This is the regression test for the virtual size mismatch issue between
target and source images.
[ kwolf: Added test_unaligned_with_update ]
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
This retrieves the virtual size of the image out of qemu-img info.
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
The last sub-chunk is rounded up to the copy granularity in the target
image, resulting in a larger size than the source.
Add a function to clip the copied sectors to the end.
This undoes the "wrong" changes to tests/qemu-iotests/109.out in
e5b43573e2. The remaining two offset changes are okay.
[ kwolf: Use DIV_ROUND_UP to calculate nb_chunks now ]
Reported-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
When configure with --disable-guest-agent, make check will fail with:
ERROR:tests/test-qga.c:74:fixture_setup: assertion failed (error == NULL):
Failed to execute child process "/home/xx/qemu/qemu-ga" (No such file or
directory) (g-exec-error-quark, 8)
make: *** [check-tests/test-qga] Error 1
This check was commented out by bab47d9a75. I think that was by
mistake, because the commit message of that commit didn't mention
this change.
Signed-off-by: Yang Hongyang <hongyang.yang@easystack.cn>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Michael Roth <mdroth@linux.vnet.ibm.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Cc: qemu-stable@nongnu.org
Block nodes are now assigned names automatically, therefore the test
case is fragile in using fixed indices in result. Introduce a method in
iotests.py and do the matching more sensibly.
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-id: 1460518995-1338-1-git-send-email-famz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
Do not place the valgrind log file at a predictable path in a
world-writable location. Use the common scratch directory (${TEST_DIR})
instead.
Signed-off-by: Sascha Silbe <silbe@linux.vnet.ibm.com>
Reviewed-by: Bo Tu <tubo@linux.vnet.ibm.com>
Message-id: 1460472980-26319-5-git-send-email-silbe@linux.vnet.ibm.com
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
The previous commit removed the last usage of ${tmp} inside the tests
themselves; the only remaining users are sourced by check. So we can now
drop this variable from the tests.
Signed-off-by: Sascha Silbe <silbe@linux.vnet.ibm.com>
Reviewed-by: Bo Tu <tubo@linux.vnet.ibm.com>
Message-id: 1460472980-26319-4-git-send-email-silbe@linux.vnet.ibm.com
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
_do() was never used and possibly creates temporary files at
predictable, world-writable locations. Get rid of it.
Signed-off-by: Sascha Silbe <silbe@linux.vnet.ibm.com>
Reviewed-by: Bo Tu <tubo@linux.vnet.ibm.com>
Message-id: 1460472980-26319-3-git-send-email-silbe@linux.vnet.ibm.com
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
_within_tolerance() isn't used anymore and possibly creates temporary
files at predictable, world-writable locations. Get rid of it.
If it's needed again in the future it can be revived easily and fixed up
to use TEST_DIR and / or safely created temporary files.
Signed-off-by: Sascha Silbe <silbe@linux.vnet.ibm.com>
Reviewed-by: Bo Tu <tubo@linux.vnet.ibm.com>
Message-id: 1460472980-26319-2-git-send-email-silbe@linux.vnet.ibm.com
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Commit 57d6a428 broke blk_aio_write_zeroes() because in some write
functions in the call path don't have an explicit length argument but
reuse qiov->size instead. Which is great, except that write_zeroes
doesn't have a qiov, which this commit interprets as 0 bytes.
Consequently, blk_aio_write_zeroes() didn't effectively do anything.
This patch introduces an explicit acb->bytes in BlkAioEmAIOCB and uses
that instead of acb->rwco.size.
The synchronous version of the function is okay because it does pass a
qiov (with the right size and a NULL pointer as its base).
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
The __all__ list contained a typo for as long as the iotests module
existed. That typo prevented "from iotests import *" (which is the
only case where iotests.__all__ is used at all) from ever working.
The names used by iotests are highly prone to name collisions, so
importing them all unconditionally is a bad idea anyway. Since __all__
is not adding any value, let's just get rid of it.
Fixes: f345cfd0 ("qemu-iotests: add iotests Python module")
Signed-off-by: Sascha Silbe <silbe@linux.vnet.ibm.com>
Reviewed-by: Bo Tu <tubo@linux.vnet.ibm.com>
Message-id: 1459848109-29756-8-git-send-email-silbe@linux.vnet.ibm.com
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
None of the other test cases explicitly enable KVM and there's no
obvious reason for 068 to require it. Drop this so all test cases can be
executed in environments where KVM is not available (e.g. because the
user doesn't have sufficient permissions to access /dev/kvm).
Signed-off-by: Sascha Silbe <silbe@linux.vnet.ibm.com>
Reviewed-by: Bo Tu <tubo@linux.vnet.ibm.com>
Message-id: 1459848109-29756-6-git-send-email-silbe@linux.vnet.ibm.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
qemu-iotests test case 148 already had some code for skipping the test
if quorum support is missing, but it didn't work in all
cases. TestQuorumEvents.setUp() gets run before the actual test class
(which contains the skipping code) and tries to start qemu with a drive
using the quorum driver. For some reason this works fine when using
qcow2, but fails for raw.
As the entire test case requires quorum, just check for availability
before even starting the test suite. Introduce a verify_quorum()
function in iotests.py for this purpose so future test cases can make
use of it.
Signed-off-by: Sascha Silbe <silbe@linux.vnet.ibm.com>
Reviewed-by: Bo Tu <tubo@linux.vnet.ibm.com>
Message-id: 1459848109-29756-5-git-send-email-silbe@linux.vnet.ibm.com
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
On error, VM.launch() cleaned up the monitor unix socket, but left the
qtest unix socket behind. This caused the remaining sub-tests to fail
with EADDRINUSE:
+======================================================================
+ERROR: testQuorum (__main__.TestFifoQuorumEvents)
+----------------------------------------------------------------------
+Traceback (most recent call last):
+ File "148", line 63, in setUp
+ self.vm.launch()
+ File "/home6/silbe/qemu/tests/qemu-iotests/iotests.py", line 247, in launch
+ self._qmp.accept()
+ File "/home6/silbe/qemu/tests/qemu-iotests/../../scripts/qmp/qmp.py", line 141, in accept
+ return self.__negotiate_capabilities()
+ File "/home6/silbe/qemu/tests/qemu-iotests/../../scripts/qmp/qmp.py", line 57, in __negotiate_capabilities
+ raise QMPConnectError
+QMPConnectError
+
+======================================================================
+ERROR: testQuorum (__main__.TestQuorumEvents)
+----------------------------------------------------------------------
+Traceback (most recent call last):
+ File "148", line 63, in setUp
+ self.vm.launch()
+ File "/home6/silbe/qemu/tests/qemu-iotests/iotests.py", line 244, in launch
+ self._qtest = qtest.QEMUQtestProtocol(self._qtest_path, server=True)
+ File "/home6/silbe/qemu/tests/qemu-iotests/../../scripts/qtest.py", line 33, in __init__
+ self._sock.bind(self._address)
+ File "/usr/lib64/python2.7/socket.py", line 224, in meth
+ return getattr(self._sock,name)(*args)
+error: [Errno 98] Address already in use
Fix this by cleaning up both the monitor socket and the qtest socket iff
they exist.
Signed-off-by: Sascha Silbe <silbe@linux.vnet.ibm.com>
Reviewed-by: Bo Tu <tubo@linux.vnet.ibm.com>
Message-id: 1459848109-29756-4-git-send-email-silbe@linux.vnet.ibm.com
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Commit 61de4c68 [block: Remove BDRV_O_CACHE_WB] updated the reference
output for PCs, but neglected to do the same for the generic reference
output file. Fix 051 on all non-PC architectures by applying the same
change to the generic output file.
Fixes: 61de4c68 ("block: Remove BDRV_O_CACHE_WB")
Signed-off-by: Sascha Silbe <silbe@linux.vnet.ibm.com>
Reviewed-by: Bo Tu <tubo@linux.vnet.ibm.com>
Message-id: 1459848109-29756-3-git-send-email-silbe@linux.vnet.ibm.com
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Placing files with predictable or even hard-coded names in /tmp is a
security risk and can prevent or disturb operation on a multi-user
machine. Place them inside the "scratch" directory instead, as we
already do for most other test-related files.
Signed-off-by: Sascha Silbe <silbe@linux.vnet.ibm.com>
Reviewed-by: Bo Tu <tubo@linux.vnet.ibm.com>
Message-id: 1459848109-29756-2-git-send-email-silbe@linux.vnet.ibm.com
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
The actual on-disk size of a file does not only depend on factors qemu
can control. Thus, we should not depend on this to determine whether a
file has indeed been fully allocated. Instead, use qemu-img map and hope
that if an area is referenced, it is indeed allocated, too.
Also, limit the supported image formats to raw and qcow2 because the
actual qemu-img map output may depend on the image format.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Tested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This patch fixes longstanding issue with 026 iotest. Unfortunately,
this test contains 2 versions of the correct output, one for cached
writes and one for non-cached ones. People tends to fix only one
version of output of the test and thus noncached version becomes
broken. Unfortunately, it is default in tests/check-block.sh
The following problematic commits were made:
commit 3b5e14c76a
Author: Max Reitz <mreitz@redhat.com>
Date: Tue Dec 2 18:32:51 2014 +0100
qcow2: Flushing the caches in qcow2_close may fail
commit a069e2f137
Author: John Snow <jsnow@redhat.com>
Date: Fri Feb 6 16:26:17 2015 -0500
blkdebug: fix "once" rule
commit b106ad9185
Author: Kevin Wolf <kwolf@redhat.com>
Date: Fri Mar 28 18:06:31 2014 +0100
qcow2: Don't rely on free_cluster_index in alloc_refcount_block()
Signed-off-by: Pavel Butsykin <pbutsykin@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Max Reitz <mreitz@redhat.com>
CC: John Snow <jsnow@redhat.com>
CC: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Fixes all over the place. Most notably, fixes migration
for systems with pci express bridges, and random crashes
observed with virtio blk and scsi dataplane.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pci, virtio, acpi: fixes for 2.6
Fixes all over the place. Most notably, fixes migration
for systems with pci express bridges, and random crashes
observed with virtio blk and scsi dataplane.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Fri 08 Apr 2016 08:53:46 BST using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>"
* remotes/mst/tags/for_upstream:
hw/pci-bridge: Add missing unref in case register-bus fails
virtio: merge virtio_queue_aio_set_host_notifier_handler with virtio_queue_set_aio
virtio-scsi: use aio handler for data plane
virtio-blk: use aio handler for data plane
virtio: add aio handler
virtio-scsi: fix disabled mode
virtio-blk: fix disabled mode
virtio: make virtio_queue_notify_vq static
tests/bios-tables-test: fix assert
virtio-balloon: reset the statistic timer to load device
Migration: Add i82801b11 migration data
Sort the fw_cfg file list
xen: piix reuse pci generic class init function
pci-testdev: fast mmio support
acpi: Add missing GCC_FMT_ATTR
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Commit 3514552e added a new test, but did not mark it for
exclusion in .gitignore.
Signed-off-by: Changlong Xie <xiecl.fnst@cn.fujitsu.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1459903756-30672-1-git-send-email-xiecl.fnst@cn.fujitsu.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Newer iasl does not add the aml file name to the Definition Block.
See acpica tools commit 1ecbb3d5:
"Emit the AMLFilename as a zero-length string. Allows the compiler to create
the name later -- making it easier to rename the parent ASL (DSL) file."
That causes an assert in acpi tests:
tests/bios-tables-test.c:455:normalize_asl: assertion failed: (block_name)
Fix it by striping the start of the definition block line until the first comma.
The block name is always the first parameter and
the grammar does not allow comma in between, so it is safe.
Reported-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Entries are inserted in filename order instead of being
appended to the end in case sorting is enabled.
This will avoid any future issues of moving the file creation
around, it doesn't matter what order they are created now,
the will always be in filename order.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Added machine type handling for compatibility. This was
a fairly complex change, this will preserve the order of fw_cfg
for older versions no matter what order the firmware files
actually come in. A list is kept of the correct legacy order
and the entries will be inserted based upon their order in
the list. Except that some entries are ordered (in a specific
area of the list) based upon what order they appear on the
command line. Special handling is added for those entries.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Do the same as other scripts, to pick the correct interpreter between
python2 and python3 from the environment.
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-id: 1459504593-2692-1-git-send-email-famz@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
The pbkdf test is being built based on a check for CONFIG_NETTLE.
As of fff2f982ab, it should be
instead checking CONFIG_NETTLE_KDF
Reported-by: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Tested-by: Bruce Rogers <brogers@suse.com>
Tested-by: Ed Maste <emaste@freebsd.org>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
The FreeBSD header files define the AI_V4MAPPED but its
implementation of getaddrinfo() always returns an error
when that flag is set. eg
address resolution failed for localhost:9000: Invalid value for ai_flags
There are also reports of the same problem on OS-X 10.6
Since AI_V4MAPPED is not critical functionality, if we
get an EAI_BADFLAGS error then just retry without the
AI_V4MAPPED flag set. Use a static var to cache this
status so we don't have to retry on every single call.
Also remove its use from the test suite since it serves
no useful purpose there.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-Id: <1459786920-15961-1-git-send-email-berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Passing -S 0 to qemu-img convert should result in all source data being
copied to the output, even if that source data is known to be 0. The
output image should therefore have exactly the same size on disk as an
image which we explicitly filled with data.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
When passing -S 0 to qemu-img convert, the target image is supposed to
be fully allocated. Right now, this is not the case if the source image
contains areas which bdrv_get_block_status() reports as being zero.
This patch changes a zeroed area's status from BLK_ZERO to BLK_DATA
before invoking convert_write() if -S 0 has been specified. In addition,
the check whether convert_read() actually needs to do anything
(basically only if the current area is a BLK_DATA area) is pulled out of
that function to the caller.
If -S 0 has been specified, zeroed areas need to be written as data to
the output, thus they then have to be accounted when calculating the
progress made.
This patch changes the reference output for iotest 122; contrary to what
it assumed, -S 0 really should allocate everything in the output, not
just areas that are filled with zeros (as opposed to being zeroed).
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
The previous patches have successively made blk->enable_write_cache the
true source for the information whether a writethrough mode must be
implemented. The corresponding BDRV_O_CACHE_WB is only useless baggage
we're carrying around, so now's the time to remove it.
At the same time, we remove the 'cache.writeback' option parsing on the
BDS level as the only effect was setting the BDRV_O_CACHE_WB flag.
This change requires test cases that explicitly enabled the option to
drop it. Other than that and the change of the error message when
writethrough is enabled on the BDS level (from "Can't set writethrough
mode" to "doesn't support the option"), there should be no change in
behaviour.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
We must forbid changing the WCE flag in bdrv_reopen() in the same patch,
as otherwise the behaviour would change so that the flag takes
precedence over the explicitly specified option.
The correct value of the WCE flag depends on the BlockBackend user (e.g.
guest device) and isn't a decision that the QMP client makes, so this
change is what we want.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Now that WCE is handled on the BlockBackend level, the flag is
meaningless for BDSes. As the schema requires us to fill the field,
we return an enabled write cache for them.
Note that this means that querying the BlockBackend name may return
writethrough as the cache information, whereas querying the node-name of
the root of that same BlockBackend will return writeback.
This may appear odd at first, but it actually makes sense because it
correctly repesents the layer that implements the WCE handling. This
becomes more apparent when you consider nodes that are the root node of
multiple BlockBackends, where each BB can have its own WCE setting.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Whether a write cache is used or not is a decision that concerns the
user (e.g. the guest device) rather than the backend. It was already
logically part of the BB level as bdrv_move_feature_fields() always kept
it on top of the BDS tree; with this patch, the core of it (the actual
flag and the additional flushes) is also implemented there.
Direct callers of bdrv_open() must pass BDRV_O_CACHE_WB now if bs
doesn't have a BlockBackend attached.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
It is important that the QEMU luks implementation retains 100%
compatibility with the reference implementation provided by
the combination of the linux kernel dm-crypt module and cryptsetup
userspace tools.
There is a matrix of tests to be performed with different sets
of encryption settings. For each matrix entry, two tests will
be performed. One will create a LUKS image with the cryptsetup
tool and then do I/O with both cryptsetup & qemu-io. The other
will create the image with qemu-img and then again do I/O with
both cryptsetup and qemu-io.
The new I/O test 149 performs interoperability testing between
QEMU and the reference implementation. Such testing inherantly
requires elevated privileges, so to this this the user must have
configured passwordless sudo access. The test will automatically
skip if sudo is not available.
The test has to be run explicitly thus:
cd tests/qemu-iotests
./check -luks 149
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
For a couple of releases we have been warning
Encrypted images are deprecated
Support for them will be removed in a future release.
You can use 'qemu-img convert' to convert your image to an unencrypted one.
This warning was issued by system emulators, qemu-img, qemu-nbd
and qemu-io. Such a broad warning was issued because the original
intention was to rip out all the code for dealing with encryption
inside the QEMU block layer APIs.
The new block encryption framework used for the LUKS driver does
not rely on the unloved block layer API for encryption keys,
instead using the QOM 'secret' object type. It is thus no longer
appropriate to warn about encryption unconditionally.
When the qcow/qcow2 drivers are converted to use the new encryption
framework too, it will be practical to keep AES-CBC support present
for use in qemu-img, qemu-io & qemu-nbd to allow for interoperability
with older QEMU versions and liberation of data from existing encrypted
qcow2 files.
This change moves the warning out of the generic block code and
into the qcow/qcow2 drivers. Further, the warning is set to only
appear when running the system emulators, since qemu-img, qemu-io,
qemu-nbd are expected to support qcow2 encryption long term now that
the maint burden has been eliminated.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Add a 'log' method to iotests.py which prints messages to
stdout, with optional filtering of data. Port over some
standard filters already present in the shell common.filter
code to be usable in python too.
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
The iotests.py helper provides a main() method for running
tests via the python unit test framework. Not all tests
will want to use this, so refactor it to split the testing
of compatible formats and platforms into separate helper
methods
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
The python I/O tests helper for running qemu-img/qemu-io
setup stdout to be captured to a pipe, but left stderr
untouched. As a result, if something failed in qemu-img/
qemu-io, data written to stderr would get output directly
and not line up with data on the test stdout due to
buffering. If we explicitly redirect stderr to the same
pipe as stdout, things are much clearer when they go
wrong.
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Writethrough mode is going to become a BlockBackend feature rather than
a BDS one, so forbid it in places where we won't be able to support it
when the code finally matches the envisioned design.
We only allowed setting the cache mode of non-root nodes after the 2.5
release, so we're still free to make this change.
The target of block jobs is now always opened in a writeback mode
because it doesn't have a BlockBackend attached. This makes more sense
anyway because block jobs know when to flush. If the graph is modified
on job completion, the original cache mode moves to the new root, so
for the guest device writethough always stays enabled if it was
configured this way.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
First of all, we're generally not writing to backing files, but when we
do, it's in the context of block jobs which know very well when to flush
the image.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
In this unit test,we will test the filter redirector function.
Case 1, tx traffic flow:
qemu side | test side
|
+---------+ | +-------+
| backend <---------------+ sock0 |
+----+----+ | +-------+
| |
+----v----+ +-------+ |
| rd0 +->+chardev| |
+---------+ +---+---+ |
| |
+---------+ | |
| rd1 <------+ |
+----+----+ |
| |
+----v----+ | +-------+
| rd2 +--------------->sock1 |
+---------+ | +-------+
+
a. we(sock0) inject packet to qemu socket backend
b. backend pass packet to filter redirector0(rd0)
c. rd0 redirect packet to out_dev(chardev) which is connected with
filter redirector1's(rd1) in_dev
d. rd1 read this packet from in_dev, and pass to next filter redirector2(rd2)
e. rd2 redirect packet to rd2's out_dev which is connected with an opened socketed(sock1)
f. we read packet from sock1 and compare to what we inject
Start qemu with:
"-netdev socket,id=qtest-bn0,fd=%d "
"-device rtl8139,netdev=qtest-bn0,id=qtest-e0 "
"-chardev socket,id=redirector0,path=%s,server,nowait "
"-chardev socket,id=redirector1,path=%s,server,nowait "
"-chardev socket,id=redirector2,path=%s,nowait "
"-object filter-redirector,id=qtest-f0,netdev=qtest-bn0,"
"queue=tx,outdev=redirector0 "
"-object filter-redirector,id=qtest-f1,netdev=qtest-bn0,"
"queue=tx,indev=redirector2 "
"-object filter-redirector,id=qtest-f2,netdev=qtest-bn0,"
"queue=tx,outdev=redirector1 "
--------------------------------------
Case 2, rx traffic flow
qemu side | test side
|
+---------+ | +-------+
| backend +---------------> sock1 |
+----^----+ | +-------+
| |
+----+----+ +-------+ |
| rd0 +<-+chardev| |
+---------+ +---+---+ |
^ |
+---------+ | |
| rd1 +------+ |
+----^----+ |
| |
+----+----+ | +-------+
| rd2 <---------------+sock0 |
+---------+ | +-------+
a. we(sock0) insert packet to filter redirector2(rd2)
b. rd2 pass packet to filter redirector1(rd1)
c. rd1 redirect packet to out_dev(chardev) which is connected with
filter redirector0's(rd0) in_dev
d. rd0 read this packet from in_dev, and pass ti to qemu backend which is
connected with an opened socketed(sock1)
e. we read packet from sock1 and compare to what we inject
Start qemu with:
"-netdev socket,id=qtest-bn0,fd=%d "
"-device rtl8139,netdev=qtest-bn0,id=qtest-e0 "
"-chardev socket,id=redirector0,path=%s,server,nowait "
"-chardev socket,id=redirector1,path=%s,server,nowait "
"-chardev socket,id=redirector2,path=%s,nowait "
"-object filter-redirector,id=qtest-f0,netdev=qtest-bn0,"
"queue=rx,outdev=redirector0 "
"-object filter-redirector,id=qtest-f1,netdev=qtest-bn0,"
"queue=rx,indev=redirector2 "
"-object filter-redirector,id=qtest-f2,netdev=qtest-bn0,"
"queue=rx,outdev=redirector1 "
Signed-off-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com>
Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
In this unit test we will test the mirror function.
start qemu with:
-netdev socket,id=qtest-bn0,fd=sockfd
-device e1000,netdev=qtest-bn0,id=qtest-e0
-chardev socket,id=mirror0,path=/tmp/filter-mirror-test.sock,server,nowait
-object filter-mirror,id=qtest-f0,netdev=qtest-bn0,queue=tx,outdev=mirror0
We inject packet to netdev socket id = qtest-bn0,
filter-mirror will copy and mirror the packet to mirror0.
we read packet from mirror0 and then compare to what we injected.
Signed-off-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com>
Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This patch tests that in a partial block-stream operation, no data is
ever copied from the base image.
Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 5272a2aa57bc0b3f981f8b3e0c813e58a88c974b.1458566441.git.berto@igalia.com
Signed-off-by: Jeff Cody <jcody@redhat.com>
This test is streaming to the top layer using the intermediate image
as the base. This is a mistake since block-stream never copies data
from the base image and its backing chain, so this is effectively a
no-op.
In addition to fixing the base parameter, this patch also writes some
data to the intermediate image before the test, so there's something
to copy and the test is meaningful.
Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 2efa304da38b32d47c120ce728568a589c5a3afc.1458566441.git.berto@igalia.com
Signed-off-by: Jeff Cody <jcody@redhat.com>
* Chardev fix from Marc-André
* config.status tweak from David
* Header file tweaks from Markus, myself and Veronia (Outreachy candidate)
* get_ticks_per_sec() removal from Rutuja (Outreachy candidate)
* Coverity fix from myself
* PKE implementation from myself, based on rth's XSAVE support
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
* Log filtering from Alex and Peter
* Chardev fix from Marc-André
* config.status tweak from David
* Header file tweaks from Markus, myself and Veronia (Outreachy candidate)
* get_ticks_per_sec() removal from Rutuja (Outreachy candidate)
* Coverity fix from myself
* PKE implementation from myself, based on rth's XSAVE support
# gpg: Signature made Thu 24 Mar 2016 20:15:11 GMT using RSA key ID 78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>"
* remotes/bonzini/tags/for-upstream: (28 commits)
target-i386: implement PKE for TCG
config.status: Pass extra parameters
char: translate from QIOChannel error to errno
exec: fix error handling in file_ram_alloc
cputlb: modernise the debug support
qemu-log: support simple pid substitution for logs
target-arm: dfilter support for in_asm
qemu-log: dfilter-ise exec, out_asm, op and opt_op
qemu-log: new option -dfilter to limit output
qemu-log: Improve the "exec" TB execution logging
qemu-log: Avoid function call for disabled qemu_log_mask logging
qemu-log: correct help text for -d cpu
tcg: pass down TranslationBlock to tcg_code_gen
util: move declarations out of qemu-common.h
Replaced get_tick_per_sec() by NANOSECONDS_PER_SECOND
hw: explicitly include qemu-common.h and cpu.h
include/crypto: Include qapi-types.h or qemu/bswap.h instead of qemu-common.h
isa: Move DMA_transfer_handler from qemu-common.h to hw/isa/isa.h
Move ParallelIOArg from qemu-common.h to sysemu/char.h
Move QEMU_ALIGN_*() from qemu-common.h to qemu/osdep.h
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Conflicts:
scripts/clean-includes
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Merge remote-tracking branch 'remotes/armbru/tags/pull-ivshmem-2016-03-18' into staging
ivshmem: Fixes, cleanups, device model split
# gpg: Signature made Mon 21 Mar 2016 20:33:54 GMT using RSA key ID EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>"
* remotes/armbru/tags/pull-ivshmem-2016-03-18: (40 commits)
contrib/ivshmem-server: Print "not for production" warning
ivshmem: Require master to have ID zero
ivshmem: Drop ivshmem property x-memdev
ivshmem: Clean up after the previous commit
ivshmem: Split ivshmem-plain, ivshmem-doorbell off ivshmem
ivshmem: Replace int role_val by OnOffAuto master
qdev: New DEFINE_PROP_ON_OFF_AUTO
ivshmem: Inline check_shm_size() into its only caller
ivshmem: Simplify memory regions for BAR 2 (shared memory)
ivshmem: Implement shm=... with a memory backend
ivshmem: Tighten check of property "size"
ivshmem: Simplify how we cope with short reads from server
ivshmem: Drop the hackish test for UNIX domain chardev
ivshmem: Rely on server sending the ID right after the version
ivshmem: Propagate errors through ivshmem_recv_setup()
ivshmem: Receive shared memory synchronously in realize()
ivshmem: Plug leaks on unplug, fix peer disconnect
ivshmem: Disentangle ivshmem_read()
ivshmem: Simplify rejection of invalid peer ID from server
ivshmem: Assert interrupts are set up once
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
When debugging stuff that occurs over several forks it would be useful
not to keep overwriting the one logfile you've set-up. This allows a
simple %d to be included once in the logfile parameter which is
substituted with getpid().
As the test cases involve checking user output they need
g_test_trap_subprocess() support. As a result they are currently skipped
on Travis builds due to the older glib involved.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Leandro Dorileo <l@dorileo.org>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Message-Id: <1458052224-9316-10-git-send-email-alex.bennee@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
When debugging big programs or system emulation sometimes you want both
the verbosity of cpu,exec et all but don't want to generate lots of logs
for unneeded stuff. This patch adds a new option -dfilter which allows
you to specify interesting address ranges in the form:
-dfilter 0x8000..0x8fff,0xffffffc000080000+0x200,...
Then logging code can use the new qemu_log_in_addr_range() function to
decide if it will output logging information for the given range.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <1458052224-9316-7-git-send-email-alex.bennee@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
