Commit Graph

3645 Commits

Author SHA1 Message Date
Peter Maydell
62a2b55e8d Block layer patches
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block layer patches

# gpg: Signature made Mon 26 Mar 2018 15:33:01 BST
# gpg:                using RSA key 7F09B272C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74  56FE 7F09 B272 C88F 2FD6

* remotes/kevin/tags/for-upstream:
  qemu-iotests: Test vhdx image creation with QMP
  vhdx: Check for 4 GB maximum log size on creation
  vhdx: Don't use error_setg_errno() with constant errno
  vhdx: Require power-of-two block size on create
  qemu-iotests: Test parallels image creation with QMP
  parallels: Check maximum cluster size on create
  qemu-iotests: Test invalid resize on luks
  luks: Turn another invalid assertion into check
  qemu-iotests: Enable 025 for luks
  qemu-iotests: Test vdi image creation with QMP
  vdi: Fix build with CONFIG_VDI_DEBUG
  vdi: Change 'static' create option to 'preallocation' in QMP
  qcow2: Reset free_cluster_index when allocating a new refcount block
  include/block/block_int: Document protocol related functions
  block/blkreplay: Remove protocol-related fields
  block/throttle: Remove protocol-related fields
  block/quorum: Remove protocol-related fields
  block/replication: Remove protocol_name field
  iotests: 163 is not quick

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-26 17:13:31 +01:00
Marc-André Lureau
8e029fd64e vhost-user-test: add back memfd check
This revert commit fb68096da3, and
modify test_read_guest_mem() to use different chardev names, when
using memfd (_test_server_free(), where the chardev is removed, runs
in idle).

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180215212552.26997-4-marcandre.lureau@redhat.com>
Acked-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-03-26 14:37:13 +02:00
Marc-André Lureau
642e065a15 vhost-user-test: do not hang if chardev creation failed
Before the chardev name fix, the following error may happen: "attempt
to add duplicate property 'chr-test' to object (type 'container')",
due to races.

Sadly, error_vprintf() uses g_test_message(), so you have to use
read the cryptic --debug-log to see it. Later, it would make sense to
use g_critical() instead, and catch errors with
g_test_expect_message() (in glib 2.34).

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180215212552.26997-5-marcandre.lureau@redhat.com>
Acked-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-03-26 14:37:13 +02:00
Kevin Wolf
0b7e7f6681 qemu-iotests: Test vhdx image creation with QMP
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-03-26 12:17:43 +02:00
Kevin Wolf
e8f6ea6fb6 qemu-iotests: Test parallels image creation with QMP
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-03-26 12:17:43 +02:00
Kevin Wolf
50880f25c8 qemu-iotests: Test invalid resize on luks
This tests that the .bdrv_truncate implementation for luks doesn't crash
for invalid image sizes.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2018-03-26 12:17:40 +02:00
Kevin Wolf
633c175f8c qemu-iotests: Enable 025 for luks
We want to test resizing even for luks. The only change that is needed
is to explicitly zero out new space for luks because it's undefined.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2018-03-26 12:17:40 +02:00
Kevin Wolf
b7de0777dc qemu-iotests: Test vdi image creation with QMP
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2018-03-26 12:17:35 +02:00
Alberto Garcia
abf754fe40 qcow2: Reset free_cluster_index when allocating a new refcount block
When we try to allocate new clusters we first look for available ones
starting from s->free_cluster_index and once we find them we increase
their reference counts. Before we get to call update_refcount() to do
this last step s->free_cluster_index is already pointing to the next
cluster after the ones we are trying to allocate.

During update_refcount() it may happen however that we also need to
allocate a new refcount block in order to store the refcounts of these
new clusters (and to complicate things further that may also require
us to grow the refcount table). After all this we don't know if the
clusters that we originally tried to allocate are still available, so
we return -EAGAIN to ask the caller to restart the search for free
clusters.

This is what can happen in a common scenario:

  1) We want to allocate a new cluster and we see that cluster N is
     free.

  2) We try to increase N's refcount but all refcount blocks are full,
     so we allocate a new one at N+1 (where s->free_cluster_index was
     pointing at).

  3) Once we're done we return -EAGAIN to look again for a free
     cluster, but now s->free_cluster_index points at N+2, so that's
     the one we allocate. Cluster N remains unallocated and we have a
     hole in the qcow2 file.

This can be reproduced easily:

     qemu-img create -f qcow2 -o cluster_size=512 hd.qcow2 1M
     qemu-io -c 'write 0 124k' hd.qcow2

After this the image has 132608 bytes (256 clusters), and the refcount
block is full. If we write 512 more bytes it should allocate two new
clusters: the data cluster itself and a new refcount block.

     qemu-io -c 'write 124k 512' hd.qcow2

However the image has now three new clusters (259 in total), and the
first one of them is empty (and unallocated):

     dd if=hd.qcow2 bs=512c skip=256 count=1 | hexdump -C

If we write larger amounts of data in the last step instead of the 512
bytes used in this example we can create larger holes in the qcow2
file.

What this patch does is reset s->free_cluster_index to its previous
value when alloc_refcount_block() returns -EAGAIN. This way the caller
will try to allocate again the original clusters if they are still
free.

The output of iotest 026 also needs to be updated because now that
images have no holes some tests fail at a different point and the
number of leaked clusters is different.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-03-26 12:16:00 +02:00
Eric Blake
71b74b2544 iotests: 163 is not quick
Testing on ext4, most 'quick' qcow2 tests took less than 5 seconds,
but 163 took more than 20.  Let's remove it from the quick set.

Signed-off-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-03-26 12:16:00 +02:00
Eric Blake
39615354fc qapi: Force UTF8 encoding when parsing qapi files
Commit d4e5ec877 already fixed things to work around Python 3's
lame bug of having LC_ALL=C not be 8-bit clean, when parsing the
main QMP qapi files; but failed to do likewise in the tests
directory.  As a result, running 'LC_ALL=C make check' fails on
escape-too-big and unicode-str when using python 3 with a nasty
stack trace instead of the intended graceful error message that
QAPI doesn't yet support 8-bit data (the two tests contain
Unicode é, when parsed in UTF-8; they represent something
different when parsed in a proper single-byte C locale, but that
doesn't matter to the error message printed out, provided that
brain-dead Python hasn't first choked on the input instead of
being 8-bit clean).

Ideally, we'd teach the qapi generator scripts to automatically
slurp things in using UTF-8 regardless of locale, and to honor
content that is not limited to 7 bit data rather than gracefully
erroring out; but until then, since our graceful error depends
on python parsing 8-bit data (even if nothing we generate uses
8-bit data), our quick fix is to use the right locale when
running these tests.

Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180319205040.1113423-1-eblake@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2018-03-23 12:29:07 -05:00
Peter Xu
a4f90923b5 Revert "monitor: enable IO thread for (qmp & !mux) typed"
This reverts commit 3fd2457d18.

Enabling OOB caused several iotests failures; due to the imminent
2.12 release, the safest action is to disable OOB for now.  If
other patches fix the issues that iotests exposed, it may be turned
back on in time for the release, otherwise it will be 2.13 material;
either way, the framework changes not reverted now do not hurt if
they remain as part of the 2.12 release.

Additionally, revert the tests in the patch 02130314d8 ("qmp: introduce
QMPCapability", 2018-03-19), as both parts must be reverted at once
to keep 'make check' passing.

Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20180323140821.28957-2-peterx@redhat.com>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
[eblake: reorder/squash commits, enhance commit message]
Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-23 12:28:00 -05:00
Peter Xu
cc797607c0 Revert "tests: qmp-test: verify command batching"
This reverts commit 91ad45061a.

Enabling OOB caused several iotests failures; due to the imminent
2.12 release, the safest action is to disable OOB, but first we
have to revert tests that rely on OOB.

Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20180323140821.28957-4-peterx@redhat.com>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
[eblake: reorder commits, enhance commit message]
Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-23 12:24:19 -05:00
Peter Xu
4fd78ad793 Revert "tests: qmp-test: add oob test"
This reverts commit d003f7a8f9.

Enabling OOB caused several iotests failures; due to the imminent
2.12 release, the safest action is to disable OOB, but first we
have to revert tests that rely on OOB.

Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20180323140821.28957-3-peterx@redhat.com>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
[eblake: reorder commits, enhance commit message]
Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-23 12:20:22 -05:00
Kevin Wolf
e2679395d5 tests/multiboot: Add .gitignore
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Jack Schwartz <jack.schwartz@oracle.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2018-03-21 15:13:40 +01:00
Kevin Wolf
1c8c426fb4 tests/multiboot: Add tests for the a.out kludge
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Jack Schwartz <jack.schwartz@oracle.com>
2018-03-21 15:13:25 +01:00
Kevin Wolf
49713c413a tests/multiboot: Test exit code for every qemu run
Testing the exit code only once after a whole group of tests has
completed is not enough, it catches errors only in the very last qemu
invocation. We need to have the check after each qemu run.

The logging and diff with the reference output is still done once per
group to keep things more managable. This is not a problem because the
log file accumulates the output of all runs.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Jack Schwartz <jack.schwartz@oracle.com>
2018-03-21 15:13:25 +01:00
Peter Maydell
ed627b2ad3 virtio,vhost,pci,pc: features, cleanups
SRAT tables for DIMM devices
 new virtio net flags for speed/duplex
 post-copy migration support in vhost
 cleanups in pci
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio,vhost,pci,pc: features, cleanups

SRAT tables for DIMM devices
new virtio net flags for speed/duplex
post-copy migration support in vhost
cleanups in pci

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

# gpg: Signature made Tue 20 Mar 2018 14:40:43 GMT
# gpg:                using RSA key 281F0DB8D28D5469
# 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: (51 commits)
  postcopy shared docs
  libvhost-user: Claim support for postcopy
  postcopy: Allow shared memory
  vhost: Huge page align and merge
  vhost+postcopy: Wire up POSTCOPY_END notify
  vhost-user: Add VHOST_USER_POSTCOPY_END message
  libvhost-user: mprotect & madvises for postcopy
  vhost+postcopy: Call wakeups
  vhost+postcopy: Add vhost waker
  postcopy: postcopy_notify_shared_wake
  postcopy: helper for waking shared
  vhost+postcopy: Resolve client address
  postcopy-ram: add a stub for postcopy_request_shared_page
  vhost+postcopy: Helper to send requests to source for shared pages
  vhost+postcopy: Stash RAMBlock and offset
  vhost+postcopy: Send address back to qemu
  libvhost-user+postcopy: Register new regions with the ufd
  migration/ram: ramblock_recv_bitmap_test_byte_offset
  postcopy+vhost-user: Split set_mem_table for postcopy
  vhost+postcopy: Transmit 'listen' to slave
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

# Conflicts:
#	scripts/update-linux-headers.sh
2018-03-20 15:48:34 +00:00
Peter Maydell
036793aebf Machine and x86 queue, 2018-03-19
* cpu_model/cpu_type cleanups
 * x86: Fix on Intel Processor Trace CPUID checks
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Merge remote-tracking branch 'remotes/ehabkost/tags/machine-next-pull-request' into staging

Machine and x86 queue, 2018-03-19

* cpu_model/cpu_type cleanups
* x86: Fix on Intel Processor Trace CPUID checks

# gpg: Signature made Mon 19 Mar 2018 20:07:14 GMT
# gpg:                using RSA key 2807936F984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>"
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/machine-next-pull-request:
  i386: Disable Intel PT if packets IP payloads have LIP values
  cpu: drop unnecessary NULL check and cpu_common_class_by_name()
  cpu: get rid of unused cpu_init() defines
  Use cpu_create(type) instead of cpu_init(cpu_model)
  cpu: add CPU_RESOLVING_TYPE macro
  tests: add machine 'none' with -cpu test
  nios2: 10m50_devboard: replace cpu_model with cpu_type

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-20 12:56:20 +00:00
Haozhong Zhang
e0e5c8583d test/acpi-test-data: add ACPI tables for dimmpxm test
Reviewers can use ACPI tables in this patch to run
test_acpi_{piix4,q35}_tcg_dimm_pxm cases.

Signed-off-by: Haozhong Zhang <haozhong.zhang@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2018-03-20 03:34:52 +02:00
Haozhong Zhang
adae91ce32 tests/bios-tables-test: add test cases for DIMM proximity
QEMU now builds one SRAT memory affinity structure for each PC-DIMM
and NVDIMM device presented at boot time with the proximity domain
specified in the device option 'node', rather than only one SRAT
memory affinity structure covering the entire hotpluggable address
space with the proximity domain of the last node.

Add test cases on PC and Q35 machines with 4 proximity domains, and
one PC-DIMM and one NVDIMM attached to the 2nd and 3rd proximity
domains respectively. Check whether the QEMU-built SRAT tables match
with the expected ones.

The following ACPI tables need to be added for this test:
  tests/acpi-test-data/pc/APIC.dimmpxm
  tests/acpi-test-data/pc/DSDT.dimmpxm
  tests/acpi-test-data/pc/NFIT.dimmpxm
  tests/acpi-test-data/pc/SRAT.dimmpxm
  tests/acpi-test-data/pc/SSDT.dimmpxm
  tests/acpi-test-data/q35/APIC.dimmpxm
  tests/acpi-test-data/q35/DSDT.dimmpxm
  tests/acpi-test-data/q35/NFIT.dimmpxm
  tests/acpi-test-data/q35/SRAT.dimmpxm
  tests/acpi-test-data/q35/SSDT.dimmpxm
New APIC and DSDT are needed because of the multiple processors
configuration. New NFIT and SSDT are needed because of NVDIMM.

Signed-off-by: Haozhong Zhang <haozhong.zhang@intel.com>
Suggested-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2018-03-20 03:34:52 +02:00
Eric Blake
02e3092db3 qapi: Pass '-u' when doing non-silent diff
Ed-script diffs are awful compared to context diffs.  Fix another
'diff -q' while in the area (if the files are different, being
noisy makes it easier to diagnose why).

While at it, diff .err before .out, because if a test fails, .err
is more likely to contain the most important information for
fixing the failure.

Fixes: 46ec4fce
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180315125116.804342-1-eblake@redhat.com>
2018-03-19 14:58:38 -05:00
Peter Xu
d003f7a8f9 tests: qmp-test: add oob test
Test the new OOB capability.  Here we used the new "x-oob-test" command.
First, we send a lock=true and oob=false command to hang the main
thread.  Then send another lock=false and oob=true command (which will
be run inside parser this time) to free that hanged command.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20180309090006.10018-24-peterx@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: grammar tweaks]
Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-19 14:58:37 -05:00
Peter Xu
91ad45061a tests: qmp-test: verify command batching
OOB introduced DROP event for flow control.  This should not affect old
QMP clients.  Add a command batching check to make sure of it.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20180309090006.10018-23-peterx@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-19 14:58:37 -05:00
Peter Xu
876c67512e qapi: introduce new cmd option "allow-oob"
Here "oob" stands for "Out-Of-Band".  When "allow-oob" is set, it means
the command allows out-of-band execution.

The "oob" idea is proposed by Markus Armbruster in following thread:

  https://lists.gnu.org/archive/html/qemu-devel/2017-09/msg02057.html

This new "allow-oob" boolean will be exposed by "query-qmp-schema" as
well for command entries, so that QMP clients can know which commands
can be used in out-of-band calls. For example the command "migrate"
originally looks like:

  {"name": "migrate", "ret-type": "17", "meta-type": "command",
   "arg-type": "86"}

And it'll be changed into:

  {"name": "migrate", "ret-type": "17", "allow-oob": false,
   "meta-type": "command", "arg-type": "86"}

This patch only provides the QMP interface level changes.  It does not
contain the real out-of-band execution implementation yet.

Suggested-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20180309090006.10018-18-peterx@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: rebase on introspection done by qlit]
Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-19 14:58:37 -05:00
Peter Xu
02130314d8 qmp: introduce QMPCapability
There were no QMP capabilities defined.  Define the first capability,
"oob", to allow out-of-band messages.

After this patch, we will allow QMP clients to enable QMP capabilities
when sending the first "qmp_capabilities" command.  Originally we are
starting QMP session with no arguments like:

  { "execute": "qmp_capabilities" }

Now we can enable some QMP capabilities using (take OOB as example,
which is the only capability that we support):

  { "execute": "qmp_capabilities",
    "arguments": { "enable": [ "oob" ] } }

When the "arguments" key is not provided, no capability is enabled.

For capability "oob", the monitor needs to be run on a dedicated IO
thread, otherwise the command will fail.  For example, trying to enable
OOB on a MUXed typed QMP monitor will fail.

One thing to mention is that QMP capabilities are per-monitor, and also
when the connection is closed due to some reason, the capabilities will
be reset.

Also, touch up qmp-test.c to test the new bits.

Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20180309090006.10018-11-peterx@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: touch up commit message]
Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-19 14:58:37 -05:00
Max Reitz
e59a0cf17b block: Handle null backing link
Instead of converting all "backing": null instances into "backing": "",
handle a null value directly in bdrv_open_inherit().

This enables explicitly null backing links for json:{} filenames.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-Id: <20180224154033.29559-7-mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: rebase to qobject_to() parameter order and qapi headers split]
Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-19 14:58:36 -05:00
Max Reitz
7dc847ebba qapi: Replace qobject_to_X(o) by qobject_to(X, o)
This patch was generated using the following Coccinelle script:

@@
expression Obj;
@@
(
- qobject_to_qnum(Obj)
+ qobject_to(QNum, Obj)
|
- qobject_to_qstring(Obj)
+ qobject_to(QString, Obj)
|
- qobject_to_qdict(Obj)
+ qobject_to(QDict, Obj)
|
- qobject_to_qlist(Obj)
+ qobject_to(QList, Obj)
|
- qobject_to_qbool(Obj)
+ qobject_to(QBool, Obj)
)

and a bit of manual fix-up for overly long lines and three places in
tests/check-qjson.c that Coccinelle did not find.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-Id: <20180224154033.29559-4-mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: swap order from qobject_to(o, X), rebase to master, also a fix
to latent false-positive compiler complaint about hw/i386/acpi-build.c]
Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-19 14:58:36 -05:00
Igor Mammedov
9c5a87e496 tests: add machine 'none' with -cpu test
Check that "$QEMU -M none -cpu FOO" starts QEMU without error

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <1518000027-274608-3-git-send-email-imammedo@redhat.com>
[ehabkost: include qmp/qdict.h instead of qmp/types.h]
[ehabkost: add riscv targets to machine-none-test]
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2018-03-19 14:09:57 -03:00
Marc-André Lureau
7d0f982bfb qapi: generate a literal qobject for introspection
Replace the generated json string with a literal qobject. The later is
easier to deal with, at run time as well as compile time: adding #if
conditionals will be easier than in a json string.

The output of query-qmp-schema is not changed.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20180305172951.2150-5-marcandre.lureau@redhat.com>
[eblake: fix python 3 failure]
Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-19 10:00:14 -05:00
Marc-André Lureau
3cf42b8b3a qlit: add qobject_from_qlit()
Instantiate a QObject* from a literal QLitObject.

LitObject only supports int64_t for now.  uint64_t and double aren't
implemented.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20180305172951.2150-4-marcandre.lureau@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-19 10:00:14 -05:00
Peter Maydell
2c8cfc0b52 Block layer patches
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block layer patches

# gpg: Signature made Mon 19 Mar 2018 11:01:45 GMT
# gpg:                using RSA key 7F09B272C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74  56FE 7F09 B272 C88F 2FD6

* remotes/kevin/tags/for-upstream: (46 commits)
  iotests: Avoid realpath, for CentOS 6
  block: fix iotest 146 output expectations
  iscsi: fix iSER compilation
  block: Fix leak of ignore_children in error path
  vvfat: Fix inherit_options flags
  block/mirror: change the semantic of 'force' of block-job-cancel
  vpc: Require aligned size in .bdrv_co_create
  vpc: Support .bdrv_co_create
  vhdx: Support .bdrv_co_create
  vdi: Make comments consistent with other drivers
  qed: Support .bdrv_co_create
  qcow: Support .bdrv_co_create
  qemu-iotests: Enable write tests for parallels
  parallels: Support .bdrv_co_create
  iotests: Add regression test for commit base locking
  block: Fix flags in reopen queue
  vdi: Implement .bdrv_co_create
  vdi: Move file creation to vdi_co_create_opts
  vdi: Pull option parsing from vdi_co_create
  qemu-iotests: Test luks QMP image creation
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-19 11:44:26 +00:00
Eric Blake
63ca8406be iotests: Avoid realpath, for CentOS 6
CentOS 6 lacks a realpath binary on the base install, which makes
all iotests runs fail since the 2.11 release:

001         - output mismatch (see 001.out.bad)
./check: line 815: realpath: command not found
diff: missing operand after `/home/dummy/qemu/tests/qemu-iotests/001.out'
diff: Try `diff --help' for more information.

Many of the uses of 'realpath' in the check script were being
used on the output of 'type -p' - but that is already an
absolute file name.  While a canonical name can often be
shorter (realpath gets rid of /../), it can also be longer (due
to symlink expansion); and we really don't care if the name is
canonical, merely that it was an executable file with an
absolute path.  These were broken in commit cceaf1db.

The remaining use of realpath was to convert a possibly relative
filename into an absolute one before calling diff to make it
easier to copy-and-paste the filename for moving the .bad file
into place as the new reference file even when running iotests
out-of-tree (see commit 93e53fb6), but $PWD can achieve the same
purpose.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-03-19 12:01:39 +01:00
Jeff Cody
181bb8822b block: fix iotest 146 output expectations
Commit bff5554843 added "force_size" into the common.filter for
_filter_img_create(), but test 146 still expects it in the output.

Signed-off-by: Jeff Cody <jcody@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-03-19 12:01:39 +01:00
Liang Li
b76e4458b1 block/mirror: change the semantic of 'force' of block-job-cancel
When doing drive mirror to a low speed shared storage, if there was heavy
BLK IO write workload in VM after the 'ready' event, drive mirror block job
can't be canceled immediately, it would keep running until the heavy BLK IO
workload stopped in the VM.

Libvirt depends on the current block-job-cancel semantics, which is that
when used without a flag after the 'ready' event, the command blocks
until data is in sync.  However, these semantics are awkward in other
situations, for example, people may use drive mirror for realtime
backups while still wanting to use block live migration.  Libvirt cannot
start a block live migration while another drive mirror is in progress,
but the user would rather abandon the backup attempt as broken and
proceed with the live migration than be stuck waiting for the current
drive mirror backup to finish.

The drive-mirror command already includes a 'force' flag, which libvirt
does not use, although it documented the flag as only being useful to
quit a job which is paused.  However, since quitting a paused job has
the same effect as abandoning a backup in a non-paused job (namely, the
destination file is not in sync, and the command completes immediately),
we can just improve the documentation to make the force flag obviously
useful.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Jeff Cody <jcody@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Max Reitz <mreitz@redhat.com>
Cc: Eric Blake <eblake@redhat.com>
Cc: John Snow <jsnow@redhat.com>
Reported-by: Huaitong Han <huanhuaitong@didichuxing.com>
Signed-off-by: Huaitong Han <huanhuaitong@didichuxing.com>
Signed-off-by: Liang Li <liliangleo@didichuxing.com>
Signed-off-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-03-19 12:01:39 +01:00
Kevin Wolf
e1473133f7 qemu-iotests: Enable write tests for parallels
Originally we added parallels as a read-only format to qemu-iotests
where we did just some tests with a binary image. Since then, write and
image creation support has been added to the driver, so we can now
enable it in _supported_fmt generic.

The driver doesn't support migration yet, though, so we need to add it
to the list of exceptions in 181.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
2018-03-19 12:01:39 +01:00
Fam Zheng
de963500c5 iotests: Add regression test for commit base locking
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-03-19 12:01:39 +01:00
Kevin Wolf
d06195e6a6 qemu-iotests: Test luks QMP image creation
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2018-03-19 12:01:39 +01:00
John Snow
fb367e039f tests/test-blockjob: test cancellations
Whatever the state a blockjob is in, it should be able to be canceled
by the block layer.

Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-03-19 12:01:24 +01:00
John Snow
6d8be96762 iotests: test manual job dismissal
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-03-19 12:01:24 +01:00
John Snow
b40dacdc7c blockjobs: Expose manual property
Expose the "manual" property via QAPI for the backup-related jobs.
As of this commit, this allows the management API to request the
"concluded" and "dismiss" semantics for backup jobs.

Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-03-19 12:01:24 +01:00
John Snow
0ec4dfb8d6 blockjobs: add block_job_verb permission table
Which commands ("verbs") are appropriate for jobs in which state is
also somewhat burdensome to keep track of.

As of this commit, it looks rather useless, but begins to look more
interesting the more states we add to the STM table.

A recurring theme is that no verb will apply to an 'undefined' job.

Further, it's not presently possible to restrict the "pause" or "resume"
verbs any more than they are in this commit because of the asynchronous
nature of how jobs enter the PAUSED state; justifications for some
seemingly erroneous applications are given below.

=====
Verbs
=====

Cancel:    Any state except undefined.
Pause:     Any state except undefined;
           'created': Requests that the job pauses as it starts.
           'running': Normal usage. (PAUSED)
           'paused':  The job may be paused for internal reasons,
                      but the user may wish to force an indefinite
                      user-pause, so this is allowed.
           'ready':   Normal usage. (STANDBY)
           'standby': Same logic as above.
Resume:    Any state except undefined;
           'created': Will lift a user's pause-on-start request.
           'running': Will lift a pause request before it takes effect.
           'paused':  Normal usage.
           'ready':   Will lift a pause request before it takes effect.
           'standby': Normal usage.
Set-speed: Any state except undefined, though ready may not be meaningful.
Complete:  Only a 'ready' job may accept a complete request.

=======
Changes
=======

(1)

To facilitate "nice" error checking, all five major block-job verb
interfaces in blockjob.c now support an errp parameter:

- block_job_user_cancel is added as a new interface.
- block_job_user_pause gains an errp paramter
- block_job_user_resume gains an errp parameter
- block_job_set_speed already had an errp parameter.
- block_job_complete already had an errp parameter.

(2)

block-job-pause and block-job-resume will no longer no-op when trying
to pause an already paused job, or trying to resume a job that isn't
paused. These functions will now report that they did not perform the
action requested because it was not possible.

iotests have been adjusted to address this new behavior.

(3)

block-job-complete doesn't worry about checking !block_job_started,
because the permission table guards against this.

(4)

test-bdrv-drain's job implementation needs to announce that it is
'ready' now, in order to be completed.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-03-19 12:01:24 +01:00
John Snow
f03d9d243f iotests: add pause_wait
Split out the pause command into the actual pause and the wait.
Not every usage presently needs to resubmit a pause request.

The intent with the next commit will be to explicitly disallow
redundant or meaningless pause/resume requests, so the tests
need to become more judicious to reflect that.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-03-19 12:01:24 +01:00
John Snow
58b295ba52 blockjobs: add status enum
We're about to add several new states, and booleans are becoming
unwieldly and difficult to reason about. It would help to have a
more explicit bookkeeping of the state of blockjobs. To this end,
add a new "status" field and add our existing states in a redundant
manner alongside the bools they are replacing:

UNDEFINED: Placeholder, default state. Not currently visible to QMP
           unless changes occur in the future to allow creating jobs
           without starting them via QMP.
CREATED:   replaces !!job->co && paused && !busy
RUNNING:   replaces effectively (!paused && busy)
PAUSED:    Nearly redundant with info->paused, which shows pause_count.
           This reports the actual status of the job, which almost always
           matches the paused request status. It differs in that it is
           strictly only true when the job has actually gone dormant.
READY:     replaces job->ready.
STANDBY:   Paused, but job->ready is true.

New state additions in coming commits will not be quite so redundant:

WAITING:   Waiting on transaction. This job has finished all the work
           it can until the transaction converges, fails, or is canceled.
PENDING:   Pending authorization from user. This job has finished all the
           work it can until the job or transaction is finalized via
           block_job_finalize. This implies the transaction has converged
           and left the WAITING phase.
ABORTING:  Job has encountered an error condition and is in the process
           of aborting.
CONCLUDED: Job has ceased all operations and has a return code available
           for query and may be dismissed via block_job_dismiss.
NULL:      Job has been dismissed and (should) be destroyed. Should never
           be visible to QMP.

Some of these states appear somewhat superfluous, but it helps define the
expected flow of a job; so some of the states wind up being synchronous
empty transitions. Importantly, jobs can be in only one of these states
at any given time, which helps code and external users alike reason about
the current condition of a job unambiguously.

Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-03-19 12:01:24 +01:00
John Snow
75859b9420 blockjobs: model single jobs as transactions
model all independent jobs as single job transactions.

It's one less case we have to worry about when we add more states to the
transition machine. This way, we can just treat all job lifetimes exactly
the same. This helps tighten assertions of the STM graph and removes some
conditionals that would have been needed in the coming commits adding a
more explicit job lifetime management API.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-03-19 12:01:24 +01:00
Thomas Huth
d7d15a6e34 tests/boot-serial: Check the 40p machine, too
The "40p" machine is using the Open Hack'Ware BIOS, just like the "prep"
machine, so we can test it accordingly with the boot-serial tester, too.
While we're at it, also change the strings that we are using for the
"prep" machine, so that this test now also checks some CLI parameters.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2018-03-18 18:27:23 +11:00
Peter Maydell
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Merge remote-tracking branch 'remotes/jnsnow/tags/bitmaps-pull-request' into staging

# gpg: Signature made Tue 13 Mar 2018 21:11:43 GMT
# gpg:                using RSA key 7DEF8106AAFC390E
# gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>"
# Primary key fingerprint: FAEB 9711 A12C F475 812F  18F2 88A9 064D 1835 61EB
#      Subkey fingerprint: F9B7 ABDB BCAC DF95 BE76  CBD0 7DEF 8106 AAFC 390E

* remotes/jnsnow/tags/bitmaps-pull-request:
  iotests: add dirty bitmap postcopy test
  iotests: add dirty bitmap migration test
  migration: add postcopy migration of dirty bitmaps
  migration: allow qmp command migrate-start-postcopy for any postcopy
  migration: add is_active_iterate handler
  migration/qemu-file: add qemu_put_counted_string()
  migration: include migrate_dirty_bitmaps in migrate_postcopy
  qapi: add dirty-bitmaps migration capability
  migration: introduce postcopy-only pending
  dirty-bitmap: add locked state
  block/dirty-bitmap: add _locked version of bdrv_reclaim_dirty_bitmap
  block/dirty-bitmap: fix locking in bdrv_reclaim_dirty_bitmap
  block/dirty-bitmap: add bdrv_dirty_bitmap_enable_successor()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-16 14:15:18 +00:00
Peter Maydell
475fe4576f nbd patches for 2018-03-13
- Eric Blake: iotests: Fix stuck NBD process on 33
 - Vladimir Sementsov-Ogievskiy: 0/5 nbd server fixing and refactoring before BLOCK_STATUS
 - Eric Blake: nbd/server: Honor FUA request on NBD_CMD_TRIM
 - Stefan Hajnoczi: 0/2 block: fix nbd-server-stop crash after blockdev-snapshot-sync
 - Vladimir Sementsov-Ogievskiy: nbd block status base:allocation
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 Comment: Public key at http://people.redhat.com/eblake/eblake.gpg
 
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Merge remote-tracking branch 'remotes/ericb/tags/pull-nbd-2018-03-13-v2' into staging

nbd patches for 2018-03-13

- Eric Blake: iotests: Fix stuck NBD process on 33
- Vladimir Sementsov-Ogievskiy: 0/5 nbd server fixing and refactoring before BLOCK_STATUS
- Eric Blake: nbd/server: Honor FUA request on NBD_CMD_TRIM
- Stefan Hajnoczi: 0/2 block: fix nbd-server-stop crash after blockdev-snapshot-sync
- Vladimir Sementsov-Ogievskiy: nbd block status base:allocation

# gpg: Signature made Tue 13 Mar 2018 20:48:37 GMT
# gpg:                using RSA key A7A16B4A2527436A
# 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-2018-03-13-v2:
  iotests: new test 209 for NBD BLOCK_STATUS
  iotests: add file_path helper
  iotests.py: tiny refactor: move system imports up
  nbd: BLOCK_STATUS for standard get_block_status function: client part
  block/nbd-client: save first fatal error in nbd_iter_error
  nbd: BLOCK_STATUS for standard get_block_status function: server part
  nbd/server: add nbd_read_opt_name helper
  nbd/server: add nbd_opt_invalid helper
  iotests: add 208 nbd-server + blockdev-snapshot-sync test case
  block: let blk_add/remove_aio_context_notifier() tolerate BDS changes
  nbd/server: Honor FUA request on NBD_CMD_TRIM
  nbd/server: refactor nbd_trip: split out nbd_handle_request
  nbd/server: refactor nbd_trip: cmd_read and generic reply
  nbd/server: fix: check client->closing before sending reply
  nbd/server: fix sparse read
  nbd/server: move nbd_co_send_structured_error up
  iotests: Fix stuck NBD process on 33

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-16 13:14:07 +00:00
Peter Maydell
3788c7b6e5 * Record-replay lockstep execution, log dumper and fixes (Alex, Pavel)
* SCSI fix to pass maximum transfer size (Daniel Barboza)
 * chardev fixes and improved iothread support (Daniel Berrangé, Peter)
 * checkpatch tweak (Eric)
 * make help tweak (Marc-André)
 * make more PCI NICs available with -net or -nic (myself)
 * change default q35 NIC to e1000e (myself)
 * SCSI support for NDOB bit (myself)
 * membarrier system call support (myself)
 * SuperIO refactoring (Philippe)
 * miscellaneous cleanups and fixes (Thomas)
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 Version: GnuPG v2.0.22 (GNU/Linux)
 
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* Record-replay lockstep execution, log dumper and fixes (Alex, Pavel)
* SCSI fix to pass maximum transfer size (Daniel Barboza)
* chardev fixes and improved iothread support (Daniel Berrangé, Peter)
* checkpatch tweak (Eric)
* make help tweak (Marc-André)
* make more PCI NICs available with -net or -nic (myself)
* change default q35 NIC to e1000e (myself)
* SCSI support for NDOB bit (myself)
* membarrier system call support (myself)
* SuperIO refactoring (Philippe)
* miscellaneous cleanups and fixes (Thomas)

# gpg: Signature made Mon 12 Mar 2018 16:10:52 GMT
# gpg:                using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream: (69 commits)
  tcg: fix cpu_io_recompile
  replay: update documentation
  replay: save vmstate of the asynchronous events
  replay: don't process async events when warping the clock
  scripts/replay-dump.py: replay log dumper
  replay: avoid recursive call of checkpoints
  replay: check return values of fwrite
  replay: push replay_mutex_lock up the call tree
  replay: don't destroy mutex at exit
  replay: make locking visible outside replay code
  replay/replay-internal.c: track holding of replay_lock
  replay/replay.c: bump REPLAY_VERSION again
  replay: save prior value of the host clock
  replay: added replay log format description
  replay: fix save/load vm for non-empty queue
  replay: fixed replay_enable_events
  replay: fix processing async events
  cpu-exec: fix exception_index handling
  hw/i386/pc: Factor out the superio code
  hw/alpha/dp264: Use the TYPE_SMC37C669_SUPERIO
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

# Conflicts:
#	default-configs/i386-softmmu.mak
#	default-configs/x86_64-softmmu.mak
2018-03-16 11:05:03 +00:00
Peter Maydell
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Merge remote-tracking branch 'remotes/berrange/tags/socket-next-pull-request' into staging

# gpg: Signature made Tue 13 Mar 2018 18:12:14 GMT
# gpg:                using RSA key BE86EBB415104FDF
# gpg: Good signature from "Daniel P. Berrange <dan@berrange.com>"
# gpg:                 aka "Daniel P. Berrange <berrange@redhat.com>"
# Primary key fingerprint: DAF3 A6FD B26B 6291 2D0E  8E3F BE86 EBB4 1510 4FDF

* remotes/berrange/tags/socket-next-pull-request:
  char: allow passing pre-opened socket file descriptor at startup
  char: refactor parsing of socket address information
  sockets: allow SocketAddress 'fd' to reference numeric file descriptors
  sockets: check that the named file descriptor is a socket
  sockets: move fd_is_socket() into common sockets code
  sockets: strengthen test suite IP protocol availability checks
  sockets: pull code for testing IP availability out of specific test
  cutils: add qemu_strtoi & qemu_strtoui parsers for int/unsigned int types
  char: don't silently skip tn3270 protocol init when TLS is enabled

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-15 18:53:07 +00:00