Change block layer to support both QemuOpts and QEMUOptionParameter.
After this patch, it will change backend drivers one by one. At the end,
QEMUOptionParameter will be removed and only QemuOpts is kept.
Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Chunyan Liu <cyliu@suse.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Those options were not enabled by default, even when the build
environment would have supported them, so the corresponding
code was not compiled in normal test builds like on build bots.
[Building quorum by default "broke" qemu-iotests ./check 081. It turns
out the 081.out master output was just bitrotted. Fix this by updating
the error message.
--Stefan]
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Qiao Nuohan <qiaonuohan@cn.fujitsu.com>
Reviewed-by: Benoit Canet <benoit@irqsave.net>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Currently, e1000 support is based on the manual for the 8254xx
model series. 82573x models are documented in a separate manual
(see http://www.intel.com/content/dam/www/public/us/en/documents/manuals/pcie-gbe-controllers-open-source-manual.pdf)
and the 82573L device ID no longer works correctly on either Linux
(3.14.*) or Windows 7.
This patch removes stale code claiming to support 82573L, cleaning
up the code base for the remaining 8254xx model series.
Signed-off-by: Gabriel Somlo <somlo@cmu.edu>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Update e1000-test.c to check all currently supported devices.
Suggested-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Gabriel Somlo <somlo@cmu.edu>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging
Block pull request
# gpg: Signature made Fri 06 Jun 2014 17:08:50 BST using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>"
* remotes/stefanha/tags/block-pull-request: (42 commits)
qapi: Extract qapi/block.json definitions
qapi: Extract qapi/block-core.json definitions
qapi: create two block related json modules
qapi: Extract qapi/common.json definitions
sheepdog: reload only header in a case of live snapshot
sheepdog: fix vdi object update after live snapshot
rbd: Fix leaks in rbd_start_aio() error path
qemu-img: Document check exit codes
block: fix wrong order in live block migration setup
blockdev: acquire AioContext in block_set_io_throttle
throttle: add detach/attach test case
throttle: add throttle_detach/attach_aio_context()
dataplane: Support VIRTIO_BLK_T_SCSI_CMD
virtio-blk: Factor out virtio_blk_handle_scsi_req from virtio_blk_handle_scsi
virtio-blk: Allow config-wce in dataplane
block: Move declaration of bdrv_get_aio_context to block.h
raw-posix: drop raw_get_aio_fd() since it is no longer used
dataplane: implement async flush
dataplane: delete IOQueue since it is no longer used
dataplane: use the QEMU block layer for I/O
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
new tests for SMBIOS
SMBIOS fixes
pc, pci fixes
qdev patches stayed on list for a month with no review,
as I told people on KVM forum I'm merging stuch patches
if they look fine.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pc,pci,virtio,qdev fixes, tests
new tests for SMBIOS
SMBIOS fixes
pc, pci fixes
qdev patches stayed on list for a month with no review,
as I told people on KVM forum I'm merging stuch patches
if they look fine.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* remotes/mst/tags/for_upstream:
qdev: Add test of qdev_prop_check_global
qdev: Display warning about unused -global
tests: add smbios testing
tests: rename acpi-test to bios-tables-test
virtio-balloon: return empty data when no stats are available
pcie_host: Turn pcie_host_init() into an instance_init
SMBIOS: Fix type 17 field sizes
SMBIOS: Update Type 0 struct generator for machines >= 2.1
SMBIOS: Fix endian-ness when populating multi-byte fields
serial-pci: Set prog interface field of pci config to 16550 compatible
Conflicts:
include/hw/i386/pc.h
[PMM: fixed trivial conflict in pc.h]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This will generate a warning from "make check":
...
GTESTER tests/test-qdev-global-props
Warning: "-global dynamic-prop-type-bad.prop3=103" not used
GTESTER tests/check-qom-interface
...
If the warning is not generated, the test will fail.
Signed-off-by: Don Slutz <dslutz@verizon.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Add a test case that checks the timer is really removed/added by the
detach/attach functions.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Benoit Canet <benoit@irqsave.net>
Block I/O throttling uses timers and currently always adds them to the
main loop. Throttling will break if bdrv_set_aio_context() is used to
move a BlockDriverState to a different AioContext.
This patch adds throttle_detach/attach_aio_context() interfaces so the
throttling timers and uses them to move timers to the new AioContext.
Note that bdrv_set_aio_context() already drains all requests so we're
sure no throttled requests are pending.
The test cases need to be updated since the throttle_init() interface
has changed.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Benoit Canet <benoit@irqsave.net>
* Attach usb devices to the bus.
* Check initial port status register state.
* Flip ehci initialization bit.
* Check port status register state again to
see whenever device handover to ehci worked.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Checks the output visitor behaviour for NULL values.
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
But don't test their properties, otherwise we will recurse forever.
Their properties are already tested when we encounter them as child<>
properties elsewhere in the hierarchy, like /machine/unattached/...
This would have caught the crash fixed by 92b3eead.
Signed-off-by: Cole Robinson <crobinso@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging
Block pull request
# gpg: Signature made Wed 28 May 2014 13:31:15 BST using RSA key ID 81AB73C8
# gpg: Can't check signature: public key not found
* remotes/stefanha/tags/block-pull-request: (33 commits)
block/sheepdog: Don't use qerror_report()
block/sheepdog: Fix silent sd_open(), sd_create() failures
block/sheepdog: Propagate errors to open and create methods
block/sheepdog: Propagate errors through find_vdi_name()
block/sheepdog: Propagate errors through do_sd_create()
block/sheepdog: Propagate errors through sd_prealloc()
block/sheepdog: Propagate errors through get_sheep_fd()
block/sheepdog: Propagate errors through connect_to_sdog()
block/vvfat: Propagate errors through init_directories()
block/vvfat: Propagate errors through enable_write_target()
block/ssh: Propagate errors to open and create methods
block/ssh: Propagate errors through connect_to_ssh()
block/ssh: Propagate errors through authenticate()
block/ssh: Propagate errors through check_host_key()
block/ssh: Drop superfluous libssh2_session_last_errno() calls
block/rbd: Propagate errors to open and create methods
qemu-nbd: Don't use qerror_report()
blockdev: Don't use qerror_report() in do_drive_del()
blockdev: Don't use qerror_report_err() in drive_init()
docs: Define refcount_bits value
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- fix cross-page jumps/calls at the end of TB;
- add tests for TBs and instructions crossing page boundary.
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Merge remote-tracking branch 'remotes/xtensa/tags/20140526-xtensa' into staging
Xtensa fixes queue 2014-05-26:
- fix cross-page jumps/calls at the end of TB;
- add tests for TBs and instructions crossing page boundary.
# gpg: Signature made Mon 26 May 2014 09:37:39 BST using RSA key ID F83FA044
# gpg: Can't check signature: public key not found
* remotes/xtensa/tags/20140526-xtensa:
target-xtensa: add tests for cross-page TB
target-xtensa: completely clean TLB between MMU tests
target-xtensa: fix cross-page jumps/calls at the end of TB
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Currently, test 089 uses $QEMU_IMG info manually in order to obtain the
according output. However, the iotests should generally use _img_info as
this filters out more irrelevant information such as the host image size
or format specific information. Therefore, test 089 should use _img_info
as well.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reported-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The current flow of canceling a thread from THREAD_ACTIVE state is:
1) Caller wants to cancel a request, so it calls thread_pool_cancel.
2) thread_pool_cancel waits on the conditional variable
elem->check_cancel.
3) The worker thread changes state to THREAD_DONE once the task is
done, and notifies elem->check_cancel to allow thread_pool_cancel
to continue execution, and signals the notifier (pool->notifier) to
allow callback function to be called later. But because of the
global mutex, the notifier won't get processed until step 4) and 5)
are done.
4) thread_pool_cancel continues, leaving the notifier signaled, it
just returns to caller.
5) Caller thinks the request is already canceled successfully, so it
releases any related data, such as freeing elem->common.opaque.
6) In the next main loop iteration, the notifier handler,
event_notifier_ready, is called. It finds the canceled thread in
THREAD_DONE state, so calls elem->common.cb, with an (likely)
dangling opaque pointer. This is a use-after-free.
Fix it by calling event_notifier_ready before leaving
thread_pool_cancel.
Test case update: This change will let cancel complete earlier than
test-thread-pool.c expects, so update the code to check this case: if
it's already done, done_cb sets .aiocb to NULL, skip calling
bdrv_aio_cancel on them.
Reported-by: Ulrich Obergfell <uobergfe@redhat.com>
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Cover basic aspects and API usage for QemuOpt. The current implementation
covers the API's planned to be changed by Chunyan Liu in his QEMUOptionParameter
replacement/cleanup job.
Other APIs should be covered in future improvements.
[Squashing in a small fix "QemuOpt: use qemu_find_opts_err() to avoid
output on stderr in tests".
qemu_find_opts() calls error_report() instead of propagating the Error
object. It is undesirable to clutter test case output with error
messages from a passing test.
Use qemu_find_opts_err() to avoid the output on stderr.
--Stefan]
Signed-off-by: Leandro Dorileo <l@dorileo.org>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
We should allow testing this on tmpfs. Any cache setting in iotests
should try to obey $CACHEMODE.
The cache mode is still "none" by default but overridable
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Add tests to find and verify the smbios entry point structure,
and to walk and perform checks on the actual smbios tables.
Suggested-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Gabriel Somlo <somlo@cmu.edu>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The test harness for acpi (generating a boot disk, starting qemu,
waiting for the BIOS to finish booting before examining guest
memory, etc.) is perfectly suited for testing other bios tables
beside acpi, such as e.g., smbios.
This patch renames acpi-test to bios-tables-test to reflect that,
and in preparation for adding smbios tests.
Signed-off-by: Gabriel Somlo <somlo@cmu.edu>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Make test cases independent from from each other. Eg. if a test case needs
a specific value in register A, don't rely on the fact that it is already
set by the preceding test case.
Signed-off-by: Michael Walle <michael@walle.cc>
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging
Block patches
# gpg: Signature made Mon 19 May 2014 15:21:14 BST using RSA key ID C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"
* remotes/kevin/tags/for-upstream: (22 commits)
block: optimize zero writes with bdrv_write_zeroes
blockdev: add a function to parse enum ids from strings
util: add qemu_iovec_is_zero
qcow1: Stricter backing file length check
qcow1: Validate image size (CVE-2014-0223)
qcow1: Validate L2 table size (CVE-2014-0222)
qcow1: Check maximum cluster size
qcow1: Make padding in the header explicit
curl: Add usage documentation
curl: Add sslverify option
curl: Remove broken parsing of options from url
curl: Fix build when curl_multi_socket_action isn't available
qemu-iotests: Fix blkdebug in VM drive in 030
qemu-iotests: Fix core dump suppression in test 039
iotests: Add test for the JSON protocol
block: Allow JSON filenames
check-qdict: Add test for qdict_join()
qdict: Add qdict_join()
block: add test for vhdx image created by Disk2VHD
block: vhdx - account for identical header sections
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
this patch tries to optimize zero write requests
by automatically using bdrv_write_zeroes if it is
supported by the format.
This significantly speeds up file system initialization and
should speed zero write test used to test backend storage
performance.
I ran the following 2 tests on my internal SSD with a
50G QCOW2 container and on an attached iSCSI storage.
a) mkfs.ext4 -E lazy_itable_init=0,lazy_journal_init=0 /dev/vdX
QCOW2 [off] [on] [unmap]
-----
runtime: 14secs 1.1secs 1.1secs
filesize: 937M 18M 18M
iSCSI [off] [on] [unmap]
----
runtime: 9.3s 0.9s 0.9s
b) dd if=/dev/zero of=/dev/vdX bs=1M oflag=direct
QCOW2 [off] [on] [unmap]
-----
runtime: 246secs 18secs 18secs
filesize: 51G 192K 192K
throughput: 203M/s 2.3G/s 2.3G/s
iSCSI* [off] [on] [unmap]
----
runtime: 8mins 45secs 33secs
throughput: 106M/s 1.2G/s 1.6G/s
allocated: 100% 100% 0%
* The storage was connected via an 1Gbit interface.
It seems to internally handle writing zeroes
via WRITESAME16 very fast.
Signed-off-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Like qcow2 since commit 6d33e8e7, error out on invalid lengths instead
of silently truncating them to 1023.
Also don't rely on bdrv_pread() catching integer overflows that make len
negative, but use unsigned variables in the first place.
Cc: qemu-stable@nongnu.org
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Benoit Canet <benoit@irqsave.net>
A huge image size could cause s->l1_size to overflow. Make sure that
images never require a L1 table larger than what fits in s->l1_size.
This cannot only cause unbounded allocations, but also the allocation of
a too small L1 table, resulting in out-of-bounds array accesses (both
reads and writes).
Cc: qemu-stable@nongnu.org
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Too large L2 table sizes cause unbounded allocations. Images actually
created by qemu-img only have 512 byte or 4k L2 tables.
To keep things consistent with cluster sizes, allow ranges between 512
bytes and 64k (in fact, down to 1 entry = 8 bytes is technically
working, but L2 table sizes smaller than a cluster don't make a lot of
sense).
This also means that the number of bytes on the virtual disk that are
described by the same L2 table is limited to at most 8k * 64k or 2^29,
preventively avoiding any integer overflows.
Cc: qemu-stable@nongnu.org
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Benoit Canet <benoit@irqsave.net>
Huge values for header.cluster_bits cause unbounded allocations (e.g.
for s->cluster_cache) and crash qemu this way. Less huge values may
survive those allocations, but can cause integer overflows later on.
The only cluster sizes that qemu can create are 4k (for standalone
images) and 512 (for images with backing files), so we can limit it
to 64k.
Cc: qemu-stable@nongnu.org
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Benoit Canet <benoit@irqsave.net>
The test test_stream_pause in this class uses vm.pause_drive, which
requires a blkdebug driver on top of image, otherwise it's no-op and the
test running is undeterministic.
So add it.
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
The shell script attempts to suppress core dumps like this:
old_ulimit=$(ulimit -c)
ulimit -c 0
$QEMU_IO arg...
ulimit -c "$old_ulimit"
This breaks the test hard unless the limit was zero to begin with!
ulimit sets both hard and soft limit by default, and (re-)raising the
hard limit requires privileges. Broken since it was added in commit
dc68afe.
Could be fixed by adding -S to set only the soft limit, but I'm not
sure how portable that is in practice. Simply do it in a subshell
instead, like this:
(ulimit -c 0; exec $QEMU_IO arg...)
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Add a test for the JSON protocol driver.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Add some test cases for qdict_join().
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Benoit Canet <benoit@irqsave.net>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This adds a test for VHDX images created by Microsoft's tool, Disk2VHD.
VHDX images created by this tool have 2 identical header sections, with
identical sequence numbers. This makes sure we detect VHDX images with
identical headers, and do not flag them as corrupt.
Signed-off-by: Jeff Cody <jcody@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
The purpose of this change is to help create a json file containing
common definitions; each bit of generated C code must be emitted
only one time.
A second history global to all QAPISchema instances has been added
to detect when a file is included more than one time and skip these
includes.
It does not act as a stack and the changes made to it by the
__init__ function are propagated back to the caller so it's really
a global state.
Signed-off-by: Benoit Canet <benoit@irqsave.net>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
We commonly use the error API like this:
err = NULL;
foo(..., &err);
if (err) {
goto out;
}
bar(..., &err);
Every error source is checked separately. The second function is only
called when the first one succeeds. Both functions are free to pass
their argument to error_set(). Because error_set() asserts no error
has been set, this effectively means they must not be called with an
error set.
The qapi-generated code uses the error API differently:
// *errp was initialized to NULL somewhere up the call chain
frob(..., errp);
gnat(..., errp);
Errors accumulate in *errp: first error wins, subsequent errors get
dropped. To make this work, the second function does nothing when
called with an error set. Requires non-null errp, or else the second
function can't see the first one fail.
This usage has also bled into visitor tests, and two device model
object property getters rtc_get_date() and balloon_stats_get_all().
With the "accumulate" technique, you need fewer error checks in
callers, and buy that with an error check in every callee. Can be
nice.
However, mixing the two techniques is confusing. You can't use the
"accumulate" technique with functions designed for the "check
separately" technique. You can use the "check separately" technique
with functions designed for the "accumulate" technique, but then
error_set() can't catch you setting an error more than once.
Standardize on the "check separately" technique for now, because it's
overwhelmingly prevalent.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
When visit_start_struct() fails, visit_end_struct() must not be
called. Three out of four visit_type_TestStruct() call it anyway. As
far as I can tell, visit_start_struct() doesn't actually fail there.
Fix them anyway.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Merge remote-tracking branch 'remotes/juanquintela/tags/migration/20140515' into staging
migration/next for 20140515
# gpg: Signature made Thu 15 May 2014 02:32:25 BST using RSA key ID 5872D723
# gpg: Can't check signature: public key not found
* remotes/juanquintela/tags/migration/20140515:
usb: fix up post load checks
migration: show average throughput when migration finishes
savevm: Remove all the unneeded version_minimum_id_old (rest)
savevm: Remove all the unneeded version_minimum_id_old (usb)
Split ram_save_block
arch_init: Simplify code for load_xbzrle()
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This reverts commit f915db07ef.
This commit is broken because it does not account for the
build tree and the source tree being different, and can cause
build failures for out-of-tree builds. Revert it until we can
identify a better solution to the problem.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1400153676-30180-1-git-send-email-peter.maydell@linaro.org
Acked-by: Kevin Wolf <kwolf@redhat.com>
After previous Peter patch, they are redundant. This way we don't
assign them except when needed. Once there, there were lots of case
where the ".fields" indentation was wrong:
.fields = (VMStateField []) {
and
.fields = (VMStateField []) {
Change all the combinations to:
.fields = (VMStateField[]){
The biggest problem (appart from aesthetics) was that checkpatch complained
when we copy&pasted the code from one place to another.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
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Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging
Block pull request
# gpg: Signature made Fri 09 May 2014 19:57:53 BST using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>"
* remotes/stefanha/tags/block-pull-request:
glib: fix g_poll early timeout on windows
block: qemu-iotests - test for live migration
block: qemu-iotests - update 085 to use common.qemu
block: qemu-iotests - add common.qemu, for bash-controlled qemu tests
block/raw-posix: Try both FIEMAP and SEEK_HOLE
gluster: Correctly propagate errors when volume isn't accessible
vl.c: remove init_clocks call from main
block: Fix open flags with BDRV_O_SNAPSHOT
qemu-iotests: Test converting to streamOptimized from small cluster size
vmdk: Implement .bdrv_get_info()
vmdk: Implement .bdrv_write_compressed
qemu-img: Convert by cluster size if target is compressed
block/iscsi: bump year in copyright notice
block/nfs: Check for NULL server part
qemu-img: sort block formats in help message
iotests: Use configured python
qcow2: Fix alloc_clusters_noref() overflow detection
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This is an initial, simple live migration test from one
running VM to another, using monitor commands.
This is also an example of using the new common.qemu functions
for controlling multiple running qemu instances, for tests that
need a live qemu vm.
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The new functionality of common.qemu implements the QEMU control
and communication functionality that was originally in test 085.
This removes that now-duplicate functionality, and uses the
common.qemu functions.
The QEMU commandline changes slightly due to this; in addition to
monitor and qmp i/o options, the new QEMU commandline from inside
common.qemu now introduces -machine accel=qtest.
Reviewed-by: Benoit Canet <benoit@irqsave.net>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This creates some common functions for bash language qemu-iotests
to control, and communicate with, a running QEMU process.
4 functions are introduced:
1. _launch_qemu()
This launches the QEMU process(es), and sets up the file
descriptors and fifos for communication. You can choose to
launch each QEMU process listening for either QMP or HMP
monitor. You can call this function multiple times, and
save the handle returned from each. The returned handle is
in $QEMU_HANDLE. You must copy this value.
Commands 2 and 3 use the handle received from _launch_qemu(), to talk
to the appropriate process.
2. _send_qemu_cmd()
Sends a command string, specified by $2, to QEMU. If $3 is
non-NULL, _send_qemu_cmd() will wait to receive $3 as a
required result string from QEMU. Failure to receive $3 will
cause the test to fail. The command can optionally be retried
$qemu_cmd_repeat number of times. Set $qemu_error_no_exit
to not force the test the fail on exit; in this case,
$QEMU_STATUS[$1] will be set to -1 on failure.
3. _timed_wait_for()
Waits for a response, for up to a default of 10 seconds. If
$2 is not seen in that time (anywhere in the response), then
the test fails. Primarily used by _send_qemu_cmd, but could
be useful standalone, as well. To prevent automatic exit
(and therefore test failure), set $qemu_error_no_exit to a
non-NULL value. If $silent is a non-NULL value, then output
to stdout will be suppressed.
4. _cleanup_qemu()
Kills the running QEMU processes, and removes the fifos.
Signed-off-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The immediately visible effect of this patch is that it fixes committing
a temporary snapshot to its backing file. Previously, it would fail with
a "permission denied" error because bdrv_inherited_flags() forced the
backing file to be read-only, ignoring the r/w reopen of bdrv_commit().
The bigger problem this revealed is that the original open flags must
actually only be applied to the temporary snapshot, and the original
image file must be treated as a backing file of the temporary snapshot
and get the right flags for that.
Reported-by: Jan Kiszka <jan.kiszka@web.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
visit_type_TestStruct() does nothing when called with an error set.
Callers shouldn't do that, and no caller does. Drop the superfluous
test.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
