Commit Graph

10603 Commits

Author SHA1 Message Date
Igor Mammedov
b21aa7e01e numa: drop support for '-numa node' (without memory specified)
it was deprecated since 4.1
commit 4bb4a2732e (numa: deprecate implict memory distribution between nodes)

Users of existing VMs, wishing to preserve the same RAM distribution,
should configure it explicitly using ``-numa node,memdev`` options.
Current RAM distribution can be retrieved using HMP command
`info numa` and if separate memory devices (pc|nv-dimm) are present
use `info memory-device` and subtract device memory from output of
`info numa`.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200911084410.788171-2-imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-09-30 19:09:20 +02:00
Li Feng
b82526c7ee vhost-scsi: support inflight io track
Qemu will send GET_INFLIGHT_FD and SET_INFLIGH_FD to backend, and
the backend setup the inflight memory to track the io.

Change-Id: I805d6189996f7a1b44c65f0b12ef7473b1789510
Signed-off-by: Li Feng <fengli@smartx.com>
Message-Id: <20200909122021.1055174-1-fengli@smartx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-09-30 19:09:20 +02:00
Eduardo Habkost
ffb716f050 memory: Convert IOMMUMemoryRegionClass doc comment to kernel-doc
Convert the existing documentation comments of
IOMMUMemoryRegionClass to kernel-doc format so their contents
will appear in the API reference at docs/devel/memory.html.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20200908201129.3407568-1-ehabkost@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-09-30 19:09:19 +02:00
Philippe Mathieu-Daudé
27c9188fa0 qapi: Extract ACPI commands to 'acpi.json'
Only qemu-system-FOO and qemu-storage-daemon provide QMP
monitors, therefore such declarations and definitions are
irrelevant for user-mode emulation.

Extracting the ACPI commands to their own schema reduces the size of
the qapi-misc* headers generated, and pulls less QAPI-generated code
into user-mode.

Suggested-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200913195348.1064154-8-philmd@redhat.com>
[Commit message tweaked]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2020-09-29 15:41:36 +02:00
Philippe Mathieu-Daudé
b495ec6c5e qapi: Restrict device memory commands to machine code
Only qemu-system-FOO and qemu-storage-daemon provide QMP
monitors, therefore such declarations and definitions are
irrelevant for user-mode emulation.

Restricting the memory commands to machine.json pulls less
QAPI-generated code into user-mode.

Acked-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200913195348.1064154-7-philmd@redhat.com>
[Commit message tweaked]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2020-09-29 15:41:36 +02:00
Philippe Mathieu-Daudé
a83e24ba1a qapi: Restrict balloon-related commands to machine code
Only qemu-system-FOO and qemu-storage-daemon provide QMP
monitors, therefore such declarations and definitions are
irrelevant for user-mode emulation.

Restricting the balloon-related commands to machine.json pulls less
QAPI-generated code into user-mode.

Reviewed-by: David Hildenbrand <david@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200913195348.1064154-4-philmd@redhat.com>
[Commit message tweaked]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2020-09-29 15:41:35 +02:00
Philippe Mathieu-Daudé
8dc007d3d9 qapi: Restrict LostTickPolicy enum to machine code
Restricting LostTickPolicy to machine.json pulls slightly less
QAPI-generated code into user-mode.

Acked-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200913195348.1064154-2-philmd@redhat.com>
[Add rationale to commit message]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2020-09-29 15:41:35 +02:00
Peter Maydell
5663ac2aa0 virtio-vga: reset fix, bigendian fix.
virtio-vga+spice: set monitor dimension via edid.
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Merge remote-tracking branch 'remotes/kraxel/tags/vga-20200929-pull-request' into staging

virtio-vga: reset fix, bigendian fix.
virtio-vga+spice: set monitor dimension via edid.

# gpg: Signature made Tue 29 Sep 2020 10:57:01 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-20200929-pull-request:
  ppc/pseries: enable big-endian-framebuffer quirk for bochs-display and virtio-vga
  virtio-vga: implement big-endian-framebuffer property
  virtio-gpu: set physical dimensions for EDID
  spice: get monitors physical dimension
  spice: remove the single monitor config logic
  ui: add getter for UIInfo
  edid: use physical dimensions if available
  edid: fix physical display size computation
  virtio-gpu-3d: fix abnormal display after a warm reboot

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-09-29 12:03:06 +01:00
Marc-André Lureau
4bf47f3634 virtio-gpu: set physical dimensions for EDID
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20200927145751.365446-7-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2020-09-29 10:08:25 +02:00
Marc-André Lureau
9028ab1f5b spice: get monitors physical dimension
With upcoming Spice server version 0.14.4, the monitor configuration can
contain additional fields for the monitor physical dimensions.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20200927145751.365446-6-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2020-09-29 10:08:25 +02:00
Marc-André Lureau
5eaf1e48ff ui: add getter for UIInfo
The following patch is going to introduce extra fields / details to
UIInfo. Add a getter and keep the current values, instead of memset(0)

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20200927145751.365446-4-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2020-09-29 10:08:25 +02:00
Marc-André Lureau
fd36eade01 edid: use physical dimensions if available
Replace dpi with width_mm/height_mm in qemu_edid_info.

Use it when set (non-zero) to compute the DPI and generate the EDID.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20200927145751.365446-3-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2020-09-29 10:08:25 +02:00
Igor Mammedov
998ba95016 x86: acpi: introduce the PCI0.SMI0 ACPI device
When CPU hotplug with SMI has been negotiated, describe the SMI
register block in the DSDT. Pass the ACPI name of the SMI control
register to build_cpus_aml(), so that CPU_SCAN_METHOD can access the
register in the next patch.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20200923094650.1301166-9-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-09-29 02:15:24 -04:00
Igor Mammedov
eb8f7f9178 x86: ich9: expose "smi_negotiated_features" as a QOM property
Expose the "smi_negotiated_features" field of ICH9LPCState as
a QOM property.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20200923094650.1301166-7-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-09-29 02:15:24 -04:00
Igor Mammedov
5776fa998d acpi: add aml_land() and aml_break() primitives
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20200923094650.1301166-5-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-09-29 02:15:24 -04:00
Igor Mammedov
00dc02d284 x86: lpc9: let firmware negotiate 'CPU hotplug with SMI' features
It will allow firmware to notify QEMU that firmware requires SMI
being triggered on CPU hot[un]plug, so that it would be able to account
for hotplugged CPU and relocate it to new SMM base and/or safely remove
CPU on unplug.

Using negotiated features, follow up patches will insert SMI upcall
into AML code, to make sure that firmware processes hotplug before
guest OS would attempt to use new CPU.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20200923094650.1301166-2-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-09-29 02:15:24 -04:00
Stefano Garzarella
d55f518248 virtio: skip legacy support check on machine types less than 5.1
Commit 9b3a35ec82 ("virtio: verify that legacy support is not accidentally
on") added a check that returns an error if legacy support is on, but the
device does not support legacy.

Unfortunately some devices were wrongly declared legacy capable even if
they were not (e.g vhost-vsock).

To avoid migration issues, we add a virtio-device property
(x-disable-legacy-check) to skip the legacy error, printing a warning
instead, for machine types < 5.1.

Cc: qemu-stable@nongnu.org
Fixes: 9b3a35ec82 ("virtio: verify that legacy support is not accidentally on")
Suggested-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Suggested-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Message-Id: <20200921122506.82515-2-sgarzare@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-09-29 02:15:24 -04:00
Laurent Vivier
bbb169080f util/hexdump: introduce qemu_hexdump_line()
Dumping one line of hexadecimal/ASCII from a buffer is often needed.
Move this part from qemu_hexdump() and use it

Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Message-Id: <20200925091055.186023-2-lvivier@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-09-29 02:14:30 -04:00
Igor Mammedov
63e79833c4 cphp: remove deprecated cpu-add command(s)
These were deprecated since 4.0, remove both HMP and QMP variants.

Users should use device_add command instead. To get list of
possible CPUs and options, use 'info hotpluggable-cpus' HMP
or query-hotpluggable-cpus QMP command.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20200915120403.1074579-1-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-09-29 02:14:30 -04:00
Dima Stepanov
f5b22d06fb vhost: recheck dev state in the vhost_migration_log routine
vhost-user devices can get a disconnect in the middle of the VHOST-USER
handshake on the migration start. If disconnect event happened right
before sending next VHOST-USER command, then the vhost_dev_set_log()
call in the vhost_migration_log() function will return error. This error
will lead to the assert() and close the QEMU migration source process.
For the vhost-user devices the disconnect event should not break the
migration process, because:
  - the device will be in the stopped state, so it will not be changed
    during migration
  - if reconnect will be made the migration log will be reinitialized as
    part of reconnect/init process:
    #0  vhost_log_global_start (listener=0x563989cf7be0)
    at hw/virtio/vhost.c:920
    #1  0x000056398603d8bc in listener_add_address_space (listener=0x563989cf7be0,
        as=0x563986ea4340 <address_space_memory>)
    at softmmu/memory.c:2664
    #2  0x000056398603dd30 in memory_listener_register (listener=0x563989cf7be0,
        as=0x563986ea4340 <address_space_memory>)
    at softmmu/memory.c:2740
    #3  0x0000563985fd6956 in vhost_dev_init (hdev=0x563989cf7bd8,
        opaque=0x563989cf7e30, backend_type=VHOST_BACKEND_TYPE_USER,
        busyloop_timeout=0)
    at hw/virtio/vhost.c:1385
    #4  0x0000563985f7d0b8 in vhost_user_blk_connect (dev=0x563989cf7990)
    at hw/block/vhost-user-blk.c:315
    #5  0x0000563985f7d3f6 in vhost_user_blk_event (opaque=0x563989cf7990,
        event=CHR_EVENT_OPENED)
    at hw/block/vhost-user-blk.c:379
Update the vhost-user-blk device with the internal started_vu field which
will be used for initialization (vhost_user_blk_start) and clean up
(vhost_user_blk_stop). This additional flag in the VhostUserBlk structure
will be used to track whether the device really needs to be stopped and
cleaned up on a vhost-user level.
The disconnect event will set the overall VHOST device (not vhost-user) to
the stopped state, so it can be used by the general vhost_migration_log
routine.
Such approach could be propogated to the other vhost-user devices, but
better idea is just to make the same connect/disconnect code for all the
vhost-user devices.

This migration issue was slightly discussed earlier:
  - https://lists.gnu.org/archive/html/qemu-devel/2020-05/msg01509.html
  - https://lists.gnu.org/archive/html/qemu-devel/2020-05/msg05241.html

Signed-off-by: Dima Stepanov <dimastep@yandex-team.ru>
Reviewed-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Message-Id: <9fbfba06791a87813fcee3e2315f0b904cc6789a.1599813294.git.dimastep@yandex-team.ru>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-09-29 02:14:29 -04:00
Jason Wang
a5bd05800f vhost-vdpa: batch updating IOTLB mappings
To speed up the memory mapping updating between vhost-vDPA and vDPA
device driver, this patch passes the IOTLB batching flags via IOTLB
API. Two new flags was introduced, VHOST_IOTLB_BATCH_BEGIN is a hint
that a bathced IOTLB updating may be initiated from the
userspace. VHOST_IOTLB_BATCH_END is a hint that userspace has finished
the updating:

VHOST_IOTLB_BATCH_BEGIN
VHOST_IOTLB_UPDATE/VHOST_IOTLB_INVALIDATE
...
VHOST_IOTLB_BATCH_END

Vhost-vDPA can then know that all mappings has been set and can do
optimization like passing all the mappings to the vDPA device driver.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20200907104903.31551-4-jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-09-29 02:14:29 -04:00
Jason Wang
b37556edec vhost: switch to use IOTLB v2 format
This patch tries to switch to use new kernel IOTLB format V2. Previous
version may have inconsistent ABI between 32bit and 64bit machines
because of the hole after type field. Refer kernel commit
("429711aec282 vhost: switch to use new message format") for more
information.

To enable this feature, qemu need to use a new ioctl
VHOST_SET_BACKEND_FEATURE with VHOST_BACKEND_F_IOTLB_MSG_V2 bit. A new
vhost setting backend features ops was introduced. And when we try to
set features for vhost dev, we will examine the support of new IOTLB
format and enable it. This process is total transparent to guest,
which means we can have different IOTLB message type in src and dst
during migration.

The conversion of IOTLB message is straightforward, just check the
type and behave accordingly.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20200907104903.31551-3-jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-09-29 02:14:29 -04:00
Jason Wang
e6546342a8 linux headers: sync to 5.9-rc4
Update against Linux 5.9-rc4.

Cc: Cornelia Huck <cohuck@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20200907104903.31551-2-jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-09-29 02:14:29 -04:00
Peter Maydell
92d0950267 Trivial Patches Pull request 20200928
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Merge remote-tracking branch 'remotes/vivier2/tags/trivial-branch-for-5.2-pull-request' into staging

Trivial Patches Pull request 20200928

# gpg: Signature made Mon 28 Sep 2020 10:15:00 BST
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# 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-for-5.2-pull-request:
  docs/system/deprecated: Move lm32 and unicore32 to the right section
  migration/multifd: Remove superfluous semicolons
  timer: Fix timer_mod_anticipate() documentation
  vhost-vdpa: remove useless variable
  Add *.pyc back to the .gitignore file
  virtio: vdpa: omit check return of g_malloc
  meson: fix static flag summary
  vhost-vdpa: fix indentation in vdpa_ops

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-09-28 14:03:09 +01:00
Peter Maydell
8c1c07929f Pull request
This includes the atomic_ -> qatomic_ rename that touches many files and is
 prone to conflicts.
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Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging

Pull request

This includes the atomic_ -> qatomic_ rename that touches many files and is
prone to conflicts.

# gpg: Signature made Wed 23 Sep 2020 17:08:43 BST
# gpg:                using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [full]
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>" [full]
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* remotes/stefanha/tags/block-pull-request:
  qemu/atomic.h: rename atomic_ to qatomic_
  tests: add test-fdmon-epoll
  fdmon-poll: reset npfd when upgrading to fdmon-epoll
  gitmodules: add qemu.org vbootrom submodule
  gitmodules: switch to qemu.org meson mirror
  gitmodules: switch to qemu.org qboot mirror
  docs/system: clarify deprecation schedule
  virtio-crypto: don't modify elem->in/out_sg
  virtio-blk: undo destructive iov_discard_*() operations
  util/iov: add iov_discard_undo()
  virtio: add vhost-user-fs-ccw device
  libvhost-user: handle endianness as mandated by the spec
  MAINTAINERS: add Stefan Hajnoczi as block/nvme.c maintainer

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-09-24 18:48:45 +01:00
Peter Maydell
1bd5556f66 audio: various buffering fixes.
audio: build spiceaudio as module.
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 Version: GnuPG v2.0.22 (GNU/Linux)
 
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/kraxel/tags/audio-20200923-pull-request' into staging

audio: various buffering fixes.
audio: build spiceaudio as module.

# gpg: Signature made Wed 23 Sep 2020 10:09:46 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/audio-20200923-pull-request:
  audio: build spiceaudio as module
  audio: remove qemu_spice_audio_init()
  audio: run downstream playback queue unconditionally
  audio: align audio_generic_write with audio_pcm_hw_run_out
  audio: remove unnecessary calls to put_buffer_in
  audio: align audio_generic_read with audio_pcm_hw_run_in
  audio/spiceaudio: always rate limit playback stream
  audio/audio: fix video playback slowdown with spiceaudio
  audio: handle buf == NULL in put_buffer_out()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-09-24 17:22:17 +01:00
Peter Maydell
f7f1d916b2 machine + QOM queue, 2020-09-22
QOM cleanups:
 * Convert instance properties to class properties
   (Eduardo Habkost)
 * simplify object_find_property / object_class_find_property
   (Daniel P. Berrangé)
 
 Deprecated feature removal:
 * Drop support for invalid topologies (Igor Mammedov)
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Merge remote-tracking branch 'remotes/ehabkost/tags/machine-next-pull-request' into staging

machine + QOM queue, 2020-09-22

QOM cleanups:
* Convert instance properties to class properties
  (Eduardo Habkost)
* simplify object_find_property / object_class_find_property
  (Daniel P. Berrangé)

Deprecated feature removal:
* Drop support for invalid topologies (Igor Mammedov)

# gpg: Signature made Tue 22 Sep 2020 23:25:01 BST
# gpg:                using RSA key 5A322FD5ABC4D3DBACCFD1AA2807936F984DC5A6
# gpg:                issuer "ehabkost@redhat.com"
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" [full]
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/machine-next-pull-request:
  sifive_u: Register "start-in-flash" as class property
  sifive_e: Register "revb" as class property
  i440fx: Register i440FX-pcihost properties as class properties
  machine: Register "memory-backend" as class property
  xlnx-zcu102: Register properties as class properties
  cpu/core: Register core-id and nr-threads as class properties
  s390x: Register all CPU properties as class properties
  cryptodev-backend: Register "chardev" as class property
  cryptodev-vhost-user: Register "chardev" as class property
  smp: drop support for deprecated (invalid topologies)
  qom: simplify object_find_property / object_class_find_property

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-09-24 15:28:26 +01:00
Philippe Mathieu-Daudé
420bd5660b timer: Fix timer_mod_anticipate() documentation
timer_mod_anticipate() will be scaled to the timer unit,
which is not always nanosecond. Fix the documentation.

Fixes: add40e9777 ("timer: add timer_mod_anticipate*")
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200920155042.400737-1-f4bug@amsat.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-09-23 19:13:01 +02:00
Stefan Hajnoczi
d73415a315 qemu/atomic.h: rename atomic_ to qatomic_
clang's C11 atomic_fetch_*() functions only take a C11 atomic type
pointer argument. QEMU uses direct types (int, etc) and this causes a
compiler error when a QEMU code calls these functions in a source file
that also included <stdatomic.h> via a system header file:

  $ CC=clang CXX=clang++ ./configure ... && make
  ../util/async.c:79:17: error: address argument to atomic operation must be a pointer to _Atomic type ('unsigned int *' invalid)

Avoid using atomic_*() names in QEMU's atomic.h since that namespace is
used by <stdatomic.h>. Prefix QEMU's APIs with 'q' so that atomic.h
and <stdatomic.h> can co-exist. I checked /usr/include on my machine and
searched GitHub for existing "qatomic_" users but there seem to be none.

This patch was generated using:

  $ git grep -h -o '\<atomic\(64\)\?_[a-z0-9_]\+' include/qemu/atomic.h | \
    sort -u >/tmp/changed_identifiers
  $ for identifier in $(</tmp/changed_identifiers); do
        sed -i "s%\<$identifier\>%q$identifier%g" \
            $(git grep -I -l "\<$identifier\>")
    done

I manually fixed line-wrap issues and misaligned rST tables.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200923105646.47864-1-stefanha@redhat.com>
2020-09-23 16:07:44 +01:00
Stefan Hajnoczi
7bd04a041a virtio-blk: undo destructive iov_discard_*() operations
Fuzzing discovered that virtqueue_unmap_sg() is being called on modified
req->in/out_sg iovecs. This means dma_memory_map() and
dma_memory_unmap() calls do not have matching memory addresses.

Fuzzing discovered that non-RAM addresses trigger a bug:

  void address_space_unmap(AddressSpace *as, void *buffer, hwaddr len,
                           bool is_write, hwaddr access_len)
  {
      if (buffer != bounce.buffer) {
          ^^^^^^^^^^^^^^^^^^^^^^^

A modified iov->iov_base is no longer recognized as a bounce buffer and
the wrong branch is taken.

There are more potential bugs: dirty memory is not tracked correctly and
MemoryRegion refcounts can be leaked.

Use the new iov_discard_undo() API to restore elem->in/out_sg before
virtqueue_push() is called.

Fixes: 827805a249 ("virtio-blk: Convert VirtIOBlockReq.out to structrue")
Reported-by: Alexander Bulekov <alxndr@bu.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Buglink: https://bugs.launchpad.net/qemu/+bug/1890360
Message-Id: <20200917094455.822379-3-stefanha@redhat.com>
2020-09-23 13:41:58 +01:00
Stefan Hajnoczi
9dd6f7c28e util/iov: add iov_discard_undo()
The iov_discard_front/back() operations are useful for parsing iovecs
but they modify the array elements. If the original array is needed
after parsing finishes there is currently no way to restore it.

Although g_memdup() can be used before performing destructive
iov_discard_front/back() operations, this is inefficient.

Introduce iov_discard_undo() to restore the array to the state prior to
an iov_discard_front/back() operation.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Message-Id: <20200917094455.822379-2-stefanha@redhat.com>
2020-09-23 13:41:58 +01:00
Gerd Hoffmann
f0c4555edf audio: remove qemu_spice_audio_init()
Handle the spice special case in audio_init instead.

With the qemu_spice_audio_init() symbol dependency being
gone we can build spiceaudio as module.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20200916084117.21828-2-kraxel@redhat.com
2020-09-23 08:36:50 +02:00
Daniel P. Berrangé
efba15959c qom: simplify object_find_property / object_class_find_property
When debugging QEMU it is often useful to put a breakpoint on the
error_setg_internal method impl.

Unfortunately the object_property_add / object_class_property_add
methods call object_property_find / object_class_property_find methods
to check if a property exists already before adding the new property.

As a result there are a huge number of calls to error_setg_internal
on startup of most QEMU commands, making it very painful to set a
breakpoint on this method.

Most callers of object_find_property and object_class_find_property,
however, pass in a NULL for the Error parameter. This simplifies the
methods to remove the Error parameter entirely, and then adds some
new wrapper methods that are able to raise an Error when needed.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200914135617.1493072-1-berrange@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-22 16:45:16 -04:00
Peter Maydell
0fc0142828 input: tsc2xxx fix.
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/kraxel/tags/input-20200921-pull-request' into staging

input: tsc2xxx fix.

# gpg: Signature made Mon 21 Sep 2020 12:09:17 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/input-20200921-pull-request:
  hw/input/tsc2xxx: Reduce MouseTransformInfo structure exposure

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-09-22 21:11:10 +01:00
Peter Maydell
4dad0a9aa8 QOM queue, 2020-09-18
Fixes:
 * Error value corrections (Markus Armbruster)
 * Correct object_class_dynamic_cast_assert() documentation (Eduardo Habkost)
 * Ensure objects using QEMU_ALIGNED are properly aligned (Richard Henderson)
 
 QOM cleanups (Eduardo Habkost):
 * Rename some constants
 * Simplify parameters of OBJECT_DECLARE* macros
 * Additional DECLARE_*CHECKER* usage
 * Additional OBJECT_DECLARE_TYPE usage
 * Additional OBJECT_DECLARE_SIMPLE_TYPE usage
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 =WDHr
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/ehabkost/tags/machine-next-pull-request' into staging

QOM queue, 2020-09-18

Fixes:
* Error value corrections (Markus Armbruster)
* Correct object_class_dynamic_cast_assert() documentation (Eduardo Habkost)
* Ensure objects using QEMU_ALIGNED are properly aligned (Richard Henderson)

QOM cleanups (Eduardo Habkost):
* Rename some constants
* Simplify parameters of OBJECT_DECLARE* macros
* Additional DECLARE_*CHECKER* usage
* Additional OBJECT_DECLARE_TYPE usage
* Additional OBJECT_DECLARE_SIMPLE_TYPE usage

# gpg: Signature made Fri 18 Sep 2020 21:45:29 BST
# gpg:                using RSA key 5A322FD5ABC4D3DBACCFD1AA2807936F984DC5A6
# gpg:                issuer "ehabkost@redhat.com"
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" [full]
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/machine-next-pull-request:
  Use OBJECT_DECLARE_SIMPLE_TYPE when possible
  Use OBJECT_DECLARE_TYPE when possible
  qom: Remove module_obj_name parameter from OBJECT_DECLARE* macros
  qom: Remove ParentClassType argument from OBJECT_DECLARE_SIMPLE_TYPE
  scripts/codeconverter: Update to latest version
  target/s390x: Set instance_align on S390CPU TypeInfo
  target/riscv: Set instance_align on RISCVCPU TypeInfo
  target/ppc: Set instance_align on PowerPCCPU TypeInfo
  target/arm: Set instance_align on CPUARM TypeInfo
  qom: Allow objects to be allocated with increased alignment
  qom: Correct error values in two contracts
  qom: Clean up object_property_get_enum()'s error value
  qom: Correct object_class_dynamic_cast_assert() documentation
  sifive: Use DECLARE_*CHECKER* macros
  sifive: Move QOM typedefs and add missing includes
  sifive_u: Rename memmap enum constants
  sifive_e: Rename memmap enum constants

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-09-21 18:55:39 +01:00
Philippe Mathieu-Daudé
38b01a997e hw/input/tsc2xxx: Reduce MouseTransformInfo structure exposure
Commit a5d7eb6534 ("Add TSC2301 touchscreen & keypad controller")
added the MouseTransformInfo declaration in "ui/console.h",
however it is only used in "hw/input/tsc2xxx.h".
Reduce the structure exposure by moving it to the single include
where it is used.

This should fix a build failure on OpenBSD:

  In file included from hw/arm/nseries.c:30:
  In file included from include/hw/arm/omap.h:24:
  In file included from include/hw/input/tsc2xxx.h:14:
  include/ui/console.h:11:11: fatal error: 'epoxy/gl.h' file not found
  # include <epoxy/gl.h>
            ^~~~~~~~~~~~
  1 error generated.
  gmake: *** [Makefile.ninja:1735:
  libqemu-aarch64-softmmu.fa.p/hw_arm_nseries.c.o] Error 1

Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200907010155.815131-1-f4bug@amsat.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2020-09-21 11:22:34 +02:00
Eduardo Habkost
8063396bf3 Use OBJECT_DECLARE_SIMPLE_TYPE when possible
This converts existing DECLARE_INSTANCE_CHECKER usage to
OBJECT_DECLARE_SIMPLE_TYPE when possible.

$ ./scripts/codeconverter/converter.py -i \
  --pattern=AddObjectDeclareSimpleType $(git grep -l '' -- '*.[ch]')

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Acked-by: Paul Durrant <paul@xen.org>
Message-Id: <20200916182519.415636-6-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-18 14:12:32 -04:00
Eduardo Habkost
a489d1951c Use OBJECT_DECLARE_TYPE when possible
This converts existing DECLARE_OBJ_CHECKERS usage to
OBJECT_DECLARE_TYPE when possible.

 $ ./scripts/codeconverter/converter.py -i \
   --pattern=AddObjectDeclareType $(git grep -l '' -- '*.[ch]')

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Acked-by: Paul Durrant <paul@xen.org>
Message-Id: <20200916182519.415636-5-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-18 14:12:32 -04:00
Eduardo Habkost
30b5707c26 qom: Remove module_obj_name parameter from OBJECT_DECLARE* macros
One of the goals of having less boilerplate on QOM declarations
is to avoid human error.  Requiring an extra argument that is
never used is an opportunity for mistakes.

Remove the unused argument from OBJECT_DECLARE_TYPE and
OBJECT_DECLARE_SIMPLE_TYPE.

Coccinelle patch used to convert all users of the macros:

  @@
  declarer name OBJECT_DECLARE_TYPE;
  identifier InstanceType, ClassType, lowercase, UPPERCASE;
  @@
   OBJECT_DECLARE_TYPE(InstanceType, ClassType,
  -                    lowercase,
                       UPPERCASE);

  @@
  declarer name OBJECT_DECLARE_SIMPLE_TYPE;
  identifier InstanceType, lowercase, UPPERCASE;
  @@
   OBJECT_DECLARE_SIMPLE_TYPE(InstanceType,
  -                    lowercase,
                       UPPERCASE);

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Acked-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Paul Durrant <paul@xen.org>
Acked-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20200916182519.415636-4-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-18 14:12:32 -04:00
Eduardo Habkost
c734cd40a1 qom: Remove ParentClassType argument from OBJECT_DECLARE_SIMPLE_TYPE
The requirement to specify the parent class type makes the macro
harder to use and easy to misuse (silent bugs can be introduced
if the wrong struct type is specified).

Simplify the macro by just not declaring any class struct,
allowing us to remove the class_size field from the TypeInfo
variables for those types.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200916182519.415636-3-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-18 14:12:32 -04:00
Richard Henderson
4c880f363e qom: Allow objects to be allocated with increased alignment
It turns out that some hosts have a default malloc alignment less
than that required for vectors.

We assume that, with compiler annotation on CPUArchState, that we
can properly align the vector portion of the guest state.  Fix the
alignment of the allocation by using qemu_memalloc when required.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200916004638.2444147-3-richard.henderson@linaro.org>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-18 13:59:51 -04:00
Philippe Mathieu-Daudé
bda90507a4 hw/i386/vmport: Drop superfluous parenthesis around function typedef
Drop superfluous parenthesis around VMPortReadFunc typedef
(added in d67f679d99, missed to remove when moved in e595112985).

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200505142836.16903-1-philmd@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-18 13:49:54 -04:00
Markus Armbruster
a21e660777 qom: Correct error values in two contracts
object_property_get_bool()'s contract claims it returns NULL on error.
Pasto; it returns false.

object_property_get_int()'s contract claims it returns "negative".  It
actually returns -1.  All the other object_property_get_FOO()
contracts specify the exact error value, so do the same here.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20200917125540.597786-3-armbru@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-18 13:49:48 -04:00
Markus Armbruster
d20f616e8f qom: Clean up object_property_get_enum()'s error value
object_property_get_enum() is the only object_property_FOO() that is
documented to return an undefined value on error.  It does no such
thing, actually: it returns 0 on some errors, and -1 on others.

Needlessly complicated.  Always return -1 on error, and adjust the
contract.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20200917125540.597786-2-armbru@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-18 13:49:48 -04:00
Eduardo Habkost
04dcf4b5db qom: Correct object_class_dynamic_cast_assert() documentation
object_class_dynamic_cast_assert() is not used by
INTERFACE_CHECK, remove misleading mention of that function in
the documentation.

Message-Id: <20200916193101.511600-2-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-18 13:49:48 -04:00
Eduardo Habkost
e38d3c5ce5 sifive: Use DECLARE_*CHECKER* macros
$ ./scripts/codeconverter/converter.py -i \
   --pattern=TypeCheckMacro $(git grep -l '' -- '*.[ch]')

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20200831210740.126168-12-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-18 13:49:48 -04:00
Eduardo Habkost
ac900edeed sifive: Move QOM typedefs and add missing includes
Some typedefs and macros are defined after the type check macros.
This makes it difficult to automatically replace their
definitions with OBJECT_DECLARE_TYPE.

Patch generated using:

 $ ./scripts/codeconverter/converter.py -i \
   --pattern=QOMStructTypedefSplit $(git grep -l '' -- '*.[ch]')

which will split "typdef struct { ... } TypedefName"
declarations.

Followed by:

 $ ./scripts/codeconverter/converter.py -i --pattern=MoveSymbols \
    $(git grep -l '' -- '*.[ch]')

which will:
- move the typedefs and #defines above the type check macros
- add missing #include "qom/object.h" lines if necessary

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20200831210740.126168-9-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-18 13:49:48 -04:00
Eduardo Habkost
13b8c35418 sifive_u: Rename memmap enum constants
Some of the enum constant names conflict with the QOM type check
macros (SIFIVE_U_OTP, SIFIVE_U_PRCI).  This needs to be addressed
to allow us to transform the QOM type check macros into functions
generated by OBJECT_DECLARE_TYPE().

Rename all the constants to SIFIVE_U_DEV_*, to avoid conflicts.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20200911173447.165713-3-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-18 13:49:48 -04:00
Eduardo Habkost
5488f2760a sifive_e: Rename memmap enum constants
Some of the enum constant names conflict with a QOM type check
macro (SIFIVE_E_PRCI).  This needs to be addressed to allow us to
transform the QOM type check macros into functions generated by
OBJECT_DECLARE_TYPE().

Rename all the constants to SIFIVE_E_DEV_*, to avoid conflicts.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20200911173447.165713-2-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-18 13:49:48 -04:00
Peter Maydell
a6a0c8394c microvm: add acpi support
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Merge remote-tracking branch 'remotes/kraxel/tags/microvm-20200917-pull-request' into staging

microvm: add acpi support

# gpg: Signature made Thu 17 Sep 2020 14:53:06 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/microvm-20200917-pull-request: (21 commits)
  microvm: enable ramfb
  tests/acpi: update expected data files for microvm
  tests/acpi: add microvm test
  tests/acpi: allow override blkdev
  tests/acpi: allow microvm test data updates.
  microvm: wire up hotplug
  x86: move cpu hotplug from pc to x86
  x86: move acpi_dev from pc/microvm
  x86: constify x86_machine_is_*_enabled
  microvm/acpi: disable virtio-mmio cmdline hack
  microvm/acpi: use seabios with acpi=on
  microvm/acpi: use GSI 16-23 for virtio
  microvm/acpi: add acpi_dsdt_add_virtio() for x86
  microvm/acpi: add minimal acpi support
  microvm: make virtio irq base runtime configurable
  acpi: move acpi_dsdt_add_power_button() to ged
  acpi: ged: add x86 device variant.
  acpi: ged: add control regs
  seabios: add bios-microvm.bin binary
  seabios: add microvm config, update build rules
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-09-17 20:40:59 +01:00