Commit Graph

3287 Commits

Author SHA1 Message Date
Alberto Garcia 5a45da5ef8 qcow2: Add iotest for an image with header.refcount_table_offset == 0
This patch adds a simple iotest in which we try to write to an image
with the refcount table offset set to 0.

This scenario was already handled by the existing consistency checks,
but we add an explicit test case for completeness.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Message-id: feeceada92486bb8790b90f303fc9fe82a27391a.1509718618.git.berto@igalia.com
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2017-11-14 18:06:25 +01:00
Alberto Garcia 951053a9ec qcow2: Don't open images with header.refcount_table_clusters == 0
qcow2_do_open() is checking that header.refcount_table_clusters is not
too large, but it doesn't check that it's greater than zero. Apart
from the fact that an image like that is obviously corrupted, trying
to use it crashes QEMU since we end up with a null s->refcount_table
after qcow2_refcount_init().

These images can however be repaired, so allow opening them if the
BDRV_O_CHECK flag is set.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: f9750f50c80359babba11062e88f5075a47e8e16.1509718618.git.berto@igalia.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2017-11-14 18:06:25 +01:00
Alberto Garcia 8aa34834d5 qcow2: Prevent allocating compressed clusters at offset 0
If the refcount data is corrupted then we can end up trying to
allocate a new compressed cluster at offset 0 in the image, triggering
an assertion in qcow2_alloc_bytes() that would crash QEMU:

  qcow2_alloc_bytes: Assertion `offset' failed.

This patch adds an explicit check for this scenario and a new test
case.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Message-id: fb53467cf48e95ff3330def1cf1003a5b862b7d9.1509718618.git.berto@igalia.com
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2017-11-14 18:06:25 +01:00
Alberto Garcia 9883975050 qcow2: Prevent allocating L2 tables at offset 0
If the refcount data is corrupted then we can end up trying to
allocate a new L2 table at offset 0 in the image, triggering an
assertion in the qcow2 cache that would crash QEMU:

  qcow2_cache_entry_mark_dirty: Assertion `c->entries[i].offset != 0' failed

This patch adds an explicit check for this scenario and a new test
case.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 92dac37191ae7844a2da22c122204eb493cc3133.1509718618.git.berto@igalia.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2017-11-14 18:06:25 +01:00
Alberto Garcia 6bf45d59f9 qcow2: Prevent allocating refcount blocks at offset 0
Each entry in the qcow2 cache contains an offset field indicating the
location of the data in the qcow2 image. If the offset is 0 then it
means that the entry contains no data and is available to be used when
needed.

Because of that it is not possible to store in the cache the first
cluster of the qcow2 image (offset = 0). This is not a problem because
that cluster always contains the qcow2 header and we're not using this
cache for that.

However, if the qcow2 image is corrupted it can happen that we try to
allocate a new refcount block at offset 0, triggering this assertion
and crashing QEMU:

  qcow2_cache_entry_mark_dirty: Assertion `c->entries[i].offset != 0' failed

This patch adds an explicit check for this scenario and a new test
case.

This problem was originally reported here:

   https://bugs.launchpad.net/qemu/+bug/1728615

Reported-by: R.Nageswara Sastry <nasastry@in.ibm.com>
Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 92a2fadd10d58b423f269c1d1a309af161cdc73f.1509718618.git.berto@igalia.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2017-11-14 18:06:25 +01:00
Peter Maydell 191b5fbfa6 Pull request
The following disk I/O throttling fixes solve recent bugs.
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Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging

Pull request

The following disk I/O throttling fixes solve recent bugs.

# gpg: Signature made Tue 14 Nov 2017 10:37:12 GMT
# gpg:                using RSA key 0x9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>"
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* remotes/stefanha/tags/block-pull-request:
  qemu-iotests: Test I/O limits with removable media
  block: Leave valid throttle timers when removing a BDS from a backend
  block: Check for inserted BlockDriverState in blk_io_limits_disable()
  throttle-groups: drain before detaching ThrottleState
  block: all I/O should be completed before removing throttle timers.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-11-14 16:11:19 +00:00
Peter Maydell 02e5844db2 -----BEGIN PGP SIGNATURE-----
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Merge remote-tracking branch 'remotes/famz/tags/docker-pull-request' into staging

# gpg: Signature made Fri 10 Nov 2017 13:41:01 GMT
# gpg:                using RSA key 0xCA35624C6A9171C6
# gpg: Good signature from "Fam Zheng <famz@redhat.com>"
# Primary key fingerprint: 5003 7CB7 9706 0F76 F021  AD56 CA35 624C 6A91 71C6

* remotes/famz/tags/docker-pull-request:
  docker: correctly escape $BACKEND in the help output
  docker: Improved image checksum

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-11-13 23:24:46 +00:00
Alberto Garcia 0761562687 qemu-iotests: Test I/O limits with removable media
This test hotplugs a CD drive to a VM and checks that I/O limits can
be set only when the drive has media inserted and that they are kept
when the media is replaced.

This also tests the removal of a device with valid I/O limits set but
no media inserted. This involves deleting and disabling the limits
of a BlockBackend without BlockDriverState, a scenario that has been
crashing until the fixes from the last couple of patches.

[Python PEP8 fixup: "Don't use spaces are the = sign when used to
indicate a keyword argument or a default parameter value"
--Stefan]

Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 071eb397118ed207c5a7f01d58766e415ee18d6a.1510339534.git.berto@igalia.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-11-13 15:46:26 +00:00
Peter Maydell f291910db6 nbd patches for 2017-11-09
- Vladimir Sementsov-Ogievskiy: nbd/server: fix nbd_negotiate_handle_info
 - Eric Blake: 0/7 various NBD fixes for 2.11
 -----BEGIN PGP SIGNATURE-----
 Comment: Public key at http://people.redhat.com/eblake/eblake.gpg
 
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Merge remote-tracking branch 'remotes/ericb/tags/pull-nbd-2017-11-09' into staging

nbd patches for 2017-11-09

- Vladimir Sementsov-Ogievskiy: nbd/server: fix nbd_negotiate_handle_info
- Eric Blake: 0/7 various NBD fixes for 2.11

# gpg: Signature made Thu 09 Nov 2017 16:56:58 GMT
# gpg:                using RSA key 0xA7A16B4A2527436A
# gpg: Good signature from "Eric Blake <eblake@redhat.com>"
# gpg:                 aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>"
# gpg:                 aka "[jpeg image of size 6874]"
# Primary key fingerprint: 71C2 CC22 B1C4 6029 27D2  F3AA A7A1 6B4A 2527 436A

* remotes/ericb/tags/pull-nbd-2017-11-09:
  nbd/server: Fix structured read of length 0
  nbd-client: Stricter enforcing of structured reply spec
  nbd-client: Short-circuit 0-length operations
  nbd: Fix struct name for structured reads
  nbd/client: Nicer trace of structured reply
  nbd-client: Refuse read-only client with BDRV_O_RDWR
  nbd-client: Fix error message typos
  nbd/server: fix nbd_negotiate_handle_info

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-11-13 13:13:12 +00:00
Peter Maydell 53fb28d10d Pull request
v2:
  * v1 emails 2/3 and 3/3 weren't sent due to an email failure
  * Included Sergio's updated wording in the commit description
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Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging

Pull request

v2:
 * v1 emails 2/3 and 3/3 weren't sent due to an email failure
 * Included Sergio's updated wording in the commit description

# gpg: Signature made Wed 08 Nov 2017 19:12:01 GMT
# gpg:                using RSA key 0x9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>"
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* remotes/stefanha/tags/block-pull-request:
  util/async: use atomic_mb_set in qemu_bh_cancel
  tests-aio-multithread: fix /aio/multi/schedule race condition

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-11-10 17:25:15 +00:00
Eric Blake 1104d83c72 nbd-client: Refuse read-only client with BDRV_O_RDWR
The NBD spec says that clients should not try to write/trim to
an export advertised as read-only by the server.  But we failed
to check that, and would allow the block layer to use NBD with
BDRV_O_RDWR even when the server is read-only, which meant we
were depending on the server sending a proper EPERM failure for
various commands, and also exposes a leaky abstraction: using
qemu-io in read-write mode would succeed on 'w -z 0 0' because
of local short-circuiting logic, but 'w 0 0' would send a
request over the wire (where it then depends on the server, and
fails at least for qemu-nbd but might pass for other NBD
implementations).

With this patch, a client MUST request read-only mode to access
a server that is doing a read-only export, or else it will get
a message like:

can't open device nbd://localhost:10809/foo: request for write access conflicts with read-only export

It is no longer possible to even attempt writes over the wire
(including the corner case of 0-length writes), because the block
layer enforces the explicit read-only request; this matches the
behavior of qcow2 when backed by a read-only POSIX file.

Fix several iotests to comply with the new behavior (since
qemu-nbd of an internal snapshot, as well as nbd-server-add over QMP,
default to a read-only export, we must tell blockdev-add/qemu-io to
set up a read-only client).

CC: qemu-stable@nongnu.org
Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20171108215703.9295-3-eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
2017-11-09 10:10:17 -06:00
Thomas Huth b417a7624c tests: Run the luks tests in test-crypto-block only if encryption is available
The test-crypto-block currently fails if encryption has not been
compiled into QEMU:

TEST: tests/test-crypto-block... (pid=22231)
  /crypto/block/qcow:                                                  OK
  /crypto/block/luks/default:
  Unexpected error in qcrypto_pbkdf2() at qemu/crypto/pbkdf-stub.c:41:
FAIL
GTester: last random seed: R02Sbbb5b6f299c6727f41bb50ba4aa6ef5c
(pid=22237)
  /crypto/block/luks/aes-256-cbc-plain64:
  Unexpected error in qcrypto_pbkdf2() at qemu/crypto/pbkdf-stub.c:41:
FAIL
GTester: last random seed: R02S3e27992a5ab4cc95e141c4ed3c7f0d2e
(pid=22239)
  /crypto/block/luks/aes-256-cbc-essiv:
  Unexpected error in qcrypto_pbkdf2() at qemu/crypto/pbkdf-stub.c:41:
FAIL
GTester: last random seed: R02S51b52bb02a66c42d8b331fd305384f53
(pid=22241)
FAIL: tests/test-crypto-block

So run the luks test only if the required encryption support is available.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2017-11-08 11:03:46 +00:00
Stefan Hajnoczi fb0c43f34e tests-aio-multithread: fix /aio/multi/schedule race condition
test_multi_co_schedule_entry() set to_schedule[id] in the final loop
iteration before terminating the coroutine.  There is a race condition
where the main thread attempts to enter the terminating or terminated
coroutine when signalling coroutines to stop:

  atomic_mb_set(&now_stopping, true);
  for (i = 0; i < NUM_CONTEXTS; i++) {
      ctx_run(i, finish_cb, NULL);  <--- enters dead coroutine!
      to_schedule[i] = NULL;
  }

Make sure only to set to_schedule[id] if this coroutine really needs to
be scheduled!

Reported-by: "R.Nageswara Sastry" <nasastry@in.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20171106190233.1175-1-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-11-08 09:22:55 +00:00
Philippe Mathieu-Daudé 6423795efc docker: correctly escape $BACKEND in the help output
In Makefiles the $ must be escaped as $$ in shell uses.

Since 8a2390a4f47:

 $ make docker
     [...]
     NETWORK=1            Enable virtual network interface with default backend.
     NETWORK=ACKEND     Enable virtual network interface with ACKEND.

Once escaped:

 $ make docker
     [...]
     NETWORK=1            Enable virtual network interface with default backend.
     NETWORK=$BACKEND     Enable virtual network interface with $BACKEND.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-Id: <20171108024719.8389-1-f4bug@amsat.org>
Signed-off-by: Fam Zheng <famz@redhat.com>
2017-11-08 10:59:42 +08:00
Fam Zheng c1958e9d54 docker: Improved image checksum
When a base image locally defined by QEMU, such as in the debian images,
is updated, the dockerfile checksum mechanism in docker.py still skips
updating the derived image, because it only looks at the literal content
of the dockerfile, without considering changes to the base image.

For example we have a recent fix e58c1f9b35 that fixed
debian-win64-cross by updating its base image, debian8-mxe, but due to
above "feature" of docker.py the image in question is automatically NOT
rebuilt unless you add NOCACHE=1. It is noticed on Shippable:

https://app.shippable.com/github/qemu/qemu/runs/541/2/console

because after the fix is merged, the error still occurs, and the log
shows the container image is, as explained above, not updated.

This is because at the time docker.py was written, there wasn't any
dependencies between QEMU's docker images.

Now improve this to preprocess any "FROM qemu:*" directives in the
dockerfiles while doing checksum, and inline the base image's dockerfile
content, recursively. This ensures any changes on the depended _QEMU_
images are taken into account.

This means for external images that we expect to retrieve from docker
registries, we still do it as before. It is not perfect, because
registry images can get updated too. Technically we could substitute the
image name with its hex ID as obtained with $(docker images $IMAGE
--format="{{.Id}}"), but --format is not supported by RHEL 7, so leave
it for now.

Reported-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20171103131229.4737-1-famz@redhat.com>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Fam Zheng <famz@redhat.com>
2017-11-08 10:59:21 +08:00
Peter Maydell b33afc4156 One fix for win32/64 cross compiles.
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Merge remote-tracking branch 'remotes/stsquad/tags/pull-ci-updates-for-softfreeze-021117-2' into staging

One fix for win32/64 cross compiles.

# gpg: Signature made Thu 02 Nov 2017 11:55:46 GMT
# gpg:                using RSA key 0xFBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>"
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* remotes/stsquad/tags/pull-ci-updates-for-softfreeze-021117-2:
  docker: add python stdlib dependency (required by keycodemapdb)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-11-03 10:08:34 +00:00
Philippe Mathieu-Daudé e58c1f9b35 docker: add python stdlib dependency (required by keycodemapdb)
Since 927128222b QEMU depends of keycodemapdb, which uses the python 'csv'
module from stdlib to parse keymaps.csv.

Without this package the build fails:

    GEN     ui/input-keymap-linux-to-qcode.c
  Traceback (most recent call last):
    File "ui/keycodemapdb/tools/keymap-gen", line 15, in <module>
      import csv
  ImportError: No module named csv
    GEN     ui/input-keymap-qcode-to-qnum.c
  Traceback (most recent call last):
    File "ui/keycodemapdb/tools/keymap-gen", line 15, in <module>
      import csv
  ImportError: No module named csv
  [...]
    CC      ui/input-keymap.o
  ui/input-keymap.c:8:44: fatal error: ui/input-keymap-linux-to-qcode.c: No such file or directory
  make: *** [ui/input-keymap.o] Error 1

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2017-11-02 11:46:41 +00:00
Vladimir Sementsov-Ogievskiy f140e30003 nbd: Minimal structured read for client
Minimal implementation: for structured error only error_report error
message.

Note that test 83 is now more verbose, because the implementation
prints more warnings about unexpected communication errors; perhaps
future patches should tone things down by using trace messages
instead of traces, but the common case of successful communication
is no noisier than before.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20171027104037.8319-13-eblake@redhat.com>
2017-10-30 21:48:41 +01:00
Juan Quintela 56b4a42a2e tests: check that migration parameters are really assigned
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-10-29 14:06:16 +01:00
Juan Quintela 863e27a8fc tests: Don't abuse global_qtest
As we have two guests running, just pass always who we want to send a
message to.  Once there, refactor return_or_event() into wait_command.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-10-29 14:06:16 +01:00
Juan Quintela 7195a87130 tests: Factorize out migrate_test_start/end
We fix global_test users left and right

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-10-29 14:06:16 +01:00
Juan Quintela d62fbe6039 tests: Refactor setting of parameters/capabilities
So we can use them in future tests

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-10-29 14:06:16 +01:00
Juan Quintela 2656bfd973 tests: rename postcopy-test to migration-test
Instead of repeating the code, we are going to bo more tests on this file

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2017-10-29 14:06:16 +01:00
Max Reitz 4c112a397c iotests: Add cluster_size=64k to 125
Apparently it would be a good idea to test that, too.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20171009215533.12530-4-mreitz@redhat.com
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2017-10-26 15:01:14 +02:00
Max Reitz b66df843b4 iotests: Filter actual image size in 184 and 191
Whenever the actual image size is not part of the test, it should be
filtered as it depends on the host filesystem.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20171009163456.485-3-mreitz@redhat.com
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2017-10-26 15:01:13 +02:00
Max Reitz 44673a0b59 iotests: Pull _filter_actual_image_size from 67/87
Tests 067 and 087 filter the actual image size because it depends on the
host filesystem (and is not part of the respective test).  Since this is
generally true, we should have a common filter function for this, so
let's pull out the sed line from both tests into such a function.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20171009163456.485-2-mreitz@redhat.com
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2017-10-26 15:01:13 +02:00
Max Reitz f700ceae8a iotests: Add test for dataplane mirroring
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20170929170843.3711-1-mreitz@redhat.com
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2017-10-26 15:01:13 +02:00
Eric Blake f0a9c18f9e qemu-io: Relax 'alloc' now that block-status doesn't assert
Previously, the alloc command required that input parameters be
sector-aligned and clamped to 32 bits, because the underlying
bdrv_is_allocated used a 32-bit parameter and asserted aligned
inputs.  But now that we have fixed block status to report a
64-bit bytes value, and to properly round requests on behalf of
guests, we can pass any values, and can use qemu-io to add
coverage that our rounding is correct regardless of the guest
alignment constraints.

Update iotest 177 to intentionally probe block status at
unaligned boundaries as well as with a bytes value that does not
map to 32-bit sectors, which also required tweaking the image
prep to leave an unallocated portion to the image under test.

Signed-off-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2017-10-26 14:45:57 +02:00
Eric Blake 0608e40e8e qemu-img: Drop redundant error message in compare
If a read error is encountered during 'qemu-img compare', we
were printing the "Error while reading offset ..." message twice;
this was because our helper function was awkward, printing output
on some but not all paths.  Fix it to consistently report errors
on all paths, so that the callers do not risk a redundant message,
and update the testsuite for the improved output.

Further simplify the code by hoisting the conversion from an error
message to an exit code into the helper function, rather than
repeating that logic at all callers (yes, the helper function is
now less generic, but it's a net win in lines of code).

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2017-10-26 14:45:57 +02:00
Kevin Wolf 760c4d43ae qemu-iotests: Test backing_fmt with backing node reference
This changes test case 191 to include a backing image that has
backing_fmt set in the image file, but is referenced by node name in the
qemu command line.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2017-10-26 14:45:57 +02:00
Emilio G. Cota 4e2ca83e71 tcg: define CF_PARALLEL and use it for TB hashing along with CF_COUNT_MASK
This will enable us to decouple code translation from the value
of parallel_cpus at any given time. It will also help us minimize
TB flushes when generating code via EXCP_ATOMIC.

Note that the declaration of parallel_cpus is brought to exec-all.h
to be able to define there the "curr_cflags" inline.

Signed-off-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2017-10-24 13:53:41 -07:00
Peter Maydell 718757eca9 The last big chunk of s390x changes:
- (experimental) smp support under tcg
 - provide the virtio-input devices for virtio-ccw
 - improve error handling in the css code
 - enable some simple virtio tests for s390x
 - low-address protection in tcg
 - some more cleanups and fixes
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Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20171020' into staging

The last big chunk of s390x changes:
- (experimental) smp support under tcg
- provide the virtio-input devices for virtio-ccw
- improve error handling in the css code
- enable some simple virtio tests for s390x
- low-address protection in tcg
- some more cleanups and fixes

# gpg: Signature made Fri 20 Oct 2017 12:49:22 BST
# gpg:                using RSA key 0xDECF6B93C6F02FAF
# gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>"
# gpg:                 aka "Cornelia Huck <huckc@linux.vnet.ibm.com>"
# gpg:                 aka "Cornelia Huck <cornelia.huck@de.ibm.com>"
# gpg:                 aka "Cornelia Huck <cohuck@kernel.org>"
# gpg:                 aka "Cornelia Huck <cohuck@redhat.com>"
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0  18CE DECF 6B93 C6F0 2FAF

* remotes/cohuck/tags/s390x-20171020: (46 commits)
  s390x/tcg: low-address protection support
  accel/tcg: allow to invalidate a write TLB entry immediately
  tests: Enable the very simple virtio tests on s390x, too
  libqtest: Add qtest_[v]startf()
  s390x: refactor error handling for MSCH handler
  s390x: refactor error handling for HSCH handler
  s390x: refactor error handling for CSCH handler
  s390x: refactor error handling for XSCH handler
  s390x: improve error handling for SSCH and RSCH
  s390x/css: IO instr handler ending control
  s390x: move s390x_new_cpu() into board code
  s390x: fix cpu object referrence leak in s390x_new_cpu()
  s390x/event-facility: variable-length event masks
  s390x/MAINTAINERS: add mailing list
  virtio-ccw: Add the virtio-input devices for CCW bus
  target/s390x: special handling when starting a CPU with WAIT PSW
  s390x/tcg: refactor stfl(e) to use s390_get_feat_block()
  s390x/tcg: unlock NMI
  s390x/cpumodel: allow to enable SENSE RUNNING STATUS for qemu
  s390x/tcg: switch to new SIGP handling code
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-10-20 13:33:32 +01:00
Thomas Huth d0a5cc5bf4 tests: Enable the very simple virtio tests on s390x, too
These tests can easily be used on s390x, too. We just have to make
sure to use the virtio-xxx-ccw devices instead of virtio-xxx-pci.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1508336428-20511-3-git-send-email-thuth@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2017-10-20 13:32:10 +02:00
Eric Blake 78b27bade1 libqtest: Add qtest_[v]startf()
We have several callers that were formatting the argument strings
themselves; consolidate this effort by adding new convenience
functions directly in libqtest, and update some call-sites that
can benefit from it.

Note that the new functions qtest_startf() and qtest_vstartf()
behave more like qtest_init() (the caller must assign global_qtest
after the fact, rather than getting it implicitly set).  This helps
us prepare for future patches that get rid of the global variable,
by explicitly highlighting which tests still depend on it now.

Signed-off-by: Eric Blake <eblake@redhat.com>
[thuth: Dropped the hunks that do not apply cleanly to qemu master
 yet and added the missing g_free(args) in qtest_vstartf()]
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1508336428-20511-2-git-send-email-thuth@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2017-10-20 13:32:10 +02:00
Fam Zheng 6a2e11974f docker: Fix PATH for ccache
Before bcd7f06f57 we source /etc/profile
so the PATH included the right paths to ccache binaries. Now we need to
update $PATH explicitly from run script.

Keep the old /usr/lib around just so that in the future, ccache from 32
bit images will just work.

Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20171018073841.30062-1-famz@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
2017-10-20 14:28:50 +08:00
Greg Kurz 1dc1700a60 docker: fix out-of-tree 'make docker-test-build@debian-powerpc-cross'
Without this patch, it fails with:

IOError: [Errno 2] No such file or directory:
 'tests/docker/dockerfiles/debian-apt-fake.sh'

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <150841324224.31292.4012464539983692364.stgit@bahia.lan>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Fam Zheng <famz@redhat.com>
2017-10-20 14:28:50 +08:00
Paolo Bonzini bc739b8e7d docker: allow running from srcdir != builddir build
The new script uses "git submodule", which is picky about being invoked
from the top of the git checkout.  Invoke the script from $(SRC_PATH)
to avoid git's wrath.

Fixes: b7f404201e
Cc: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Message-Id: <1508331989-142364-1-git-send-email-pbonzini@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
2017-10-20 14:28:50 +08:00
Peter Xu 08c3f6d57f docker: cleanup temp directory after test
There are temp directories named "docker-src.*" after doing docker
tests.  I don't see much point in keeping that (it only contains the
qemu.tar which is exactly current tree, and the copied "run" file).
Let's remove it after test finished.

CC: "Alex Bennée" <alex.bennee@linaro.org>
CC: Fam Zheng <famz@redhat.com>
CC: "Philippe Mathieu-Daudé" <f4bug@amsat.org>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20171017071247.32355-1-peterx@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
2017-10-20 14:28:50 +08:00
Fam Zheng 4b2c6bc563 docker: Don't allocate tty unless DEBUG=1
The existence of tty in the container seems to urge gcc into colorizing
the errors, but the escape chars will clutter the report once turned
into email replies on patchew. Move -t to debug mode.

Reported-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20171013011954.9975-1-famz@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Fam Zheng <famz@redhat.com>
2017-10-20 14:28:50 +08:00
Peter Maydell a9038e5e19 trivial patches for 2017-10-16
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Merge remote-tracking branch 'remotes/mjt/tags/trivial-patches-fetch' into staging

trivial patches for 2017-10-16

# gpg: Signature made Mon 16 Oct 2017 21:32:05 BST
# gpg:                using RSA key 0x701B4F6B1A693E59
# gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>"
# gpg:                 aka "Michael Tokarev <mjt@corpit.ru>"
# gpg:                 aka "Michael Tokarev <mjt@debian.org>"
# Primary key fingerprint: 6EE1 95D1 886E 8FFB 810D  4324 457C E0A0 8044 65C5
#      Subkey fingerprint: 7B73 BAD6 8BE7 A2C2 8931  4B22 701B 4F6B 1A69 3E59

* remotes/mjt/tags/trivial-patches-fetch:
  Add myself as maintainer for TPM code
  filter-mirror: segfault when specifying non existent device
  MAINTAINERS: Track default-configs/pci.mak
  MAINTAINERS: Fix Sun4v file
  MAINTAINERS: Clean up SCSI device section
  include/hw/or-irq.h: Drop unused in_irqs field
  io: Add missing GCC_FMT_ATTR (fix -Werror=suggest-attribute=format)
  os-posix: Drop misleading comment
  linux-user: Add some random ioctls
  futex: add missing header guards
  ui/gtk: Fix deprecation of vte_terminal_copy_clipboard
  gitignore: ignore check-qlit test
  linux-user: remove duplicate break in syscall
  qemu-doc.texi: remove trailing whitespace

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-10-17 13:13:03 +01:00
Carlo Marcelo Arenas Belón 439e91af8f gitignore: ignore check-qlit test
test introduced in 382176b4d7

Signed-off-by: Carlo Marcelo Arenas Belón <carenas@gmail.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2017-10-16 20:57:06 +03:00
Peter Maydell e24cdd0721 Some m68k, qtest and config improvements
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Merge remote-tracking branch 'remotes/huth/tags/pull-request-2017-10-16' into staging

Some m68k, qtest and config improvements

# gpg: Signature made Mon 16 Oct 2017 13:38:03 BST
# gpg:                using RSA key 0x2ED9D774FE702DB5
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>"
# gpg:                 aka "Thomas Huth <thuth@redhat.com>"
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>"
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>"
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* remotes/huth/tags/pull-request-2017-10-16:
  default-configs: Enable CONFIG_VMXNET3_PCI only on x86
  tests/prom-env: Bump the timeout, and test pseries only in slow mode
  tests: use g_new() family of functions
  M68K: use g_new() family of functions
  hw/m68k: Replace fprintf(stderr, "*\n" with error_report()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-10-16 18:29:38 +01:00
Peter Maydell c5bbcaa4b7 pc, pci, virtio: fixes, features
A bunch of fixes all over the place.
 A new vmcore device - the user interface around it is still somewhat
 controversial, but I feel most of the code is fine, suggestions can be
 addressed by adding patches on top.
 
 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: fixes, features

A bunch of fixes all over the place.
A new vmcore device - the user interface around it is still somewhat
controversial, but I feel most of the code is fine, suggestions can be
addressed by adding patches on top.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Sun 15 Oct 2017 04:02:23 BST
# gpg:                using RSA key 0x281F0DB8D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>"
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* remotes/mst/tags/for_upstream: (26 commits)
  tests/pxe: Test more NICs when running in SPEED=slow mode
  pc: remove useless hot_add_cpu initialisation
  isapc: Remove unnecessary migration compatibility code
  virtio-pci: Replace modern_as with direct access to modern_bar
  virtio: fix descriptor counting in virtqueue_pop
  hw/gen_pcie_root_port: make IO RO 0 on IO disabled
  pci: Validate interfaces on base_class_init
  xen/pt: Mark TYPE_XEN_PT_DEVICE as hybrid
  pci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices
  pci: Add INTERFACE_PCIE_DEVICE to all PCIe devices
  pci: Add interface names to hybrid PCI devices
  pci: conventional-pci-device and pci-express-device interfaces
  PCI: PCIe access should always be little endian
  virtio/pci/migration: Convert to VMState
  hw/pci-bridge/pcie_pci_bridge: properly handle MSI unavailability case
  pci: allow 32-bit PCI IO accesses to pass through the PCI bridge
  virtio/vhost: reset dev->log after syncing
  MAINTAINERS: add Dump maintainers
  scripts/dump-guest-memory.py: add vmcoreinfo
  kdump: set vmcoreinfo location
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-10-16 17:29:16 +01:00
Peter Maydell 79b2a13aa8 nbd patches for 2017-10-14
- Marc-André Lureau - NBD: use g_new() family of functions
 - Vladimir Sementsov-Ogievskiy - first half of 00/13 nbd minimal structured read
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Merge remote-tracking branch 'remotes/ericb/tags/pull-nbd-2017-10-14' into staging

nbd patches for 2017-10-14

- Marc-André Lureau - NBD: use g_new() family of functions
- Vladimir Sementsov-Ogievskiy - first half of 00/13 nbd minimal structured read

# gpg: Signature made Sun 15 Oct 2017 01:38:47 BST
# gpg:                using RSA key 0xA7A16B4A2527436A
# gpg: Good signature from "Eric Blake <eblake@redhat.com>"
# gpg:                 aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>"
# gpg:                 aka "[jpeg image of size 6874]"
# Primary key fingerprint: 71C2 CC22 B1C4 6029 27D2  F3AA A7A1 6B4A 2527 436A

* remotes/ericb/tags/pull-nbd-2017-10-14:
  nbd: header constants indenting
  nbd/server: simplify reply transmission
  nbd/server: refactor nbd_co_send_simple_reply parameters
  nbd/server: do not use NBDReply structure
  nbd/server: structurize simple reply header sending
  nbd: rename some simple-request related objects to be _simple_
  block/nbd-client: refactor nbd_co_receive_reply
  block/nbd-client: assert qiov len once in nbd_co_request
  NBD: use g_new() family of functions

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-10-16 15:54:42 +01:00
Thomas Huth b95b5a0a52 tests/prom-env: Bump the timeout, and test pseries only in slow mode
If QEMU has been compiled with the flags --enable-tcg-interpreter and
--enable-debug, the guest is running incredibly slow. The prom-env
test is approximately 10 times slower than normal in this case, and
it takes up to 500 seconds until the test with the pseries machine
finishs. While we should still look for ways to speed up the test
on the pseries machine here, let's bump the timeout to 600 seconds to
allow the test to pass with this unusal configuration already now.
Also move the pseries test into the "slow" category - since it is
really a very slow test.

Reviewed-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2017-10-16 13:29:49 +02:00
Marc-André Lureau 790bbb9768 tests: use g_new() family of functions
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
[PMD: split of some files in other commits of the same series, add libqtest.c]
Acked-by: John Snow <jsnow@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2017-10-16 13:29:49 +02:00
Thomas Huth ab06ec4357 tests/pxe: Test more NICs when running in SPEED=slow mode
The pxe-test is a very good test to excercise NICs, thus we should use
it to test all NICs that can be used by the BIOS for booting via network.
However, to avoid that the default testing time increases too much, the
additional NICs are only tested in the "make check SPEED=slow" mode.

The virtio-net NIC on ppc64 is now also only tested in slow mode, since
the test on ppc64 is really quite slow and we've got test coverage for
virtio-net in big endian mode now on s390x, too.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2017-10-15 05:54:44 +03:00
Vladimir Sementsov-Ogievskiy 7b3158f951 nbd: rename some simple-request related objects to be _simple_
To be consistent when their _structured_ analogs will be introduced.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20171012095319.136610-4-vsementsov@virtuozzo.com>
[eblake: also tweak trace message contents]
Signed-off-by: Eric Blake <eblake@redhat.com>
2017-10-12 16:27:34 -05:00
Dr. David Alan Gilbert 121765281d vhost-user-bridge: Only process received packets on started queues
Only process received packets if the queue has been started.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20171002191521.15748-3-dgilbert@redhat.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
2017-10-12 16:57:42 +02:00
Eduardo Habkost 1a6d375710 scripts: Remove debug parameter from QEMUMachine
All scripts that use the QEMUMachine and QEMUQtestMachine classes
(device-crash-test, tests/migration/*, iotests.py, basevm.py)
already configure logging.

The basicConfig() call inside QEMUMachine.__init__() is being
kept just to make sure a script would still work if it didn't
configure logging.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20171005172013.3098-4-ehabkost@redhat.com>
Reviewed-by: Lukáš Doktor <ldoktor@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2017-10-11 15:15:17 -03:00