Commit Graph

862 Commits

Author SHA1 Message Date
H. Peter Anvin c9f398e53f debugcon: support for debugging consoles (e.g. Bochs port 0xe9)
Add generic support for debugging consoles (simple I/O ports which
when written to cause debugging output to be written to a target.)
The current implementation matches Bochs' port 0xe9, allowing the same
debugging code to be used for both Bochs and Qemu.

There is no vm state associated with the debugging port, simply
because it has none -- the entire interface is a single, stateless,
write-only port.

Most of the code was cribbed from the serial port driver.

v2: removed non-ISA variants (they can be introduced when/if someone
wants them, using code from the serial port); added configurable
readback (Bochs returns 0xe9 on a read from this register, mimic that
by default)  This retains the apparently somewhat controversial user
friendly option, however.

v3: reimplemented the user friendly option as a synthetic option
("-debugcon foo" basically ends up being a parser-level shorthand for
"-chardev stdio,id=debugcon -device isa-debugcon,chardev=debugcon") --
this dramatically reduced the complexity while keeping the same level
of user friendliness.

v4: spaces, not tabs.

v5: update to match current top of tree.  Calling qemu_chr_open()
already during parsing no longer works; defer until we are parsing the
other console-like devices.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-08 09:58:40 -06:00
Scott Tsai 59d1c1c2d7 USB: Improve usbdevice error messages
When an non-existent USB device is specified on the command line,
print "qemu: could not add USB device 'X'".
Likewise for the usb_{add,del} monitor commands.

Signed-off-by: Scott Tsai <scottt.tw@gmail.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-23 07:25:56 +01:00
Juha Riihimäki 099fe236d5 fix pidfile option to work in WIN32
Explicit read/write locking pidfile under WIN32 is bit extreme
nobody get the chance to read the pidfile. Convert to a write-only lock.

Also, creating pidfile was disabled along with daemonize under
WIN32. Enable it, but do not enable daemon support which doesn't
exist under WIN32 atm.

From: Juha Riihimäki <juha.riihimaki@nokia.com>
Signed-off-by: Juha Riihimäki <juha.riihimaki@nokia.com>
Signed-off-by: Riku Voipio <riku.voipio@nokia.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-18 23:23:56 +01:00
Gerd Hoffmann 69fd02eea6 fix vga names in default_list
Fix mismerge between 64465297 and 556cd098.

Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-18 11:26:28 -06:00
Gerd Hoffmann 42be86ce95 usb-net: use qdev for -usbdevice
Rebased to master, adapted to device renaming by armbru,
no other changes.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-18 11:26:28 -06:00
Gerd Hoffmann 15ff770544 Check rom_load_all() return value.
Check rom_load_all() return value.
Also don't make option rom loading failure fatal.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-18 11:26:27 -06:00
Gerd Hoffmann d8bcbabf26 defaults: update device_list[]
Add isa-fdc (disables default_floppy).
Add ide-drive (disables default_cdrom).

Also walk the -global QemuOpts, so we'll catch
-global isa-fdc.drive{A,B}=<name> too.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-18 11:26:27 -06:00
Gerd Hoffmann ac33f8fad1 defaults: split default_drive
Split default_drive into default_{floppy,cdrom,sdcard}.
Also add QEMUMachine flags to disable them per machine.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-18 11:26:27 -06:00
Kevin Wolf 75f1247539 Revert "Rename DriveInfo.onerror to on_write_error" (fix mismerge)
Part of the first patch of the -drive rerror series has been merged once more
on top of the rest of the series. This effectively disables the rerror option
and always goes with the default value. Reverting the commit re-enables the
option.

This reverts commit fc072ec4df.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-18 11:26:26 -06:00
Alexander Graf 38536da1e3 add default virtcon initialization
When going through the default devices, we don't initialize the virtio
console, unless we're doing -nographic.

I suppose that's just a leftover from the recent code restructuring, so
let's put it in.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-18 16:34:24 +01:00
Luiz Capitulino e78c48ec4e monitor: Convert do_info_mice() to QObject
Each mouse is represented by a QDict, the returned QObject is a QList of
all mice.

This commit should not change user output.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-12 07:59:49 -06:00
Gerd Hoffmann 986c5f7854 Set default console to virtio on S390x
All "normal" system emulation targets in qemu I'm aware of display
output on either VGA or serial output.

Our S390x virtio machine doesn't have such kind of legacy hardware. So
instead we need to default to a virtio console.

Add flags to QEMUMachine to indicate which kind of default devices make
sense for the machine in question.  Use it for S390x: enable virtcon,
disable serial, parallel and vga.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-12 07:59:44 -06:00
Gerd Hoffmann aee1b935c5 default devices: virtio consoles.
This patch adds a variable default_virtcon which says whenever a default
virtio console should be added.  It is disabled by default, followup
patch will enable it for s390.  It is cleared when qemu finds
'-virtiocon', '-device virtio-console-s390' or '-device
virtio-console-pci' on the command line.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-12 07:59:44 -06:00
Gerd Hoffmann 6ca5582d4f add -qmp convinience switch
Acts like -monitor but switched into qmp mode.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-12 07:59:43 -06:00
Gerd Hoffmann 22a0e04b9b add new -mon switch
Add -mon switch which maps pretty straight forward into the QemuOpts
internal representation:

  -mon chardev=<name>[,mode=[control|readline]][,[no]default]

Via config file:

[mon]
   chardev = "<name>"
   mode = "readline"
   default = "on"

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-12 07:59:43 -06:00
Gerd Hoffmann 8858934370 rework -monitor handling, switch to QemuOpts
This patch reworks the -monitor handling:

 - It adds a new "mon" QemuOpts list for the monitor(s).
 - It adds a monitor_parse() function to parse the -monitor switch.
 - It adds a mon_init function to initialize the monitor(s) from the
   "mon" QemuOpts list.
 - It winds up everything and removes the old bits.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-12 07:59:43 -06:00
Gerd Hoffmann aa40fc9c96 default devices: drives
Add a default_drive variable which specified whenever the default drives
(cdrom, floppy, sd) should be created.  It is cleared when the new
-nodefaults switch is specified on the command line.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-12 07:59:43 -06:00
Gerd Hoffmann cb4522ccf6 default devices: network
Add a default_net variable which specified whenever a default network
should be created.  It is cleared in case any -net option is specified
and it is also added to the new -nodefaults switch.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-12 07:59:43 -06:00
Gerd Hoffmann d8c208dd8a default devices: add global cmd line option.
Add global command line option to disable default devices.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-12 07:59:43 -06:00
Gerd Hoffmann 64465297cd default devices: vga adapter.
Qemu creates a vga display for you in case you didn't specify one on the
command line.  Right now this is tied to the '-vga <type>' command line
switch, which in turn causes trouble if you are creating your gfx card
using '-device VGA,<props>'.

This patch adds a variable default_vga which says whenever a default
serial line should be added.  It is enabled by default.  It is cleared
when qemu finds '-vga' or '-device {VGA,Cirrus VGA,QEMUware SVGA}' on
the command line.

'-device VGA' still doesn't work though due to a initialization order
issue (vga must init before calling i440fx_init_memory_mappings).

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-12 07:59:42 -06:00
Gerd Hoffmann e1c09175bc zap serial_monitor_mux
The logic in this code obviously predates the multiple monitor
capability of qemu and looks increasingly silly these days.

I think the intention of this piece of code is to get a reasonable
default for the -nographic case: have monitor and serial line muxed
on stdio.

With the new default_serial and default_monitor variables we have now
doing just that became much easier ;)

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-12 07:59:42 -06:00
Gerd Hoffmann abdeed06b4 default devices: qemu monitor.
This patch makes the monitor default device configuration work like the
default serial and parallel port devices.  It adds a variable
default_monitor which says whenever a default monitor should be added.
It is enabled by default.  It is cleared when qemu finds '-monitor' on
the command line.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-12 07:59:42 -06:00
Gerd Hoffmann 6a5e8b0e31 default devices: parallel port.
Qemu creates a default parallel port for you in case you didn't specify
one on the command line.  Right now this is tied to the '-parallel
<chardev>' command line switch, which in turn causes trouble if you are
creating your parallel port via '-device isa-parallel,<props>'.

This patch adds a variable default_parallel which says whenever a default
parallel port should be added.  It is enabled by default.  It is cleared
when qemu finds '-parallel' or '-device isa-parallel' on the command line.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-12 07:59:42 -06:00
Gerd Hoffmann 998bbd74b9 default devices: core code & serial lines.
Qemu creates a default serial line for you in case you didn't specify
one on the command line.  Right now this is tied to the '-serial
<chardev>' command line switch, which in turn causes trouble if you are
creating your serial line via '-device isa-serial,<props>'.

This patch adds a variable default_serial which says whenever a default
serial line should be added.  It is enabled by default.  It is cleared
when qemu finds '-serial' or '-device isa-serial' on the command line.

Part of the patch is some infrastructure for the '-device $driver'
checking (default_driver_check function) which will also be used by the
other patches of this series.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-12 07:59:42 -06:00
Gerd Hoffmann 51bfa4d316 chardev: move greeting into vc backend.
Make the 'vc' chardev backend print a title line with the chardev name
after initialization, using CharDriverState->label.

This replaces the banner printing code in vl.c.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-12 07:59:41 -06:00
Gerd Hoffmann 014100bb73 Revert "Set default console to virtio on S390x"
This reverts commit 93d434b4ae.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-12 07:59:41 -06:00
Gerd Hoffmann 4e307fc883 Revert "monitor: Command-line flag to enable control mode"
This reverts commit adcb181afe.

Conflicts:

	monitor.h

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-12 07:59:41 -06:00
Gerd Hoffmann 1a688d3bbc chardev: make chardevs specified in config file work.
The patch decuples the -chardev switch and the actual chardev
initialization.  Without this patch qemu ignores chardev entries
coming via -readconfig.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-12 07:59:41 -06:00
Gerd Hoffmann d0fef6fbea qdev: add command line option to set global defaults for properties.
This patch adds infrastructure and command line option for setting
global defaults for device properties, i.e. you can for example use

  -global virtio-blk-pci.vectors=0

to turn off msi by default for all virtio block devices.  The config
file syntax is:

[global]
  driver = "virtio-blk-pci"
  property = "vectors"
  value = "0"

This can also be used to set properties for devices which are not
created via -device but implicitly via machine init, i.e.

  -global isa-fdc,driveA=<name>

This patch uses the mechanism which configures properties for the
compatibility machine types (pc-0.10 & friends).  The command line
takes precedence over the machine type values.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-12 07:59:40 -06:00
Gerd Hoffmann 458fb6792d qdev: make compat stuff more generic
This patch renames the compat properties into global properties and
makes them more generic.  The compatibility stuff is only one of
multiple possible users now.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-12 07:59:40 -06:00
Alexander Graf 93d434b4ae Set default console to virtio on S390x
All "normal" system emulation targets in qemu I'm aware of display output
on either VGA or serial output.

Our S390x virtio machine doesn't have such kind of legacy hardware. So
instead we need to default to a virtio console.

I'm not particularly proud of this patch. It would be a lot better to
have something in the machine description that tells us about the default
terminal.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-12-05 17:36:06 +01:00
Blue Swirl 242cd0030a monitor: rename EVENT_* to QEVENT_* to avoid conflict on mingw32
Partially fixes mingw32 build.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-12-04 18:05:45 +00:00
Kevin Wolf fc072ec4df Rename DriveInfo.onerror to on_write_error
Either rename variables and functions to refer to write errors (which is what
they actually do) or introduce a parameter to distinguish reads and writes.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-03 15:25:57 -06:00
Kevin Wolf 40ff6d7e8d Don't leak file descriptors
We're leaking file descriptors to child processes. Set FD_CLOEXEC on file
descriptors that don't need to be passed to children to stop this misbehaviour.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-03 11:45:50 -06:00
Kevin Wolf f35d68f0e7 virtio-blk: Implement rerror option
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-03 11:45:49 -06:00
Kevin Wolf ce4b6522f7 ide: Implement rerror option
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-03 11:45:49 -06:00
Kevin Wolf e9b2e81889 Introduce rerror option for drives
rerror controls the action to be taken when an error occurs while accessing the
guest image file. It corresponds to werror which already controls the action
take for write errors.

This purely introduces parsing rerror command line option into the right
structures, real support for it in the device emulation is added in the
following patches.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-03 11:45:49 -06:00
Kevin Wolf f785009961 Rename DriveInfo.onerror to on_write_error
Either rename variables and functions to refer to write errors (which is what
they actually do) or introduce a parameter to distinguish reads and writes.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-03 11:45:49 -06:00
Jan Kiszka 843079386e ram migration: Properly reset statistics
As we may do more than one migration (cancellation, live backup), reset
bytes_transferred on stage 1.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-03 11:45:49 -06:00
Jan Kiszka f327aa0c60 live migration: Propagate output monitor to callback handler
In order to allow proper progress reporting to the monitor that
initiated the migration, forward the monitor reference through the
migration layer down to SaveLiveStateHandler.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-03 10:48:53 -06:00
Jan Kiszka 4ec7fcc7da live migration: Allow cleanup after cancellation or error
Introduce qemu_savevm_state_cancel and inject a stage -1 to cancel a
live migration. This gives the involved subsystems a chance to clean up
dynamically allocated resources. Namely, the block migration layer can
now free its device descriptors and pending blocks.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-03 10:48:53 -06:00
Jan Kiszka 9a743e5ba3 ram migration: Stop loading on error
Besides catching real errors, this also allows to interrrupt the qemu
process during restore.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-03 10:48:53 -06:00
Mark McLoughlin 68ac40d2c6 net: move slirp code from net.c to net/slirp.c
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-03 09:41:27 -06:00
Luiz Capitulino b1a15e7eaa QMP: Introduce basic asynchronous events
Debug, shutdown, reset, powerdown and stop are all basic events,
as they are very simple they can be added in the same commit.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-03 09:41:24 -06:00
Luiz Capitulino adcb181afe monitor: Command-line flag to enable control mode
This commit adds a flag called 'control' to the '-monitor'
command-line option. This flag enables control mode.

The syntax is:

qemu [...] -monitor control,<device>

Where <device> is a chardev (excluding 'vc', for obvious reasons).

For example:

$ qemu [...] -monitor control,tcp:localhost:4444,server

Will run QEMU in control mode, waiting for a client TCP connection
on localhost port 4444.

NOTE: I've tried using QemuOpts for this, but turns out that it
will try to parse the device part, which should be untouched.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-03 09:41:21 -06:00
Aurelien Jarno bbe813a2dd Fix commit a167ba5085
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-11-30 15:42:59 +01:00
Aurelien Jarno a167ba5085 Add support for GNU/kFreeBSD
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-11-29 18:00:41 +01:00
Hervé Poussineau c0d674b56e [WIN32] Enable -k option on Windows too
There is no reason to have it disabled on this platform.

Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2009-11-22 14:19:02 +01:00
lirans@il.ibm.com c163b5cae9 Block live migration
This patch introduces block migration called during live migration. Block
are being copied to the destination in an async way. First the code will
transfer the whole disk and then transfer all dirty blocks accumulted during
the migration.
Still need to improve transition from the iterative phase of migration to the
end phase. For now transition will take place when all blocks transfered once,
all the dirty blocks will be transfered during the end phase (guest is
suspended).

Changes from v4:
- Global variabels moved to a global state structure allocated dynamically.
- Minor coding style issues.
- Poll block.c for tracking of dirty blocks instead of manage it here.

Signed-off-by: Liran Schour <lirans@il.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-11-17 08:49:30 -06:00
Amit Shah 57e073a3a1 char: Remove special init_reset handling
The initial_reset sent to chardevs doesn't do much other than setting
a bool to true. Char devices are interested in the open event and
that gets sent whenever the device is opened.

Moreover, the reset logic breaks as and when qemu's bh scheduling
changes.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-11-17 08:03:30 -06:00