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8 years agovmdk: Use BdrvChild instead of BDS for references to extents
Kevin Wolf [Mon, 15 Jun 2015 11:50:20 +0000 (13:50 +0200)]
vmdk: Use BdrvChild instead of BDS for references to extents

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
8 years agoblock: Introduce BDS.file_child
Kevin Wolf [Mon, 15 Jun 2015 12:11:51 +0000 (14:11 +0200)]
block: Introduce BDS.file_child

Store the BdrvChild for bs->file. At this point, bs->file_child->bs just
duplicates the bs->file pointer. Later, it will completely replace it.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
8 years agoblock: qemu-iotests - fix vmdk test 059.out
Jeff Cody [Tue, 13 Oct 2015 00:18:07 +0000 (20:18 -0400)]
block: qemu-iotests - fix vmdk test 059.out

In commit fe646693acc13ac48b98435d14149ab04dc597bc, the option
printout format changed.

This updates the VMDK test 059.out to the correct output.

Signed-off-by: Jeff Cody <jcody@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
8 years agoqmp-commands.hx: Update the supported 'transaction' operations
Kashyap Chamarthy [Fri, 2 Oct 2015 12:12:34 +0000 (14:12 +0200)]
qmp-commands.hx: Update the supported 'transaction' operations

Although the canonical source of reference for QMP commands is
qapi-schema.json, for consistency's sake, update qmp-commands.hx to
state the list of supported transactionable operations, namely:

    drive-backup
    blockdev-backup
    blockdev-snapshot-internal-sync
    abort
    block-dirty-bitmap-add
    block-dirty-bitmap-clear

Also update the possible values for the "type" action array.

Signed-off-by: Kashyap Chamarthy <kchamart@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
8 years agothrottle: test that snapshots move the throttling configuration
Alberto Garcia [Thu, 17 Sep 2015 14:33:06 +0000 (17:33 +0300)]
throttle: test that snapshots move the throttling configuration

If a snapshot is performed on a device that has I/O limits they should
be moved to the target image (the new active layer).

Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
8 years agoiotests: disable core dumps in test 061
Alberto Garcia [Mon, 28 Sep 2015 14:23:00 +0000 (17:23 +0300)]
iotests: disable core dumps in test 061

Commit 934659c460 disabled the supression of segmentation faults in
bash tests. The new output of test 061, however, assumes that a core
dump will be produced if a program aborts. This is not necessarily the
case because core dumps can be disabled using ulimit.

Since we cannot guarantee that abort() will produce a core dump, we
should use SIGKILL instead (that does not produce any) and update the
test output accordingly.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
8 years agoMerge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2015-10-12' into staging
Peter Maydell [Tue, 13 Oct 2015 09:42:06 +0000 (10:42 +0100)]
Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2015-10-12' into staging

QAPI patches

# gpg: Signature made Mon 12 Oct 2015 18:56:35 BST using RSA key ID EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>"

* remotes/armbru/tags/pull-qapi-2015-10-12:
  qapi: Simplify gen_visit_fields() error handling
  qapi: Share gen_visit_fields()
  qapi: Share gen_err_check()
  qapi: Consistent generated code: minimize push_indent() usage
  qapi: Consistent generated code: prefer common indentation
  qapi: Consistent generated code: prefer common labels
  qapi: Consistent generated code: prefer visitor 'v'
  qapi: Consistent generated code: prefer error 'err'
  qapi: Reuse code for flat union base validation
  qapi: Test use of 'number' within alternates
  qapi: Add tests for empty unions
  qapi: Avoid assertion failure on union 'type' collision
  qapi: Test for various name collisions
  qapi: Clean up qapi.py per pep8
  qapi: Invoke exception superclass initializer
  qapi: Improve 'include' error message
  qapi: Sort qapi-schema tests
  MAINTAINERS: Specify QAPI include and test files
  MAINTAINERS: Specify QObject include and test files
  docs: Move files from docs/qmp/ to docs/

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
8 years agoqapi: Simplify gen_visit_fields() error handling
Eric Blake [Tue, 29 Sep 2015 22:21:15 +0000 (16:21 -0600)]
qapi: Simplify gen_visit_fields() error handling

Since we have consolidated all generated code to use 'err' as
the name of the local variable for error detection, we can
simplify the decision on whether to skip error detection (useful
for deallocation paths) to be a boolean.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1443565276-4535-18-git-send-email-eblake@redhat.com>
[Change to gen_visit_fields() simplified]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
8 years agoqapi: Share gen_visit_fields()
Eric Blake [Tue, 29 Sep 2015 22:21:14 +0000 (16:21 -0600)]
qapi: Share gen_visit_fields()

Consolidate the code between visit, command marshalling, and
event generation that iterates over the members of a struct.
It reduces code duplication in the generator, so that a future
patch can reduce the size of generated code while touching only
one instead of three locations.

There are no changes to the generated marshal code.

The visitor code becomes slightly more verbose, but remains
semantically equivalent, and is actually easier to read as
it follows a more common idiom:

|     visit_optional(v, &(*obj)->has_device, "device", &err);
|-    if (!err && (*obj)->has_device) {
|-        visit_type_str(v, &(*obj)->device, "device", &err);
|-    }
|     if (err) {
|         goto out;
|     }
|+    if ((*obj)->has_device) {
|+        visit_type_str(v, &(*obj)->device, "device", &err);
|+        if (err) {
|+            goto out;
|+        }
|+    }

The event code becomes slightly more verbose, but this is
arguably a bug fix: although the visitors are not well
documented, use of an optional member should not be attempted
unless guarded by a prior call to visit_optional().  Works only
because the output qmp visitor has a no-op visit_optional():

|+    visit_optional(v, &has_offset, "offset", &err);
|+    if (err) {
|+        goto out;
|+    }
|     if (has_offset) {
|         visit_type_int(v, &offset, "offset", &err);

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1443565276-4535-17-git-send-email-eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
8 years agoqapi: Share gen_err_check()
Eric Blake [Tue, 29 Sep 2015 22:21:13 +0000 (16:21 -0600)]
qapi: Share gen_err_check()

qapi-commands has a nice helper gen_err_check(), but did not
use it everywhere. In fact, using it in more places makes it
easier to reduce the lines of code used for generating error
checks.  This in turn will make it easier for later patches
to consolidate another common pattern among the generators.

The generated code has fewer blank lines in qapi-event.c functions,
but has no semantic difference.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1443565276-4535-16-git-send-email-eblake@redhat.com>
[Drop another blank line for symmetry]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
8 years agoqapi: Consistent generated code: minimize push_indent() usage
Eric Blake [Tue, 29 Sep 2015 22:21:12 +0000 (16:21 -0600)]
qapi: Consistent generated code: minimize push_indent() usage

We had some pointless differences in the generated code for visit,
command marshalling, and events; unifying them makes it easier for
future patches to consolidate to common helper functions.
This is one patch of a series to clean up these differences.

This patch reduces the number of push_indent()/pop_indent() pairs
so that generated code is typically already at its natural output
indentation in the python files.  It is easier to reason about
generated code if the reader does not have to track how much
spacing will be inserted alongside the code, and moreso when all
of the generators use the same patterns (qapi-type and qapi-event
were already using in-place indentation).

Arguably, the resulting python may be a bit harder to read with C
code at the same indentation as python; on the other hand, not
having to think about push_indent() is a win, and most decent
editors provide syntax highlighting that makes it easier to
visually distinguish python code from string literals that will
become C code.

There is no change to the generated output.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1443565276-4535-15-git-send-email-eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
8 years agoqapi: Consistent generated code: prefer common indentation
Eric Blake [Tue, 29 Sep 2015 22:21:11 +0000 (16:21 -0600)]
qapi: Consistent generated code: prefer common indentation

We had some pointless differences in the generated code for visit,
command marshalling, and events; unifying them makes it easier for
future patches to consolidate to common helper functions.
This is one patch of a series to clean up these differences.

This patch adjusts gen_visit_union() to use the same indentation
as other functions, namely, by jumping early to the error label
if the object was not set rather than placing the rest of the
body inside an if for when it is set.

No change in semantics to the generated code.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1443565276-4535-14-git-send-email-eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
8 years agoqapi: Consistent generated code: prefer common labels
Eric Blake [Tue, 29 Sep 2015 22:21:10 +0000 (16:21 -0600)]
qapi: Consistent generated code: prefer common labels

We had some pointless differences in the generated code for visit,
command marshalling, and events; unifying them makes it easier for
future patches to consolidate to common helper functions.
This is one patch of a series to clean up these differences.

This patch names the goto labels 'out' (not 'clean') and 'out_obj'
(not 'out_end').  Additionally, the generator was inconsistent on
whether labels had a leading space [our HACKING is silent; while
emacs 'gnu' style adds the space to avoid littering column 1].
For minimal churn, prefer no leading space; this also matches
the style that is more prevalent in current qemu.git.

No change in semantics to the generated code.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1443565276-4535-13-git-send-email-eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
8 years agoqapi: Consistent generated code: prefer visitor 'v'
Eric Blake [Tue, 29 Sep 2015 22:21:09 +0000 (16:21 -0600)]
qapi: Consistent generated code: prefer visitor 'v'

We had some pointless differences in the generated code for visit,
command marshalling, and events; unifying them makes it easier for
future patches to consolidate to common helper functions.
This is one patch of a series to clean up these differences.

This patch names the local visitor variable 'v' rather than 'm'.
Related objects, such as 'QapiDeallocVisitor', are also named by
their initials instead of an unrelated leading m.

No change in semantics to the generated code.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1443565276-4535-12-git-send-email-eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
8 years agoqapi: Consistent generated code: prefer error 'err'
Eric Blake [Tue, 29 Sep 2015 22:21:08 +0000 (16:21 -0600)]
qapi: Consistent generated code: prefer error 'err'

We had some pointless differences in the generated code for visit,
command marshalling, and events; unifying them makes it easier for
future patches to consolidate to common helper functions.
This is one patch of a series to clean up these differences.

This patch consistently names the local error variable 'err' rather
than 'local_err'.

No change in semantics to the generated code.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1443565276-4535-11-git-send-email-eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
8 years agoqapi: Reuse code for flat union base validation
Eric Blake [Tue, 29 Sep 2015 22:21:07 +0000 (16:21 -0600)]
qapi: Reuse code for flat union base validation

Rather than open-code the check for a valid base type, we
should reuse the common functionality. This allows for
consistent error messages, and also makes it easier for a
later patch to turn on support for inline anonymous base
structures.

Test flat-union-inline is updated to test only one feature
(anonymous branch dictionaries), which can be implemented
independently (test flat-union-bad-base already covers the
idea of an anonymous base dictionary).

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1443565276-4535-10-git-send-email-eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
8 years agoqapi: Test use of 'number' within alternates
Eric Blake [Tue, 29 Sep 2015 22:21:06 +0000 (16:21 -0600)]
qapi: Test use of 'number' within alternates

Add some testsuite exposure for use of a 'number' as part of
an alternate.  The current state of the tree has a few bugs
exposed by this: our input parser depends on the ordering of
how the qapi schema declared the alternate, and the parser
does not accept integers for a 'number' in an alternate even
though it does for numbers outside of an alternate.

Mixing 'int' and 'number' in the same alternate is unusual,
since both are supplied by json-numbers, but there does not
seem to be a technical reason to forbid it given that our
json lexer distinguishes between json-numbers that can be
represented as an int vs. those that cannot.

Improve the existing test_visitor_in_alternate() to match the
style of the new test_visitor_in_alternate_number(), and to
ensure full coverage of all possible qtype parsing.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1443565276-4535-9-git-send-email-eblake@redhat.com>
[Eric's follow-up fixes squashed in]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
8 years agoqapi: Add tests for empty unions
Eric Blake [Tue, 29 Sep 2015 22:21:05 +0000 (16:21 -0600)]
qapi: Add tests for empty unions

The documentation claims that alternates are useful for
allowing two or more types, although nothing enforces this.
Meanwhile, it is silent on whether empty unions are allowed.
In practice, the generated code will compile, in part because
we have a 'void *data' branch; but attempting to visit such a
type will cause an abort().  While there's no technical reason
that a degenerate union could not be made to work, it's harder
to justify the time spent in chasing known (the current
abort() during visit) and unknown corner cases, than it would
be to just outlaw them.  A future patch will probably take the
approach of forbidding them; in the meantime, we can at least
add testsuite coverage to make it obvious where things stand.

In addition to adding tests to expose the problems, we also
need to adjust existing tests that are meant to test something
else, but which could fail for the wrong reason if we reject
degenerate alternates/unions.

Note that empty structs are explicitly supported (for example,
right now they are the only way to specify that one branch of a
flat union adds no additional members), and empty enums are
covered by the testsuite as working (even if they do not seem
to have much use).

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1443565276-4535-8-git-send-email-eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
8 years agoqapi: Avoid assertion failure on union 'type' collision
Eric Blake [Tue, 29 Sep 2015 22:21:04 +0000 (16:21 -0600)]
qapi: Avoid assertion failure on union 'type' collision

The previous commit added two tests that triggered an assertion
failure. It's fairly straightforward to avoid the failure by
just outright forbidding the collision between a union's tag
values and its discriminator name (including the implicit name
'kind' supplied for simple unions [*]).  Ultimately, we'd like
to move the collision detection into QAPISchema*.check(), but
for now it is easier just to enhance the existing checks.

[*] Of course, down the road, we have plans to rename the simple
union tag name to 'type' to match the QMP wire name, but the
idea of the collision will still be present even then.

Technically, we could avoid the collision by naming the C union
members representing each enum value as '_case_value' rather
than 'value'; but until we have an actual qapi client (and not
just our testsuite) that has a legitimate reason to match a
case label to the name of a QMP key and needs the name munging
to satisfy the compiler, it's easier to just reject the qapi
as invalid.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1443565276-4535-7-git-send-email-eblake@redhat.com>
[Polished a few comments]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
8 years agoqapi: Test for various name collisions
Eric Blake [Tue, 29 Sep 2015 22:21:03 +0000 (16:21 -0600)]
qapi: Test for various name collisions

Expose some weaknesses in the generator: we don't always forbid
the generation of structs that contain multiple members that map
to the same C or QMP name.  This has already been marked FIXME in
qapi.py in commit d90675f, but having more tests will make sure
future patches produce desired behavior; and updating existing
patches to better document things doesn't hurt, either.  Some of
these collisions are already caught in the old-style parser
checks, but ultimately we want all collisions to be caught in the
new-style QAPISchema*.check() methods.

This patch focuses on C struct members, and does not consider
collisions between commands and events (affecting C function
names), or even collisions between generated C type names with
user type names (for things like automatic FOOList struct
representing array types or FOOKind for an implicit enum).

There are two types of struct collisions we want to catch:
 1) Collision between two keys in a JSON object. qapi.py prevents
    that within a single struct (see test duplicate-key), but it is
    possible to have collisions between a type's members and its
    base type's members (existing tests struct-base-clash,
    struct-base-clash-deep), and its flat union variant members
    (renamed test flat-union-clash-member).
 2) Collision between two members of the C struct that is generated
    for a given QAPI type:
    a) Multiple QAPI names map to the same C name (new test
       args-name-clash)
    b) A QAPI name maps to a C name that is used for another purpose
       (new tests flat-union-clash-branch, struct-base-clash-base,
       union-clash-data). We already fixed some such cases in commit
       0f61af3e and 1e6c1616, but more remain.
    c) Two C names generated for other purposes clash
       (updated test alternate-clash, new test union-clash-branches,
       union-clash-type, flat-union-clash-type)

Ultimately, if we need to have a flat union where a tag value
clashes with a base member name, we could change the generator to
name the union (using 'foo.u.value' rather than 'foo.value') or
otherwise munge the C name corresponding to tag values.  But
unless such a need arises, it will probably be easier to just
forbid these collisions.

Some of these negative tests will be deleted later, and positive
tests added to qapi-schema-test.json in their place, when the
generator code is reworked to avoid particular code generation
collisions in class 2).

[Note that viewing this patch with git rename detection enabled
may see some confusion due to renaming some tests while adding
others, but where the content is similar enough that git picks
the wrong pre- and post-patch files to associate]

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1443565276-4535-6-git-send-email-eblake@redhat.com>
[Improve commit message and comments a bit, drop an unrelated test]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
8 years agoqapi: Clean up qapi.py per pep8
Eric Blake [Tue, 29 Sep 2015 22:21:02 +0000 (16:21 -0600)]
qapi: Clean up qapi.py per pep8

Silence pep8, and make pylint a bit happier.  Just style cleanups,
plus killing a useless comment in camel_to_upper(); no semantic
changes.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1443565276-4535-5-git-send-email-eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
8 years agoqapi: Invoke exception superclass initializer
Eric Blake [Tue, 29 Sep 2015 22:21:01 +0000 (16:21 -0600)]
qapi: Invoke exception superclass initializer

pylint recommends that every exception class should explicitly
invoke the superclass __init__, even though things seem to work
fine without it.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1443565276-4535-4-git-send-email-eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
8 years agoqapi: Improve 'include' error message
Eric Blake [Tue, 29 Sep 2015 22:21:00 +0000 (16:21 -0600)]
qapi: Improve 'include' error message

Use of '"...%s" % include' to print non-strings can lead to
ugly messages, such as this (if the .json change is applied
without the qapi.py change):
 Expected a file name (string), got: OrderedDict()

Better is to just omit the actual non-string value in the
message.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1443565276-4535-3-git-send-email-eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
8 years agoqapi: Sort qapi-schema tests
Eric Blake [Tue, 29 Sep 2015 22:20:59 +0000 (16:20 -0600)]
qapi: Sort qapi-schema tests

Recent changes to qapi have provided quite a bit of churn in
the makefile, because we are inconsistent on what order test
names appear in, and on whether to re-wrap the list of tests or
just add arbitrary line lengths.  Writing the list in a sorted
fashion, one test per line, will make future patches easier
to see what tests are being added or removed by a patch.

Although it is tempting to use $(wildcard qapi-schema/*.json)
for a more compact listing, such an approach would risk picking
up leftover garbage .json files in the directory; so keeping
the list explicit is safer for ensuring reproducible tarballs
and test results.

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1443565276-4535-2-git-send-email-eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
8 years agoMAINTAINERS: Specify QAPI include and test files
Markus Armbruster [Thu, 24 Sep 2015 16:11:57 +0000 (18:11 +0200)]
MAINTAINERS: Specify QAPI include and test files

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1443111117-29831-4-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
8 years agoMAINTAINERS: Specify QObject include and test files
Markus Armbruster [Thu, 24 Sep 2015 16:11:56 +0000 (18:11 +0200)]
MAINTAINERS: Specify QObject include and test files

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1443111117-29831-3-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
8 years agodocs: Move files from docs/qmp/ to docs/
Markus Armbruster [Thu, 24 Sep 2015 16:11:55 +0000 (18:11 +0200)]
docs: Move files from docs/qmp/ to docs/

Giving QMP its own subdirectory in docs/ is hardly worthwhile when we
have just four files, and one of them isn't even in the subdirectory.
Move the files from docs/qmp/ to docs/, renaming docs/qmp/README to
docs/qmp-intro.

Update MAINTAINERS.  The new pattern also captures the fourth file
docs/writing-qmp-commands.txt.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1443111117-29831-2-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
8 years agoMerge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging
Peter Maydell [Mon, 12 Oct 2015 14:52:54 +0000 (15:52 +0100)]
Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging

Pull request

v2:
 * Fix virtio 16lx -> HWADDR_PRIx format specifier [Peter]

# gpg: Signature made Mon 12 Oct 2015 11:19:06 BST using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>"

* remotes/stefanha/tags/block-pull-request:
  sdhci.c: Limit the maximum block size
  block: switch from g_slice allocator to malloc
  virtio dataplane: adapt dataplane for virtio Version 1
  virtio-blk: use blk_io_plug/unplug for Linux AIO batching
  sdhci: Pass drive parameter to sdhci-pci via qdev property

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
8 years agoMerge remote-tracking branch 'remotes/jasowang/tags/net-pull-request' into staging
Peter Maydell [Mon, 12 Oct 2015 13:29:29 +0000 (14:29 +0100)]
Merge remote-tracking branch 'remotes/jasowang/tags/net-pull-request' into staging

# gpg: Signature made Mon 12 Oct 2015 08:56:47 BST using RSA key ID 398D6211
# 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:
  tests: add test cases for netfilter object
  netfilter: add a netbuffer filter
  net/queue: export qemu_net_queue_append_iov
  netfilter: print filter info associate with the netdev
  netfilter: add an API to pass the packet to next filter
  net/queue: introduce NetQueueDeliverFunc
  net: merge qemu_deliver_packet and qemu_deliver_packet_iov
  netfilter: hook packets before net queue send
  init/cleanup of netfilter object
  vl.c: init delayed object after net_init_clients
  vmxnet3: Add support for VMXNET3_CMD_GET_ADAPTIVE_RING_INFO command
  e1000: use alias for default model
  vmxnet3: Support reading IMR registers on bar0
  net/vmxnet3: Refine l2 header validation

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
8 years agosdhci.c: Limit the maximum block size
Alistair Francis [Tue, 6 Oct 2015 17:40:41 +0000 (10:40 -0700)]
sdhci.c: Limit the maximum block size

It is possible for the guest to set an invalid block
size which is larger then the fifo_buffer[] array. This
could cause a buffer overflow.

To avoid this limit the maximum size of the blksize variable.

Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Reported-by: Intel Security ATR <secure@intel.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Message-id: abe4c51f513290bbb85d1ee271cb1a3d463d7561.1444067470.git.alistair.francis@xilinx.com
Suggested-by: Igor Mitsyanko <i.mitsyanko@gmail.com>
Reported-by: Intel Security ATR <secure@intel.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
8 years agoblock: switch from g_slice allocator to malloc
Paolo Bonzini [Thu, 1 Oct 2015 11:04:39 +0000 (13:04 +0200)]
block: switch from g_slice allocator to malloc

Simplify memory allocation by sticking with a single API.  GSlice
is not that fast anyway (tcmalloc/jemalloc are better).

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
8 years agovirtio dataplane: adapt dataplane for virtio Version 1
Pierre Morel [Mon, 7 Sep 2015 11:33:56 +0000 (13:33 +0200)]
virtio dataplane: adapt dataplane for virtio Version 1

Let dataplane allocate different region for the desc/avail/used
ring regions.
Take VIRTIO_RING_F_EVENT_IDX into account to increase the used/avail
rings accordingly.

[Fix 32-bit builds by changing 16lx format specifier to HWADDR_PRIx.
--Stefan]

Signed-off-by: Pierre Morel <pmorel@linux.vnet.ibm.com>
Tested-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Message-id: 1441625636-23773-1-git-send-email-pmorel@linux.vnet.ibm.com
(changed __virtio16 into uint16_t,
 map descriptor table and available ring read-only)
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
8 years agoMerge remote-tracking branch 'remotes/armbru/tags/pull-monitor-2015-10-09' into staging
Peter Maydell [Mon, 12 Oct 2015 10:07:38 +0000 (11:07 +0100)]
Merge remote-tracking branch 'remotes/armbru/tags/pull-monitor-2015-10-09' into staging

Fix device introspection regressions

# gpg: Signature made Fri 09 Oct 2015 14:43:41 BST using RSA key ID EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>"

* remotes/armbru/tags/pull-monitor-2015-10-09:
  Revert "qdev: Use qdev_get_device_class() for -device <type>,help"
  qdev: Protect device-list-properties against broken devices
  qmp: Fix device-list-properties not to crash for abstract device
  device-introspect-test: New, covering device introspection
  libqtest: New hmp() & friends
  libqtest: Clean up unused QTestState member sigact_old
  tests: Fix how qom-test is run
  macio: move DBDMA_init from instance_init to realize
  hw: do not pass NULL to memory_region_init from instance_init
  memory: allow destroying a non-empty MemoryRegion
  virtio-input: Fix device introspection on non-Linux hosts
  update-linux-headers: Rename SW_MAX to SW_MAX_

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
8 years agovirtio-blk: use blk_io_plug/unplug for Linux AIO batching
Stefan Hajnoczi [Mon, 20 Jul 2015 15:54:16 +0000 (16:54 +0100)]
virtio-blk: use blk_io_plug/unplug for Linux AIO batching

The raw-posix block driver implements Linux AIO batching so multiple
requests can be submitted with a single io_submit(2) system call.
Batching is currently only used by virtio-scsi and
virtio-blk-data-plane.

Enable batching for regular virtio-blk so the number of io_submit(2)
system calls is reduced for workloads with queue depth > 1.

In 4KB random read performance tests with queue depth 32, the CPU
utilization on the host is reduced by 9.4%.  The fio job is as follows:

  [global]
  bs=4k
  ioengine=libaio
  iodepth=32
  direct=1
  sync=0
  time_based=1
  runtime=30
  clocksource=gettimeofday
  ramp_time=5

  [job1]
  rw=randread
  filename=/dev/vdb
  size=4096M
  write_bw_log=fio
  write_iops_log=fio
  write_lat_log=fio
  log_avg_msec=1000

This benchmark was run on an raw image on LVM.  The disk was an SSD
drive and -drive cache=none,aio=native was used.

Tested-by: Pradeep Surisetty <psuriset@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
8 years agosdhci: Pass drive parameter to sdhci-pci via qdev property
Kevin O'Connor [Mon, 17 Aug 2015 19:20:33 +0000 (15:20 -0400)]
sdhci: Pass drive parameter to sdhci-pci via qdev property

Commit 19109131 disabled the sdhci-pci support because it used
drive_get_next().  This patch reenables sdhci-pci and changes it to
pass the drive via a qdev property - for example:
 -device sdhci-pci,drive=drive0 -drive id=drive0,if=sd,file=myimage

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
8 years agotests: add test cases for netfilter object
Yang Hongyang [Wed, 7 Oct 2015 03:52:22 +0000 (11:52 +0800)]
tests: add test cases for netfilter object

Using qtest qmp interface to implement following cases:
1) add/remove netfilter
2) add a netfilter then delete the netdev
3) add/remove more than one netfilters
4) add more than one netfilters and then delete the netdev

Signed-off-by: Yang Hongyang <yanghy@cn.fujitsu.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
8 years agonetfilter: add a netbuffer filter
Yang Hongyang [Wed, 7 Oct 2015 03:52:21 +0000 (11:52 +0800)]
netfilter: add a netbuffer filter

This filter is to buffer/release packets. Can be used when using
MicroCheckpointing or other Remus like VM FT solutions.
You can also use it to crudely simulate network delay.  Doesn't
actually delay individual packets, but batches them together, which is
a delay of sorts.

Usage:
 -netdev tap,id=bn0
 -object filter-buffer,id=f0,netdev=bn0,queue=rx,interval=1000

NOTE:
 Interval is in microseconds, it can't be omitted currently, and can't be 0.

Signed-off-by: Yang Hongyang <yanghy@cn.fujitsu.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
8 years agonet/queue: export qemu_net_queue_append_iov
Yang Hongyang [Wed, 7 Oct 2015 03:52:20 +0000 (11:52 +0800)]
net/queue: export qemu_net_queue_append_iov

This will be used by buffer filter implementation later to
queue packets.

Signed-off-by: Yang Hongyang <yanghy@cn.fujitsu.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
8 years agonetfilter: print filter info associate with the netdev
Yang Hongyang [Wed, 7 Oct 2015 03:52:19 +0000 (11:52 +0800)]
netfilter: print filter info associate with the netdev

When execute "info network", print filter info also.
add a info_str member to NetFilterState, store specific filters
info.

Signed-off-by: Yang Hongyang <yanghy@cn.fujitsu.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
8 years agonetfilter: add an API to pass the packet to next filter
Yang Hongyang [Wed, 7 Oct 2015 03:52:18 +0000 (11:52 +0800)]
netfilter: add an API to pass the packet to next filter

add an API qemu_netfilter_pass_to_next() to pass the packet
to next filter.

Signed-off-by: Yang Hongyang <yanghy@cn.fujitsu.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
8 years agonet/queue: introduce NetQueueDeliverFunc
Yang Hongyang [Wed, 7 Oct 2015 03:52:17 +0000 (11:52 +0800)]
net/queue: introduce NetQueueDeliverFunc

net/queue.c has logic to send/queue/flush packets but a
qemu_deliver_packet_iov() call is hardcoded. Abstract this
func so that we can use our own deliver function in netfilter.

Signed-off-by: Yang Hongyang <yanghy@cn.fujitsu.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
8 years agonet: merge qemu_deliver_packet and qemu_deliver_packet_iov
Yang Hongyang [Wed, 7 Oct 2015 03:52:16 +0000 (11:52 +0800)]
net: merge qemu_deliver_packet and qemu_deliver_packet_iov

qemu_deliver_packet_iov already have the compat delivery, we
can drop qemu_deliver_packet.

Signed-off-by: Yang Hongyang <yanghy@cn.fujitsu.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
8 years agonetfilter: hook packets before net queue send
Yang Hongyang [Wed, 7 Oct 2015 03:52:15 +0000 (11:52 +0800)]
netfilter: hook packets before net queue send

Capture packets that will be sent.

Signed-off-by: Yang Hongyang <yanghy@cn.fujitsu.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
8 years agoinit/cleanup of netfilter object
Yang Hongyang [Wed, 7 Oct 2015 03:52:14 +0000 (11:52 +0800)]
init/cleanup of netfilter object

Add a netfilter object based on QOM.

A netfilter is attached to a netdev, captures all network packets
that pass through the netdev. When we delete the netdev, we also
delete the netfilter object attached to it, because if the netdev is
removed, the filter which attached to it is useless.

Signed-off-by: Yang Hongyang <yanghy@cn.fujitsu.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
8 years agovl.c: init delayed object after net_init_clients
Yang Hongyang [Wed, 7 Oct 2015 03:52:13 +0000 (11:52 +0800)]
vl.c: init delayed object after net_init_clients

Init delayed object after net_init_clients, because netfilters need
to be initialized after net clients initialized.

Signed-off-by: Yang Hongyang <yanghy@cn.fujitsu.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
8 years agovmxnet3: Add support for VMXNET3_CMD_GET_ADAPTIVE_RING_INFO command
Shmulik Ladkani [Fri, 18 Sep 2015 05:55:04 +0000 (08:55 +0300)]
vmxnet3: Add support for VMXNET3_CMD_GET_ADAPTIVE_RING_INFO command

Some drivers (e.g. vmware-tools) issue the VMXNET3_CMD_GET_ADAPTIVE_RING_INFO
command.

Currently, due to lack of support, a bogus value (-1) is returned.

Support this command, returning the "adaptive-ring disabled" flag.

Signed-off-by: Shmulik Ladkani <shmulik.ladkani@ravellosystems.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
8 years agoe1000: use alias for default model
Jason Wang [Mon, 28 Sep 2015 05:37:26 +0000 (13:37 +0800)]
e1000: use alias for default model

Instead of duplicating the "e1000-82540em" device model as "e1000",
make the latter an alias for the former.

Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com
Reviewed-by: Markus Armbruster <armbru@redhat.com>
8 years agovmxnet3: Support reading IMR registers on bar0
Shmulik Ladkani [Mon, 21 Sep 2015 14:09:02 +0000 (17:09 +0300)]
vmxnet3: Support reading IMR registers on bar0

Instead of asserting, return the actual IMR register value.
This is aligned with what's returned on ESXi.

Signed-off-by: Shmulik Ladkani <shmulik.ladkani@ravellosystems.com>
Tested-by: Dana Rubin <dana.rubin@ravellosystems.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
8 years agonet/vmxnet3: Refine l2 header validation
Dana Rubin [Tue, 18 Aug 2015 09:45:55 +0000 (12:45 +0300)]
net/vmxnet3: Refine l2 header validation

Validation of l2 header length assumed minimal packet size as
eth_header + 2 * vlan_header regardless of the actual protocol.

This caused crash for valid non-IP packets shorter than 22 bytes, as
'tx_pkt->packet_type' hasn't been assigned for such packets, and
'vmxnet3_on_tx_done_update_stats()' expects it to be properly set.

Refine header length validation in 'vmxnet_tx_pkt_parse_headers'.
Check its return value during packet processing flow.

As a side effect, in case IPv4 and IPv6 header validation failure,
corrupt packets will be dropped.

Signed-off-by: Dana Rubin <dana.rubin@ravellosystems.com>
Signed-off-by: Shmulik Ladkani <shmulik.ladkani@ravellosystems.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
8 years agoMerge remote-tracking branch 'remotes/kraxel/tags/pull-virgl-20151008-1' into staging
Peter Maydell [Fri, 9 Oct 2015 16:30:03 +0000 (17:30 +0100)]
Merge remote-tracking branch 'remotes/kraxel/tags/pull-virgl-20151008-1' into staging

virtio-gpu: add 3d rendering support using virgl, misc fixes.
ui/gtk: add opengl context and scanout support (for virtio-gpu).

# gpg: Signature made Thu 08 Oct 2015 10:35:39 BST using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"

* remotes/kraxel/tags/pull-virgl-20151008-1:
  gtk/opengl: add opengl context and scanout support (GtkGLArea)
  gtk/opengl: add opengl context and scanout support (egl)
  opengl: add egl-context.[ch] helpers
  virtio-gpu: add cursor update tracepoint
  virtio-gpu: add 3d mode and virgl rendering support.
  virtio-gpu: update headers for virgl/3d
  virtio-gpu: change licence from GPLv2 to GPLv2+
  virtio-gpu: move iov free to virtio_gpu_cleanup_mapping_iov
  ui/console: add opengl context and scanout support interfaces.
  sdl2: stop flickering
  shaders: initialize vertexes once

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
8 years agoRevert "qdev: Use qdev_get_device_class() for -device <type>,help"
Markus Armbruster [Thu, 1 Oct 2015 08:59:59 +0000 (10:59 +0200)]
Revert "qdev: Use qdev_get_device_class() for -device <type>,help"

This reverts commit 31bed5509dfcbdfc293154ce81086a4dbd7a80b6.

The reverted commit changed qdev_device_help() to reject abstract
devices and devices that have cannot_instantiate_with_device_add_yet
set, to fix crash bugs like -device x86_64-cpu,help.

Rejecting abstract devices makes sense: they're purely internal, and
the implementation of the help feature can't cope with them.

Rejecting non-pluggable devices makes less sense: even though you
can't use them with -device, the help may still be useful elsewhere,
for instance with -global.  This is a regression: -device FOO,help
used to help even for FOO that aren't pluggable.

The previous two commits fixed the crash bug at a lower layer, so
reverting this one is now safe.  Fixes the -device FOO,help
regression, except for the broken devices marked
cannot_even_create_with_object_new_yet.  For those, the error message
is improved.

Example of a device where the regression is fixed:

    $ qemu-system-x86_64 -device PIIX4_PM,help
    PIIX4_PM.command_serr_enable=bool (on/off)
    PIIX4_PM.multifunction=bool (on/off)
    PIIX4_PM.rombar=uint32
    PIIX4_PM.romfile=str
    PIIX4_PM.addr=int32 (Slot and optional function number, example: 06.0 or 06)
    PIIX4_PM.memory-hotplug-support=bool
    PIIX4_PM.acpi-pci-hotplug-with-bridge-support=bool
    PIIX4_PM.s4_val=uint8
    PIIX4_PM.disable_s4=uint8
    PIIX4_PM.disable_s3=uint8
    PIIX4_PM.smb_io_base=uint32

Example of a device where it isn't fixed:

    $ qemu-system-x86_64 -device host-x86_64-cpu,help
    Can't list properties of device 'host-x86_64-cpu'

Both failed with "Parameter 'driver' expects pluggable device type"
before.

Cc: qemu-stable@nongnu.org
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <1443689999-12182-11-git-send-email-armbru@redhat.com>

8 years agoqdev: Protect device-list-properties against broken devices
Markus Armbruster [Thu, 1 Oct 2015 08:59:58 +0000 (10:59 +0200)]
qdev: Protect device-list-properties against broken devices

Several devices don't survive object_unref(object_new(T)): they crash
or hang during cleanup, or they leave dangling pointers behind.

This breaks at least device-list-properties, because
qmp_device_list_properties() needs to create a device to find its
properties.  Broken in commit f4eb32b "qmp: show QOM properties in
device-list-properties", v2.1.  Example reproducer:

    $ qemu-system-aarch64 -nodefaults -display none -machine none -S -qmp stdio
    {"QMP": {"version": {"qemu": {"micro": 50, "minor": 4, "major": 2}, "package": ""}, "capabilities": []}}
    { "execute": "qmp_capabilities" }
    {"return": {}}
    { "execute": "device-list-properties", "arguments": { "typename": "pxa2xx-pcmcia" } }
    qemu-system-aarch64: /home/armbru/work/qemu/memory.c:1307: memory_region_finalize: Assertion `((&mr->subregions)->tqh_first == ((void *)0))' failed.
    Aborted (core dumped)
    [Exit 134 (SIGABRT)]

Unfortunately, I can't fix the problems in these devices right now.
Instead, add DeviceClass member cannot_destroy_with_object_finalize_yet
to mark them:

* Hang during cleanup (didn't debug, so I can't say why):
  "realview_pci", "versatile_pci".

* Dangling pointer in cpus: most CPUs, plus "allwinner-a10", "digic",
  "fsl,imx25", "fsl,imx31", "xlnx,zynqmp", because they create such
  CPUs

* Assert kvm_enabled(): "host-x86_64-cpu", host-i386-cpu",
  "host-powerpc64-cpu", "host-embedded-powerpc-cpu",
  "host-powerpc-cpu" (the powerpc ones can't currently reach the
  assertion, because the CPUs are only registered when KVM is enabled,
  but the assertion is arguably in the wrong place all the same)

Make qmp_device_list_properties() fail cleanly when the device is so
marked.  This improves device-list-properties from "crashes, hangs or
leaves dangling pointers behind" to "fails".  Not a complete fix, just
a better-than-nothing work-around.  In the above reproducer,
device-list-properties now fails with "Can't list properties of device
'pxa2xx-pcmcia'".

This also protects -device FOO,help, which uses the same machinery
since commit ef52358 "qdev-monitor: include QOM properties in -device
FOO, help output", v2.2.  Example reproducer:

    $ qemu-system-aarch64 -machine none -device pxa2xx-pcmcia,help

Before:

    qemu-system-aarch64: .../memory.c:1307: memory_region_finalize: Assertion `((&mr->subregions)->tqh_first == ((void *)0))' failed.

After:

    Can't list properties of device 'pxa2xx-pcmcia'

Cc: "Andreas Färber" <afaerber@suse.de>
Cc: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
Cc: Alexander Graf <agraf@suse.de>
Cc: Anthony Green <green@moxielogic.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Cc: Blue Swirl <blauwirbel@gmail.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Cc: Jia Liu <proljc@gmail.com>
Cc: Leon Alrae <leon.alrae@imgtec.com>
Cc: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Michael Walle <michael@walle.cc>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Richard Henderson <rth@twiddle.net>
Cc: qemu-ppc@nongnu.org
Cc: qemu-stable@nongnu.org
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <1443689999-12182-10-git-send-email-armbru@redhat.com>

8 years agoqmp: Fix device-list-properties not to crash for abstract device
Markus Armbruster [Thu, 1 Oct 2015 08:59:57 +0000 (10:59 +0200)]
qmp: Fix device-list-properties not to crash for abstract device

Broken in commit f4eb32b "qmp: show QOM properties in
device-list-properties", v2.1.

Cc: qemu-stable@nongnu.org
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Message-Id: <1443689999-12182-9-git-send-email-armbru@redhat.com>

8 years agodevice-introspect-test: New, covering device introspection
Markus Armbruster [Thu, 1 Oct 2015 08:59:56 +0000 (10:59 +0200)]
device-introspect-test: New, covering device introspection

The test doesn't check that the output makes any sense, only that QEMU
survives.  Useful since we've had an astounding number of crash bugs
around there.

In fact, we have a bunch of them right now: a few devices crash or
hang, and some leave dangling pointers behind.  The test skips testing
the broken parts.  The next commits will fix them up, and drop the
skipping.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1443689999-12182-8-git-send-email-armbru@redhat.com>

8 years agolibqtest: New hmp() & friends
Markus Armbruster [Thu, 1 Oct 2015 08:59:55 +0000 (10:59 +0200)]
libqtest: New hmp() & friends

New convenience function hmp() to facilitate use of
human-monitor-command in tests.  Use it to simplify its existing uses.

To blend into existing libqtest code, also add qtest_hmpv() and
qtest_hmp().  That, and the egregiously verbose GTK-Doc comment format
make this patch look bigger than it is.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1443689999-12182-7-git-send-email-armbru@redhat.com>

8 years agolibqtest: Clean up unused QTestState member sigact_old
Markus Armbruster [Thu, 1 Oct 2015 08:59:54 +0000 (10:59 +0200)]
libqtest: Clean up unused QTestState member sigact_old

Unused since commit d766825.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1443689999-12182-6-git-send-email-armbru@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
8 years agotests: Fix how qom-test is run
Markus Armbruster [Thu, 1 Oct 2015 08:59:53 +0000 (10:59 +0200)]
tests: Fix how qom-test is run

We want to run qom-test for every architecture, without having to
manually add it to every architecture's list of tests.  Commit 3687d53
accomplished this by adding it to every architecture's list
automatically.

However, some architectures inherit their tests from others, like this:

    check-qtest-x86_64-y = $(check-qtest-i386-y)
    check-qtest-microblazeel-y = $(check-qtest-microblaze-y)
    check-qtest-xtensaeb-y = $(check-qtest-xtensa-y)

For such architectures, we ended up running the (slow!) test twice.
Commit 2b8419c attempted to avoid this by adding the test only when
it's not already present.  Works only as long as we consider adding
the test to the architectures on the left hand side *after* the ones
on the right hand side: x86_64 after i386, microblazeel after
microblaze, xtensaeb after xtensa.

Turns out we consider them in $(SYSEMU_TARGET_LIST) order.  Defined as

    SYSEMU_TARGET_LIST := $(subst -softmmu.mak,,$(notdir \
       $(wildcard $(SRC_PATH)/default-configs/*-softmmu.mak)))

On my machine, this results in the oder xtensa, x86_64, microblazeel,
microblaze, i386.  Consequently, qom-test runs twice for microblazeel
and x86_64.

Replace this complex and flawed machinery with a much simpler one: add
generic tests (currently just qom-test) to check-qtest-generic-y
instead of check-qtest-$(target)-y for every target, then run
$(check-qtest-generic-y) for every target.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Message-Id: <1443689999-12182-5-git-send-email-armbru@redhat.com>

8 years agomacio: move DBDMA_init from instance_init to realize
Paolo Bonzini [Thu, 1 Oct 2015 08:59:52 +0000 (10:59 +0200)]
macio: move DBDMA_init from instance_init to realize

DBDMA_init is not idempotent, and calling it from instance_init
breaks a simple object_new/object_unref pair.  Work around this,
pending qdev-ification of DBDMA, by moving the call to realize.

Reported-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1443689999-12182-4-git-send-email-armbru@redhat.com>

8 years agohw: do not pass NULL to memory_region_init from instance_init
Paolo Bonzini [Thu, 1 Oct 2015 08:59:51 +0000 (10:59 +0200)]
hw: do not pass NULL to memory_region_init from instance_init

This causes the region to outlive the object, because it attaches the
region to /machine.  This is not nice for the "realize" method, but
much worse for "instance_init" because it can cause dangling pointers
after a simple object_new/object_unref pair.

Reported-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1443689999-12182-3-git-send-email-armbru@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
8 years agomemory: allow destroying a non-empty MemoryRegion
Paolo Bonzini [Thu, 1 Oct 2015 08:59:50 +0000 (10:59 +0200)]
memory: allow destroying a non-empty MemoryRegion

This is legal; the MemoryRegion will simply unreference all the
existing subregions and possibly bring them down with it as well.
However, it requires a bit of care to avoid an infinite loop.
Finalizing a memory region cannot trigger an address space update,
but memory_region_del_subregion errs on the side of caution and
might trigger a spurious update: avoid that by resetting mr->enabled
first.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1443689999-12182-2-git-send-email-armbru@redhat.com>

8 years agovirtio-input: Fix device introspection on non-Linux hosts
Markus Armbruster [Thu, 8 Oct 2015 16:11:40 +0000 (18:11 +0200)]
virtio-input: Fix device introspection on non-Linux hosts

When CONFIG_LINUX is off, devices "virtio-keyboard-device",
"virtio-mouse-device", "virtio-tablet-device" and
"virtio-input-host-device" aren't compiled in, yet
"virtio-keyboard-pci", "virtio-mouse-pci", "virtio-tablet-pci" and
"virtio-input-host-pci" still are.  Attempts to introspect them crash,
e.g.

    $ qemu-system-x86_64 -device virtio-tablet-pci,help
    **
    ERROR:/work/armbru/qemu/qom/object.c:333:object_initialize_with_type: assertion failed: (type != NULL)

Broken in commit 710e2d9 and commit 006a5ed.

Fix by compiling the "virtio-FOO-pci" exactly when compiling the
"virtio-FOO-device": compile "virtio-keyboard-device",
"virtio-mouse-device", "virtio-tablet-device" regardless of
CONFIG_LINUX, and compile "virtio-input-host-pci" only for
CONFIG_LINUX.

Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <1444320700-26260-3-git-send-email-armbru@redhat.com>

8 years agoupdate-linux-headers: Rename SW_MAX to SW_MAX_
Markus Armbruster [Thu, 8 Oct 2015 16:11:39 +0000 (18:11 +0200)]
update-linux-headers: Rename SW_MAX to SW_MAX_

The next commit will compile hw/input/virtio-input.c and
hw/input/virtio-input-hid.c even when CONFIG_LINUX is off.  These
files include both "include/standard-headers/linux/input.h" and
<windows.h> then.  Doesn't work, because both define SW_MAX.  We don't
actually use it.  Patch input.h to define SW_MAX_ instead.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1444320700-26260-2-git-send-email-armbru@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
8 years agoMerge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' into staging
Peter Maydell [Fri, 9 Oct 2015 11:18:13 +0000 (12:18 +0100)]
Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' into staging

# gpg: Signature made Fri 09 Oct 2015 10:15:13 BST using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>"

* remotes/stefanha/tags/tracing-pull-request:
  trace: remove malloc tracing
  docs: update the usage example of "dtrace" backend in tracing.txt

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
8 years agoMerge remote-tracking branch 'remotes/mjt/tags/pull-trivial-patches-2015-10-08' into...
Peter Maydell [Fri, 9 Oct 2015 09:45:09 +0000 (10:45 +0100)]
Merge remote-tracking branch 'remotes/mjt/tags/pull-trivial-patches-2015-10-08' into staging

trivial patches for 2015-10-08

# gpg: Signature made Thu 08 Oct 2015 17:51:05 BST using RSA key ID A4C3D7DB
# gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>"
# gpg:                 aka "Michael Tokarev <mjt@corpit.ru>"
# gpg:                 aka "Michael Tokarev <mjt@debian.org>"

* remotes/mjt/tags/pull-trivial-patches-2015-10-08:
  tests: Unique test path for /string-visitor/output
  linux-user: Remove type casts to union type
  linux-user: Use g_new() & friends where that makes obvious sense
  rocker: Use g_new() & friends where that makes obvious sense
  .travis.yml: Run make check for all targets, not just some
  hw: char: Remove unnecessary variable
  hw: timer: Remove unnecessary variable
  qapi: add missing @
  MAINTAINERS: Add NSIS file for W32, W64 hosts
  target-ppc: Remove unnecessary variable
  target-microblaze: Remove unnecessary variable
  s/cpu_get_real_ticks/cpu_get_host_ticks/
  pc: check for underflow in load_linux
  pci-assign: do not include sys/io.h
  block/ssh: remove dead code
  imx_serial: Generate interrupt on tx empty if enabled
  sdhci: Change debug prints to compile unconditionally
  sdhci: use PRIx64 for uint64_t type
  Add .dir-locals.el file to configure emacs coding style

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
8 years agotrace: remove malloc tracing
Paolo Bonzini [Wed, 16 Sep 2015 15:38:44 +0000 (17:38 +0200)]
trace: remove malloc tracing

The malloc vtable is not supported anymore in glib, because it broke
when constructors called g_malloc.  Remove tracing of g_malloc,
g_realloc and g_free calls.

Note that, for systemtap users, glib also provides tracepoints
glib.mem_alloc, glib.mem_free, glib.mem_realloc, glib.slice_alloc
and glib.slice_free.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-id: 1442417924-25831-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
8 years agodocs: update the usage example of "dtrace" backend in tracing.txt
Lin Ma [Fri, 11 Sep 2015 06:58:50 +0000 (14:58 +0800)]
docs: update the usage example of "dtrace" backend in tracing.txt

The usage example of dtrace is quite ancient, We have tracetool.py with
different parameters instead of the original tracetool shell script for
a long time, So update the old information.

Signed-off-by: Lin Ma <lma@suse.com>
Message-id: 1441954730-17341-1-git-send-email-lma@suse.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
8 years agotests: Unique test path for /string-visitor/output
Dr. David Alan Gilbert [Mon, 5 Oct 2015 11:04:20 +0000 (12:04 +0100)]
tests: Unique test path for /string-visitor/output

Newer GLib's want unique test paths, and thus moan at dupes.
(Seen on Fedora 23 which has glib 2.46)

Uniquify the paths.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
8 years agolinux-user: Remove type casts to union type
Stefan Weil [Sun, 8 Feb 2015 14:40:58 +0000 (15:40 +0100)]
linux-user: Remove type casts to union type

Casting to a union type is a gcc (and clang) extension. Other compilers
might not support it. This is not a problem today, but the type casts
can be removed easily. Smatch now no longer complains like before:

linux-user/syscall.c:3190:18: warning: cast to non-scalar
linux-user/syscall.c:7348:44: warning: cast to non-scalar

Cc: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
8 years agolinux-user: Use g_new() & friends where that makes obvious sense
Markus Armbruster [Mon, 14 Sep 2015 11:53:03 +0000 (13:53 +0200)]
linux-user: Use g_new() & friends where that makes obvious sense

g_new(T, n) is neater than g_malloc(sizeof(T) * n).  It's also safer,
for two reasons.  One, it catches multiplication overflowing size_t.
Two, it returns T * rather than void *, which lets the compiler catch
more type errors.

This commit only touches allocations with size arguments of the form
sizeof(T).  Same Coccinelle semantic patch as in commit b45c03f.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
8 years agorocker: Use g_new() & friends where that makes obvious sense
Markus Armbruster [Mon, 14 Sep 2015 11:52:23 +0000 (13:52 +0200)]
rocker: Use g_new() & friends where that makes obvious sense

g_new(T, n) is neater than g_malloc(sizeof(T) * n).  It's also safer,
for two reasons.  One, it catches multiplication overflowing size_t.
Two, it returns T * rather than void *, which lets the compiler catch
more type errors.

This commit only touches allocations with size arguments of the form
sizeof(T).  Same Coccinelle semantic patchas in commit b45c03f.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Jiri Pirko <jiri@resnulli.us>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
8 years ago.travis.yml: Run make check for all targets, not just some
David Gibson [Wed, 23 Sep 2015 05:27:12 +0000 (15:27 +1000)]
.travis.yml: Run make check for all targets, not just some

ed173cb ".travis.yml: remove "make check" from main matrix" stopped running
make check for all the Travis build targets for various reasons.  It
continued to run make check on one Travis build, which builds for a big
list of all (? nearly all) our supported softmmu targets.

Unfortunately, due to a spacing / quoting error it only actually builds for
the alpha, arm, aarch64 and cris targets.  Specifically, the list of
targets is split over several lines.  Even with YAML folding, this will
leave spaces in the list, meaning $TARGETS won't have the value we need.

I had a look at the YAML spec and I couldn't quickly see a way of splitting
the list so that it doesn't end up with spaces, so this patch fixes the
problem by putting the whole list on one huge line.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
8 years agohw: char: Remove unnecessary variable
Shraddha Barke [Fri, 25 Sep 2015 14:36:02 +0000 (20:06 +0530)]
hw: char: Remove unnecessary variable

Compress lines and remove the variable.

Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
8 years agohw: timer: Remove unnecessary variable
Shraddha Barke [Fri, 25 Sep 2015 14:36:03 +0000 (20:06 +0530)]
hw: timer: Remove unnecessary variable

Compress lines and remove the variable.

Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
8 years agoqapi: add missing @
Marc-André Lureau [Fri, 25 Sep 2015 14:03:30 +0000 (16:03 +0200)]
qapi: add missing @

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
8 years agoMAINTAINERS: Add NSIS file for W32, W64 hosts
Stefan Weil [Fri, 25 Sep 2015 20:25:32 +0000 (22:25 +0200)]
MAINTAINERS: Add NSIS file for W32, W64 hosts

The NSIS installer configuration is maintained by me.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
8 years agotarget-ppc: Remove unnecessary variable
Shraddha Barke [Fri, 25 Sep 2015 08:37:58 +0000 (14:07 +0530)]
target-ppc: Remove unnecessary variable

Compress lines and remove the variable.

Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
8 years agotarget-microblaze: Remove unnecessary variable
Shraddha Barke [Fri, 25 Sep 2015 08:37:56 +0000 (14:07 +0530)]
target-microblaze: Remove unnecessary variable

Compress lines and remove the variable.

Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
8 years agos/cpu_get_real_ticks/cpu_get_host_ticks/
Christopher Covington [Fri, 25 Sep 2015 14:42:21 +0000 (10:42 -0400)]
s/cpu_get_real_ticks/cpu_get_host_ticks/

This should help clarify the purpose of the function that returns
the host system's CPU cycle count.

Signed-off-by: Christopher Covington <cov@codeaurora.org>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
ppc portion
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
8 years agopc: check for underflow in load_linux
Paolo Bonzini [Mon, 14 Sep 2015 10:07:22 +0000 (12:07 +0200)]
pc: check for underflow in load_linux

If (setup_size+1)*512 is small enough, kernel_size -= setup_size can allocate
a huge amount of memory.  Avoid that.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
8 years agopci-assign: do not include sys/io.h
Paolo Bonzini [Tue, 15 Sep 2015 08:47:36 +0000 (10:47 +0200)]
pci-assign: do not include sys/io.h

This file does not exist on bionic libc and the functions it defines
are in fact not used by pci-assign.c.  Remove it.

Reported-by: Houcheng Lin <houcheng@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
8 years agoblock/ssh: remove dead code
Paolo Bonzini [Mon, 14 Sep 2015 11:12:34 +0000 (13:12 +0200)]
block/ssh: remove dead code

The "err" label cannot be reached with qp != NULL.  Remove the free-ing
of qp and avoid future regressions by removing the initializer.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
ACKed-by: Richard W.M. Jones <rjones@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
8 years agoimx_serial: Generate interrupt on tx empty if enabled
Guenter Roeck [Thu, 20 Aug 2015 15:52:35 +0000 (08:52 -0700)]
imx_serial: Generate interrupt on tx empty if enabled

Generate an interrupt if the tx buffer is empty and the tx empty interrupt
is enabled. This fixes a problem seen when running a Linux image since
Linux commit 55c3cb1358e ("serial: imx: remove unneeded imx_transmit_buffer()
from imx_start_tx()"). Linux now waits for the tx empty interrupt before
starting to send data, causing transmit stalls until there is an interrupt
for another reason.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
8 years agosdhci: Change debug prints to compile unconditionally
Sai Pavan Boddu [Mon, 7 Sep 2015 18:06:41 +0000 (23:36 +0530)]
sdhci: Change debug prints to compile unconditionally

Conditional compilation hides few type mismatch warnings, fix it to
compile unconditionally.

Signed-off-by: Sai Pavan Boddu <saipava@xilinx.com>
Suggested-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
8 years agosdhci: use PRIx64 for uint64_t type
Sai Pavan Boddu [Mon, 7 Sep 2015 18:06:40 +0000 (23:36 +0530)]
sdhci: use PRIx64 for uint64_t type

Fix compile time warnings, because of type mismatch for unsigned long
long type.

Signed-off-by: Sai Pavan Boddu <saipava@xilinx.com>
Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
8 years agoAdd .dir-locals.el file to configure emacs coding style
Daniel P. Berrange [Thu, 4 Jun 2015 13:30:07 +0000 (14:30 +0100)]
Add .dir-locals.el file to configure emacs coding style

Some default emacs setups indent by 2 spaces and uses tabs
which is counter to the QEMU coding style rules. Adding a
.dir-locals.el file in the top level of the GIT repo will
inform emacs about the QEMU coding style, and so assist
contributors in avoiding common style mistakes before
they submit patches.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
8 years agoMerge remote-tracking branch 'remotes/awilliam/tags/vfio-update-20151007.0' into...
Peter Maydell [Thu, 8 Oct 2015 15:50:34 +0000 (16:50 +0100)]
Merge remote-tracking branch 'remotes/awilliam/tags/vfio-update-20151007.0' into staging

VFIO updates 2015-10-07

 - Change platform device IRQ setup sequence for compatibility
   with upcoming IRQ forwarding (Eric Auger)
 - Extensions to support vfio-pci devices on spapr-pci-host-bridge
   (David Gibson) [clang problem patch dropped]

# gpg: Signature made Wed 07 Oct 2015 16:30:52 BST using RSA key ID 3BB08B22
# gpg: Good signature from "Alex Williamson <alex.williamson@redhat.com>"
# gpg:                 aka "Alex Williamson <alex@shazbot.org>"
# gpg:                 aka "Alex Williamson <alwillia@redhat.com>"
# gpg:                 aka "Alex Williamson <alex.l.williamson@gmail.com>"

* remotes/awilliam/tags/vfio-update-20151007.0:
  vfio: Allow hotplug of containers onto existing guest IOMMU mappings
  memory: Allow replay of IOMMU mapping notifications
  vfio: Record host IOMMU's available IO page sizes
  vfio: Check guest IOVA ranges against host IOMMU capabilities
  vfio: Generalize vfio_listener_region_add failure path
  vfio: Remove unneeded union from VFIOContainer
  hw/vfio/platform: do not set resamplefd for edge-sensitive IRQS
  hw/vfio/platform: change interrupt/unmask fields into pointer
  hw/vfio/platform: irqfd setup sequence update

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
8 years agoMerge remote-tracking branch 'remotes/rth/tags/pull-tcg-20151007' into staging
Peter Maydell [Thu, 8 Oct 2015 14:33:56 +0000 (15:33 +0100)]
Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20151007' into staging

Do away with TB retranslation

# gpg: Signature made Wed 07 Oct 2015 10:42:08 BST using RSA key ID 4DD0279B
# gpg: Good signature from "Richard Henderson <rth7680@gmail.com>"
# gpg:                 aka "Richard Henderson <rth@redhat.com>"
# gpg:                 aka "Richard Henderson <rth@twiddle.net>"

* remotes/rth/tags/pull-tcg-20151007: (26 commits)
  tcg: Adjust CODE_GEN_AVG_BLOCK_SIZE
  tcg: Check for overflow via highwater mark
  tcg: Allocate a guard page after code_gen_buffer
  tcg: Emit prologue to the beginning of code_gen_buffer
  tcg: Remove tcg_gen_code_search_pc
  tcg: Remove gen_intermediate_code_pc
  tcg: Save insn data and use it in cpu_restore_state_from_tb
  tcg: Pass data argument to restore_state_to_opc
  tcg: Add TCG_MAX_INSNS
  target-*: Drop cpu_gen_code define
  tcg: Merge cpu_gen_code into tb_gen_code
  target-sparc: Add npc state to insn_start
  target-sparc: Remove gen_opc_jump_pc
  target-sparc: Split out gen_branch_n
  target-sparc: Tidy gen_branch_a interface
  target-cris: Mirror gen_opc_pc into insn_start
  target-sh4: Add flags state to insn_start
  target-s390x: Add cc_op state to insn_start
  target-mips: Add delayed branch state to insn_start
  target-i386: Add cc_op state to insn_start
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
8 years agoMerge remote-tracking branch 'remotes/rth/tags/pull-tile-20151007' into staging
Peter Maydell [Thu, 8 Oct 2015 12:37:04 +0000 (13:37 +0100)]
Merge remote-tracking branch 'remotes/rth/tags/pull-tile-20151007' into staging

Collected patches

# gpg: Signature made Wed 07 Oct 2015 10:30:17 BST using RSA key ID 4DD0279B
# gpg: Good signature from "Richard Henderson <rth7680@gmail.com>"
# gpg:                 aka "Richard Henderson <rth@redhat.com>"
# gpg:                 aka "Richard Henderson <rth@twiddle.net>"

* remotes/rth/tags/pull-tile-20151007:
  target-tilegx: Support iret instruction and related special registers
  target-tilegx: Use TILEGX_EXCP_OPCODE_UNKNOWN and TILEGX_EXCP_OPCODE_UNIMPLEMENTED correctly
  target-tilegx: Implement v2mults instruction
  target-tilegx: Implement v?int_* instructions.
  target-tilegx: Implement v2sh* instructions
  target-tilegx: Handle nofault prefetch instructions
  target-tilegx: Fix a typo for mnemonic about "ld_add"
  target-tilegx: Use TILEGX_EXCP_SIGNAL instead of TILEGX_EXCP_SEGV
  target-tilegx: Decode ill pseudo-instructions
  linux-user/tilegx: Implement tilegx signal features
  linux-user/syscall_defs.h: Sync the latest si_code from Linux kernel
  target-tilegx: Let x1 pipe process bpt instruction only
  target-tilegx: Implement complex multiply instructions
  target-tilegx: Implement table index instructions
  target-tilegx: Implement crc instructions
  target-tilegx: Implement v1multu instruction
  target-tilegx: Implement v*add and v*sub instructions
  target-tilegx: Implement v*shl, v*shru, and v*shrs instructions
  target-tilegx: Tidy simd_helper.c

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
8 years agoMerge remote-tracking branch 'remotes/ehabkost/tags/numa-pull-request' into staging
Peter Maydell [Thu, 8 Oct 2015 10:28:17 +0000 (11:28 +0100)]
Merge remote-tracking branch 'remotes/ehabkost/tags/numa-pull-request' into staging

NUMA queue, 2015-10-06

# gpg: Signature made Tue 06 Oct 2015 20:53:42 BST using RSA key ID 984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>"

* remotes/ehabkost/tags/numa-pull-request:
  pc-dimm: Fail realization for invalid nodes in non-NUMA config

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
8 years agogtk/opengl: add opengl context and scanout support (GtkGLArea)
Gerd Hoffmann [Tue, 26 May 2015 10:26:21 +0000 (12:26 +0200)]
gtk/opengl: add opengl context and scanout support (GtkGLArea)

This allows virtio-gpu to render in 3d mode.
Uses native opengl support which is present
in gtk versions 3.16 and newer.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
8 years agogtk/opengl: add opengl context and scanout support (egl)
Gerd Hoffmann [Fri, 8 May 2015 09:30:51 +0000 (11:30 +0200)]
gtk/opengl: add opengl context and scanout support (egl)

This allows virtio-gpu to render in 3d mode.
Uses egl, for gtk versions 3.14 and older.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
8 years agoopengl: add egl-context.[ch] helpers
Gerd Hoffmann [Wed, 29 Apr 2015 08:08:04 +0000 (10:08 +0200)]
opengl: add egl-context.[ch] helpers

Add helper functions to manage opengl contexts using egl.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
8 years agovirtio-gpu: add cursor update tracepoint
Gerd Hoffmann [Fri, 2 Oct 2015 06:30:27 +0000 (08:30 +0200)]
virtio-gpu: add cursor update tracepoint

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
8 years agovirtio-gpu: add 3d mode and virgl rendering support.
Gerd Hoffmann [Fri, 11 Jul 2014 10:51:43 +0000 (12:51 +0200)]
virtio-gpu: add 3d mode and virgl rendering support.

Add virglrenderer library detection.  Add 3d mode to virtio-gpu,
wire up virglrenderer library.  When in 3d mode render using the
new context management and texture scanout callbacks.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
8 years agovirtio-gpu: update headers for virgl/3d
Gerd Hoffmann [Fri, 22 May 2015 13:38:33 +0000 (15:38 +0200)]
virtio-gpu: update headers for virgl/3d

Sync with linux kernel headers with virgl/3d patches applied.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
8 years agovirtio-gpu: change licence from GPLv2 to GPLv2+
Gerd Hoffmann [Wed, 16 Sep 2015 07:15:15 +0000 (09:15 +0200)]
virtio-gpu: change licence from GPLv2 to GPLv2+

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
8 years agovirtio-gpu: move iov free to virtio_gpu_cleanup_mapping_iov
Gerd Hoffmann [Tue, 15 Sep 2015 07:23:14 +0000 (09:23 +0200)]
virtio-gpu: move iov free to virtio_gpu_cleanup_mapping_iov

For symmetry reasons: virtio_gpu_create_mapping_iov() allocates it so
virtio_gpu_cleanup_mapping_iov() should free it, otherwise it's easy to
miss a free() needed and leak memory.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
8 years agoui/console: add opengl context and scanout support interfaces.
Gerd Hoffmann [Fri, 11 Jul 2014 11:56:51 +0000 (13:56 +0200)]
ui/console: add opengl context and scanout support interfaces.

Add callbacks for opengl context management and scanout texture
configuration to DisplayChangeListenerOps.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
8 years agosdl2: stop flickering
Gerd Hoffmann [Fri, 12 Jun 2015 10:16:02 +0000 (12:16 +0200)]
sdl2: stop flickering

Optimizing updates by copying the dirty rectangle
only do not work because of double-buffering.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
8 years agoshaders: initialize vertexes once
Gerd Hoffmann [Fri, 10 Jul 2015 12:40:01 +0000 (14:40 +0200)]
shaders: initialize vertexes once

Create a buffer for the vertex data and place vertexes
there at initialization time.  Then just use the buffer
for each texture blit.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>