Commit Graph

2113 Commits

Author SHA1 Message Date
Kevin Wolf 3c45f62570 vl: Deprecate -mon pretty=... for HMP monitors
The -mon pretty=on|off switch of the -mon option applies only to QMP
monitors. It's silently ignored for HMP. Deprecate this combination so
that we can make it an error in future versions.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20190613153405.24769-16-kwolf@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Commit message tweaked]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2019-06-18 08:14:17 +02:00
Kevin Wolf fbfc29e3bf monitor: Replace monitor_init() with monitor_init_{hmp, qmp}()
Most callers know which monitor type they want to have. Instead of
calling monitor_init() with flags that can describe both types of
monitors, make monitor_init_{hmp,qmp}() public interfaces that take
specific bools instead of flags and call these functions directly.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20190613153405.24769-15-kwolf@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2019-06-18 08:14:17 +02:00
Markus Armbruster a8d2532645 Include qemu-common.h exactly where needed
No header includes qemu-common.h after this commit, as prescribed by
qemu-common.h's file comment.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190523143508.25387-5-armbru@redhat.com>
[Rebased with conflicts resolved automatically, except for
include/hw/arm/xlnx-zynqmp.h hw/arm/nrf51_soc.c hw/arm/msf2-soc.c
block/qcow2-refcount.c block/qcow2-cluster.c block/qcow2-cache.c
target/arm/cpu.h target/lm32/cpu.h target/m68k/cpu.h target/mips/cpu.h
target/moxie/cpu.h target/nios2/cpu.h target/openrisc/cpu.h
target/riscv/cpu.h target/tilegx/cpu.h target/tricore/cpu.h
target/unicore32/cpu.h target/xtensa/cpu.h; bsd-user/main.c and
net/tap-bsd.c fixed up]
2019-06-12 13:20:20 +02:00
Markus Armbruster 14a48c1d0d qemu-common: Move tcg_enabled() etc. to sysemu/tcg.h
Other accelerators have their own headers: sysemu/hax.h, sysemu/hvf.h,
sysemu/kvm.h, sysemu/whpx.h.  Only tcg_enabled() & friends sit in
qemu-common.h.  This necessitates inclusion of qemu-common.h into
headers, which is against the rules spelled out in qemu-common.h's
file comment.

Move tcg_enabled() & friends into their own header sysemu/tcg.h, and
adjust #include directives.

Cc: Richard Henderson <rth@twiddle.net>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190523143508.25387-2-armbru@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
[Rebased with conflicts resolved automatically, except for
accel/tcg/tcg-all.c]
2019-06-11 20:22:09 +02:00
Markus Armbruster edfb4389c2 vl: Document why objects are delayed
Objects should not be "delayed" without a reason, as the previous
commit demonstrates.  The remaining ones have reasons.  State them.
and demand future ones come with such a statement.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190604151251.9903-3-armbru@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-06-05 16:15:32 +02:00
Markus Armbruster 9ea18ed25a vl: Fix -drive / -blockdev persistent reservation management
qemu-system-FOO's main() acts on command line arguments in its own
idiosyncratic order.  There's not much method to its madness.
Whenever we find a case where one kind of command line argument needs
to refer to something created for another kind later, we rejigger the
order.

Recent commit cda4aa9a5a "vl: Create block backends before setting
machine properties" was such a rejigger.  Block backends are now
created before "delayed" objects.  This broke persistent reservation
management.  Reproducer:

    $ qemu-system-x86_64 -object pr-manager-helper,id=pr-helper0,path=/tmp/pr-helper0.sock-drive -drive file=/dev/mapper/crypt,file.pr-manager=pr-helper0,format=raw,if=none,id=drive-scsi0-0-0-2
    qemu-system-x86_64: -drive file=/dev/mapper/crypt,file.pr-manager=pr-helper0,format=raw,if=none,id=drive-scsi0-0-0-2: No persistent reservation manager with id 'pr-helper0'

The delayed pr-manager-helper object is created too late for use by
-drive or -blockdev.  Normal objects are still created in time.

pr-manager-helper has always been a delayed object (commit 7c9e527659
"scsi, file-posix: add support for persistent reservation
management").  Turns out there's no real reason for that.  Make it a
normal object.

Fixes: cda4aa9a5a
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190604151251.9903-2-armbru@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-06-05 16:15:25 +02:00
Wainer dos Santos Moschetta cbe6d6365a vl: make -accel help to list enabled accelerators only
Currently, -accel help shows all possible accelerators regardless
if they are enabled in the binary or not. That is a different
semantic from -cpu and -machine helps, for example. So this change
makes it to list only the accelerators which support is compiled
in the binary target.

Note that it does not check if the accelerator is enabled in the
host, so the help message's header was rewritten to emphasize
that. Also qtest is not displayed given that it is used for
internal testing purpose only.

Signed-off-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Message-Id: <20190530215755.328-2-wainersm@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-06-03 14:03:00 +02:00
Peter Maydell 95172e2405 vga: add vhost-user-gpu.
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Merge remote-tracking branch 'remotes/kraxel/tags/vga-20190529-pull-request' into staging

vga: add vhost-user-gpu.

# gpg: Signature made Wed 29 May 2019 05:40:02 BST
# gpg:                using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/vga-20190529-pull-request:
  hw/display: add vhost-user-vga & gpu-pci
  virtio-gpu: split virtio-gpu-pci & virtio-vga
  virtio-gpu: split virtio-gpu, introduce virtio-gpu-base
  spice-app: fix running when !CONFIG_OPENGL
  contrib: add vhost-user-gpu
  util: compile drm.o on posix
  virtio-gpu: add a pixman helper header
  virtio-gpu: add bswap helpers header
  vhost-user: add vhost_user_gpu_set_socket()
  virtio-gpu: add sanity check

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-05-30 13:10:00 +01:00
Marc-André Lureau 267f664658 hw/display: add vhost-user-vga & gpu-pci
Add new virtio-gpu devices with a "vhost-user" property. The
associated vhost-user backend is used to handle the virtio rings and
provide rendering results thanks to the vhost-user-gpu protocol.

Example usage:
-object vhost-user-backend,id=vug,cmd="./vhost-user-gpu"
-device vhost-user-vga,vhost-user=vug

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20190524130946.31736-10-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-05-29 06:30:45 +02:00
Alex Bennée 4e7f9032cf semihosting: enable chardev backed output for console
It will be useful for a number of use-cases to be able to re-direct
output to a file like we do with serial output. This does the wiring
to allow us to treat then semihosting console like just another
character output device.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2019-05-28 10:28:50 +01:00
Alex Bennée f1672e6f2b semihosting: move semihosting configuration into its own directory
In preparation for having some more common semihosting code let's
excise the current config magic from vl.c into its own file. We shall
later add more conditionals to the build configurations so we can
avoid building this if we don't need it.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2019-05-28 10:28:50 +01:00
Richard Henderson 9c09a2518e cpus: Initialize pseudo-random seeds for all guest cpus
When the -seed option is given, call qemu_guest_random_seed_main,
putting the subsystem into deterministic mode.  Pass derived seeds
to each cpu created; which is a no-op unless the subsystem is in
deterministic mode.

Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-05-22 12:38:54 -04:00
Peter Maydell 76c759e033 This fixes the virtfs documentation (LP 1581976), deprecates the
-virtfs_synth command line option, along with some assorted cleanups.
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Merge remote-tracking branch 'remotes/gkurz/tags/for-upstream' into staging

This fixes the virtfs documentation (LP 1581976), deprecates the
-virtfs_synth command line option, along with some assorted cleanups.

# gpg: Signature made Fri 17 May 2019 19:29:40 BST
# gpg:                using RSA key B4828BAF943140CEF2A3491071D4D5E5822F73D6
# gpg: Good signature from "Greg Kurz <groug@kaod.org>" [full]
# gpg:                 aka "Gregory Kurz <gregory.kurz@free.fr>" [full]
# gpg:                 aka "[jpeg image of size 3330]" [full]
# Primary key fingerprint: B482 8BAF 9431 40CE F2A3  4910 71D4 D5E5 822F 73D6

* remotes/gkurz/tags/for-upstream:
  virtfs: Fix documentation of -fsdev and -virtfs
  vl: Deprecate -virtfs_synth
  fsdev: Error out when unsupported option is passed
  fsdev: Move some types definition to qemu-fsdev.c
  fsdev: Drop unused opaque field
  fsdev: Drop unused extern declaration

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

# Conflicts:
#	qemu-deprecated.texi
2019-05-20 10:51:42 +01:00
Greg Kurz 6e4199af73 vl: Deprecate -virtfs_synth
The synth fsdriver never got used for anything else but the QTest
testcase for VirtIO 9P. And even there, QTest uses -fsdev synth and
-device virtio-9p-... directly.

Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2019-05-17 17:34:48 +02:00
Marc-André Lureau 2bb814a45b vl: fix -sandbox parsing crash when seccomp support is disabled
$ ./x86_64-softmmu/qemu-system-x86_64 -sandbox off
qemu-system-x86_64: -sandbox off: There is no option group 'sandbox'
Segmentation fault

Commit 5780760f5e ("seccomp: check TSYNC host capability") wrapped one
use of the sandbox option group to produce a sensible error, it didn't
do the same for another call to qemu_opts_parse_noisily():

(gdb) bt
    at util/qemu-option.c:829
 #0  0x00000000105b36d8 in opts_parse (list=0x0, params=0x3ffffffffab5 "off", permit_abbrev=true, defaults=false, errp=0x3ffffffff080)
     at util/qemu-option.c:829
 #1  0x00000000105b3b74 in qemu_opts_parse_noisily (list=<optimized out>, params=<optimized out>, permit_abbrev=<optimized out>) at util/qemu-option.c:890
 #2  0x0000000010024964 in main (argc=<optimized out>, argv=<optimized out>, envp=<optimized out>) at vl.c:3589

Fixes: 5780760f5e
Cc: david@gibson.dropbear.id.au
Cc: otubo@redhat.com
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190429134757.13570-1-marcandre.lureau@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-05-17 05:17:37 +02:00
Philippe Mathieu-Daudé d2fa65cd1c vl: Add missing descriptions to the VGA adapters list
Some VGA adapters do not contain an helpful description,
this can be confusing:

  $ qemu-system-arm -M virt -vga help
  none
  std                  standard VGA
  cirrus               Cirrus VGA (default)
  vmware               VMWare SVGA
  xenfb

Add a description to the missing adapters:

  $ qemu-system-arm -M virt -vga help
  none                 no graphic card
  std                  standard VGA
  cirrus               Cirrus VGA (default)
  vmware               VMWare SVGA
  xenfb                Xen paravirtualized framebuffer

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Based-on: <20190412152713.16018-1-marcandre.lureau@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Paul Durrant <paul.durrant@citrix.com>
Message-Id: <20190412163706.3878-1-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-05-15 11:56:53 +02:00
Thomas Huth 583f34c493 Declare -realtime as deprecated
The old -realtime mlock=on|off parameter does exactly the same as the
new -overcommit mem-lock=on|off parameter. Additionally, "-realtime"
does not activate any additional "realtime" capabilities as the name
might indicate. We should avoid to confuse the users this way, so
let's deprecate the old -realtime option.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20190411175345.19414-1-thuth@redhat.com>
2019-05-15 11:56:53 +02:00
Marc-André Lureau dceb885255 vl: add -vga help support
Provide help output similar to other argument help handling:

$ qemu-system-x86_64 -vga help
none
std                  standard VGA (default)
cirrus               Cirrus VGA
vmware               VMWare SVGA
xenfb
qxl                  QXL VGA
virtio               Virtio VG

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190412152713.16018-3-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-05-07 09:14:18 +02:00
Marc-André Lureau 53b93511f1 vl: constify VGAInterfaceInfo
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190412152713.16018-2-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-05-07 09:14:18 +02:00
Yury Kotov b1939fcd43 trace: fix runstate tracing
Signed-off-by: Yury Kotov <yury-kotov@yandex-team.ru>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-id: 20190426102115.30002-1-yury-kotov@yandex-team.ru
Message-Id: <20190426102115.30002-1-yury-kotov@yandex-team.ru>
Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
2019-04-29 11:57:19 -04:00
Eduardo Habkost c1c8cfe5f9 cpu: Rename parse_cpu_model() to parse_cpu_option()
The "model[,option...]" string parsed by the function is not just
a CPU model.  Rename the function and its argument to indicate it
expects the full "-cpu" option to be provided.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20190417025944.16154-2-ehabkost@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2019-04-25 14:17:35 -03:00
Markus Armbruster 12cb82fdf0 vl: Simplify machine_parse()
Exploit that argument @name is nerver null.  Check is_help_option()
first, because that's what we do elsewhere.  If we (foolishly!)
defined a machine named "help", -machine help would now print help
instead of selecting the machine named "help".

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Wei Yang <richardw.yang@linux.intel.com>
Message-Id: <20190405064121.23662-5-richardw.yang@linux.intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2019-04-25 14:16:42 -03:00
Markus Armbruster f2c9302138 vl: Clean up after previous commit
Since the previous commit, find_machine() and find_default_machine()
don't have to deallocate on return.  This permits further
simplifications.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Wei Yang <richardw.yang@linux.intel.com>
Message-Id: <20190405064121.23662-4-richardw.yang@linux.intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2019-04-25 14:16:42 -03:00
Wei Yang c516cd1b34 vl.c: allocate TYPE_MACHINE list once during bootup
Now all the functions used to select machine is local and the call flow
looks like below:

    select_machine()
        find_default_machine()
        machine_parse()
            find_machine()

All these related function will need a GSList for TYPE_MACHINE.
Currently we allocate this list each time we use it, while this is not
necessary to do so because we don't need to modify this.

This patch make the TYPE_MACHINE list allocation in select_machine and
pass this to its child for use.

Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190405064121.23662-3-richardw.yang@linux.intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2019-04-25 14:16:42 -03:00
Wei Yang 06433c27c1 vl.c: make find_default_machine() local
Function find_default_machine() is introduced by commit 2c8cffa599
"vl: make find_default_machine externally visible", and it was used
outside of vl.c until commit a904410af5 "pc_sysfw: remove the rom_only
property".

Commit a904410af5 "pc_sysfw: remove the rom_only property" removed the
only user of find_default_machine() outside vl.c, but neglected to make
it static. Do that now.

Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>

Message-Id: <20190405064121.23662-2-richardw.yang@linux.intel.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2019-04-25 14:16:41 -03:00
Markus Armbruster 0442428a89 target: Simplify how the TARGET_cpu_list() print
The various TARGET_cpu_list() take an fprintf()-like callback and a
FILE * to pass to it.  Their callers (vl.c's main() via list_cpus(),
bsd-user/main.c's main(), linux-user/main.c's main()) all pass
fprintf() and stdout.  Thus, the flexibility provided by the (rather
tiresome) indirection isn't actually used.

Drop the callback, and call qemu_printf() instead.

Calling printf() would also work, but would make the code unsuitable
for monitor context without making it simpler.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190417191805.28198-10-armbru@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2019-04-18 22:18:59 +02:00
Markus Armbruster 26eaf2cd0d vl: Make -machine $TYPE,help and -accel help print to stdout
Command line help help explicitly requested by the user should be
printed to stdout, not stderr.  We do elsewhere.  Adjust -machine
$TYPE,help and -accel help to match: use printf() instead of
error_printf().

Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Message-Id: <20190417190641.26814-10-armbru@redhat.com>
2019-04-18 22:18:59 +02:00
Christophe Fergeau f5852efa29 log: Make glib logging go through QEMU
This commit adds a error_init() helper which calls
g_log_set_default_handler() so that glib logs (g_log, g_warning, ...)
are handled similarly to other QEMU logs. This means they will get a
timestamp if timestamps are enabled, and they will go through the
HMP monitor if one is configured.

This commit also adds a call to error_init() to the binaries
installed by QEMU. Since error_init() also calls error_set_progname(),
this means that *-linux-user, *-bsd-user and qemu-pr-helper messages
output with error_report, info_report, ... will slightly change: they
will be prefixed by the binary name.

glib debug messages are enabled through G_MESSAGES_DEBUG similarly to
the glib default log handler.

At the moment, this change will mostly impact SPICE logging if your
spice version is >= 0.14.1. With older spice versions, this is not going
to work as expected, but will not have any ill effect, so this call is
not conditional on the SPICE version.

Signed-off-by: Christophe Fergeau <cfergeau@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20190131164614.19209-3-cfergeau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2019-04-17 19:08:27 +02:00
Markus Armbruster 0427b6257e vl: Document dependencies hiding in global and compat props
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190401090827.20793-5-armbru@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
2019-04-02 13:50:01 +02:00
Markus Armbruster 811f865271 Revert "migration: move only_migratable to MigrationState"
This reverts commit 3df663e575.
This reverts commit b605c47b57.

Command line option --only-migratable is for disallowing any
configuration that can block migration.

Initially, --only-migratable set global variable @only_migratable.

Commit 3df663e575 "migration: move only_migratable to MigrationState"
replaced it by MigrationState member @only_migratable.  That was a
mistake.

First, it doesn't make sense on the design level.  MigrationState
captures the state of an individual migration, but --only-migratable
isn't a property of an individual migration, it's a restriction on
QEMU configuration.  With fault tolerance, we could have several
migrations at once.  --only-migratable would certainly protect all of
them.  Storing it in MigrationState feels inappropriate.

Second, it contributes to a dependency cycle that manifests itself as
a bug now.

Putting @only_migratable into MigrationState means its available only
after migration_object_init().

We can't set it before migration_object_init(), so we delay setting it
with a global property (this is fixup commit b605c47b57 "migration:
fix handling for --only-migratable").

We can't get it before migration_object_init(), so anything that uses
it can only run afterwards.

Since migrate_add_blocker() needs to obey --only-migratable, any code
adding migration blockers can run only afterwards.  This contributes
to the following dependency cycle:

* configure_blockdev() must run before machine_set_property()
  so machine properties can refer to block backends

* machine_set_property() before configure_accelerator()
  so machine properties like kvm-irqchip get applied

* configure_accelerator() before migration_object_init()
  so that Xen's accelerator compat properties get applied.

* migration_object_init() before configure_blockdev()
  so configure_blockdev() can add migration blockers

The cycle was closed when recent commit cda4aa9a5a "Create block
backends before setting machine properties" added the first
dependency, and satisfied it by violating the last one.  Broke block
backends that add migration blockers.

Moving @only_migratable into MigrationState was a mistake.  Revert it.

This doesn't quite break the "migration_object_init() before
configure_blockdev() dependency, since migrate_add_blocker() still has
another dependency on migration_object_init().  To be addressed the
next commit.

Note that the reverted commit made -only-migratable sugar for -global
migration.only-migratable=on below the hood.  Documentation has only
ever mentioned -only-migratable.  This commit removes the arcane &
undocumented alternative to -only-migratable again.  Nobody should be
using it.

Conflicts:
	include/migration/misc.h
	migration/migration.c
	migration/migration.h
	vl.c

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190401090827.20793-3-armbru@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
2019-04-02 13:38:05 +02:00
Markus Armbruster 2fa23277d5 Revert "vl: Fix to create migration object before block backends again"
This reverts commit e60483f2f8.

Recent commit cda4aa9a5a moved block backend creation before machine
property evaluation.  This broke block backends registering migration
blockers.  Commit e60483f2f8 fixed it by moving migration object
creation before block backend creation.  This broke migration with
Xen.  Turns out we need to configure the accelerator before we create
the migration object so that Xen's accelerator compat properties get
applied.  Revert the flawed commit.  This fixes the Xen regression,
but brings back the block backend regression.  The next commits will
fix it again.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190401090827.20793-2-armbru@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
2019-04-02 13:35:00 +02:00
Markus Armbruster 17f30eae12 vl: Fix error location of positional arguments
We blame badness in positional arguments on the last option argument:

    $ qemu-system-x86_64 -vnc :1 bad.img
    qemu-system-x86_64: -vnc :1: Could not open 'foo': No such file or directory

I believe we've done this ever since we reported locations.  Fix it to

    qemu-system-x86_64: bad.img: Could not open 'bad.img': No such file or directory

Reported-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190318183312.4684-1-armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
2019-04-02 13:30:25 +02:00
Markus Armbruster e60483f2f8 vl: Fix to create migration object before block backends again
Recent commit cda4aa9a5a moved block backend creation before machine
property evaluation.  This broke qemu-iotests 055.  Turns out we need
to create the migration object before block backends, so block
backends can add migration blockers.  Fix by calling
migration_object_init() earlier, right before configure_blockdev().

Fixes: cda4aa9a5a
Reported-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-03-19 15:49:29 +01:00
Peter Maydell 85ce84489a ui: better unicode support for curses, v2.
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Merge remote-tracking branch 'remotes/kraxel/tags/ui-20190313-pull-request' into staging

ui: better unicode support for curses, v2.

# gpg: Signature made Wed 13 Mar 2019 07:29:44 GMT
# gpg:                using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/ui-20190313-pull-request:
  curses: add option to specify VGA font encoding
  iconv: detect and make curses depend on it

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-13 20:11:06 +00:00
Samuel Thibault e08bb3010c iconv: detect and make curses depend on it
curses will use it for proper wide output support.

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Message-Id: <20190311135127.2229-2-samuel.thibault@ens-lyon.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-03-13 08:29:01 +01:00
Peter Maydell cfc3fef6b4 audio: introduce -audiodev
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Merge remote-tracking branch 'remotes/kraxel/tags/audio-20190312-pull-request' into staging

audio: introduce -audiodev

# gpg: Signature made Tue 12 Mar 2019 07:12:19 GMT
# gpg:                using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/audio-20190312-pull-request:
  audio: -audiodev command line option: cleanup
  wavaudio: port to -audiodev config
  spiceaudio: port to -audiodev config
  sdlaudio: port to -audiodev config
  paaudio: port to -audiodev config
  ossaudio: port to -audiodev config
  noaudio: port to -audiodev config
  dsoundaudio: port to -audiodev config
  coreaudio: port to -audiodev config
  alsaaudio: port to -audiodev config
  audio: -audiodev command line option basic implementation
  audio: -audiodev command line option: documentation
  audio: use qapi AudioFormat instead of audfmt_e
  qapi: qapi for audio backends

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

# Conflicts:
#	qemu-deprecated.texi
2019-03-12 16:45:13 +00:00
Peter Maydell a6d3c23803 fw_cfg and thunk code clean up
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Merge remote-tracking branch 'remotes/vivier2/tags/trivial-branch-pull-request' into staging

fw_cfg and thunk code clean up

# gpg: Signature made Mon 11 Mar 2019 19:11:03 GMT
# gpg:                using RSA key F30C38BD3F2FBE3C
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/vivier2/tags/trivial-branch-pull-request:
  hw/nvram/fw_cfg: Use the ldst API
  hw/arm/virt: Remove null-check in virt_build_smbios()
  hw/i386: Remove unused include
  hw/nvram/fw_cfg: Remove the unnecessary boot_splash_filedata_size
  thunk: improve readability of allocation loop

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-12 12:29:53 +00:00
Markus Armbruster cda4aa9a5a vl: Create block backends before setting machine properties
qemu-system-FOO's main() acts on command line arguments in its own
idiosyncratic order.  There's not much method to its madness.
Whenever we find a case where one kind of command line argument needs
to refer to something created for another kind later, we rejigger the
order.

Block devices get created long after machine properties get processed.
Therefore, block device machine properties can be created, but not
set.  No such properties exist.  But the next commit will create some.
Time to rejigger again: create block devices earlier.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190308131445.17502-8-armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
2019-03-11 22:53:44 +01:00
Markus Armbruster d11bf9bf0f vl: Factor configure_blockdev() out of main()
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190308131445.17502-7-armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
2019-03-11 22:53:44 +01:00
Markus Armbruster 651af51c08 vl: Improve legibility of BlockdevOptions queue
Give the queue head type a name: BlockdevOptionsQueue.

Rename the queue entry type from BlockdevOptions_queue to
BlockdevOptionsQueueEntry.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190308131445.17502-6-armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-03-11 22:53:44 +01:00
Markus Armbruster e2fb3fbbf9 sysbus: Fix latent bug with onboard devices
The first call of sysbus_get_default() creates the main system bus and
stores it in QOM as "/machine/unattached/sysbus".  This must not
happen before main() creates "/machine", or else container_get() would
"helpfully" create it as "container" object, and the real creation of
"/machine" would later abort with "attempt to add duplicate property
'machine' to object (type 'container')".  Has been that way ever since
we wired up busses in QOM (commit f968fc6892, v1.2.0).

I believe the bug is latent.  I got it to bite by trying to
qdev_create() a sysbus device from a machine's .instance_init()
method.

The fix is obvious: store the main system bus in QOM right after
creating "/machine".

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20190308131445.17502-5-armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
2019-03-11 22:53:44 +01:00
Markus Armbruster fc4a473482 vl: Fix latent bug with -global and onboard devices
main() registers the user's -global only after we create the machine
object, i.e. too late for devices created in the machine's
.instance_init().

Fortunately, we know the bug is only latent: the commit before
previous fixed a bug that would've crashed any attempt to create a
device in an .instance_init().

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190308131445.17502-4-armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
2019-03-11 22:53:44 +01:00
Markus Armbruster 1a3ec8c156 qdev: Fix latent bug with compat_props and onboard devices
Compatibility properties started life as a qdev property thing: we
supported them only for qdev properties, and implemented them with the
machinery backing command line option -global.

Recent commit fa0cb34d22 put them to use (tacitly) with memory
backend objects (subtypes of TYPE_MEMORY_BACKEND).  To make that
possible, we first moved the work of applying them from the -global
machinery into TYPE_DEVICE's .instance_post_init() method
device_post_init(), in commits ea9ce8934c and b66bbee39f, then made
it available to TYPE_MEMORY_BACKEND's .instance_post_init() method
host_memory_backend_post_init() as object_apply_compat_props(), in
commit 1c3994f6d2.

Note the code smell: we now have function name starting with object_
in hw/core/qdev.c.  It has to be there rather than in qom/, because it
calls qdev_get_machine() to find the current accelerator's and
machine's compat_props.

Turns out calling qdev_get_machine() there is problematic.  If we
qdev_create() from a machine's .instance_init() method, we call
device_post_init() and thus qdev_get_machine() before main() can
create "/machine" in QOM.  qdev_get_machine() tries to get it with
container_get(), which "helpfully" creates it as "container" object,
and returns that.  object_apply_compat_props() tries to paper over the
problem by doing nothing when the value of qdev_get_machine() isn't a
TYPE_MACHINE.  But the damage is done already: when main() later
attempts to create the real "/machine", it fails with "attempt to add
duplicate property 'machine' to object (type 'container')", and
aborts.

Since no machine .instance_init() calls qdev_create() so far, the bug
is latent.  But since I want to do that, I get to fix the bug first.

Observe that object_apply_compat_props() doesn't actually need the
MachineState, only its the compat_props member of its MachineClass and
AccelClass.  This permits a simple fix: register MachineClass and
AccelClass compat_props with the object_apply_compat_props() machinery
right after these classes get selected.

This is actually similar to how things worked before commits
ea9ce8934c and b66bbee39f, except we now register much earlier.  The
old code registered them only after the machine's .instance_init()
ran, which would've broken compatibility properties for any devices
created there.

Cc: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190308131445.17502-2-armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
2019-03-11 22:53:44 +01:00
Philippe Mathieu-Daudé 96f209b946 hw/nvram/fw_cfg: Remove the unnecessary boot_splash_filedata_size
The 'boot_splash_filedata_size' was introduced as a global variable
in 3d3b8303c6. This variable is used as a 'size' argument to the
fw_cfg_add_file(). This function has an interface contract with its
'data' argument, but there is no such contract for 'size' (this is
not a referenced pointer).  We can simply remove it.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20190308013222.12524-7-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2019-03-11 18:48:20 +01:00
Kővágó, Zoltán 71830221fb audio: -audiodev command line option basic implementation
Audio drivers now get an Audiodev * as config paramters, instead of the
global audio_option structs.  There is some code in audio/audio_legacy.c
that converts the old environment variables to audiodev options (this
way backends do not have to worry about legacy options).  It also
contains a replacement of -audio-help, which prints out the equivalent
-audiodev based config of the currently specified environment variables.

Note that backends are not updated and still rely on environment
variables.

Also note that (due to moving try-poll from global to backend specific
option) currently ALSA and OSS will always try poll mode, regardless of
environment variables or -audiodev options.

Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Message-id: e99a7cbdac0d13512743880660b2032024703e4c.1552083282.git.DirtY.iCE.hu@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-03-11 10:29:27 +01:00
BALATON Zoltan 862b4a291d hw/display: Add basic ATI VGA emulation
At least two machines, the PPC mac99 and MIPS fulong2e, have an ATI
gfx chip by default (Rage 128 Pro and M6/RV100 respectively) and
guests running on these and the PMON2000 firmware of the fulong2e
expect this to be available. Fortunately these are very similar chips
so they can be mostly emulated in the same device model. This patch
adds basic emulation of these ATI VGA chips.

While this is incomplete and currently only enough to run the MIPS
firmware and get framebuffer output with Linux, it allows the fulong2e
board to work more like the real hardware and having it in QEMU in
this state provides a way to experiment with it and allows others to
contribute to improve it. It is compiled for all archs but only the
fulong2e (which currently has no display output at all) is set to use
it by default (in a separate patch).

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Acked-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Tested-by: Andrew Randrianasulu <randrianasulu@gmail.com>
Tested-by: Howard Spoelstra <hsp.cat7@gmail.com>
Message-id: 0b1b7c22873a6e37627261b04fb687412b25ff4f.1552152100.git.balaton@eik.bme.hu
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2019-03-11 08:04:55 +01:00
Marc-André Lureau c2d63650d9 slirp: move sources to src/ subdirectory
Prepare for making slirp/ a standalone project.

Remove some useless includes while at it.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190212162524.31504-5-marcandre.lureau@redhat.com>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2019-03-07 12:46:31 +01:00
Wei Wang bd2270608f migration/ram.c: add a notifier chain for precopy
This patch adds a notifier chain for the memory precopy. This enables various
precopy optimizations to be invoked at specific places.

Signed-off-by: Wei Wang <wei.w.wang@intel.com>
CC: Dr. David Alan Gilbert <dgilbert@redhat.com>
CC: Juan Quintela <quintela@redhat.com>
CC: Michael S. Tsirkin <mst@redhat.com>
CC: Peter Xu <peterx@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <1544516693-5395-6-git-send-email-wei.w.wang@intel.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2019-03-06 10:49:18 +00:00
Dr. David Alan Gilbert 892ae715b6 migration: Cleanup during exit
Currently we cleanup the migration object as we exit main after the
main_loop finishes; however if there's a migration running things
get messy and we can end up with the migration thread still trying
to access freed structures.

We now take a ref to the object around the migration thread itself,
so the act of dropping the ref during exit doesn't cause us to lose
the state until the thread quits.

Cancelling the migration during migration also tries to get the thread
to quit.

We do this a bit earlier; so hopefully migration gets out of the way
before all the devices etc are freed.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20190227164900.16378-1-dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2019-03-06 10:49:17 +00:00
Eric Auger ee6850110c vl: Set machine ram_size, maxram_size and ram_slots earlier
The machine RAM attributes will need to be analyzed during the
configure_accelerator() process. especially kvm_type() arm64
machine callback will use them to know how many IPA/GPA bits are
needed to model the whole RAM range. So let's assign those machine
state fields before calling configure_accelerator.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-id: 20190304101339.25970-7-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-05 15:55:09 +00:00