Commit Graph

74079 Commits

Author SHA1 Message Date
Peter Maydell
cdbc5c51c8 target/xtensa improvements for v5.0:
- fix ps.ring use in MPU configs;
 - use MPU background map from the configuration overlay.
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Merge remote-tracking branch 'remotes/xtensa/tags/20200106-xtensa' into staging

target/xtensa improvements for v5.0:

- fix ps.ring use in MPU configs;
- use MPU background map from the configuration overlay.

# gpg: Signature made Mon 06 Jan 2020 20:00:33 GMT
# gpg:                using RSA key 2B67854B98E5327DCDEB17D851F9CC91F83FA044
# gpg:                issuer "jcmvbkbc@gmail.com"
# gpg: Good signature from "Max Filippov <filippov@cadence.com>" [unknown]
# gpg:                 aka "Max Filippov <max.filippov@cogentembedded.com>" [full]
# gpg:                 aka "Max Filippov <jcmvbkbc@gmail.com>" [full]
# Primary key fingerprint: 2B67 854B 98E5 327D CDEB  17D8 51F9 CC91 F83F A044

* remotes/xtensa/tags/20200106-xtensa:
  target/xtensa: use MPU background map from core configuration
  target/xtensa: import xtensa/config/core-isa.h
  target/xtensa: fix ps.ring use in MPU configs

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-07 10:31:07 +00:00
Peter Xu
0446f81217 vfio/pci: Don't remove irqchip notifier if not registered
The kvm irqchip notifier is only registered if the device supports
INTx, however it's unconditionally removed.  If the assigned device
does not support INTx, this will cause QEMU to crash when unplugging
the device from the system.  Change it to conditionally remove the
notifier only if the notify hook is setup.

CC: Eduardo Habkost <ehabkost@redhat.com>
CC: David Gibson <david@gibson.dropbear.id.au>
CC: Alex Williamson <alex.williamson@redhat.com>
Cc: qemu-stable@nongnu.org # v4.2
Reported-by: yanghliu@redhat.com
Debugged-by: Eduardo Habkost <ehabkost@redhat.com>
Fixes: c5478fea27 ("vfio/pci: Respond to KVM irqchip change notifier")
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1782678
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2020-01-06 14:19:42 -07:00
Max Filippov
a153a3f73d target/xtensa: use MPU background map from core configuration
Configuration overlay may define MPU background map. Import
core-matmap.h from the overlay and use XCHAL_MPU_BACKGROUND_MAP macro
if it's defined.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2020-01-06 11:46:16 -08:00
Max Filippov
ca3c979d6b target/xtensa: import xtensa/config/core-isa.h
Import core-isa.h from its canonical place in the configuration overlay.
Drop --xform option from the tar command line.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2020-01-06 11:46:16 -08:00
Max Filippov
6c438056c2 target/xtensa: fix ps.ring use in MPU configs
Allow ps.ring modification by wsr.ps/xsr.ps and use ps.ring value in
xtensa_get_[c]ring on configurations with MPU.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2020-01-06 11:46:16 -08:00
Peter Maydell
c4d1069c25 Add dbus-vmstate
Hi,
 
 With external processes or helpers participating to the VM support, it
 becomes necessary to handle their migration. Various options exist to
 transfer their state:
 1) as the VM memory, RAM or devices (we could say that's how
    vhost-user devices can be handled today, they are expected to
    restore from ring state)
 2) other "vmstate" (as with TPM emulator state blobs)
 3) left to be handled by management layer
 
 1) is not practical, since an external processes may legitimatelly
 need arbitrary state date to back a device or a service, or may not
 even have an associated device.
 
 2) needs ad-hoc code for each helper, but is simple and working
 
 3) is complicated for management layer, QEMU has the migration timing
 
 The proposed "dbus-vmstate" object will connect to a given D-Bus
 address, and save/load from org.qemu.VMState1 owners on migration.
 
 Thus helpers can easily have their state migrated with QEMU, without
 implementing ad-hoc support (such as done for TPM emulation)
 
 D-Bus is ubiquitous on Linux (it is systemd IPC), and can be made to
 work on various other OSes. There are several implementations and good
 bindings for various languages.  (the tests/dbus-vmstate-test.c is a
 good example of how simple the implementation of services can be, even
 in C)
 
 dbus-vmstate is put into use by the libvirt series "[PATCH 00/23] Use
 a slirp helper process".
 
 v2:
  - fix build with broken mingw-glib
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Merge remote-tracking branch 'remotes/elmarco/tags/dbus-vmstate7-pull-request' into staging

Add dbus-vmstate

Hi,

With external processes or helpers participating to the VM support, it
becomes necessary to handle their migration. Various options exist to
transfer their state:
1) as the VM memory, RAM or devices (we could say that's how
   vhost-user devices can be handled today, they are expected to
   restore from ring state)
2) other "vmstate" (as with TPM emulator state blobs)
3) left to be handled by management layer

1) is not practical, since an external processes may legitimatelly
need arbitrary state date to back a device or a service, or may not
even have an associated device.

2) needs ad-hoc code for each helper, but is simple and working

3) is complicated for management layer, QEMU has the migration timing

The proposed "dbus-vmstate" object will connect to a given D-Bus
address, and save/load from org.qemu.VMState1 owners on migration.

Thus helpers can easily have their state migrated with QEMU, without
implementing ad-hoc support (such as done for TPM emulation)

D-Bus is ubiquitous on Linux (it is systemd IPC), and can be made to
work on various other OSes. There are several implementations and good
bindings for various languages.  (the tests/dbus-vmstate-test.c is a
good example of how simple the implementation of services can be, even
in C)

dbus-vmstate is put into use by the libvirt series "[PATCH 00/23] Use
a slirp helper process".

v2:
 - fix build with broken mingw-glib

# gpg: Signature made Mon 06 Jan 2020 14:43:35 GMT
# gpg:                using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg:                issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* remotes/elmarco/tags/dbus-vmstate7-pull-request:
  tests: add dbus-vmstate-test
  tests: add migration-helpers unit
  dockerfiles: add dbus-daemon to some of latest distributions
  configure: add GDBUS_CODEGEN
  Add dbus-vmstate object
  util: add dbus helper unit
  docs: start a document to describe D-Bus usage
  vmstate: replace DeviceState with VMStateIf
  vmstate: add qom interface to get id

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-06 18:22:42 +00:00
Peter Maydell
f4d8cf148e Block patches:
- Minor fixes and tests from the freeze period (too minor to be included
   in 4.2)
 - Allow many bash iotests to test qcow2's external data file feature
 - Add compress filter driver
 - Fix Python iotests after 6f6e1698a6
 - Fix for the backup job
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/maxreitz/tags/pull-block-2020-01-06' into staging

Block patches:
- Minor fixes and tests from the freeze period (too minor to be included
  in 4.2)
- Allow many bash iotests to test qcow2's external data file feature
- Add compress filter driver
- Fix Python iotests after 6f6e1698a6
- Fix for the backup job

# gpg: Signature made Mon 06 Jan 2020 14:33:06 GMT
# gpg:                using RSA key 91BEB60A30DB3E8857D11829F407DB0061D5CF40
# gpg:                issuer "mreitz@redhat.com"
# gpg: Good signature from "Max Reitz <mreitz@redhat.com>" [full]
# Primary key fingerprint: 91BE B60A 30DB 3E88 57D1  1829 F407 DB00 61D5 CF40

* remotes/maxreitz/tags/pull-block-2020-01-06: (34 commits)
  backup-top: Begin drain earlier
  tests/qemu-iotests: Update tests to recent desugarized -accel option
  tests/qemu-iotests: add case to write compressed data of multiple clusters
  qcow2: Allow writing compressed data of multiple clusters
  block: introduce compress filter driver
  iotests: Allow check -o data_file
  iotests: Disable data_file where it cannot be used
  iotests: Make 198 work with data_file
  iotests: Make 137 work with data_file
  iotests: Make 110 work with data_file
  iotests: Make 091 work with data_file
  iotests: Avoid cp/mv of test images
  iotests: Use _rm_test_img for deleting test images
  iotests: Avoid qemu-img create
  iotests: Drop IMGOPTS use in 267
  iotests: Replace IMGOPTS='' by --no-opts
  iotests: Replace IMGOPTS= by -o
  iotests: Inject space into -ocompat=0.10 in 051
  iotests: Add -o and --no-opts to _make_test_img
  iotests: Let _make_test_img parse its parameters
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-06 17:44:22 +00:00
Liu Yi L
56fc1e6ac6 intel_iommu: add present bit check for pasid table entries
The present bit check for pasid entry (pe) and pasid directory
entry (pdire) were missed in previous commits as fpd bit check
doesn't require present bit as "Set". This patch adds the present
bit check for callers which wants to get a valid pe/pdire.

Cc: qemu-stable@nongnu.org
Cc: Kevin Tian <kevin.tian@intel.com>
Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Yi Sun <yi.y.sun@linux.intel.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Liu Yi L <yi.l.liu@intel.com>
Message-Id: <1578058086-4288-3-git-send-email-yi.l.liu@intel.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-01-06 12:04:51 -05:00
Liu Yi L
a2e1cd41cc intel_iommu: a fix to vtd_find_as_from_bus_num()
Ensure the return value of vtd_find_as_from_bus_num() is NULL by
enforcing vtd_bus=NULL. This would help caller of vtd_find_as_from_bus_num()
to decide if any further operation on the returned vtd_bus.

Cc: qemu-stable@nongnu.org
Cc: Kevin Tian <kevin.tian@intel.com>
Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Yi Sun <yi.y.sun@linux.intel.com>
Signed-off-by: Liu Yi L <yi.l.liu@intel.com>
Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com>
Message-Id: <1578058086-4288-2-git-send-email-yi.l.liu@intel.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-01-06 12:04:51 -05:00
Yuri Benditovich
d945d9f173 virtio-net: delete also control queue when TX/RX deleted
https://bugzilla.redhat.com/show_bug.cgi?id=1708480
If the control queue is not deleted together with TX/RX, it
later will be ignored in freeing cache resources and hot
unplug will not be completed.

Cc: qemu-stable@nongnu.org
Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com>
Message-Id: <20191226043649.14481-3-yuri.benditovich@daynix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-01-06 12:04:51 -05:00
Yuri Benditovich
421afd2fe8 virtio: reset region cache when on queue deletion
https://bugzilla.redhat.com/show_bug.cgi?id=1708480
Fix leak of region reference that prevents complete
device deletion on hot unplug.

Cc: qemu-stable@nongnu.org
Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com>
Message-Id: <20191226043649.14481-2-yuri.benditovich@daynix.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-01-06 12:04:51 -05:00
Denis Plotnikov
1049f4c62c virtio-mmio: update queue size on guest write
Some guests read back queue size after writing it.
Always update the on size write otherwise they might be confused.

Cc: qemu-stable@nongnu.org
Signed-off-by: Denis Plotnikov <dplotnikov@virtuozzo.com>
Message-Id: <20191224081446.17003-1-dplotnikov@virtuozzo.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-01-06 12:04:51 -05:00
Denis Plotnikov
cec0242ab4 tests: add virtio-scsi and virtio-blk seg_max_adjust test
It tests proper seg_max_adjust settings for all machine types except
'none', 'isapc', 'microvm'

Signed-off-by: Denis Plotnikov <dplotnikov@virtuozzo.com>
Message-Id: <20191220140905.1718-3-dplotnikov@virtuozzo.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-01-06 12:04:51 -05:00
Denis Plotnikov
1bf8a989a5 virtio: make seg_max virtqueue size dependent
Before the patch, seg_max parameter was immutable and hardcoded
to 126 (128 - 2) without respect to queue size. This has two negative effects:

1. when queue size is < 128, we have Virtio 1.1 specfication violation:
   (2.6.5.3.1 Driver Requirements) seq_max must be <= queue_size.
   This violation affects the old Linux guests (ver < 4.14). These guests
   crash on these queue_size setups.

2. when queue_size > 128, as was pointed out by Denis Lunev <den@virtuozzo.com>,
   seg_max restrics guest's block request length which affects guests'
   performance making them issues more block request than needed.
   https://lists.gnu.org/archive/html/qemu-devel/2017-12/msg03721.html

To mitigate this two effects, the patch adds the property adjusting seg_max
to queue size automaticaly. Since seg_max is a guest visible parameter,
the property is machine type managable and allows to choose between
old (seg_max = 126 always) and new (seg_max = queue_size - 2) behaviors.

Not to change the behavior of the older VMs, prevent setting the default
seg_max_adjust value for older machine types.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Denis Plotnikov <dplotnikov@virtuozzo.com>
Message-Id: <20191220140905.1718-2-dplotnikov@virtuozzo.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-01-06 12:04:43 -05:00
Peter Maydell
5d11217645 audio: bugfixes.
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Merge remote-tracking branch 'remotes/kraxel/tags/audio-20200106-pull-request' into staging

audio: bugfixes.

# gpg: Signature made Mon 06 Jan 2020 12:51:15 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-20200106-pull-request:
  audio: fix integer overflow
  paaudio: wait until the recording stream is ready
  paaudio: try to drain the recording stream
  paaudio: drop recording stream in qpa_fini_in
  hda-codec: fix recording rate control
  hda-codec: fix playback rate control

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-06 16:48:35 +00:00
Peter Maydell
81e6a7345a console: screendump improvements
Hi,
 
 The following patches have been extracted from the "[PATCH v6 00/25]
 monitor: add asynchronous command type", as they are
 reviewable/mergeable independantly.
 
 They introduce some internal API changes, and fix
 qemu_open()/qemu_close()/unlink() misusages which should be quite
 harmless.
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Merge remote-tracking branch 'remotes/elmarco/tags/screendump-pull-request' into staging

console: screendump improvements

Hi,

The following patches have been extracted from the "[PATCH v6 00/25]
monitor: add asynchronous command type", as they are
reviewable/mergeable independantly.

They introduce some internal API changes, and fix
qemu_open()/qemu_close()/unlink() misusages which should be quite
harmless.

# gpg: Signature made Fri 03 Jan 2020 09:07:51 GMT
# gpg:                using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg:                issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* remotes/elmarco/tags/screendump-pull-request:
  screendump: use qemu_unlink()
  osdep: add qemu_unlink()
  screendump: replace FILE with QIOChannel and fix close()/qemu_close()
  object: add g_autoptr support
  ui: add pixman image g_autoptr support
  ppm-save: pass opened fd
  console: add graphic_hw_update_done()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-06 14:51:51 +00:00
Marc-André Lureau
586ca6ba3c tests: add dbus-vmstate-test
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2020-01-06 18:41:32 +04:00
Marc-André Lureau
d77799ccda tests: add migration-helpers unit
Move a few helper functions from migration-test.c to migration-helpers.c

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2020-01-06 18:41:32 +04:00
Marc-André Lureau
1409c047c1 dockerfiles: add dbus-daemon to some of latest distributions
To get dbus-vmstate test covered.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2020-01-06 18:41:32 +04:00
Marc-André Lureau
25a97a5670 configure: add GDBUS_CODEGEN
gdbus-codegen generated code requires gio-unix on Unix, so add it to
GIO libs/cflags.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2020-01-06 18:41:32 +04:00
Marc-André Lureau
5010cec2bc Add dbus-vmstate object
When instantiated, this object will connect to the given D-Bus bus
"addr". During migration, it will take/restore the data from
org.qemu.VMState1 instances. See documentation for details.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2020-01-06 18:41:32 +04:00
Marc-André Lureau
a5021d6991 util: add dbus helper unit
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2020-01-06 18:41:32 +04:00
Marc-André Lureau
a566907f1b docs: start a document to describe D-Bus usage
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2020-01-06 18:41:32 +04:00
Marc-André Lureau
3cad405bab vmstate: replace DeviceState with VMStateIf
Replace DeviceState dependency with VMStateIf on vmstate API.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Acked-by: Halil Pasic <pasic@linux.ibm.com>
2020-01-06 18:41:32 +04:00
Marc-André Lureau
107b59698f vmstate: add qom interface to get id
Add an interface to get the instance id, instead of depending on
Device and qdev_get_dev_path().

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-01-06 18:41:32 +04:00
Peter Maydell
6fb0dae9ef x86 and machine queue, 2019-12-20
Bug fix:
 * Resolve CPU models to v1 by default (Eduardo Habkost)
 
 Cleanup:
 * Remove incorrect numa_mem_supported checks (Igor Mammedov)
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Merge remote-tracking branch 'remotes/ehabkost/tags/x86-and-machine-pull-request' into staging

x86 and machine queue, 2019-12-20

Bug fix:
* Resolve CPU models to v1 by default (Eduardo Habkost)

Cleanup:
* Remove incorrect numa_mem_supported checks (Igor Mammedov)

# gpg: Signature made Fri 20 Dec 2019 19:19:02 GMT
# 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/x86-and-machine-pull-request:
  numa: properly check if numa is supported
  numa: remove not needed check
  i386: Resolve CPU models to v1 by default

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-06 14:08:04 +00:00
Max Reitz
503ca1262b backup-top: Begin drain earlier
When dropping backup-top, we need to drain the node before freeing the
BlockCopyState.  Otherwise, requests may still be in flight and then the
assertion in shres_destroy() will fail.

(This becomes visible in intermittent failure of 056.)

Cc: qemu-stable@nongnu.org
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20191219182638.104621-1-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-01-06 14:26:23 +01:00
Philippe Mathieu-Daudé
75ab574b4c tests/qemu-iotests: Update tests to recent desugarized -accel option
Commit 6f6e1698a6 desugarized "-machine accel=" to a list
of "-accel" options. Since now "-machine accel" and "-accel"
became incompatible, update the iotests to the new format.

Error reported here:
https://gitlab.com/qemu-project/qemu/-/jobs/385801004#L3400

Reported-by: GitLab CI
Fixes: 6f6e1698a6 (vl: configure accelerators from -accel options)
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20200106130951.29873-1-philmd@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-01-06 14:14:41 +01:00
Andrey Shinkevich
19959445f5 tests/qemu-iotests: add case to write compressed data of multiple clusters
Add the case to the iotest #214 that checks possibility of writing
compressed data of more than one cluster size. The test case involves
the compress filter driver showing a sample usage of that.

Signed-off-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 1575288906-551879-4-git-send-email-andrey.shinkevich@virtuozzo.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-01-06 13:43:07 +01:00
Andrey Shinkevich
0d483dce38 qcow2: Allow writing compressed data of multiple clusters
QEMU currently supports writing compressed data of the size equal to
one cluster. This patch allows writing QCOW2 compressed data that
exceed one cluster. Now, we split buffered data into separate clusters
and write them compressed using the block/aio_task API.

Suggested-by: Pavel Butsykin <pbutsykin@virtuozzo.com>
Suggested-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 1575288906-551879-3-git-send-email-andrey.shinkevich@virtuozzo.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-01-06 13:43:07 +01:00
Andrey Shinkevich
f41388e0fb block: introduce compress filter driver
Allow writing all the data compressed through the filter driver.
The written data will be aligned by the cluster size.
Based on the QEMU current implementation, that data can be written to
unallocated clusters only. May be used for a backup job.

Suggested-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-id: 1575288906-551879-2-git-send-email-andrey.shinkevich@virtuozzo.com
[mreitz: Replace NULL bdrv_get_format_name() by "(no format)"]
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-01-06 13:43:07 +01:00
Max Reitz
1b35b85abb iotests: Allow check -o data_file
The problem with allowing the data_file option is that you want to use a
different data file per image used in the test.  Therefore, we need to
allow patterns like -o data_file='$TEST_IMG.data_file'.

Then, we need to filter it out from qemu-img map, qemu-img create, and
remove the data file in _rm_test_img.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-id: 20191107163708.833192-23-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-01-06 13:43:07 +01:00
Max Reitz
3be2024aef iotests: Disable data_file where it cannot be used
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20191107163708.833192-22-mreitz@redhat.com
[mreitz: Also disable 273]
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-01-06 13:43:07 +01:00
Max Reitz
39d2c7dc8f iotests: Make 198 work with data_file
We do not care about the json:{} filenames here, so we can just filter
them out and thus make the test work both with and without external data
files.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-id: 20191107163708.833192-21-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-01-06 13:43:07 +01:00
Max Reitz
e66566e6a7 iotests: Make 137 work with data_file
When using an external data file, there are no refcounts for data
clusters.  We thus have to adjust the corruption test in this patch to
not be based around a data cluster allocation, but the L2 table
allocation (L2 tables are still refcounted with external data files).

Furthermore, we should not print qcow2.py's list of incompatible
features because it differs depending on whether there is an external
data file or not.

With those two changes, the test will work both with and without
external data files (once that options works with the iotests at all).

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-id: 20191107163708.833192-20-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-01-06 13:43:07 +01:00
Max Reitz
d327a942aa iotests: Make 110 work with data_file
The only difference is that the json:{} filename of the image looks
different.  We actually do not care about that filename in this test, we
are only interested in (1) that there is a json:{} filename, and (2)
whether the backing filename can be constructed.

So just filter out the json:{} data, thus making this test pass both
with and without data_file.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-id: 20191107163708.833192-19-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-01-06 13:43:07 +01:00
Max Reitz
990f9bcc73 iotests: Make 091 work with data_file
The image end offset as reported by qemu-img check is different when
using an external data file; we do not care about its value here, so we
can just filter it.  Incidentally, common.rc already has _check_test_img
for us which does exactly that.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-id: 20191107163708.833192-18-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-01-06 13:43:07 +01:00
Max Reitz
d88bef1921 iotests: Avoid cp/mv of test images
This will not work with external data files, so try to get tests working
without it as far as possible.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-id: 20191107163708.833192-17-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-01-06 13:43:07 +01:00
Max Reitz
f91ecbd74e iotests: Use _rm_test_img for deleting test images
Just rm will not delete external data files.  Use _rm_test_img every
time we delete a test image.

(In the process, clean up the indentation of every _cleanup() this patch
touches.)

((Also, use quotes consistently.  I am happy to see unquoted instances
like "rm -rf $TEST_DIR/..." go.))

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-id: 20191107163708.833192-16-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-01-06 13:43:07 +01:00
Max Reitz
52a97b5a42 iotests: Avoid qemu-img create
Use _make_test_img whenever possible.  This way, we will not ignore
user-specified image options.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-id: 20191107163708.833192-15-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-01-06 13:43:07 +01:00
Max Reitz
ecb4c1d116 iotests: Drop IMGOPTS use in 267
Overwriting IMGOPTS means ignoring all user-supplied options, which is
not what we want.  Replace the current IMGOPTS use by a new BACKING_FILE
variable.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-id: 20191107163708.833192-14-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-01-06 13:43:07 +01:00
Max Reitz
10b612565c iotests: Replace IMGOPTS='' by --no-opts
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-id: 20191107163708.833192-13-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-01-06 13:43:07 +01:00
Max Reitz
407fb56a8e iotests: Replace IMGOPTS= by -o
Tests should not overwrite all user-supplied image options, but only add
to it (which will effectively overwrite conflicting values).  Accomplish
this by passing options to _make_test_img via -o instead of $IMGOPTS.

For some tests, there is no functional change because they already only
appended options to IMGOPTS.  For these, this patch is just a
simplification.

For others, this is a change, so they now heed user-specified $IMGOPTS.
Some of those tests do not work with all image options, though, so we
need to disable them accordingly.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-id: 20191107163708.833192-12-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-01-06 13:43:07 +01:00
Max Reitz
1c6d2f2128 iotests: Inject space into -ocompat=0.10 in 051
It did not matter before, but now that _make_test_img understands -o, we
should use it properly here.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-id: 20191107163708.833192-11-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-01-06 13:43:07 +01:00
Max Reitz
8b6d7be6a6 iotests: Add -o and --no-opts to _make_test_img
Blindly overriding IMGOPTS is suboptimal as this discards user-specified
options.  Whatever options the test needs should simply be appended.

Some tests do this (with IMGOPTS=$(_optstr_add "$IMGOPTS" "...")), but
that is cumbersome.  It’s simpler to just give _make_test_img an -o
parameter with which tests can add options.

Some tests actually must override the user-specified options, though,
for example when creating an image in a different format than the test
$IMGFMT.  For such cases, --no-opts allows clearing the current option
list.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-id: 20191107163708.833192-10-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-01-06 13:43:07 +01:00
Max Reitz
eea871d047 iotests: Let _make_test_img parse its parameters
This will allow us to add more options than just -b.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-id: 20191107163708.833192-9-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-01-06 13:43:07 +01:00
Max Reitz
8d1c81379c iotests: Drop compat=1.1 in 050
IMGOPTS can never be empty for qcow2, because the check scripts adds
compat=1.1 unless the user specified any compat option themselves.
Thus, this block does not do anything and can be dropped.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-id: 20191107163708.833192-8-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-01-06 13:43:07 +01:00
Max Reitz
b043b07ce3 iotests: Replace IMGOPTS by _unsupported_imgopts
Some tests require compat=1.1 and thus set IMGOPTS='compat=1.1'
globally.  That is not how it should be done; instead, they should
simply set _unsupported_imgopts to compat=0.10 (compat=1.1 is the
default anyway).

This makes the tests heed user-specified $IMGOPTS.  Some do not work
with all image options, though, so we need to disable them accordingly.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsky@redhat.com>
Message-id: 20191107163708.833192-7-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-01-06 13:43:07 +01:00
Max Reitz
7ab2a25890 iotests: Filter refcount_order in 036
This test can run just fine with other values for refcount_bits, so we
should filter the value from qcow2.py's dump-header.  In fact, we can
filter everything but the feature bits and header extensions, because
that is what the test is about.

(036 currently ignores user-specified image options, but that will be
fixed in the next patch.)

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-id: 20191107163708.833192-6-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-01-06 13:43:06 +01:00
Max Reitz
a75b7b5757 iotests: Add _filter_json_filename
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-id: 20191107163708.833192-5-mreitz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2020-01-06 13:43:06 +01:00