Commit Graph

3575 Commits

Author SHA1 Message Date
Paolo Bonzini
b9b7581754 rcutorture: remove synchronize_rcu from readers
This gives much worse numbers for readers, especially if synchronize_rcu
is made more expensive as is the case with --enable-membarrier.  Before:

   $ tests/rcutorture 10 stress 10
   n_reads: 98304  n_updates: 529  n_mberror: 0
   rcu_stress_count: 98302 2 0 0 0 0 0 0 0 0 0

After:

   $ tests/rcutorture 10 stress 10
   n_reads: 165158482  n_updates: 429  n_mberror: 0
   rcu_stress_count: 165154364 4118 0 0 0 0 0 0 0 0 0

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-03-12 16:12:47 +01:00
Paolo Bonzini
4397a01847 scsi: support NDOB (no data-out buffer) for WRITE SAME commands
A NDOB bit set to one specifies that the disk shall not transfer data
from the data-out buffer and shall process the command as if the data-out
buffer contained user data set to all zeroes.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-03-12 16:12:46 +01:00
Peter Xu
c7278b4355 chardev: introduce chr_machine_done hook
Introduce ChardevClass.chr_machine_done() hook so that chardevs can run
customized procedures after machine init.

There was an existing mux user already that did similar thing but used a
raw machine done notifier.  Generalize it into a framework, and let the
mux chardevs provide such a class-specific hook to achieve the same
thing.  Then we can move the mux related code to the char-mux.c file.

Since at it, replace the mux_realized variable with the global
machine_init_done varible.

This notifier framework will be further leverged by other type of
chardevs soon.

Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20180306053320.15401-6-peterx@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-03-12 16:12:46 +01:00
Peter Maydell
819fd4699c Migration pull 2018-03-09
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Merge remote-tracking branch 'remotes/dgilbert/tags/pull-migration-20180309a' into staging

Migration pull 2018-03-09

# gpg: Signature made Fri 09 Mar 2018 17:52:46 GMT
# gpg:                using RSA key 0516331EBC5BFDE7
# gpg: Good signature from "Dr. David Alan Gilbert (RH2) <dgilbert@redhat.com>"
# Primary key fingerprint: 45F5 C71B 4A0C B7FB 977A  9FA9 0516 331E BC5B FDE7

* remotes/dgilbert/tags/pull-migration-20180309a:
  tests: Silence migration-test 'bad' test
  migration: fix applying wrong capabilities
  migration/block: rename MAX_INFLIGHT_IO to MAX_IO_BUFFERS
  migration/block: reset dirty bitmap before read in bulk phase
  migration: do not transfer ram during bulk storage migration
  migration: fix minor finalize leak

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-12 13:21:53 +00:00
Dr. David Alan Gilbert
f96d6651e4 tests: Silence migration-test 'bad' test
In 2c9bb29703 I added a migration test that purposely fails;
unfortunately it prints a copy of the failure message to stderr
which makes the output a bit messy.

Hide stderr for that test.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20180306173042.24572-1-dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Tested-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2018-03-09 17:39:25 +00:00
Stefan Hajnoczi
21794244d4 qemu-iotests: fix 203 migration completion race
There is a race between the test's 'query-migrate' QMP command after the
QMP 'STOP' event and completing the migration:

The test case invokes 'query-migrate' upon receiving 'STOP'.  At this
point the migration thread may still be in the process of completing.
Therefore 'query-migrate' can return 'status': 'active' for a brief
window of time instead of 'status': 'completed'.  This results in
qemu-iotests 203 hanging.

Solve the race by enabling the 'events' migration capability, which
causes QEMU to emit migration-specific QMP events that do not suffer
from this race condition.  Wait for the QMP 'MIGRATION' event with
'status': 'completed'.

Reported-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20180305155926.25858-1-stefanha@redhat.com
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2018-03-09 15:40:07 +01:00
Alberto Garcia
39eaefcedb iotests: Tweak 030 in order to trigger a race condition with parallel jobs
This patch tweaks TestParallelOps in iotest 030 so it allocates data
in smaller regions (256KB/512KB instead of 512KB/1MB) and the
block-stream job in test_stream_commit() only needs to copy data that
is at the very end of the image.

This way when the block-stream job is awakened it will finish right
away without any chance of being stopped by block_job_sleep_ns(). This
triggers the bug that was fixed by 3d5d319e12 and
1a63a90750 and is therefore a more useful test
case for parallel block jobs.

After this patch the aforementiond bug can also be reproduced with the
test_stream_parallel() test case.

Since with this change the stream job in test_stream_commit() finishes
early, this patch introduces a similar test case where both jobs are
slowed down so they can actually run in parallel.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Cc: John Snow <jsnow@redhat.com>
Message-id: 20180306130121.30243-1-berto@igalia.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2018-03-09 15:40:07 +01:00
Fam Zheng
0bfed484a5 iotests: Skip test for ENOMEM error
The AFL image is to exercise the code validating image size, which
doesn't work on 32 bit or when out of memory (there is a large
allocation before the interesting point). So check that and skip the
test, instead of faking the result.

Signed-off-by: Fam Zheng <famz@redhat.com>
Message-id: 20180301011413.11531-1-famz@redhat.com
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2018-03-09 15:40:07 +01:00
Eric Blake
990dc39cfa iotests: Mark all tests executable
The majority of our iotests have the executable bit set; fix the
few outliers for consistency.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-id: 20180305161824.7188-1-eblake@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
2018-03-09 15:40:07 +01:00
Fam Zheng
fcca5dce20 iotests: Test creating overlay when guest running
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-id: 20171225025107.23985-1-famz@redhat.com
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2018-03-09 15:40:07 +01:00
Kevin Wolf
56ea7450aa qemu-iotests: Test ssh image creation over QMP
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
2018-03-09 15:17:48 +01:00
Kevin Wolf
39218a771a qemu-iotests: Test qcow2 over file image creation with QMP
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
2018-03-09 15:17:48 +01:00
Kevin Wolf
b76b4f6045 qcow2: Use visitor for options in qcow2_create()
Instead of manually creating the BlockdevCreateOptions object, use a
visitor to parse the given options into the QAPI object.

This involves translation from the old command line syntax to the syntax
mandated by the QAPI schema. Option names are still checked against
qcow2_create_opts, so only the old option names are allowed on the
command line, even if they are translated in qcow2_create().

In contrast, new option values are optionally recognised besides the old
values: 'compat' accepts 'v2'/'v3' as an alias for '0.10'/'1.1', and
'encrypt.format' accepts 'qcow' as an alias for 'aes' now.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2018-03-09 15:17:47 +01:00
Kevin Wolf
bcebf102cc qdict: Introduce qdict_rename_keys()
A few block drivers will need to rename .bdrv_create options for their
QAPIfication, so let's have a helper function for that.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2018-03-09 15:17:47 +01:00
Kevin Wolf
37974a97d4 test-qemu-opts: Test qemu_opts_to_qdict_filtered()
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
2018-03-09 15:17:47 +01:00
Kevin Wolf
575ef8bff6 test-qemu-opts: Test qemu_opts_append()
Basic test for merging two QemuOptsLists.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
2018-03-09 15:17:47 +01:00
Alberto Garcia
0c2ada8136 qcow2: Make qemu-img check detect corrupted L1 tables in snapshots
'qemu-img check' cannot detect if a snapshot's L1 table is corrupted.
This patch checks the table's offset and size and reports corruption
if the values are not valid.

This patch doesn't add code to fix that corruption yet, only to detect
and report it.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-03-09 15:17:47 +01:00
Alberto Garcia
db5794f1f1 qcow2: Check snapshot L1 table in qcow2_snapshot_delete()
This function deletes a snapshot from disk, removing its entry from
the snapshot table, freeing its L1 table and decreasing the refcounts
of all clusters.

The L1 table offset and size are however not validated. If we use
invalid values in this function we'll probably corrupt the image even
more, so we should return an error instead.

We now have a function to take care of this, so let's use it.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-03-09 15:17:47 +01:00
Alberto Garcia
a8475d7573 qcow2: Check snapshot L1 table in qcow2_snapshot_goto()
This function copies a snapshot's L1 table into the active one without
validating it first.

We now have a function to take care of this, so let's use it.

Cc: Eric Blake <eblake@redhat.com>
Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-03-09 15:17:47 +01:00
Alberto Garcia
c7a9d81d70 qcow2: Check snapshot L1 tables in qcow2_check_metadata_overlap()
The inactive-l2 overlap check iterates uses the L1 tables from all
snapshots, but it does not validate them first.

We now have a function to take care of this, so let's use it.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-03-09 15:17:47 +01:00
Alberto Garcia
c9a442e450 qcow2: Check L1 table parameters in qcow2_expand_zero_clusters()
This function iterates over all snapshots of a qcow2 file in order to
expand all zero clusters, but it does not validate the snapshots' L1
tables first.

We now have a function to take care of this, so let's use it.

We can also take the opportunity to replace the sector-based
bdrv_read() with bdrv_pread().

Cc: Eric Blake <eblake@redhat.com>
Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-03-09 15:17:47 +01:00
Alberto Garcia
314e8d3928 qcow2: Check L1 table offset in qcow2_snapshot_load_tmp()
This function checks that the size of a snapshot's L1 table is not too
large, but it doesn't validate the offset.

We now have a function to take care of this, so let's use it.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-03-09 15:17:47 +01:00
Alberto Garcia
0cf0e5980b qcow2: Generalize validate_table_offset() into qcow2_validate_table()
This function checks that the offset and size of a table are valid.

While the offset checks are fine, the size check is too generic, since
it only verifies that the total size in bytes fits in a 64-bit
integer. In practice all tables used in qcow2 have much smaller size
limits, so the size needs to be checked again for each table using its
actual limit.

This patch generalizes this function by allowing the caller to specify
the maximum size for that table. In addition to that it allows passing
an Error variable.

The function is also renamed and made public since we're going to use
it in other parts of the code.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-03-09 15:17:47 +01:00
Peter Maydell
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Merge remote-tracking branch 'remotes/berrange/tags/qio-next-pull-request' into staging

# gpg: Signature made Wed 07 Mar 2018 11:24:41 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/qio-next-pull-request:
  qio: non-default context for TLS handshake
  qio: non-default context for async conn
  qio: non-default context for threaded qtask
  qio: store gsources for net listeners
  qio: introduce qio_channel_add_watch_{full|source}
  qio: rename qio_task_thread_result

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-08 11:26:14 +00:00
Marc-André Lureau
26b97f2664 sdhci-test: fix leaks
Fix the following ASAN reports:

==20125==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 24 byte(s) in 1 object(s) allocated from:
    #0 0x7f0faea03a38 in __interceptor_calloc (/lib64/libasan.so.4+0xdea38)
    #1 0x7f0fae450f75 in g_malloc0 ../glib/gmem.c:124
    #2 0x562fffd526fc in machine_start /home/elmarco/src/qemu/tests/sdhci-test.c:180

Indirect leak of 152 byte(s) in 1 object(s) allocated from:
    #0 0x7f0faea03850 in malloc (/lib64/libasan.so.4+0xde850)
    #1 0x7f0fae450f0c in g_malloc ../glib/gmem.c:94
    #2 0x562fffd5d21d in qpci_init_pc /home/elmarco/src/qemu/tests/libqos/pci-pc.c:122

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180215212552.26997-7-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-03-06 14:01:27 +01:00
Marc-André Lureau
0fd76bc51b ahci-test: fix opts leak of skip tests
Fixes the following ASAN report:

Direct leak of 128 byte(s) in 8 object(s) allocated from:
    #0 0x7fefce311850 in malloc (/lib64/libasan.so.4+0xde850)
    #1 0x7fefcdd5ef0c in g_malloc ../glib/gmem.c:94
    #2 0x559b976faff0 in create_ahci_io_test /home/elmarco/src/qemu/tests/ahci-test.c:1810

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180215212552.26997-6-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-03-06 14:01:27 +01:00
Thomas Huth
1454509726 scsi: Remove automatic creation of SCSI controllers with -drive if=scsi
Automatic creation of SCSI controllers for "-drive if=scsi" for x86
machines was quite a bad idea (see description of commit f778a82f0c
for details). This is marked as deprecated since QEMU v2.9.0, and as
far as I know, nobody complained that this is still urgently required
anymore. Time to remove this now.

Suggested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1519123357-13225-1-git-send-email-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-03-06 14:00:59 +01:00
Peter Maydell
58e2e17dba 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 05 Mar 2018 17:45:51 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: (38 commits)
  block: Fix NULL dereference on empty drive error
  qcow2: Replace align_offset() with ROUND_UP()
  block/ssh: Add basic .bdrv_truncate()
  block/ssh: Make ssh_grow_file() blocking
  block/ssh: Pull ssh_grow_file() from ssh_create()
  qemu-img: Make resize error message more general
  qcow2: make qcow2_co_create2() a coroutine_fn
  block: rename .bdrv_create() to .bdrv_co_create_opts()
  Revert "IDE: Do not flush empty CDROM drives"
  block: test blk_aio_flush() with blk->root == NULL
  block: add BlockBackend->in_flight counter
  block: extract AIO_WAIT_WHILE() from BlockDriverState
  aio: rename aio_context_in_iothread() to in_aio_context_home_thread()
  docs: document how to use the l2-cache-entry-size parameter
  specs/qcow2: Fix documentation of the compressed cluster descriptor
  iotest 033: add misaligned write-zeroes test via truncate
  block: fix write with zero flag set and iovector provided
  block: Drop unused .bdrv_co_get_block_status()
  vvfat: Switch to .bdrv_co_block_status()
  vpc: Switch to .bdrv_co_block_status()
  ...

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

# Conflicts:
#	include/block/block.h
2018-03-06 11:20:44 +00:00
Peter Xu
1939ccdaa6 qio: non-default context for TLS handshake
A new parameter "context" is added to qio_channel_tls_handshake() is to
allow the TLS to be run on a non-default context.  Still, no functional
change.

Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2018-03-06 10:19:07 +00:00
Peter Xu
8005fdd8fa qio: non-default context for async conn
We have worked on qio_task_run_in_thread() already.  Further, let
all the qio channel APIs use that context.

Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2018-03-06 10:19:06 +00:00
Peter Xu
a17536c594 qio: non-default context for threaded qtask
qio_task_run_in_thread() allows main thread to run blocking operations
in the background. However it has an assumption on that it's always
working with the default context. This patch tries to allow the threaded
QIO task framework to run with non-default gcontext.

Currently no functional change so far, so the QIOTasks are still always
running on main context.

Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2018-03-06 10:19:05 +00:00
Peter Maydell
f2bb2d14c2 Pull request
Mostly patches that are only indirectly related to the block layer, but I've
 reviewed them and there is no maintainer.
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Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging

Pull request

Mostly patches that are only indirectly related to the block layer, but I've
reviewed them and there is no maintainer.

# gpg: Signature made Mon 05 Mar 2018 09:39:50 GMT
# gpg:                using RSA key 9CA4ABB381AB73C8
# 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:
  README: Document 'git-publish' workflow
  Add a git-publish configuration file
  tests/libqos: Check for valid dev pointer when looking for PCI devices
  util/uri.c: wrap single statement blocks with braces {}
  util/uri.c: remove brackets that wrap `return` statement's content.
  util/uri.c: Coding style check, Only whitespace involved

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-05 16:41:20 +00:00
Peter Maydell
41dfc0dc55 -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
 
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Merge remote-tracking branch 'remotes/jasowang/tags/net-pull-request' into staging

# gpg: Signature made Mon 05 Mar 2018 03:06:59 GMT
# gpg:                using RSA key EF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 215D 46F4 8246 689E C77F  3562 EF04 965B 398D 6211

* remotes/jasowang/tags/net-pull-request:
  tap: setting error appropriately when calling net_init_tap_one()
  hw/net: Remove unnecessary header includes
  net: Add a new convenience option "--nic" to configure default/on-board NICs
  net: Remove the deprecated 'host_net_add' and 'host_net_remove' HMP commands
  net: Remove the deprecated way of dumping network packets
  net: Make net_client_init() static
  net: Only show vhost-user in the help text if CONFIG_POSIX is defined
  net: List available netdevs with "-netdev help"
  net: Move error reporting from net_init_client/netdev to the calling site

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-05 14:27:24 +00:00
Thomas Huth
bb37a2c0b5 tests/libqos: Check for valid dev pointer when looking for PCI devices
dev could be NULL if the PCI device can not be found due to some
reasons, so we must not dereference the pointer in this case.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-id: 1519713884-2346-1-git-send-email-thuth@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2018-03-05 09:03:17 +00:00
Thomas Huth
7cc28cb061 net: Remove the deprecated 'host_net_add' and 'host_net_remove' HMP commands
They are deprecated since QEMU v2.10, and so far nobody complained that
these commands are still necessary for any reason - and since you can use
'netdev_add' and 'netdev_remove' instead, there also should not be any
real reason. Since they are also standing in the way for the upcoming
'vlan' clean-up, it's now time to remove them.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2018-03-05 10:30:15 +08:00
Markus Armbruster
eb815e248f qapi: Move qapi-schema.json to qapi/, rename generated files
Move qapi-schema.json to qapi/, so it's next to its modules, and all
files get generated to qapi/, not just the ones generated for modules.

Consistently name the generated files qapi-MODULE.EXT:
qmp-commands.[ch] become qapi-commands.[ch], qapi-event.[ch] become
qapi-events.[ch], and qmp-introspect.[ch] become qapi-introspect.[ch].
This gets rid of the temporary hacks in scripts/qapi/commands.py,
scripts/qapi/events.py, and scripts/qapi/common.py.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20180211093607.27351-28-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
[eblake: Fix trailing dot in tpm.c, undo temporary hack for OSX toolchain]
Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-02 13:45:57 -06:00
Markus Armbruster
112ed241f5 qapi: Empty out qapi-schema.json
The previous commit improved compile time by including less of the
generated QAPI headers.  This is impossible for stuff defined directly
in qapi-schema.json, because that ends up in headers that that pull in
everything.

Move everything but include directives from qapi-schema.json to new
sub-module qapi/misc.json, then include just the "misc" shard where
possible.

It's possible everywhere, except:

* monitor.c needs qmp-command.h to get qmp_init_marshal()

* monitor.c, ui/vnc.c and the generated qapi-event-FOO.c need
  qapi-event.h to get enum QAPIEvent

Perhaps we'll get rid of those some other day.

Adding a type to qapi/migration.json now recompiles some 120 instead
of 2300 out of 5100 objects.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20180211093607.27351-25-armbru@redhat.com>
[eblake: rebase to master]
Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-02 13:45:50 -06:00
Markus Armbruster
9af2398977 Include less of the generated modular QAPI headers
In my "build everything" tree, a change to the types in
qapi-schema.json triggers a recompile of about 4800 out of 5100
objects.

The previous commit split up qmp-commands.h, qmp-event.h, qmp-visit.h,
qapi-types.h.  Each of these headers still includes all its shards.
Reduce compile time by including just the shards we actually need.

To illustrate the benefits: adding a type to qapi/migration.json now
recompiles some 2300 instead of 4800 objects.  The next commit will
improve it further.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20180211093607.27351-24-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
[eblake: rebase to master]
Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-02 13:45:50 -06:00
Markus Armbruster
834a3f3498 qapi: Rename generated qmp-marshal.c to qmp-commands.c
All generated .c are named like their .h, except for qmp-marshal.c and
qmp-commands.h.  To add to the confusion, tests-qmp-commands.c falsely
matches generated test-qmp-commands.h.

Get rid of this unnecessary complication.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20180211093607.27351-19-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-02 13:14:10 -06:00
Markus Armbruster
cf40a0a5c2 qapi: Record 'include' directives in intermediate representation
The include directive permits modular QAPI schemata, but the generated
code is monolithic all the same.  To permit generating modular code,
the front end needs to pass more information on inclusions to the back
ends.  The commit before last added the necessary information to the
parse tree.  This commit adds it to the intermediate representation
and its QAPISchemaVisitor.  A later commit will use this to to
generate modular code.

New entity QAPISchemaInclude represents inclusions.  Call new visitor
method visit_include() for it, so visitors can see the sub-modules a
module includes.

Note that unlike other entities, QAPISchemaInclude has no name, and is
therefore not added to entity_dict.

New QAPISchemaEntity attribute @module names the entity's source file.
Call new visitor method visit_module() when it changes during a visit,
so visitors can keep track of the module being visited.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180211093607.27351-18-armbru@redhat.com>
[eblake: avoid accidental deletion of self._predefining]
Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-02 13:14:10 -06:00
Markus Armbruster
8a84767cc4 qapi: Generate in source order
The generators' conversion to visitors (merge commit 9e72681d16)
changed the processing order of entities from source order to
alphabetical order.  The next commit needs source order, so change it
back.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180211093607.27351-17-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-02 13:14:10 -06:00
Markus Armbruster
181feaf355 qapi: Lift error reporting from QAPISchema.__init__() to callers
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180211093607.27351-14-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-02 13:14:09 -06:00
Markus Armbruster
af97502ce9 qapi: Improve include file name reporting in error messages
Error messages print absolute file names of included files even if the
user gave a relative one on the command line:

    $ PYTHONPATH=scripts python -B tests/qapi-schema/test-qapi.py tests/qapi-schema/include-cycle.json
    In file included from tests/qapi-schema/include-cycle.json:1:
    In file included from /work/armbru/qemu/tests/qapi-schema/include-cycle-b.json:1:
    /work/armbru/qemu/tests/qapi-schema/include-cycle-c.json:1: Inclusion loop for include-cycle.json

Improve this to

    In file included from tests/qapi-schema/include-cycle.json:1:
    In file included from tests/qapi-schema/include-cycle-b.json:1:
    tests/qapi-schema/include-cycle-c.json:1: Inclusion loop for include-cycle.json

The error message when an include file can't be opened prints the
include directive's file name, which is relative to the including
file.  Change this to print the file name relative to the working
directory.  Visible in tests/qapi-schema/include-no-file.err.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180211093607.27351-12-armbru@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-02 13:14:09 -06:00
Markus Armbruster
fb0bc835e5 qapi-gen: New common driver for code and doc generators
Whenever qapi-schema.json changes, we run six programs eleven times to
update eleven files.  Similar for qga/qapi-schema.json.  This is
silly.  Replace the six programs by a single program that spits out
all eleven files.

The programs become modules in new Python package qapi, along with the
helper library.  This requires moving them to scripts/qapi/.  While
moving them, consistently drop executable mode bits.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180211093607.27351-9-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
[eblake: move change to one-line 'blurb' earlier in series, mention mode
bit change as intentional, update qapi-code-gen.txt to match actual
generated events.c file]
Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-02 13:14:09 -06:00
Markus Armbruster
c263de3f41 qapi: Streamline boilerplate comment generation
Every generator has separate boilerplate for .h and .c, and their
differences are boring.  All of them repeat the license note.

Reduce the repetition as follows.  Move common text like the license
note to common open_output(), next to the existing common text there.
For each generator, replace the two separate descriptions by a single
one.

While there, emit an "automatically generated" note into generated
documentation, too.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180211093607.27351-3-armbru@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
2018-03-02 13:14:08 -06:00
Kevin Wolf
ad0df3e0fd block: test blk_aio_flush() with blk->root == NULL
This patch adds test cases for the scenario where blk_aio_flush() is
called on a BlockBackend with no root.  Calling drain afterwards should
complete the requests with -ENOMEDIUM.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-03-02 18:39:07 +01:00
Anton Nefedov
afe35cde6c iotest 033: add misaligned write-zeroes test via truncate
This new test case only makes sense for qcow2 while iotest 033 is generic;
however it matches the test purpose perfectly and also 033 contains those
do_test() tricks to pass the alignment, which won't look nice being
duplicated in other tests or moved to the common code.

Signed-off-by: Anton Nefedov <anton.nefedov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2018-03-02 18:39:07 +01:00
Peter Maydell
5116c331c6 Merge tpm 2018/02/21 v2
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Merge remote-tracking branch 'remotes/stefanberger/tags/pull-tpm-2018-02-21-2' into staging

Merge tpm 2018/02/21 v2

# gpg: Signature made Tue 27 Feb 2018 13:50:28 GMT
# gpg:                using RSA key 75AD65802A0B4211
# gpg: Good signature from "Stefan Berger <stefanb@linux.vnet.ibm.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: B818 B9CA DF90 89C2 D5CE  C66B 75AD 6580 2A0B 4211

* remotes/stefanberger/tags/pull-tpm-2018-02-21-2:
  tests: add test for TPM TIS device
  tests: Move common TPM test code into tpm-emu.c

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2018-03-01 10:13:21 +00:00
Richard Henderson
568ae7efae scripts: Add decodetree.py
To be used to decode ARM SVE, but could be used for any fixed-width ISA.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2018-02-22 15:44:07 -08:00
Stefan Berger
adb0e917e6 tests: add test for TPM TIS device
Move the TPM TIS related register and flag #defines into
include/hw/acpi/tpm.h for access by the test case.

Write a test case that covers the TIS functionality.

Add the tests cases to the MAINTAINERS file.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2018-02-21 07:24:50 -05:00