +configuration options on the command line. For the same key, the last +option wins, but the lists accumulate (see below for configuration +file format). + +@c man end + +@c man begin OPTIONS +@table @option +@item -m, --method=@var{method} + Transport method: one of @samp{unix-listen}, @samp{virtio-serial}, or + @samp{isa-serial} (@samp{virtio-serial} is the default). + +@item -p, --path=@var{path} + Device/socket path (the default for virtio-serial is + @samp{/dev/virtio-ports/org.qemu.guest_agent.0}, + the default for isa-serial is @samp{/dev/ttyS0}) + +@item -l, --logfile=@var{path} + Set log file path (default is stderr). + +@item -f, --pidfile=@var{path} + Specify pid file (default is @samp{/var/run/qemu-ga.pid}). + +@item -F, --fsfreeze-hook=@var{path} + Enable fsfreeze hook. Accepts an optional argument that specifies + script to run on freeze/thaw. Script will be called with + 'freeze'/'thaw' arguments accordingly (default is + @samp{/etc/qemu/fsfreeze-hook}). If using -F with an argument, do + not follow -F with a space (for example: + @samp{-F/var/run/fsfreezehook.sh}). + +@item -t, --statedir=@var{path} + Specify the directory to store state information (absolute paths only, + default is @samp{/var/run}). + +@item -v, --verbose + Log extra debugging information. + +@item -V, --version + Print version information and exit. + +@item -d, --daemon + Daemonize after startup (detach from terminal). + +@item -b, --blacklist=@var{list} + Comma-separated list of RPCs to disable (no spaces, @samp{?} to list + available RPCs). + +@item -D, --dump-conf + Dump the configuration in a format compatible with @file{qemu-ga.conf} + and exit. + +@item -h, --help + Display this help and exit. +@end table + +@c man end + +@c man begin FILES + +The syntax of the @file{qemu-ga.conf} configuration file follows the +Desktop Entry Specification, here is a quick summary: it consists of +groups of key-value pairs, interspersed with comments. + +@example +# qemu-ga configuration sample +[general] +daemonize = 0 +pidfile = /var/run/qemu-ga.pid +verbose = 0 +method = virtio-serial +path = /dev/virtio-ports/org.qemu.guest_agent.0 +statedir = /var/run +@end example + +The list of keys follows the command line options: +@table @option +@item daemon= boolean +@item method= string +@item path= string +@item logfile= string +@item pidfile= string +@item fsfreeze-hook= string +@item statedir= string +@item verbose= boolean +@item blacklist= string list +@end table + +@c man end + +@ignore + +@setfilename qemu-ga +@settitle QEMU Guest Agent + +@c man begin AUTHOR +Michael Roth <mdroth@linux.vnet.ibm.com> +@c man end + +@c man begin SEEALSO +qemu(1) +@c man end + +@end ignore |