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-rw-r--r--qemu-doc.texi983
1 files changed, 1 insertions, 982 deletions
diff --git a/qemu-doc.texi b/qemu-doc.texi
index c7fb50c5a..61a08eeae 100644
--- a/qemu-doc.texi
+++ b/qemu-doc.texi
@@ -224,988 +224,7 @@ usage: qemu [options] [@var{disk_image}]
@var{disk_image} is a raw hard disk image for IDE hard disk 0. Some
targets do not need a disk image.
-General options:
-@table @option
-@item -h
-Display help and exit
-
-@item -M @var{machine}
-Select the emulated @var{machine} (@code{-M ?} for list)
-
-@item -cpu @var{model}
-Select CPU model (-cpu ? for list and additional feature selection)
-
-@item -smp @var{n}
-Simulate an SMP system with @var{n} CPUs. On the PC target, up to 255
-CPUs are supported. On Sparc32 target, Linux limits the number of usable CPUs
-to 4.
-
-@item -fda @var{file}
-@item -fdb @var{file}
-Use @var{file} as floppy disk 0/1 image (@pxref{disk_images}). You can
-use the host floppy by using @file{/dev/fd0} as filename (@pxref{host_drives}).
-
-@item -hda @var{file}
-@item -hdb @var{file}
-@item -hdc @var{file}
-@item -hdd @var{file}
-Use @var{file} as hard disk 0, 1, 2 or 3 image (@pxref{disk_images}).
-
-@item -cdrom @var{file}
-Use @var{file} as CD-ROM image (you cannot use @option{-hdc} and
-@option{-cdrom} at the same time). You can use the host CD-ROM by
-using @file{/dev/cdrom} as filename (@pxref{host_drives}).
-
-@item -drive @var{option}[,@var{option}[,@var{option}[,...]]]
-
-Define a new drive. Valid options are:
-
-@table @code
-@item file=@var{file}
-This option defines which disk image (@pxref{disk_images}) to use with
-this drive. If the filename contains comma, you must double it
-(for instance, "file=my,,file" to use file "my,file").
-@item if=@var{interface}
-This option defines on which type on interface the drive is connected.
-Available types are: ide, scsi, sd, mtd, floppy, pflash, virtio.
-@item bus=@var{bus},unit=@var{unit}
-These options define where is connected the drive by defining the bus number and
-the unit id.
-@item index=@var{index}
-This option defines where is connected the drive by using an index in the list
-of available connectors of a given interface type.
-@item media=@var{media}
-This option defines the type of the media: disk or cdrom.
-@item cyls=@var{c},heads=@var{h},secs=@var{s}[,trans=@var{t}]
-These options have the same definition as they have in @option{-hdachs}.
-@item snapshot=@var{snapshot}
-@var{snapshot} is "on" or "off" and allows to enable snapshot for given drive (see @option{-snapshot}).
-@item cache=@var{cache}
-@var{cache} is "none", "writeback", or "writethrough" and controls how the host cache is used to access block data.
-@item format=@var{format}
-Specify which disk @var{format} will be used rather than detecting
-the format. Can be used to specifiy format=raw to avoid interpreting
-an untrusted format header.
-@item serial=@var{serial}
-This option specifies the serial number to assign to the device.
-@item boot=@var{boot}
-@var{boot} if "on" enables extboot for a given drive so it can be used as a boot drive.
-@end table
-
-By default, writethrough caching is used for all block device. This means that
-the host page cache will be used to read and write data but write notification
-will be sent to the guest only when the data has been reported as written by
-the storage subsystem.
-
-Writeback caching will report data writes as completed as soon as the data is
-present in the host page cache. This is safe as long as you trust your host.
-If your host crashes or loses power, then the guest may experience data
-corruption. When using the @option{-snapshot} option, writeback caching is
-used by default.
-
-The host page can be avoided entirely with @option{cache=none}. This will
-attempt to do disk IO directly to the guests memory. QEMU may still perform
-an internal copy of the data.
-
-Some block drivers perform badly with @option{cache=writethrough}, most notably,
-qcow2. If performance is more important than correctness,
-@option{cache=writeback} should be used with qcow2. By default, if no explicit
-caching is specified for a qcow2 disk image, @option{cache=writeback} will be
-used. For all other disk types, @option{cache=writethrough} is the default.
-
-Instead of @option{-cdrom} you can use:
-@example
-qemu -drive file=file,index=2,media=cdrom
-@end example
-
-Instead of @option{-hda}, @option{-hdb}, @option{-hdc}, @option{-hdd}, you can
-use:
-@example
-qemu -drive file=file,index=0,media=disk
-qemu -drive file=file,index=1,media=disk
-qemu -drive file=file,index=2,media=disk
-qemu -drive file=file,index=3,media=disk
-@end example
-
-You can connect a CDROM to the slave of ide0:
-@example
-qemu -drive file=file,if=ide,index=1,media=cdrom
-@end example
-
-If you don't specify the "file=" argument, you define an empty drive:
-@example
-qemu -drive if=ide,index=1,media=cdrom
-@end example
-
-You can connect a SCSI disk with unit ID 6 on the bus #0:
-@example
-qemu -drive file=file,if=scsi,bus=0,unit=6
-@end example
-
-To boot from a SCSI disk, one would use:
-
-@example
-qemu -drive file=file,if=scsi,boot=on
-@end example
-
-Instead of @option{-fda}, @option{-fdb}, you can use:
-@example
-qemu -drive file=file,index=0,if=floppy
-qemu -drive file=file,index=1,if=floppy
-@end example
-
-By default, @var{interface} is "ide" and @var{index} is automatically
-incremented:
-@example
-qemu -drive file=a -drive file=b"
-@end example
-is interpreted like:
-@example
-qemu -hda a -hdb b
-@end example
-
-@item -mtdblock file
-Use 'file' as on-board Flash memory image.
-
-@item -sd file
-Use 'file' as SecureDigital card image.
-
-@item -pflash file
-Use 'file' as a parallel flash image.
-
-@item -boot [a|c|d|n]
-Boot on floppy (a), hard disk (c), CD-ROM (d), or Etherboot (n). Hard disk boot
-is the default.
-
-@item -snapshot
-Write to temporary files instead of disk image files. In this case,
-the raw disk image you use is not written back. You can however force
-the write back by pressing @key{C-a s} (@pxref{disk_images}).
-
-@item -m @var{megs}
-Set virtual RAM size to @var{megs} megabytes. Default is 128 MiB. Optionally,
-a suffix of ``M'' or ``G'' can be used to signify a value in megabytes or
-gigabytes respectively.
-
-@item -k @var{language}
-
-Use keyboard layout @var{language} (for example @code{fr} for
-French). This option is only needed where it is not easy to get raw PC
-keycodes (e.g. on Macs, with some X11 servers or with a VNC
-display). You don't normally need to use it on PC/Linux or PC/Windows
-hosts.
-
-The available layouts are:
-@example
-ar de-ch es fo fr-ca hu ja mk no pt-br sv
-da en-gb et fr fr-ch is lt nl pl ru th
-de en-us fi fr-be hr it lv nl-be pt sl tr
-@end example
-
-The default is @code{en-us}.
-
-@item -audio-help
-
-Will show the audio subsystem help: list of drivers, tunable
-parameters.
-
-@item -soundhw @var{card1}[,@var{card2},...] or -soundhw all
-
-Enable audio and selected sound hardware. Use ? to print all
-available sound hardware.
-
-@example
-qemu -soundhw sb16,adlib disk.img
-qemu -soundhw es1370 disk.img
-qemu -soundhw ac97 disk.img
-qemu -soundhw all disk.img
-qemu -soundhw ?
-@end example
-
-Note that Linux's i810_audio OSS kernel (for AC97) module might
-require manually specifying clocking.
-
-@example
-modprobe i810_audio clocking=48000
-@end example
-
-@end table
-
-USB options:
-@table @option
-
-@item -usb
-Enable the USB driver (will be the default soon)
-
-@item -usbdevice @var{devname}
-Add the USB device @var{devname}. @xref{usb_devices}.
-
-@table @code
-
-@item mouse
-Virtual Mouse. This will override the PS/2 mouse emulation when activated.
-
-@item tablet
-Pointer device that uses absolute coordinates (like a touchscreen). This
-means qemu is able to report the mouse position without having to grab the
-mouse. Also overrides the PS/2 mouse emulation when activated.
-
-@item disk:[format=@var{format}]:file
-Mass storage device based on file. The optional @var{format} argument
-will be used rather than detecting the format. Can be used to specifiy
-format=raw to avoid interpreting an untrusted format header.
-
-@item host:bus.addr
-Pass through the host device identified by bus.addr (Linux only).
-
-@item host:vendor_id:product_id
-Pass through the host device identified by vendor_id:product_id (Linux only).
-
-@item serial:[vendorid=@var{vendor_id}][,productid=@var{product_id}]:@var{dev}
-Serial converter to host character device @var{dev}, see @code{-serial} for the
-available devices.
-
-@item braille
-Braille device. This will use BrlAPI to display the braille output on a real
-or fake device.
-
-@item net:options
-Network adapter that supports CDC ethernet and RNDIS protocols.
-
-@end table
-
-@item -name @var{name}
-Sets the @var{name} of the guest.
-This name will be displayed in the SDL window caption.
-The @var{name} will also be used for the VNC server.
-
-@item -uuid @var{uuid}
-Set system UUID.
-
-@end table
-
-Display options:
-@table @option
-
-@item -nographic
-
-Normally, QEMU uses SDL to display the VGA output. With this option,
-you can totally disable graphical output so that QEMU is a simple
-command line application. The emulated serial port is redirected on
-the console. Therefore, you can still use QEMU to debug a Linux kernel
-with a serial console.
-
-@item -curses
-
-Normally, QEMU uses SDL to display the VGA output. With this option,
-QEMU can display the VGA output when in text mode using a
-curses/ncurses interface. Nothing is displayed in graphical mode.
-
-@item -no-frame
-
-Do not use decorations for SDL windows and start them using the whole
-available screen space. This makes the using QEMU in a dedicated desktop
-workspace more convenient.
-
-@item -alt-grab
-
-Use Ctrl-Alt-Shift to grab mouse (instead of Ctrl-Alt).
-
-@item -no-quit
-
-Disable SDL window close capability.
-
-@item -sdl
-
-Enable SDL.
-
-@item -portrait
-
-Rotate graphical output 90 deg left (only PXA LCD).
-
-@item -vga @var{type}
-Select type of VGA card to emulate. Valid values for @var{type} are
-@table @code
-@item cirrus
-Cirrus Logic GD5446 Video card. All Windows versions starting from
-Windows 95 should recognize and use this graphic card. For optimal
-performances, use 16 bit color depth in the guest and the host OS.
-(This one is the default)
-@item std
-Standard VGA card with Bochs VBE extensions. If your guest OS
-supports the VESA 2.0 VBE extensions (e.g. Windows XP) and if you want
-to use high resolution modes (>= 1280x1024x16) then you should use
-this option.
-@item vmware
-VMWare SVGA-II compatible adapter. Use it if you have sufficiently
-recent XFree86/XOrg server or Windows guest with a driver for this
-card.
-@item none
-Disable VGA card.
-@end table
-
-@item -full-screen
-Start in full screen.
-
-@item -vnc @var{display}[,@var{option}[,@var{option}[,...]]]
-
-Normally, QEMU uses SDL to display the VGA output. With this option,
-you can have QEMU listen on VNC display @var{display} and redirect the VGA
-display over the VNC session. It is very useful to enable the usb
-tablet device when using this option (option @option{-usbdevice
-tablet}). When using the VNC display, you must use the @option{-k}
-parameter to set the keyboard layout if you are not using en-us. Valid
-syntax for the @var{display} is
-
-@table @code
-
-@item @var{host}:@var{d}
-
-TCP connections will only be allowed from @var{host} on display @var{d}.
-By convention the TCP port is 5900+@var{d}. Optionally, @var{host} can
-be omitted in which case the server will accept connections from any host.
-
-@item @code{unix}:@var{path}
-
-Connections will be allowed over UNIX domain sockets where @var{path} is the
-location of a unix socket to listen for connections on.
-
-@item none
-
-VNC is initialized but not started. The monitor @code{change} command
-can be used to later start the VNC server.
-
-@end table
-
-Following the @var{display} value there may be one or more @var{option} flags
-separated by commas. Valid options are
-
-@table @code
-
-@item reverse
-
-Connect to a listening VNC client via a ``reverse'' connection. The
-client is specified by the @var{display}. For reverse network
-connections (@var{host}:@var{d},@code{reverse}), the @var{d} argument
-is a TCP port number, not a display number.
-
-@item password
-
-Require that password based authentication is used for client connections.
-The password must be set separately using the @code{change} command in the
-@ref{pcsys_monitor}
-
-@item tls
-
-Require that client use TLS when communicating with the VNC server. This
-uses anonymous TLS credentials so is susceptible to a man-in-the-middle
-attack. It is recommended that this option be combined with either the
-@var{x509} or @var{x509verify} options.
-
-@item x509=@var{/path/to/certificate/dir}
-
-Valid if @option{tls} is specified. Require that x509 credentials are used
-for negotiating the TLS session. The server will send its x509 certificate
-to the client. It is recommended that a password be set on the VNC server
-to provide authentication of the client when this is used. The path following
-this option specifies where the x509 certificates are to be loaded from.
-See the @ref{vnc_security} section for details on generating certificates.
-
-@item x509verify=@var{/path/to/certificate/dir}
-
-Valid if @option{tls} is specified. Require that x509 credentials are used
-for negotiating the TLS session. The server will send its x509 certificate
-to the client, and request that the client send its own x509 certificate.
-The server will validate the client's certificate against the CA certificate,
-and reject clients when validation fails. If the certificate authority is
-trusted, this is a sufficient authentication mechanism. You may still wish
-to set a password on the VNC server as a second authentication layer. The
-path following this option specifies where the x509 certificates are to
-be loaded from. See the @ref{vnc_security} section for details on generating
-certificates.
-
-@item sasl
-
-Require that the client use SASL to authenticate with the VNC server.
-The exact choice of authentication method used is controlled from the
-system / user's SASL configuration file for the 'qemu' service. This
-is typically found in /etc/sasl2/qemu.conf. If running QEMU as an
-unprivileged user, an environment variable SASL_CONF_PATH can be used
-to make it search alternate locations for the service config.
-While some SASL auth methods can also provide data encryption (eg GSSAPI),
-it is recommended that SASL always be combined with the 'tls' and
-'x509' settings to enable use of SSL and server certificates. This
-ensures a data encryption preventing compromise of authentication
-credentials. See the @ref{vnc_security} section for details on using
-SASL authentication.
-
-@item acl
-
-Turn on access control lists for checking of the x509 client certificate
-and SASL party. For x509 certs, the ACL check is made against the
-certificate's distinguished name. This is something that looks like
-@code{C=GB,O=ACME,L=Boston,CN=bob}. For SASL party, the ACL check is
-made against the username, which depending on the SASL plugin, may
-include a realm component, eg @code{bob} or @code{bob@@EXAMPLE.COM}.
-When the @option{acl} flag is set, the initial access list will be
-empty, with a @code{deny} policy. Thus no one will be allowed to
-use the VNC server until the ACLs have been loaded. This can be
-achieved using the @code{acl} monitor command.
-
-@end table
-
-@end table
-
-Network options:
-
-@table @option
-
-@item -net nic[,vlan=@var{n}][,macaddr=@var{addr}][,model=@var{type}][,name=@var{name}]
-Create a new Network Interface Card and connect it to VLAN @var{n} (@var{n}
-= 0 is the default). The NIC is an rtl8139 by default on the PC
-target. Optionally, the MAC address can be changed to @var{addr}
-and a @var{name} can be assigned for use in monitor commands. If no
-@option{-net} option is specified, a single NIC is created.
-Qemu can emulate several different models of network card.
-Valid values for @var{type} are
-@code{i82551}, @code{i82557b}, @code{i82559er},
-@code{ne2k_pci}, @code{ne2k_isa}, @code{pcnet}, @code{rtl8139},
-@code{e1000}, @code{smc91c111}, @code{lance} and @code{mcf_fec}.
-Not all devices are supported on all targets. Use -net nic,model=?
-for a list of available devices for your target.
-
-@item -net user[,vlan=@var{n}][,hostname=@var{name}][,name=@var{name}]
-Use the user mode network stack which requires no administrator
-privilege to run. @option{hostname=name} can be used to specify the client
-hostname reported by the builtin DHCP server.
-
-@item -net channel,@var{port}:@var{dev}
-Forward @option{user} TCP connection to port @var{port} to character device @var{dev}
-
-@item -net tap[,vlan=@var{n}][,name=@var{name}][,fd=@var{h}][,ifname=@var{name}][,script=@var{file}][,downscript=@var{dfile}]
-Connect the host TAP network interface @var{name} to VLAN @var{n}, use
-the network script @var{file} to configure it and the network script
-@var{dfile} to deconfigure it. If @var{name} is not provided, the OS
-automatically provides one. @option{fd}=@var{h} can be used to specify
-the handle of an already opened host TAP interface. The default network
-configure script is @file{/etc/qemu-ifup} and the default network
-deconfigure script is @file{/etc/qemu-ifdown}. Use @option{script=no}
-or @option{downscript=no} to disable script execution. Example:
-
-@example
-qemu linux.img -net nic -net tap
-@end example
-
-More complicated example (two NICs, each one connected to a TAP device)
-@example
-qemu linux.img -net nic,vlan=0 -net tap,vlan=0,ifname=tap0 \
- -net nic,vlan=1 -net tap,vlan=1,ifname=tap1
-@end example
-
-
-@item -net socket[,vlan=@var{n}][,name=@var{name}][,fd=@var{h}][,listen=[@var{host}]:@var{port}][,connect=@var{host}:@var{port}]
-
-Connect the VLAN @var{n} to a remote VLAN in another QEMU virtual
-machine using a TCP socket connection. If @option{listen} is
-specified, QEMU waits for incoming connections on @var{port}
-(@var{host} is optional). @option{connect} is used to connect to
-another QEMU instance using the @option{listen} option. @option{fd}=@var{h}
-specifies an already opened TCP socket.
-
-Example:
-@example
-# launch a first QEMU instance
-qemu linux.img -net nic,macaddr=52:54:00:12:34:56 \
- -net socket,listen=:1234
-# connect the VLAN 0 of this instance to the VLAN 0
-# of the first instance
-qemu linux.img -net nic,macaddr=52:54:00:12:34:57 \
- -net socket,connect=127.0.0.1:1234
-@end example
-
-@item -net socket[,vlan=@var{n}][,name=@var{name}][,fd=@var{h}][,mcast=@var{maddr}:@var{port}]
-
-Create a VLAN @var{n} shared with another QEMU virtual
-machines using a UDP multicast socket, effectively making a bus for
-every QEMU with same multicast address @var{maddr} and @var{port}.
-NOTES:
-@enumerate
-@item
-Several QEMU can be running on different hosts and share same bus (assuming
-correct multicast setup for these hosts).
-@item
-mcast support is compatible with User Mode Linux (argument @option{eth@var{N}=mcast}), see
-@url{http://user-mode-linux.sf.net}.
-@item
-Use @option{fd=h} to specify an already opened UDP multicast socket.
-@end enumerate
-
-Example:
-@example
-# launch one QEMU instance
-qemu linux.img -net nic,macaddr=52:54:00:12:34:56 \
- -net socket,mcast=230.0.0.1:1234
-# launch another QEMU instance on same "bus"
-qemu linux.img -net nic,macaddr=52:54:00:12:34:57 \
- -net socket,mcast=230.0.0.1:1234
-# launch yet another QEMU instance on same "bus"
-qemu linux.img -net nic,macaddr=52:54:00:12:34:58 \
- -net socket,mcast=230.0.0.1:1234
-@end example
-
-Example (User Mode Linux compat.):
-@example
-# launch QEMU instance (note mcast address selected
-# is UML's default)
-qemu linux.img -net nic,macaddr=52:54:00:12:34:56 \
- -net socket,mcast=239.192.168.1:1102
-# launch UML
-/path/to/linux ubd0=/path/to/root_fs eth0=mcast
-@end example
-
-@item -net vde[,vlan=@var{n}][,name=@var{name}][,sock=@var{socketpath}][,port=@var{n}][,group=@var{groupname}][,mode=@var{octalmode}]
-Connect VLAN @var{n} to PORT @var{n} of a vde switch running on host and
-listening for incoming connections on @var{socketpath}. Use GROUP @var{groupname}
-and MODE @var{octalmode} to change default ownership and permissions for
-communication port. This option is available only if QEMU has been compiled
-with vde support enabled.
-
-Example:
-@example
-# launch vde switch
-vde_switch -F -sock /tmp/myswitch
-# launch QEMU instance
-qemu linux.img -net nic -net vde,sock=/tmp/myswitch
-@end example
-
-@item -net none
-Indicate that no network devices should be configured. It is used to
-override the default configuration (@option{-net nic -net user}) which
-is activated if no @option{-net} options are provided.
-
-@item -tftp @var{dir}
-When using the user mode network stack, activate a built-in TFTP
-server. The files in @var{dir} will be exposed as the root of a TFTP server.
-The TFTP client on the guest must be configured in binary mode (use the command
-@code{bin} of the Unix TFTP client). The host IP address on the guest is as
-usual 10.0.2.2.
-
-@item -bootp @var{file}
-When using the user mode network stack, broadcast @var{file} as the BOOTP
-filename. In conjunction with @option{-tftp}, this can be used to network boot
-a guest from a local directory.
-
-Example (using pxelinux):
-@example
-qemu -hda linux.img -boot n -tftp /path/to/tftp/files -bootp /pxelinux.0
-@end example
-
-@item -smb @var{dir}
-When using the user mode network stack, activate a built-in SMB
-server so that Windows OSes can access to the host files in @file{@var{dir}}
-transparently.
-
-In the guest Windows OS, the line:
-@example
-10.0.2.4 smbserver
-@end example
-must be added in the file @file{C:\WINDOWS\LMHOSTS} (for windows 9x/Me)
-or @file{C:\WINNT\SYSTEM32\DRIVERS\ETC\LMHOSTS} (Windows NT/2000).
-
-Then @file{@var{dir}} can be accessed in @file{\\smbserver\qemu}.
-
-Note that a SAMBA server must be installed on the host OS in
-@file{/usr/sbin/smbd}. QEMU was tested successfully with smbd version
-2.2.7a from the Red Hat 9 and version 3.0.10-1.fc3 from Fedora Core 3.
-
-@item -redir [tcp|udp]:@var{host-port}:[@var{guest-host}]:@var{guest-port}
-
-When using the user mode network stack, redirect incoming TCP or UDP
-connections to the host port @var{host-port} to the guest
-@var{guest-host} on guest port @var{guest-port}. If @var{guest-host}
-is not specified, its value is 10.0.2.15 (default address given by the
-built-in DHCP server).
-
-For example, to redirect host X11 connection from screen 1 to guest
-screen 0, use the following:
-
-@example
-# on the host
-qemu -redir tcp:6001::6000 [...]
-# this host xterm should open in the guest X11 server
-xterm -display :1
-@end example
-
-To redirect telnet connections from host port 5555 to telnet port on
-the guest, use the following:
-
-@example
-# on the host
-qemu -redir tcp:5555::23 [...]
-telnet localhost 5555
-@end example
-
-Then when you use on the host @code{telnet localhost 5555}, you
-connect to the guest telnet server.
-
-@end table
-
-Bluetooth(R) options:
-@table @option
-
-@item -bt hci[...]
-Defines the function of the corresponding Bluetooth HCI. -bt options
-are matched with the HCIs present in the chosen machine type. For
-example when emulating a machine with only one HCI built into it, only
-the first @code{-bt hci[...]} option is valid and defines the HCI's
-logic. The Transport Layer is decided by the machine type. Currently
-the machines @code{n800} and @code{n810} have one HCI and all other
-machines have none.
-
-@anchor{bt-hcis}
-The following three types are recognized:
-
-@table @code
-@item -bt hci,null
-(default) The corresponding Bluetooth HCI assumes no internal logic
-and will not respond to any HCI commands or emit events.
-
-@item -bt hci,host[:@var{id}]
-(@code{bluez} only) The corresponding HCI passes commands / events
-to / from the physical HCI identified by the name @var{id} (default:
-@code{hci0}) on the computer running QEMU. Only available on @code{bluez}
-capable systems like Linux.
-
-@item -bt hci[,vlan=@var{n}]
-Add a virtual, standard HCI that will participate in the Bluetooth
-scatternet @var{n} (default @code{0}). Similarly to @option{-net}
-VLANs, devices inside a bluetooth network @var{n} can only communicate
-with other devices in the same network (scatternet).
-@end table
-
-@item -bt vhci[,vlan=@var{n}]
-(Linux-host only) Create a HCI in scatternet @var{n} (default 0) attached
-to the host bluetooth stack instead of to the emulated target. This
-allows the host and target machines to participate in a common scatternet
-and communicate. Requires the Linux @code{vhci} driver installed. Can
-be used as following:
-
-@example
-qemu [...OPTIONS...] -bt hci,vlan=5 -bt vhci,vlan=5
-@end example
-
-@item -bt device:@var{dev}[,vlan=@var{n}]
-Emulate a bluetooth device @var{dev} and place it in network @var{n}
-(default @code{0}). QEMU can only emulate one type of bluetooth devices
-currently:
-
-@table @code
-@item keyboard
-Virtual wireless keyboard implementing the HIDP bluetooth profile.
-@end table
-
-@end table
-
-i386 target only:
-
-@table @option
-
-@item -win2k-hack
-Use it when installing Windows 2000 to avoid a disk full bug. After
-Windows 2000 is installed, you no longer need this option (this option
-slows down the IDE transfers).
-
-@item -rtc-td-hack
-Use it if you experience time drift problem in Windows with ACPI HAL.
-This option will try to figure out how many timer interrupts were not
-processed by the Windows guest and will re-inject them.
-
-@item -no-fd-bootchk
-Disable boot signature checking for floppy disks in Bochs BIOS. It may
-be needed to boot from old floppy disks.
-
-@item -no-acpi
-Disable ACPI (Advanced Configuration and Power Interface) support. Use
-it if your guest OS complains about ACPI problems (PC target machine
-only).
-
-@item -no-hpet
-Disable HPET support.
-
-@item -acpitable [sig=@var{str}][,rev=@var{n}][,oem_id=@var{str}][,oem_table_id=@var{str}][,oem_rev=@var{n}] [,asl_compiler_id=@var{str}][,asl_compiler_rev=@var{n}][,data=@var{file1}[:@var{file2}]...]
-Add ACPI table with specified header fields and context from specified files.
-
-@end table
-
-Linux boot specific: When using these options, you can use a given
-Linux kernel without installing it in the disk image. It can be useful
-for easier testing of various kernels.
-
-@table @option
-
-@item -kernel @var{bzImage}
-Use @var{bzImage} as kernel image.
-
-@item -append @var{cmdline}
-Use @var{cmdline} as kernel command line
-
-@item -initrd @var{file}
-Use @var{file} as initial ram disk.
-
-@end table
-
-Debug/Expert options:
-@table @option
-
-@item -serial @var{dev}
-Redirect the virtual serial port to host character device
-@var{dev}. The default device is @code{vc} in graphical mode and
-@code{stdio} in non graphical mode.
-
-This option can be used several times to simulate up to 4 serial
-ports.
-
-Use @code{-serial none} to disable all serial ports.
-
-Available character devices are:
-@table @code
-@item vc[:WxH]
-Virtual console. Optionally, a width and height can be given in pixel with
-@example
-vc:800x600
-@end example
-It is also possible to specify width or height in characters:
-@example
-vc:80Cx24C
-@end example
-@item pty
-[Linux only] Pseudo TTY (a new PTY is automatically allocated)
-@item none
-No device is allocated.
-@item null
-void device
-@item /dev/XXX
-[Linux only] Use host tty, e.g. @file{/dev/ttyS0}. The host serial port
-parameters are set according to the emulated ones.
-@item /dev/parport@var{N}
-[Linux only, parallel port only] Use host parallel port
-@var{N}. Currently SPP and EPP parallel port features can be used.
-@item file:@var{filename}
-Write output to @var{filename}. No character can be read.
-@item stdio
-[Unix only] standard input/output
-@item pipe:@var{filename}
-name pipe @var{filename}
-@item COM@var{n}
-[Windows only] Use host serial port @var{n}
-@item udp:[@var{remote_host}]:@var{remote_port}[@@[@var{src_ip}]:@var{src_port}]
-This implements UDP Net Console.
-When @var{remote_host} or @var{src_ip} are not specified
-they default to @code{0.0.0.0}.
-When not using a specified @var{src_port} a random port is automatically chosen.
-@item msmouse
-Three button serial mouse. Configure the guest to use Microsoft protocol.
-
-If you just want a simple readonly console you can use @code{netcat} or
-@code{nc}, by starting qemu with: @code{-serial udp::4555} and nc as:
-@code{nc -u -l -p 4555}. Any time qemu writes something to that port it
-will appear in the netconsole session.
-
-If you plan to send characters back via netconsole or you want to stop
-and start qemu a lot of times, you should have qemu use the same
-source port each time by using something like @code{-serial
-udp::4555@@:4556} to qemu. Another approach is to use a patched
-version of netcat which can listen to a TCP port and send and receive
-characters via udp. If you have a patched version of netcat which
-activates telnet remote echo and single char transfer, then you can
-use the following options to step up a netcat redirector to allow
-telnet on port 5555 to access the qemu port.
-@table @code
-@item Qemu Options:
--serial udp::4555@@:4556
-@item netcat options:
--u -P 4555 -L 0.0.0.0:4556 -t -p 5555 -I -T
-@item telnet options:
-localhost 5555
-@end table
-
-
-@item tcp:[@var{host}]:@var{port}[,@var{server}][,nowait][,nodelay]
-The TCP Net Console has two modes of operation. It can send the serial
-I/O to a location or wait for a connection from a location. By default
-the TCP Net Console is sent to @var{host} at the @var{port}. If you use
-the @var{server} option QEMU will wait for a client socket application
-to connect to the port before continuing, unless the @code{nowait}
-option was specified. The @code{nodelay} option disables the Nagle buffering
-algorithm. If @var{host} is omitted, 0.0.0.0 is assumed. Only
-one TCP connection at a time is accepted. You can use @code{telnet} to
-connect to the corresponding character device.
-@table @code
-@item Example to send tcp console to 192.168.0.2 port 4444
--serial tcp:192.168.0.2:4444
-@item Example to listen and wait on port 4444 for connection
--serial tcp::4444,server
-@item Example to not wait and listen on ip 192.168.0.100 port 4444
--serial tcp:192.168.0.100:4444,server,nowait
-@end table
-
-@item telnet:@var{host}:@var{port}[,server][,nowait][,nodelay]
-The telnet protocol is used instead of raw tcp sockets. The options
-work the same as if you had specified @code{-serial tcp}. The
-difference is that the port acts like a telnet server or client using
-telnet option negotiation. This will also allow you to send the
-MAGIC_SYSRQ sequence if you use a telnet that supports sending the break
-sequence. Typically in unix telnet you do it with Control-] and then
-type "send break" followed by pressing the enter key.
-
-@item unix:@var{path}[,server][,nowait]
-A unix domain socket is used instead of a tcp socket. The option works the
-same as if you had specified @code{-serial tcp} except the unix domain socket
-@var{path} is used for connections.
-
-@item mon:@var{dev_string}
-This is a special option to allow the monitor to be multiplexed onto
-another serial port. The monitor is accessed with key sequence of
-@key{Control-a} and then pressing @key{c}. See monitor access
-@ref{pcsys_keys} in the -nographic section for more keys.
-@var{dev_string} should be any one of the serial devices specified
-above. An example to multiplex the monitor onto a telnet server
-listening on port 4444 would be:
-@table @code
-@item -serial mon:telnet::4444,server,nowait
-@end table
-
-@item braille
-Braille device. This will use BrlAPI to display the braille output on a real
-or fake device.
-
-@end table
-
-@item -parallel @var{dev}
-Redirect the virtual parallel port to host device @var{dev} (same
-devices as the serial port). On Linux hosts, @file{/dev/parportN} can
-be used to use hardware devices connected on the corresponding host
-parallel port.
-
-This option can be used several times to simulate up to 3 parallel
-ports.
-
-Use @code{-parallel none} to disable all parallel ports.
-
-@item -monitor @var{dev}
-Redirect the monitor to host device @var{dev} (same devices as the
-serial port).
-The default device is @code{vc} in graphical mode and @code{stdio} in
-non graphical mode.
-
-@item -pidfile @var{file}
-Store the QEMU process PID in @var{file}. It is useful if you launch QEMU
-from a script.
-
-@item -S
-Do not start CPU at startup (you must type 'c' in the monitor).
-
-@item -s
-Wait gdb connection to port 1234 (@pxref{gdb_usage}).
-
-@item -p @var{port}
-Change gdb connection port. @var{port} can be either a decimal number
-to specify a TCP port, or a host device (same devices as the serial port).
-
-@item -d
-Output log in /tmp/qemu.log
-@item -hdachs @var{c},@var{h},@var{s},[,@var{t}]
-Force hard disk 0 physical geometry (1 <= @var{c} <= 16383, 1 <=
-@var{h} <= 16, 1 <= @var{s} <= 63) and optionally force the BIOS
-translation mode (@var{t}=none, lba or auto). Usually QEMU can guess
-all those parameters. This option is useful for old MS-DOS disk
-images.
-
-@item -L @var{path}
-Set the directory for the BIOS, VGA BIOS and keymaps.
-
-@item -bios @var{file}
-Set the filename for the BIOS.
-
-@item -kernel-kqemu
-Enable KQEMU full virtualization (default is user mode only).
-
-@item -no-kqemu
-Disable KQEMU kernel module usage. KQEMU options are only available if
-KQEMU support is enabled when compiling.
-
-@item -enable-kvm
-Enable KVM full virtualization support. This option is only available
-if KVM support is enabled when compiling.
-
-@item -no-reboot
-Exit instead of rebooting.
-
-@item -no-shutdown
-Don't exit QEMU on guest shutdown, but instead only stop the emulation.
-This allows for instance switching to monitor to commit changes to the
-disk image.
-
-@item -loadvm @var{file}
-Start right away with a saved state (@code{loadvm} in monitor)
-
-@item -daemonize
-Daemonize the QEMU process after initialization. QEMU will not detach from
-standard IO until it is ready to receive connections on any of its devices.
-This option is a useful way for external programs to launch QEMU without having
-to cope with initialization race conditions.
-
-@item -option-rom @var{file}
-Load the contents of @var{file} as an option ROM.
-This option is useful to load things like EtherBoot.
-
-@item -clock @var{method}
-Force the use of the given methods for timer alarm. To see what timers
-are available use -clock ?.
-
-@item -localtime
-Set the real time clock to local time (the default is to UTC
-time). This option is needed to have correct date in MS-DOS or
-Windows.
-
-@item -startdate @var{date}
-Set the initial date of the real time clock. Valid formats for
-@var{date} are: @code{now} or @code{2006-06-17T16:01:21} or
-@code{2006-06-17}. The default value is @code{now}.
-
-@item -icount [N|auto]
-Enable virtual instruction counter. The virtual cpu will execute one
-instruction every 2^N ns of virtual time. If @code{auto} is specified
-then the virtual cpu speed will be automatically adjusted to keep virtual
-time within a few seconds of real time.
-
-Note that while this option can give deterministic behavior, it does not
-provide cycle accurate emulation. Modern CPUs contain superscalar out of
-order cores with complex cache hierarchies. The number of instructions
-executed often has little or no correlation with actual performance.
-
-@item -echr numeric_ascii_value
-Change the escape character used for switching to the monitor when using
-monitor and serial sharing. The default is @code{0x01} when using the
-@code{-nographic} option. @code{0x01} is equal to pressing
-@code{Control-a}. You can select a different character from the ascii
-control keys where 1 through 26 map to Control-a through Control-z. For
-instance you could use the either of the following to change the escape
-character to Control-t.
-@table @code
-@item -echr 0x14
-@item -echr 20
-@end table
-
-@item -chroot dir
-Immediately before starting guest execution, chroot to the specified
-directory. Especially useful in combination with -runas.
-
-@item -runas user
-Immediately before starting guest execution, drop root privileges, switching
-to the specified user.
-
-@end table
+@include qemu-options.texi
@c man end