Commit graph

805 commits

Author SHA1 Message Date
Thomas Huth c3527c5e49 meson.build: Group the network backend entries in a separate summary section
Let's make it easier for the users to spot network-related entries
in the summary of the meson output.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230602171832.533739-3-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-06-06 09:42:15 +02:00
Thomas Huth 9e48afa3ce meson.build: Group the UI entries in a separate summary section
Let's make it easier for the users to spot UI-related entries in
the summary of the meson output.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230602171832.533739-2-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-06-06 09:42:14 +02:00
Michal Privoznik 09a49afeae meson: Avoid implicit declaration of absent functions
While detecting a presence of a function via 'cc.links()'
gives desired result (i.e. detects whether function is present),
it also produces a warning on systems where the function is not
present (into meson-log.txt), e.g.:

  qemu.git/build/meson-private/tmph74x3p38/testfile.c:2:34: \
  warning: implicit declaration of function 'malloc_trim' [-Wimplicit-function-declaration]

And some distributions (e.g. Gentoo) parse the meson log and
consider these erroneous because it can lead to feature
misdetection (see [1]).

We can check whether given function exists via
'cc.has_function()' or whether STATX_* macros exist via
'cc.has_header_symbol()'.

1: https://wiki.gentoo.org/wiki/Modern_C_porting
Resolves: https://bugs.gentoo.org/898810
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Message-Id: <8e02776d18595a1c575c90a189ff65f1785f76ca.1685442612.git.mprivozn@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-06-06 09:42:14 +02:00
Max Fritz 0db0fbb5cf Add conditional dependency for libkeyutils
This modification enables better control over the inclusion of libkeyutils
based on the configuration, enhancing the flexibility of the build system.

Signed-off-by: Max Fritz <antischmock@googlemail.com>
Message-Id: <168471463402.18155.3575359027429939965-1@git.sr.ht>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
[thuth: Remove the "kwargs: static_kwargs" part - it's not necessary anymore]
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-06-05 07:27:23 +02:00
Stefano Garzarella 98b126f5e3 qapi: add '@fdset' feature for BlockdevOptionsVirtioBlkVhostVdpa
The virtio-blk-vhost-vdpa driver in libblkio 1.3.0 supports the fd
passing through the new 'fd' property.

Since now we are using qemu_open() on '@path' if the virtio-blk driver
supports the fd passing, let's announce it.
In this way, the management layer can pass the file descriptor of an
already opened vhost-vdpa character device. This is useful especially
when the device can only be accessed with certain privileges.

Add the '@fdset' feature only when the virtio-blk-vhost-vdpa driver
in libblkio supports it.

Suggested-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Message-id: 20230530071941.8954-3-sgarzare@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-06-01 11:08:21 -04:00
Richard Henderson 6479dd74f1 meson: Split test for __int128_t type from __int128_t arithmetic
Older versions of clang have missing runtime functions for arithmetic
with -fsanitize=undefined (see 464e3671f9), so we cannot use
__int128_t for implementing Int128.  But __int128_t is present,
data movement works, and it can be used for atomic128.

Probe for both CONFIG_INT128_TYPE and CONFIG_INT128, adjust
qemu/int128.h to define Int128Alias if CONFIG_INT128_TYPE,
and adjust the meson probe for atomics to use has_int128_type.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-30 09:51:11 -07:00
Paolo Bonzini b17bbf835c configure: ignore --make
Setting the MAKE variable to a GNU Make executable does not really have
any effect: if a non-GNU Make is used, the QEMU Makefile will fail to
parse.  Just remove everything related to --make and $make as dead code.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-26 12:36:20 +02:00
Paolo Bonzini 58e48b2e72 meson: use subproject for internal libfdt
Recent dtc/libfdt can use either Make or meson as the build system.
By using a subproject, our own meson.build can remove the hard
coded list of source files.

This is also the first step towards managing downloads with .wrap
files instead of submodule.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-26 12:34:18 +02:00
Paolo Bonzini 577bdbcf85 meson: simplify logic for -Dfdt
fdt_opt == 'disabled' is going to give an error if libfdt is required
by any target, so catch that immediately.  For fdt_opt == 'enabled',
instead, do not check immediately whether the internal libfdt is present.
Instead do the check after ascertaining that libfdt is absent or too old.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-26 12:34:17 +02:00
Fabiano Rosas bac1bc848b meson: Remove leftover comment
Commit d2e6f9272d ("fuzz: remove fork-fuzzing scaffolding") removed
the linker script and forgot to remove the comment.

Signed-off-by: Fabiano Rosas <farosas@suse.de>
Message-Id: <20230525212044.30222-2-farosas@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-26 12:34:17 +02:00
Richard Henderson 6ad2c71c23 * hot-unplug fixes for ioport
* purge qatomic_mb_read/set from monitor
 * build system fixes
 * OHCI fix from gitlab
 * provide EPYC-Rome CPU model not susceptible to XSAVES erratum
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* hot-unplug fixes for ioport
* purge qatomic_mb_read/set from monitor
* build system fixes
* OHCI fix from gitlab
* provide EPYC-Rome CPU model not susceptible to XSAVES erratum

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# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [undefined]
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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  monitor: do not use mb_read/mb_set
  monitor: extract request dequeuing to a new function
  monitor: introduce qmp_dispatcher_co_wake
  monitor: cleanup fetching of QMP requests
  monitor: cleanup detection of qmp_dispatcher_co shutting down
  monitor: do not use mb_read/mb_set for suspend_cnt
  monitor: add more *_locked() functions
  monitor: allow calling monitor_resume under mon_lock
  monitor: use QEMU_LOCK_GUARD a bit more
  softmmu/ioport.c: make MemoryRegionPortioList owner of portio_list MemoryRegions
  softmmu/ioport.c: QOMify MemoryRegionPortioList
  softmmu/ioport.c: allocate MemoryRegionPortioList ports on the heap
  usb/ohci: Set pad to 0 after frame update
  meson: move -no-pie from linker to compiler
  meson: fix rule for qemu-ga installer
  meson.build: Fix glib -Wno-unused-function workaround
  target/i386: EPYC-Rome model without XSAVES

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-25 08:36:10 -07:00
Paolo Bonzini b03fcd6818 meson: move -no-pie from linker to compiler
The large comment in the patch says it all; the -no-pie flag is broken and
this is why it was not included in QEMU_LDFLAGS before commit a988b4c561
("build: move remaining compiler flag tests to meson", 2023-05-18).  And
some distros made things even worse, so we have to add it to the compiler
command line.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1664
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-25 10:02:43 +02:00
Nicolas Saenz Julienne f49d883d4d meson.build: Fix glib -Wno-unused-function workaround
We want to only enable '-Wno-unused-function' if glib's version is
smaller than '2.57.2' and has a G_DEFINE_AUTOPTR_CLEANUP_FUNC()
implementation that doesn't take into account unused functions. But the
compilation test isn't working as intended as '-Wunused-function' isn't
enabled while running it.

Let's enable it.

Fixes: fc9a809e0d ("build: move glib detection and workarounds to meson")
Signed-off-by: Nicolas Saenz Julienne <nsaenz@amazon.com>

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230524173123.66483-1-nsaenz@amazon.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-25 10:02:37 +02:00
Richard Henderson 87a8d12180 meson: Fix detect atomic128 support with optimization
Silly typo: sizeof(16) != 16.

Fixes: e61f1efeb7 ("meson: Detect atomic128 support with optimization")
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-23 16:51:18 -07:00
Richard Henderson 44fc716873 util: Introduce host-specific cpuinfo.h
The entire contents of the header is host-specific, but the
existence of such a header is not, which could prevent some
host specific ifdefs at the top of the file for the include.

Add host/include/{arch,generic} to the project arguments.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-23 13:49:52 -07:00
Richard Henderson 449d6d9eb4 Hexagon update
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Merge tag 'pull-hex-20230518-1' of https://github.com/quic/qemu into staging

Hexagon update

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* tag 'pull-hex-20230518-1' of https://github.com/quic/qemu: (44 commits)
  Hexagon (linux-user/hexagon): handle breakpoints
  Hexagon (gdbstub): add HVX support
  Hexagon (gdbstub): fix p3:0 read and write via stub
  Hexagon: add core gdbstub xml data for LLDB
  gdbstub: add test for untimely stop-reply packets
  gdbstub: only send stop-reply packets when allowed to
  Remove test_vshuff from hvx_misc tests
  Hexagon (decode): look for pkts with multiple insns at the same slot
  Hexagon (iclass): update J4_hintjumpr slot constraints
  Hexagon: append eflags to unknown cpu model string
  Hexagon: list available CPUs with `-cpu help`
  Hexagon (target/hexagon/*.py): raise exception on reg parsing error
  target/hexagon: fix = vs. == mishap
  Hexagon (target/hexagon) Additional instructions handled by idef-parser
  Hexagon (target/hexagon) Move items to DisasContext
  Hexagon (target/hexagon) Move pkt_has_store_s1 to DisasContext
  Hexagon (target/hexagon) Move pred_written to DisasContext
  Hexagon (target/hexagon) Move new_pred_value to DisasContext
  Hexagon (target/hexagon) Move new_value to DisasContext
  Hexagon (target/hexagon) Make special new_value for USR
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-18 20:44:34 -07:00
Taylor Simpson 63efb6ab56 meson.build Add CONFIG_HEXAGON_IDEF_PARSER
Enable conditional compilation depending on whether idef-parser
is configured

Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230427230012.3800327-2-tsimpson@quicinc.com>
2023-05-18 12:40:51 -07:00
Paolo Bonzini 13f60de816 build: move compiler version check to meson
Use the slighly nicer .version_compare() function for GCC; for Clang that is
not possible due to the mess that Apple does with version numbers.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 13:35:28 +02:00
Paolo Bonzini a988b4c561 build: move remaining compiler flag tests to meson
Remove the only remaining uses of QEMU_CFLAGS.  Now that no
feature tests are done in configure, it is possible to remove
CONFIGURE_CFLAGS and CONFIGURE_LDFLAGS as well.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 13:35:28 +02:00
Paolo Bonzini 95caf1fb42 build: move warning flag selection to meson
Meson already knows to test with the positive form of the flag, which
simplifies the test.  Warnings are now tested explicitly for the C++
compiler, instead of hardcoding those that are only available for
the C language.

At this point all compiler flags in QEMU_CFLAGS are global and only
depend on the OS.  No feature tests are performed in configure.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 13:35:28 +02:00
Paolo Bonzini 911d4caaa2 build: move stack protector flag selection to meson
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 08:53:52 +02:00
Paolo Bonzini 6739825aa6 build: move coroutine backend selection to meson
To simplify the code, rename coroutine-win32.c to match the option
passed to configure.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 08:53:52 +02:00
Paolo Bonzini 721fa5e563 build: move SafeStack tests to meson
This disables the old behavior of detecting SafeStack from environment
CFLAGS.  SafeStack is now enabled purely based on the configure arguments.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 08:53:52 +02:00
Paolo Bonzini 34f983d86f build: move sanitizer tests to meson
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 08:53:52 +02:00
Paolo Bonzini d67212d47f meson: prepare move of QEMU_CFLAGS to meson
Clean up the handling of compiler flags in meson.build, splitting
the general flags that should be included in subprojects as well,
from warning flags that only apply to QEMU itself.  The two were
mixed in both configure tests and meson tests.

This split makes it easier to move the compiler tests piecewise
from configure to Meson.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 08:53:52 +02:00
Paolo Bonzini 6002711c66 configure, meson: move --enable-modules to Meson
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 08:53:52 +02:00
Paolo Bonzini fc9a809e0d build: move glib detection and workarounds to meson
QEMU adds the path to glib.h to all compilation commands.  This is simpler
due to the pervasive use of static_library, and was grandfathered in from
the previous Make-based build system.  Until Meson 0.63 the only way to
do this was to detect glib in configure and use add_project_arguments,
but now it is possible to use add_project_dependencies instead.

gmodule is detected in a separate variable, with export enabled for
modules and disabled for plugin.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 08:53:52 +02:00
Paolo Bonzini 5328353c05 meson: drop unnecessary declare_dependency()
The libvfio_user_dep variable of subprojects/libvfio-user/lib/meson.build
is already a dependency, so there is no need to wrap it with another
declare_dependency().

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 08:53:52 +02:00
Paolo Bonzini bd3615d68f meson: add more version numbers to the summary
Whenever declare_dependency is used to add some compile flags or dependent
libraries to the outcome of dependency(), the version of the original
dependency is dropped in the summary.  Make sure that declare_dependency()
has a version argument in those cases.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 08:53:51 +02:00
Paolo Bonzini 063d5119c1 meson: remove static_kwargs
After static_kwargs has been changed to an empty dictionary, it has
no functional effect and can be removed.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 08:53:51 +02:00
Paolo Bonzini a0cbd2e849 meson: use prefer_static option
The option is new in Meson 0.63 and removes the need to pass "static:
true" to all dependency and find_library invocation.  Actually cleaning
up the invocations is left for a separate patch.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 08:53:51 +02:00
Paolo Bonzini 3b087f79a4 meson: require 0.63.0
This version allows cleanups in modinfo collection, but they only
work with Ninja 1.9.x and 1.8.x is still supported.  It also supports the
equivalent of QEMU's --static option to configure.

The wheel file is bumped to 0.63.3, the last release in the 0.63 branch.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 08:53:51 +02:00
Richard Henderson e61f1efeb7 meson: Detect atomic128 support with optimization
There is an edge condition prior to gcc13 for which optimization
is required to generate 16-byte atomic sequences.  Detect this.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-16 15:21:39 -07:00
Christian Schoenebeck 3887702e5f configure: make clear that VirtFS is 9p
Add '9P' to the summary output section of 'VirtFS' to avoid being
confused with virtiofs.

Based-on: <20230503130757.863824-1-pefoley@google.com>
Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <E1px7Id-0000NE-OQ@lizzy.crudebyte.com>
2023-05-16 16:21:54 +02:00
Peter Foley 1a67e07fe9 Don't require libcap-ng for virtfs support
It's only required for the proxy helper.

Add a new option for the proxy helper rather than enabling it
implicitly.

Change-Id: I95b73fca625529e99d16b0a64e01c65c0c1d43f2
Signed-off-by: Peter Foley <pefoley@google.com>
Message-Id: <20230503130757.863824-1-pefoley@google.com>
[C.S.: - Resolve merge conflict. ]
Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
2023-05-16 16:21:04 +02:00
Sam Li 6d43eaa396 block/block-backend: add block layer APIs resembling Linux ZonedBlockDevice ioctls
Add zoned device option to host_device BlockDriver. It will be presented only
for zoned host block devices. By adding zone management operations to the
host_block_device BlockDriver, users can use the new block layer APIs
including Report Zone and four zone management operations
(open, close, finish, reset, reset_all).

Qemu-io uses the new APIs to perform zoned storage commands of the device:
zone_report(zrp), zone_open(zo), zone_close(zc), zone_reset(zrs),
zone_finish(zf).

For example, to test zone_report, use following command:
$ ./build/qemu-io --image-opts -n driver=host_device, filename=/dev/nullb0
-c "zrp offset nr_zones"

Signed-off-by: Sam Li <faithilikerun@gmail.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Dmitry Fomichev <dmitry.fomichev@wdc.com>
Acked-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20230508045533.175575-4-faithilikerun@gmail.com
Message-id: 20230324090605.28361-4-faithilikerun@gmail.com
[Adjust commit message prefix as suggested by Philippe Mathieu-Daudé
<philmd@linaro.org> and remove spurious ret = -errno in
raw_co_zone_mgmt().
--Stefan]
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-05-15 08:17:03 -04:00
Richard Henderson f779026478 disas: Move disas.c to disas/
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230503072331.1747057-80-richard.henderson@linaro.org>
2023-05-11 09:49:25 +01:00
Richard Henderson caa9cbd566 Block layer patches
- Graph locking, part 3 (more block drivers)
 - Compile out assert_bdrv_graph_readable() by default
 - Add configure options for vmdk, vhdx and vpc
 - Fix use after free in blockdev_mark_auto_del()
 - migration: Attempt disk reactivation in more failure scenarios
 - Coroutine correctness fixes
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Merge tag 'for-upstream' of https://repo.or.cz/qemu/kevin into staging

Block layer patches

- Graph locking, part 3 (more block drivers)
- Compile out assert_bdrv_graph_readable() by default
- Add configure options for vmdk, vhdx and vpc
- Fix use after free in blockdev_mark_auto_del()
- migration: Attempt disk reactivation in more failure scenarios
- Coroutine correctness fixes

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* tag 'for-upstream' of https://repo.or.cz/qemu/kevin: (28 commits)
  block: compile out assert_bdrv_graph_readable() by default
  block: Mark bdrv_refresh_limits() and callers GRAPH_RDLOCK
  block: Mark bdrv_recurse_can_replace() and callers GRAPH_RDLOCK
  block: Mark bdrv_query_block_graph_info() and callers GRAPH_RDLOCK
  block: Mark bdrv_query_bds_stats() and callers GRAPH_RDLOCK
  block: Mark BlockDriver callbacks for amend job GRAPH_RDLOCK
  block: Mark bdrv_co_debug_event() GRAPH_RDLOCK
  block: Mark bdrv_co_get_info() and callers GRAPH_RDLOCK
  block: Mark bdrv_co_get_allocated_file_size() and callers GRAPH_RDLOCK
  mirror: Require GRAPH_RDLOCK for accessing a node's parent list
  vhdx: Require GRAPH_RDLOCK for accessing a node's parent list
  nbd: Mark nbd_co_do_establish_connection() and callers GRAPH_RDLOCK
  nbd: Remove nbd_co_flush() wrapper function
  block: .bdrv_open is non-coroutine and unlocked
  graph-lock: Fix GRAPH_RDLOCK_GUARD*() to be reader lock
  graph-lock: Add GRAPH_UNLOCKED(_PTR)
  test-bdrv-drain: Don't modify the graph in coroutines
  iotests: Test resizing image attached to an iothread
  block: Don't call no_coroutine_fns in qmp_block_resize()
  block: bdrv/blk_co_unref() for calls in coroutine context
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-10 14:52:03 +01:00
Stefan Hajnoczi 58a2e3f5c3 block: compile out assert_bdrv_graph_readable() by default
reader_count() is a performance bottleneck because the global
aio_context_list_lock mutex causes thread contention. Put this debugging
assertion behind a new ./configure --enable-debug-graph-lock option and
disable it by default.

The --enable-debug-graph-lock option is also enabled by the more general
--enable-debug option.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20230501173443.153062-1-stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-05-10 14:16:54 +02:00
Vladimir Sementsov-Ogievskiy 11cea42e17 block: add configure options for excluding vmdk, vhdx and vpc
Let's add --enable / --disable configure options for these formats,
so that those who don't need them may not build them.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Message-Id: <20230421092758.814122-1-vsementsov@yandex-team.ru>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-05-10 14:15:13 +02:00
Richard Henderson 568992e344 QAPI patches patches for 2023-05-09
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Merge tag 'pull-qapi-2023-05-09-v2' of https://repo.or.cz/qemu/armbru into staging

QAPI patches patches for 2023-05-09

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* tag 'pull-qapi-2023-05-09-v2' of https://repo.or.cz/qemu/armbru:
  qapi: Reformat doc comments to conform to current conventions
  qga/qapi-schema: Reformat doc comments to conform to current conventions
  docs/devel/qapi-code-gen: Update doc comment conventions
  qapi: Section parameter @indent is no longer used, drop
  qapi: Relax doc string @name: description indentation rules
  qapi: Rewrite parsing of doc comment section symbols and tags
  qapi: Fix argument description indentation stripping
  tests/qapi-schema/doc-good: Improve argument description tests
  tests/qapi-schema/doc-good: Improve a comment
  qapi/dump: Indent bulleted lists consistently
  qapi: Tidy up a slightly awkward TODO comment
  sphinx/qapidoc: Do not emit TODO sections into user manuals
  Revert "qapi: BlockExportRemoveMode: move comments to TODO"
  meson: Fix to make QAPI generator output depend on main.py
  qapi: Fix crash on stray double quote character
  docs/devel/qapi-code-gen: Turn FIXME admonitions into comments
  docs/devel/qapi-code-gen: Clean up use of quotes a bit

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-10 13:11:29 +01:00
Markus Armbruster 88d357d292 meson: Fix to make QAPI generator output depend on main.py
@qapi_gen_depends is missing scripts/qapi/main.py.  Fix that, and drop
a duplicate scripts/qapi/common.py.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230428105429.1687850-5-armbru@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
2023-05-09 09:03:57 +02:00
Paolo Bonzini ef709860ea meson: leave unnecessary modules out of the build
meson.build files choose whether to build modules based on foo.found()
expressions.  If a feature is enabled (e.g. --enable-gtk), these expressions
are true even if the code is not used by any emulator, and this results
in an unexpected difference between modular and non-modular builds.

For non-modular builds, the files are not included in any binary, and
therefore the source files are never processed.  For modular builds,
however, all .so files are unconditionally built by default, and therefore
a normal "make" tries to build them.  However, the corresponding trace-*.h
files are absent due to this conditional:

if have_system
  trace_events_subdirs += [
    ...
    'ui',
    ...
  ]
endif

which was added to avoid wasting time running tracetool on unused trace-events
files.  This causes a compilation failure; fix it by skipping module builds
entirely if (depending on the module directory) have_block or have_system
are false.

Reported-by: Michael Tokarev <mjt@tls.msk.ru>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-08 19:04:52 +02:00
Dorinda Bassey c2d3d1c294 audio/pwaudio.c: Add Pipewire audio backend for QEMU
This commit adds a new audiodev backend to allow QEMU to use Pipewire as
both an audio sink and source. This backend is available on most systems

Add Pipewire entry points for QEMU Pipewire audio backend
Add wrappers for QEMU Pipewire audio backend in qpw_pcm_ops()
qpw_write function returns the current state of the stream to pwaudio
and Writes some data to the server for playback streams using pipewire
spa_ringbuffer implementation.
qpw_read function returns the current state of the stream to pwaudio and
reads some data from the server for capture streams using pipewire
spa_ringbuffer implementation. These functions qpw_write and qpw_read
are called during playback and capture.
Added some functions that convert pw audio formats to QEMU audio format
and vice versa which would be needed in the pipewire audio sink and
source functions qpw_init_in() & qpw_init_out().
These methods that implement playback and recording will create streams
for playback and capture that will start processing and will result in
the on_process callbacks to be called.
Built a connection to the Pipewire sound system server in the
qpw_audio_init() method.

Signed-off-by: Dorinda Bassey <dbassey@redhat.com>
Reviewed-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <20230417105654.32328-1-dbassey@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2023-05-05 13:23:08 +04:00
Richard Henderson dc165fcd4e migration/xbzrle: Use __attribute__((target)) for avx512
Use the attribute, which is supported by clang, instead of
the #pragma, which is not supported and, for some reason,
also not detected by the meson probe, so we fail by -Werror.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20230501210555.289806-1-richard.henderson@linaro.org>
2023-05-02 13:05:45 -07:00
Emilio Cota e3feb2cc22 util: import GTree as QTree
The only reason to add this implementation is to control the memory allocator
used. Some users (e.g. TCG) cannot work reliably in multi-threaded
environments (e.g. forking in user-mode) with GTree's allocator, GSlice.
See https://gitlab.com/qemu-project/qemu/-/issues/285 for details.

Importing GTree is a temporary workaround until GTree migrates away
from GSlice.

This implementation is identical to that in glib v2.75.0, except that
we don't import recent additions to the API nor deprecated API calls,
none of which are used in QEMU.

I've imported tests from glib and added a benchmark just to
make sure that performance is similar. Note: it cannot be identical
because (1) we are not using GSlice, (2) we use different compilation flags
(e.g. -fPIC) and (3) we're linking statically.

$ cat /proc/cpuinfo| grep 'model name' | head -1
model name      : AMD Ryzen 7 PRO 5850U with Radeon Graphics
$ echo '0' | sudo tee /sys/devices/system/cpu/cpufreq/boost
$ tests/bench/qtree-bench

 Tree         Op      32            1024            4096          131072         1048576
------------------------------------------------------------------------------------------------
GTree     Lookup   83.23           43.08           25.31           19.40           16.22
QTree     Lookup  113.42 (1.36x)   53.83 (1.25x)   28.38 (1.12x)   17.64 (0.91x)   13.04 (0.80x)
GTree     Insert   44.23           29.37           25.83           19.49           17.03
QTree     Insert   46.87 (1.06x)   25.62 (0.87x)   24.29 (0.94x)   16.83 (0.86x)   12.97 (0.76x)
GTree     Remove   53.27           35.15           31.43           24.64           16.70
QTree     Remove   57.32 (1.08x)   41.76 (1.19x)   38.37 (1.22x)   29.30 (1.19x)   15.07 (0.90x)
GTree  RemoveAll  135.44          127.52          126.72          120.11           64.34
QTree  RemoveAll  127.15 (0.94x)  110.37 (0.87x)  107.97 (0.85x)   97.13 (0.81x)   55.10 (0.86x)
GTree   Traverse  277.71          276.09          272.78          246.72           98.47
QTree   Traverse  370.33 (1.33x)  411.97 (1.49x)  400.23 (1.47x)  262.82 (1.07x)   78.52 (0.80x)
------------------------------------------------------------------------------------------------

As a sanity check, the same benchmark when Glib's version
is >= $glib_dropped_gslice_version (i.e. QTree == GTree):

 Tree         Op      32            1024            4096          131072         1048576
------------------------------------------------------------------------------------------------
GTree     Lookup   82.72           43.09           24.18           19.73           16.09
QTree     Lookup   81.82 (0.99x)   43.10 (1.00x)   24.20 (1.00x)   19.76 (1.00x)   16.26 (1.01x)
GTree     Insert   45.07           29.62           26.34           19.90           17.18
QTree     Insert   45.72 (1.01x)   29.60 (1.00x)   26.38 (1.00x)   19.71 (0.99x)   17.20 (1.00x)
GTree     Remove   54.48           35.36           31.77           24.97           16.95
QTree     Remove   54.46 (1.00x)   35.32 (1.00x)   31.77 (1.00x)   24.91 (1.00x)   17.15 (1.01x)
GTree  RemoveAll  140.68          127.36          125.43          121.45           68.20
QTree  RemoveAll  140.65 (1.00x)  127.64 (1.00x)  125.01 (1.00x)  121.73 (1.00x)   67.06 (0.98x)
GTree   Traverse  278.68          276.05          266.75          251.65          104.93
QTree   Traverse  278.31 (1.00x)  275.78 (1.00x)  266.42 (1.00x)  247.89 (0.99x)  104.58 (1.00x)
------------------------------------------------------------------------------------------------

Signed-off-by: Emilio Cota <cota@braap.org>
Message-Id: <20230205163758.416992-2-cota@braap.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-28 15:23:10 -07:00
Marc-André Lureau 84a0a2ef0a ui/dbus: do not require opengl & gbm
Allow to build & use the DBus display without 3d/GPU acceleration support.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2023-03-13 23:48:45 +04:00
Richard Henderson 29c87a281e tracing: remove transform.py
This file, and a couple of uses, got left behind when the
tcg stuff was removed from tracetool.

Fixes: 126d4123c5 ("tracing: excise the tcg related from tracetool")
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05 13:44:08 -08:00
David Woodhouse aa98ee38a5 hw/xen: Implement emulated PIRQ hypercall support
This wires up the basic infrastructure but the actual interrupts aren't
there yet, so don't advertise it to the guest.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
2023-03-01 09:09:01 +00:00
David Woodhouse 820c1aba51 xen: add CONFIG_XEN_BUS and CONFIG_XEN_EMU options for Xen emulation
The XEN_EMU option will cover core Xen support in target/, which exists
only for x86 with KVM today but could theoretically also be implemented
on Arm/Aarch64 and with TCG or other accelerators (if anyone wants to
run the gauntlet of struct layout compatibility, errno mapping, and the
rest of that fui).

It will also cover the support for architecture-independent grant table
and event channel support which will be added in hw/i386/kvm/ (on the
basis that the non-KVM support is very theoretical and making it not use
KVM directly seems like gratuitous overengineering at this point).

The XEN_BUS option is for the xenfv platform support, which will now be
used both by XEN_EMU and by real Xen.

The XEN option remains dependent on the Xen runtime libraries, and covers
support for real Xen. Some code which currently resides under CONFIG_XEN
will be moving to CONFIG_XEN_BUS over time as the direct dependencies on
Xen runtime libraries are eliminated. The Xen PCI platform device will
also reside under CONFIG_XEN_BUS.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
2023-03-01 08:22:49 +00:00
Philippe Mathieu-Daudé 31ffa2aa3c cpu: Remove capstone meson dependency
Only disas.c requires capstone CFLAGS, not cpu.c.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20221130135241.85060-2-philmd@linaro.org>
2023-02-27 22:28:54 +01:00
Peter Maydell 3f21065f09 * x86 bugfixes
* OpenBSD support for naming threads
 * Refined Python support policy
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* x86 bugfixes
* OpenBSD support for naming threads
* Refined Python support policy

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# gpg: Signature made Tue 21 Feb 2023 13:10:49 GMT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  target/i386/gdbstub: Fix a bug about order of FPU stack in 'g' packets.
  docs: build-platforms: refine requirements on Python build dependencies
  thread-posix: add support for setting threads name on OpenBSD
  target/i386: Fix 32-bit AD[CO]X insns in 64-bit mode

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-02-24 12:46:59 +00:00
Pierrick Bouvier dbd672c87f sysemu/os-win32: fix setjmp/longjmp on windows-arm64
Windows implementation of setjmp/longjmp is done in
C:/WINDOWS/system32/ucrtbase.dll. Alas, on arm64, it seems to *always*
perform stack unwinding, which crashes from generated code.

By using alternative implementation built in mingw, we avoid doing stack
unwinding and this fixes crash when calling longjmp.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230221153006.20300-3-pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-02-21 13:45:48 -10:00
Peter Maydell 4919d0c44a Replace fork-based fuzzing with reboots.
Now the fuzzers will reboot the guest between inputs.
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Merge tag 'pr-2023-02-16' of https://gitlab.com/a1xndr/qemu into staging

Replace fork-based fuzzing with reboots.
Now the fuzzers will reboot the guest between inputs.

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# gpg: Signature made Fri 17 Feb 2023 04:04:10 GMT
# gpg:                using RSA key FAD4E2BF871375D6340517C44E661DDE583A964E
# gpg: Good signature from "Alexander Bulekov <alxndr@bu.edu>" [unknown]
# 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: FAD4 E2BF 8713 75D6 3405  17C4 4E66 1DDE 583A 964E

* tag 'pr-2023-02-16' of https://gitlab.com/a1xndr/qemu:
  docs/fuzz: remove mentions of fork-based fuzzing
  fuzz: remove fork-fuzzing scaffolding
  fuzz/i440fx: remove fork-based fuzzer
  fuzz/virtio-blk: remove fork-based fuzzer
  fuzz/virtio-net: remove fork-based fuzzer
  fuzz/virtio-scsi: remove fork-based fuzzer
  fuzz/generic-fuzz: add a limit on DMA bytes written
  fuzz/generic-fuzz: use reboots instead of forks to reset state
  fuzz: add fuzz_reset API
  hw/sparse-mem: clear memory on reset

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-02-21 11:28:01 +00:00
Brad Smith 3ada67a306 thread-posix: add support for setting threads name on OpenBSD
Make use of pthread_set_name_np() to be able to set the threads name
on OpenBSD.

Signed-off-by: Brad Smith <brad@comstyle.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <Y57NrCmPTVSXLWC4@humpty.home.comstyle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-02-17 09:56:34 +01:00
Alexander Bulekov d2e6f9272d fuzz: remove fork-fuzzing scaffolding
Fork-fuzzing provides a few pros, but our implementation prevents us
from using fuzzers other than libFuzzer, and may be causing issues such
as coverage-failure builds on OSS-Fuzz. It is not a great long-term
solution as it depends on internal implementation details of libFuzzer
(which is no longer in active development). Remove it in favor of other
methods of resetting state between inputs.

Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
2023-02-16 23:02:46 -05:00
Dr. David Alan Gilbert 8ab5e8a503 virtiofsd: Remove build and docs glue
Remove all the virtiofsd build and docs infrastructure.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-02-16 18:15:08 +00:00
Alex Bennée bb9ecae70b build: deprecate --enable-gprof builds and remove from CI
As gprof relies on instrumentation you rarely get useful data compared
to a real optimised build. Lets deprecate the build option and
simplify the CI configuration as a result.

Buglink: https://gitlab.com/qemu-project/qemu/-/issues/1338
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230131094224.861621-1-alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-02-14 09:02:42 +01:00
Ilya Leoshkevich 550c6d97de meson: Disable libdw for static builds by default
Static QEMU build fails on Debian Bullseye:

    /usr/bin/ld: /usr/lib/x86_64-linux-gnu/libdw.a(debuginfod-client.o): in function `__libdwfl_debuginfod_init':
    (.text.startup+0x17): undefined reference to `dlopen'

The reason is that pkg-config does not suggest -ldl for libdw, and
adding --extra-ldflags="-ldl" resolves the issue. However, static
linking with libdw is an unclear topic:

* Linux perf does it.
* Debian's libdw-dev description says:

      Only link to the static version for special cases and when you
      don't need anything from the ebl backends.

* As the error message above indicates, -ldl is also needed for
  debuginfod support.

The functionality provided by libdw is needed for analyzing performance
of JITed code, which is mostly useful to developers and researchers.
Therefore, in order to avoid unpleasant surprises for people who don't
need this, simply disable libdw for static builds by default. It can
still be enabled explicitly if needed.

Reported-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230210005208.438142-2-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-02-14 09:02:42 +01:00
Ilya Leoshkevich bc71d58fd7 meson: Add missing libdw knobs
Add the missing meson infrastructure bits for the new libdw
dependency. Model them after the existing capstone knobs.

Fixes: 7c10cb38cc ("accel/tcg: Add debuginfo support")
Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230210005208.438142-1-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-02-14 09:02:42 +01:00
ling xu 04ffce137b AVX512 support for xbzrle_encode_buffer
This commit is the same with [PATCH v6 1/2], and provides avx512 support for xbzrle_encode_buffer
function to accelerate xbzrle encoding speed. Runtime check of avx512
support and benchmark for this feature are added. Compared with C
version of xbzrle_encode_buffer function, avx512 version can achieve
50%-70% performance improvement on benchmarking. In addition, if dirty
data is randomly located in 4K page, the avx512 version can achieve
almost 140% performance gain.

Signed-off-by: ling xu <ling1.xu@intel.com>
Co-authored-by: Zhou Zhao <zhou.zhao@intel.com>
Co-authored-by: Jun Jin <jun.i.jin@intel.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-02-11 16:51:09 +01:00
Peter Maydell ceabf6e500 linux-user branch pull request 20230204
Implement execveat()
 un-parent OBJECT(cpu) when closing thread
 Revert fix for glibc >= 2.36 sys/mount.h
 Fix/update strace
 move target_flat.h to target subdirs
 Fix SO_ERROR return code of getsockopt()
 Fix /proc/cpuinfo output for hppa
 Add emulation for MADV_WIPEONFORK and MADV_KEEPONFORK in madvise()
 Implement SOL_ALG encryption support
 linux-user: Allow sendmsg() without IOV
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Merge tag 'linux-user-for-8.0-pull-request' of https://gitlab.com/laurent_vivier/qemu into staging

linux-user branch pull request 20230204

Implement execveat()
un-parent OBJECT(cpu) when closing thread
Revert fix for glibc >= 2.36 sys/mount.h
Fix/update strace
move target_flat.h to target subdirs
Fix SO_ERROR return code of getsockopt()
Fix /proc/cpuinfo output for hppa
Add emulation for MADV_WIPEONFORK and MADV_KEEPONFORK in madvise()
Implement SOL_ALG encryption support
linux-user: Allow sendmsg() without IOV

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# gpg: Signature made Sat 04 Feb 2023 16:08:05 GMT
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* tag 'linux-user-for-8.0-pull-request' of https://gitlab.com/laurent_vivier/qemu: (22 commits)
  linux-user: Allow sendmsg() without IOV
  linux-user: Implement SOL_ALG encryption support
  linux-user: Enhance strace output for various syscalls
  linux-user: Show 4th argument of rt_sigprocmask() in strace
  linux-user: Add emulation for MADV_WIPEONFORK and MADV_KEEPONFORK in madvise()
  linux-user: Improve strace output of personality() and sysinfo()
  linux-user: Fix /proc/cpuinfo output for hppa
  linux-user: Fix SO_ERROR return code of getsockopt()
  linux-user: move target_flat.h to target subdirs
  linux-user: Improve strace output of getgroups() and setgroups()
  linux-user: Add strace output for clock_getres_time64() and futex_time64()
  Revert "linux-user: fix compat with glibc >= 2.36 sys/mount.h"
  Revert "linux-user: add more compat ioctl definitions"
  linux-user: add more netlink protocol constants
  linux-user: fix strace build w/out munlockall
  linux-user: un-parent OBJECT(cpu) when closing thread
  linux-user: Add missing MAP_HUGETLB and MAP_STACK flags in strace
  linux-user/syscall: Implement execveat()
  linux-user/syscall: Extract do_execve() from do_syscall1()
  linux-user/strace: Add output for execveat() syscall
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-02-04 17:17:15 +00:00
Peter Maydell 579510e196 Monitor patches for 2023-02-03
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Merge tag 'pull-monitor-2023-02-03-v2' of https://repo.or.cz/qemu/armbru into staging

Monitor patches for 2023-02-03

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# gpg: Signature made Sat 04 Feb 2023 06:59:20 GMT
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* tag 'pull-monitor-2023-02-03-v2' of https://repo.or.cz/qemu/armbru: (35 commits)
  monitor: Rename misc.c to hmp-target.c
  monitor: Loosen coupling between misc.c and monitor.c slightly
  monitor: Move remaining QMP stuff from misc.c to qmp-cmds.c
  monitor: Move remaining HMP commands from misc.c to hmp-cmds.c
  monitor: Move target-dependent HMP commands to hmp-cmds-target.c
  monitor: Move monitor_putc() next to monitor_puts & external linkage
  monitor: Split file descriptor passing stuff off misc.c
  qdev: Move HMP command completion from monitor to softmmu/
  acpi: Move the QMP command from monitor/ to hw/acpi/
  stats: Move HMP commands from monitor/ to stats/
  stats: Move QMP commands from monitor/ to stats/
  runstate: Move HMP commands from monitor/ to softmmu/
  tpm: Move HMP commands from monitor/ to softmmu/
  virtio: Move HMP commands from monitor/ to hw/virtio/
  migration: Move the QMP command from monitor/ to migration/
  migration: Move HMP commands from monitor/ to migration/
  net: Move hmp_info_network() to net-hmp-cmds.c
  net: Move HMP commands from monitor to net/
  hmp: Rewrite strlist_from_comma_list() as hmp_split_at_comma()
  rocker: Move HMP commands from monitor to hw/net/rocker/
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-02-04 10:19:55 +00:00
Markus Armbruster aa09b3d5f8 stats: Move QMP commands from monitor/ to stats/
This moves these commands from MAINTAINERS section "QMP" to new
section "Stats".  Status is Orphan.  Volunteers welcome!

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230124121946.1139465-23-armbru@redhat.com>
2023-02-04 07:56:54 +01:00
Daniel P. Berrangé 6003159ce1 Revert "linux-user: fix compat with glibc >= 2.36 sys/mount.h"
This reverts commit 3cd3df2a95.

glibc has fixed (in 2.36.9000-40-g774058d729) the problem
that caused a clash when both sys/mount.h annd linux/mount.h
are included, and backported this to the 2.36 stable release
too:

  https://sourceware.org/glibc/wiki/Release/2.36#Usage_of_.3Clinux.2Fmount.h.3E_and_.3Csys.2Fmount.h.3E

It is saner for QEMU to remove the workaround it applied for
glibc 2.36 and expect distros to ship the 2.36 maint release
with the fix. This avoids needing to add a further workaround
to QEMU to deal with the fact that linux/brtfs.h now also pulls
in linux/mount.h via linux/fs.h since Linux 6.1

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20230110174901.2580297-3-berrange@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2023-02-03 22:55:12 +01:00
Peter Maydell f991d61d35 Testing, docs, semihosting and plugin updates
- update playbooks for custom runners
   - add section timing support to gitlab
   - upgrade fedora images to 37
   - purge perl from the build system and deps
   - disable unstable tests in CI
   - improve intro, emulation and semihosting docs
   - semihosting bug fix and O_BINARY default
   - add memory-sve test
   - fix some races in qht
   - improve plugin handling of memory helpers
   - optimise plugin hooks
   - fix some plugin deadlocks
   - reduce win64-cross build time by dropping some targets
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Merge tag 'pull-jan-omnibus-020223-1' of https://gitlab.com/stsquad/qemu into staging

Testing, docs, semihosting and plugin updates

  - update playbooks for custom runners
  - add section timing support to gitlab
  - upgrade fedora images to 37
  - purge perl from the build system and deps
  - disable unstable tests in CI
  - improve intro, emulation and semihosting docs
  - semihosting bug fix and O_BINARY default
  - add memory-sve test
  - fix some races in qht
  - improve plugin handling of memory helpers
  - optimise plugin hooks
  - fix some plugin deadlocks
  - reduce win64-cross build time by dropping some targets

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# -----END PGP SIGNATURE-----
# gpg: Signature made Thu 02 Feb 2023 15:59:52 GMT
# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* tag 'pull-jan-omnibus-020223-1' of https://gitlab.com/stsquad/qemu: (36 commits)
  gitlab: cut even more from cross-win64-system build
  plugins: Iterate on cb_lists in qemu_plugin_user_exit
  cpu-exec: assert that plugin_mem_cbs is NULL after execution
  tcg: exclude non-memory effecting helpers from instrumentation
  translator: always pair plugin_gen_insn_{start, end} calls
  plugins: fix optimization in plugin_gen_disable_mem_helpers
  plugins: make qemu_plugin_user_exit's locking order consistent with fork_start's
  util/qht: use striped locks under TSAN
  thread: de-const qemu_spin_destroy
  util/qht: add missing atomic_set(hashes[i])
  cpu: free cpu->tb_jmp_cache with RCU
  tests/tcg: add memory-sve test for aarch64
  semihosting: add O_BINARY flag in host_open for NT compatibility
  semihosting: Write back semihosting data before completion callback
  docs: add an introduction to the system docs
  semihosting: add semihosting section to the docs
  docs: add a new section to outline emulation support
  docs: add hotlinks to about preface text
  MAINTAINERS: Fix the entry for tests/tcg/nios2
  gitlab: wrap up test results for custom runners
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-02-02 18:00:41 +00:00
Marc-André Lureau e2c4012bc3 build-sys: fix crlf-ending C code
On msys2, the shader-to-C script produces bad C:
./ui/shader/texture-blit-vert.h:2:5: error: missing terminating " character [-Werror]

Fix it by changing the line ending from crlf to lf, and convert the
script to Python (qemu build seems perl-free after that).

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230110132700.833690-2-marcandre.lureau@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230124180127.1881110-6-alex.bennee@linaro.org>
2023-02-02 10:44:23 +00:00
Philippe Mathieu-Daudé ec6bf79d7d qemu/bswap: Use compiler __builtin_bswap() on NetBSD
Since commit efc6c070ac ("configure: Add a test for the minimum
compiler version") the minimum compiler version required for GCC
is 4.8, which supports __builtin_bswap().
Remove the NetBSD specific ifdef'ry.

This reverts commit 1360677cfe
("makes NetBSD use the native bswap functions").

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230111163147.71761-7-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-01-26 13:25:07 +01:00
Philippe Mathieu-Daudé e76ce15db7 qemu/bswap: Remove <byteswap.h> dependency
Since commit efc6c070ac ("configure: Add a test for the minimum
compiler version") the minimum compiler version required for GCC
is 4.8, which supports __builtin_bswap().
Drop the <byteswap.h> dependency.

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230111163147.71761-4-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-01-26 13:25:07 +01:00
Markus Armbruster 34d55725e6 ui/spice: Require spice-server >= 0.14.0
Version 0.14.0 is now old enough to have made it into the major
distributions:

     Debian 11: 0.14.3
     RHEL-8: 0.14.3
     FreeBSD (ports): 0.15.0
     Fedora 35: 0.15.0
     Ubuntu 20.04: 0.14.2
     OpenSUSE Leap 15.3: 0.14.3

Requiring it lets us drop a number of version checks.  The next commit
will clean up some more.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230109190321.1056914-6-armbru@redhat.com>
2023-01-19 13:30:01 +01:00
Markus Armbruster 5c167b5301 ui/spice: Require spice-protocol >= 0.14.0
Version 0.14.0 is now old enough to have made it into the major
distributions:

   Debian 11: 0.14.3
   RHEL-8: 0.14.2
   FreeBSD (ports): 0.14.4
   Fedora 35: 0.14.0
   Ubuntu 20.04: 0.14.0
   OpenSUSE Leap 15.3: 0.14.3

Requiring it lets us drop two version checks in ui/vdagent.c.  It also
enables the next commit.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230109190321.1056914-4-armbru@redhat.com>
2023-01-19 13:30:01 +01:00
Richard Henderson 701ea5870d util/bufferiszero: Use __attribute__((target)) for avx2/avx512
Use the attribute, which is supported by clang, instead of
the #pragma, which is not supported and, for some reason,
also not detected by the meson probe, so we fail by -Werror.

Include only <immintrin.h> as that is the outermost "official"
header for these intrinsics -- emmintrin.h and smmintrin -- are
older SSE2 and SSE4 specific headers, while the immintrin.h
includes all of the Intel intrinsics.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-16 10:14:12 -10:00
Ilya Leoshkevich 7c10cb38cc accel/tcg: Add debuginfo support
Add libdw-based functions for loading and querying debuginfo. Load
debuginfo from the system and the linux-user loaders.

This is useful for the upcoming perf support, which can then put
human-readable guest symbols instead of raw guest PCs into perfmap and
jitdump files.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230112152013.125680-3-iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-16 10:14:12 -10:00
Paolo Bonzini f995037430 mips: Always include nanomips disassembler
Since the nanomips disassembler is not C++ code anymore, it need not
depend on link_language == cpp.  Always include it and remove the
CONFIG_NANOMIPS_DIS symbol.

Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20230110084942.299460-1-pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-01-13 16:22:53 +01:00
Peter Maydell 3d83b78285 * Atomic memslot updates for KVM (Emanuele, David)
* Always send errors to logfile when daemonized (Greg)
 * Add support for IDE CompactFlash card (Lubomir)
 * First round of build system cleanups (myself)
 * First round of feature removals (myself)
 * Reduce "qemu/accel.h" inclusion (Philippe)
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* Atomic memslot updates for KVM (Emanuele, David)
* Always send errors to logfile when daemonized (Greg)
* Add support for IDE CompactFlash card (Lubomir)
* First round of build system cleanups (myself)
* First round of feature removals (myself)
* Reduce "qemu/accel.h" inclusion (Philippe)

# gpg: Signature made Thu 05 Jan 2023 23:51:09 GMT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (24 commits)
  i386: SGX: remove deprecated member of SGXInfo
  target/i386: Add SGX aex-notify and EDECCSSA support
  util: remove support -chardev tty and -chardev parport
  util: remove support for hex numbers with a scaling suffix
  KVM: remove support for kernel-irqchip=off
  docs: do not talk about past removal as happening in the future
  meson: accept relative symlinks in "meson introspect --installed" data
  meson: cleanup compiler detection
  meson: support meson 0.64 -Doptimization=plain
  configure: test all warnings
  tests/qapi-schema: remove Meson workaround
  meson: cleanup dummy-cpus.c rules
  meson: tweak hardening options for Windows
  configure: remove backwards-compatibility and obsolete options
  configure: preserve qemu-ga variables
  configure: cleanup $cpu tests
  configure: remove dead function
  configure: remove useless write_c_skeleton
  ide: Add "ide-cf" driver, a CompactFlash card
  ide: Add 8-bit data mode
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-08 14:27:40 +00:00
Peter Maydell aaa90fede5 Fix race conditions in new user-only vma tracking.
Add tcg backend paired register allocation.
 Cleanup tcg backend function call abi.
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Merge tag 'pull-tcg-20230105' of https://gitlab.com/rth7680/qemu into staging

Fix race conditions in new user-only vma tracking.
Add tcg backend paired register allocation.
Cleanup tcg backend function call abi.

# gpg: Signature made Fri 06 Jan 2023 03:12:17 GMT
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* tag 'pull-tcg-20230105' of https://gitlab.com/rth7680/qemu: (47 commits)
  tests/tcg/multiarch: add vma-pthread.c
  accel/tcg: Handle false negative lookup in page_check_range
  accel/tcg: Use g_free_rcu for user-exec interval trees
  accel/tcg: Fix tb_invalidate_phys_page_unwind
  tcg: Add TCGHelperInfo argument to tcg_out_call
  tcg/aarch64: Merge tcg_out_callr into tcg_out_call
  tcg: Move ffi_cif pointer into TCGHelperInfo
  tcg: Factor init_ffi_layouts() out of tcg_context_init()
  tcg: Convert typecode_to_ffi from array to function
  tcg: Reorg function calls
  tcg: Use output_pref wrapper function
  tcg: Vary the allocation size for TCGOp
  tcg: Pass number of arguments to tcg_emit_op() / tcg_op_insert_*()
  accel/tcg/plugin: Use copy_op in append_{udata,mem}_cb
  accel/tcg/plugin: Avoid duplicate copy in copy_call
  accel/tcg/plugin: Don't search for the function pointer index
  tcg: Use TCG_CALL_ARG_EVEN for TCI special case
  tcg: Replace TCG_TARGET_EXTEND_ARGS with TCG_TARGET_CALL_ARG_I32
  tcg: Replace TCG_TARGET_CALL_ALIGN_ARGS with TCG_TARGET_CALL_ARG_I64
  tcg: Introduce TCGCallReturnKind and TCGCallArgumentKind
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-06 15:40:37 +00:00
Paolo Bonzini e513402436 meson: cleanup compiler detection
Detect all compilers at the beginning of meson.build, and store
the available languages in an array.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-01-06 00:51:02 +01:00
Paolo Bonzini 6a97f39392 meson: support meson 0.64 -Doptimization=plain
In Meson 0.64, the optimization built-in option now accepts the "plain" value,
which will not set any optimization flags.  While QEMU does not check the
contents of the option and therefore does not suffer any ill effect
from the new value, it uses get_option to print the optimization flags
in the summary.  Clean the code up to remove duplication, and check for
-Doptimization=plain at the same time.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-01-06 00:51:02 +01:00
Paolo Bonzini 2d73fa7472 meson: tweak hardening options for Windows
meson.build has been enabling ASLR _only_ for debug builds since
commit d2147e04f9 ("configure: move Windows flags detection to meson",
2022-05-07); instead it was supposed to disable it for debug builds.

However, the flag has been enabled for DLLs upstream for roughly 2
years (https://sourceware.org/bugzilla/show_bug.cgi?id=19011), and
also by some distros including Debian for 6 years even
(https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=836365).

Enable it unconditionally; we can fix the reversed logic of commit
d2147e04f9 later if there are any reports, but for now just
enable the hardening.

Also add -Wl,--high-entropy-va, which also controls ASLR.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-01-06 00:51:02 +01:00
Richard Henderson ed145144c4 meson: Move CONFIG_TCG_INTERPRETER to config_host
Like CONFIG_TCG, the enabled method of execution is a host property
not a guest property.  This exposes the define to compile-once files.

Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-04 16:20:01 -08:00
Michal Privoznik 6bb613f081 hostmem: Honor multiple preferred nodes if possible
If a memory-backend is configured with mode
HOST_MEM_POLICY_PREFERRED then
host_memory_backend_memory_complete() calls mbind() as:

  mbind(..., MPOL_PREFERRED, nodemask, ...);

Here, 'nodemask' is a bitmap of host NUMA nodes and corresponds
to the .host-nodes attribute. Therefore, there can be multiple
nodes specified. However, the documentation to MPOL_PREFERRED
says:

  MPOL_PREFERRED
    This mode sets the preferred node for allocation. ...
    If nodemask specifies more than one node ID, the first node
    in the mask will be selected as the preferred node.

Therefore, only the first node is honored and the rest is
silently ignored. Well, with recent changes to the kernel and
numactl we can do better.

The Linux kernel added in v5.15 via commit cfcaa66f8032
("mm/hugetlb: add support for mempolicy MPOL_PREFERRED_MANY")
support for MPOL_PREFERRED_MANY, which accepts multiple preferred
NUMA nodes instead.

Then, numa_has_preferred_many() API was introduced to numactl
(v2.0.15~26) allowing applications to query kernel support.

Wiring this all together, we can pass MPOL_PREFERRED_MANY to the
mbind() call instead and stop ignoring multiple nodes, silently.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Message-Id: <a0b4adce1af5bd2344c2218eb4a04b3ff7bcfdb4.1671097918.git.mprivozn@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
2022-12-28 14:59:55 +01:00
Brad Smith 28236ad8d1 qga: Add initial OpenBSD and NetBSD support
qga: Add initial OpenBSD and NetBSD support

Signed-off-by: Brad Smith <brad@comstyle.com>
Reviewed-by: Konstantin Kostiuk <kkostiuk@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Konstantin Kostiuk <kkostiuk@redhat.com>
2022-12-20 15:54:41 +02:00
Claudio Fontana 29e0bfffab gtk: disable GTK Clipboard with a new meson option
The GTK Clipboard implementation may cause guest hangs.

Therefore implement new configure switch: --enable-gtk-clipboard,

as a meson option disabled by default, which warns in the help
text about the experimental nature of the feature.
Regenerate the meson build options to include it.

The initialization of the clipboard is gtk.c, as well as the
compilation of gtk-clipboard.c are now conditional on this new
option to be set.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1150
Signed-off-by: Claudio Fontana <cfontana@suse.de>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Jim Fehlig <jfehlig@suse.com>
Message-Id: <20221121135538.14625-1-cfontana@suse.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-11-23 12:15:06 +01:00
Paolo Bonzini b5d3dac170 meson: avoid unused arguments of main() in compiler tests
meson.build has one test where "main" is declared unnecessarily
with argc and argv arguments, but does not use them.  Because
the test needs -Werror too, HAVE_BROKEN_SIZE_MAX is defined
incorrectly.

Fix the test and, for consistency, remove argc and argv whenever
they are not needed.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-11-06 09:48:42 +01:00
Stefan Hajnoczi 7f5acfcb66 * bug fixes
* reduced memory footprint for IPI virtualization on Intel processors
 * asynchronous teardown support (Linux only)
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* bug fixes
* reduced memory footprint for IPI virtualization on Intel processors
* asynchronous teardown support (Linux only)

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# gpg: Signature made Wed 02 Nov 2022 07:40:25 EDT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  target/i386: Fix test for paging enabled
  util/log: Close per-thread log file on thread termination
  target/i386: Set maximum APIC ID to KVM prior to vCPU creation
  os-posix: asynchronous teardown for shutdown on Linux
  target/i386: Fix calculation of LOCK NEG eflags

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-11-03 10:54:37 -04:00
Richard Henderson 6d0b52ed88 tcg/sparc64: Rename from tcg/sparc
Emphasize that we only support full 64-bit code generation.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-11-01 07:28:53 +11:00
Stefan Hajnoczi 0d0e18cf7d Patches for Windows
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Merge tag 'pull-qemu-20221031' of https://gitlab.com/stweil/qemu into staging

Patches for Windows

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# gpg: Signature made Mon 31 Oct 2022 05:06:53 EDT
# gpg:                using RSA key 49236FEA75C95D698EC2B78AE08C21D5677450AD
# gpg: Good signature from "Stefan Weil <sw@weilnetz.de>" [unknown]
# gpg:                 aka "Stefan Weil (Universitätsbibliothek Mannheim) <stefan.weil@uni-mannheim.de>" [unknown]
# gpg:                 aka "Stefan Weil <stefan.weil@bib.uni-mannheim.de>" [unknown]
# gpg:                 aka "Stefan Weil <stefan.weil@weilnetz.de>" [unknown]
# 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: 4923 6FEA 75C9 5D69 8EC2  B78A E08C 21D5 6774 50AD

* tag 'pull-qemu-20221031' of https://gitlab.com/stweil/qemu:
  block/nfs: Fix 32-bit Windows build
  scripts/nsis.py: Automatically package required DLLs of QEMU executables
  scripts/nsis.py: Fix destination directory name when invoked on Windows
  scripts/nsis.py: Drop the unnecessary path separator

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-31 13:01:12 -04:00
Bin Meng a3c1e6458d scripts/nsis.py: Automatically package required DLLs of QEMU executables
At present packaging the required DLLs of QEMU executables is a
manual process, and error prone.

Actually build/config-host.mak contains a GLIB_BINDIR variable
which is the directory where glib and other DLLs reside. This
works for both Windows native build and cross-build on Linux.
We can use it as the search directory for DLLs and automate
the whole DLL packaging process.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Message-Id: <20220908132817.1831008-4-bmeng.cn@gmail.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Tested-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
2022-10-31 10:06:11 +01:00
Claudio Imbrenda c891c24b1a os-posix: asynchronous teardown for shutdown on Linux
This patch adds support for asynchronously tearing down a VM on Linux.

When qemu terminates, either naturally or because of a fatal signal,
the VM is torn down. If the VM is huge, it can take a considerable
amount of time for it to be cleaned up. In case of a protected VM, it
might take even longer than a non-protected VM (this is the case on
s390x, for example).

Some users might want to shut down a VM and restart it immediately,
without having to wait. This is especially true if management
infrastructure like libvirt is used.

This patch implements a simple trick on Linux to allow qemu to return
immediately, with the teardown of the VM being performed
asynchronously.

If the new commandline option -async-teardown is used, a new process is
spawned from qemu at startup, using the clone syscall, in such way that
it will share its address space with qemu.The new process will have the
name "cleanup/<QEMU_PID>". It will wait until qemu terminates
completely, and then it will exit itself.

This allows qemu to terminate quickly, without having to wait for the
whole address space to be torn down. The cleanup process will exit
after qemu, so it will be the last user of the address space, and
therefore it will take care of the actual teardown. The cleanup
process will share the same cgroups as qemu, so both memory usage and
cpu time will be accounted properly.

If possible, close_range will be used in the cleanup process to close
all open file descriptors. If it is not available or if it fails, /proc
will be used to determine which file descriptors to close.

If the cleanup process is forcefully killed with SIGKILL before the
main qemu process has terminated completely, the mechanism is defeated
and the teardown will not be asynchronous.

This feature can already be used with libvirt by adding the following
to the XML domain definition to pass the parameter to qemu directly:

  <commandline xmlns="http://libvirt.org/schemas/domain/qemu/1.0">
  <arg value='-async-teardown'/>
  </commandline>

Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Murilo Opsfelder Araujo <muriloo@linux.ibm.com>
Tested-by: Murilo Opsfelder Araujo <muriloo@linux.ibm.com>
Message-Id: <20220812133453.82671-1-imbrenda@linux.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-10-31 09:46:34 +01:00
Stefan Hajnoczi 7208429223 Hi,
"Host Memory Backends" and "Memory devices" queue ("mem"):
 - Fix NVDIMM error message
 - Add ThreadContext user-creatable object and wire it up for NUMA-aware
   hostmem preallocation
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Merge tag 'mem-2022-10-28' of https://github.com/davidhildenbrand/qemu into staging

Hi,

"Host Memory Backends" and "Memory devices" queue ("mem"):
- Fix NVDIMM error message
- Add ThreadContext user-creatable object and wire it up for NUMA-aware
  hostmem preallocation

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# gpg: Signature made Fri 28 Oct 2022 05:44:16 EDT
# gpg:                using RSA key 1BD9CAAD735C4C3A460DFCCA4DDE10F700FF835A
# gpg:                issuer "david@redhat.com"
# gpg: Good signature from "David Hildenbrand <david@redhat.com>" [unknown]
# gpg:                 aka "David Hildenbrand <davidhildenbrand@gmail.com>" [full]
# gpg:                 aka "David Hildenbrand <hildenbr@in.tum.de>" [unknown]
# gpg: WARNING: The key's User ID is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 1BD9 CAAD 735C 4C3A 460D  FCCA 4DDE 10F7 00FF 835A

* tag 'mem-2022-10-28' of https://github.com/davidhildenbrand/qemu:
  vl: Allow ThreadContext objects to be created before the sandbox option
  hostmem: Allow for specifying a ThreadContext for preallocation
  util: Make qemu_prealloc_mem() optionally consume a ThreadContext
  util: Add write-only "node-affinity" property for ThreadContext
  util: Introduce ThreadContext user-creatable object
  util: Introduce qemu_thread_set_affinity() and qemu_thread_get_affinity()
  util: Cleanup and rename os_mem_prealloc()
  hw/mem/nvdimm: fix error message for 'unarmed' flag

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-30 18:31:59 -04:00
Stefan Hajnoczi d5ab9490cd Block layer patches
- Cleanup bs->backing and bs->file handling
 - Refactor bdrv_try_set_aio_context using transactions
 - Changes for improved coroutine_fn consistency
 - vhost-user-blk: fix the resize crash
 - io_uring: Use of io_uring_register_ring_fd() led to breakage, revert
 - vvfat: Fix some problems with r/w mode
 - Code cleanup
 - MAINTAINERS: Fold "Block QAPI, monitor, ..." into "Block layer core"
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Merge tag 'for-upstream' of https://repo.or.cz/qemu/kevin into staging

Block layer patches

- Cleanup bs->backing and bs->file handling
- Refactor bdrv_try_set_aio_context using transactions
- Changes for improved coroutine_fn consistency
- vhost-user-blk: fix the resize crash
- io_uring: Use of io_uring_register_ring_fd() led to breakage, revert
- vvfat: Fix some problems with r/w mode
- Code cleanup
- MAINTAINERS: Fold "Block QAPI, monitor, ..." into "Block layer core"

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# gpg: Signature made Thu 27 Oct 2022 14:29:38 EDT
# gpg:                using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg:                issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74  56FE 7F09 B272 C88F 2FD6

* tag 'for-upstream' of https://repo.or.cz/qemu/kevin: (58 commits)
  block/block-backend: blk_set_enable_write_cache is IO_CODE
  monitor: switch to *_co_* functions
  vmdk: switch to *_co_* functions
  vhdx: switch to *_co_* functions
  vdi: switch to *_co_* functions
  qed: switch to *_co_* functions
  qcow2: switch to *_co_* functions
  qcow: switch to *_co_* functions
  parallels: switch to *_co_* functions
  mirror: switch to *_co_* functions
  block: switch to *_co_* functions
  commit: switch to *_co_* functions
  vmdk: manually add more coroutine_fn annotations
  qcow2: manually add more coroutine_fn annotations
  qcow: manually add more coroutine_fn annotations
  blkdebug: add missing coroutine_fn annotation for indirect-called functions
  qcow2: add coroutine_fn annotation for indirect-called functions
  block: add missing coroutine_fn annotation to BlockDriverState callbacks
  coroutine-io: add missing coroutine_fn annotation to prototypes
  coroutine-lock: add missing coroutine_fn annotation to prototypes
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-30 15:15:12 -04:00
Stefan Hajnoczi a8183c3468 pull: crypto and io queue
* Many LUKS header robustness checks
  * Fix TLS PSK error reporting
  * Enable LUKS creation on macOS
  * Report useful errnos from seccomp
  * I/O chanel Windows portability fix
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Merge tag 'misc-next-pull-request' of https://gitlab.com/berrange/qemu into staging

pull: crypto and io queue

 * Many LUKS header robustness checks
 * Fix TLS PSK error reporting
 * Enable LUKS creation on macOS
 * Report useful errnos from seccomp
 * I/O chanel Windows portability fix

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# gpg: Signature made Thu 27 Oct 2022 13:29:43 EDT
# gpg:                using RSA key DAF3A6FDB26B62912D0E8E3FBE86EBB415104FDF
# gpg: Good signature from "Daniel P. Berrange <dan@berrange.com>" [full]
# gpg:                 aka "Daniel P. Berrange <berrange@redhat.com>" [full]
# Primary key fingerprint: DAF3 A6FD B26B 6291 2D0E  8E3F BE86 EBB4 1510 4FDF

* tag 'misc-next-pull-request' of https://gitlab.com/berrange/qemu:
  crypto: add test cases for many malformed LUKS header scenarios
  crypto: ensure LUKS tests run with GNUTLS crypto provider
  crypto: quote algorithm names in error messages
  crypto: split off helpers for converting LUKS header endianess
  crypto: split LUKS header definitions off into file
  crypto: check that LUKS PBKDF2 iterations count is non-zero
  crypto: strengthen the check for key slots overlapping with LUKS header
  crypto: validate that LUKS payload doesn't overlap with header
  crypto: enforce that key material doesn't overlap with LUKS header
  crypto: enforce that LUKS stripes is always a fixed value
  crypto: sanity check that LUKS header strings are NUL-terminated
  tests: avoid DOS line endings in PSK file
  crypto: check for and report errors setting PSK credentials
  scripts: check if .git exists before checking submodule status
  seccomp: Get actual errno value from failed seccomp functions
  io/channel-watch: Fix socket watch on Windows
  io/channel-watch: Drop the unnecessary cast
  io/channel-watch: Drop a superfluous '#ifdef WIN32'
  util/qemu-sockets: Use g_get_tmp_dir() to get the directory for temporary files
  crypto/luks: Support creating LUKS image on Darwin

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-30 15:14:37 -04:00
Stefan Hajnoczi 75d30fde55 Pull request
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Merge tag 'block-pull-request' of https://gitlab.com/stefanha/qemu into staging

Pull request

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# gpg: Signature made Wed 26 Oct 2022 14:58:38 EDT
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# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [ultimate]
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>" [ultimate]
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* tag 'block-pull-request' of https://gitlab.com/stefanha/qemu:
  virtio-blk: use BDRV_REQ_REGISTERED_BUF optimization hint
  blkio: implement BDRV_REQ_REGISTERED_BUF optimization
  stubs: add qemu_ram_block_from_host() and qemu_ram_get_fd()
  exec/cpu-common: add qemu_ram_get_fd()
  block: add BlockRAMRegistrar
  numa: use QLIST_FOREACH_SAFE() for RAM block notifiers
  block: return errors from bdrv_register_buf()
  block: add BDRV_REQ_REGISTERED_BUF request flag
  block: use BdrvRequestFlags type for supported flag fields
  block: pass size to bdrv_unregister_buf()
  numa: call ->ram_block_removed() in ram_block_notifer_remove()
  blkio: add libblkio block driver
  coroutine: add flag to re-queue at front of CoQueue

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-30 15:07:25 -04:00
Sam Li 7845e73147 block/io_uring: revert "Use io_uring_register_ring_fd() to skip fd operations"
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1193

The commit "Use io_uring_register_ring_fd() to skip fd operations" broke
when booting a guest with iothread and io_uring. That is because the
io_uring_register_ring_fd() call is made from the main thread instead of
IOThread where io_uring_submit() is called. It can not be guaranteed
to register the ring fd in the correct thread or unregister the same ring
fd if the IOThread is disabled. This optimization is not critical so we
will revert previous commit.

This reverts commit e2848bc574
and 77e3f038af.

Cc: qemu-stable@nongnu.org
Signed-off-by: Sam Li <faithilikerun@gmail.com>
Message-Id: <20220924144815.5591-1-faithilikerun@gmail.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Tested-by: Dario Faggioli <dfaggioli@suse.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-10-27 20:14:11 +02:00
David Hildenbrand 7730f32c28 util: Introduce qemu_thread_set_affinity() and qemu_thread_get_affinity()
Usually, we let upper layers handle CPU pinning, because
pthread_setaffinity_np() (-> sched_setaffinity()) is blocked via
seccomp when starting QEMU with
    -sandbox enable=on,resourcecontrol=deny

However, we want to configure and observe the CPU affinity of threads
from QEMU directly in some cases when the sandbox option is either not
enabled or not active yet.

So let's add a way to configure CPU pinning via
qemu_thread_set_affinity() and obtain CPU affinity via
qemu_thread_get_affinity() and implement them under POSIX using
pthread_setaffinity_np() + pthread_getaffinity_np().

Implementation under Windows is possible using SetProcessAffinityMask()
+ GetProcessAffinityMask(), however, that is left as future work.

Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Message-Id: <20221014134720.168738-3-david@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
2022-10-27 11:00:36 +02:00
Stefan Hajnoczi fd66dbd424 blkio: add libblkio block driver
libblkio (https://gitlab.com/libblkio/libblkio/) is a library for
high-performance disk I/O. It currently supports io_uring,
virtio-blk-vhost-user, and virtio-blk-vhost-vdpa with additional drivers
under development.

One of the reasons for developing libblkio is that other applications
besides QEMU can use it. This will be particularly useful for
virtio-blk-vhost-user which applications may wish to use for connecting
to qemu-storage-daemon.

libblkio also gives us an opportunity to develop in Rust behind a C API
that is easy to consume from QEMU.

This commit adds io_uring, nvme-io_uring, virtio-blk-vhost-user, and
virtio-blk-vhost-vdpa BlockDrivers to QEMU using libblkio. It will be
easy to add other libblkio drivers since they will share the majority of
code.

For now I/O buffers are copied through bounce buffers if the libblkio
driver requires it. Later commits add an optimization for
pre-registering guest RAM to avoid bounce buffers.

The syntax is:

  --blockdev io_uring,node-name=drive0,filename=test.img,readonly=on|off,cache.direct=on|off

  --blockdev nvme-io_uring,node-name=drive0,filename=/dev/ng0n1,readonly=on|off,cache.direct=on

  --blockdev virtio-blk-vhost-vdpa,node-name=drive0,path=/dev/vdpa...,readonly=on|off,cache.direct=on

  --blockdev virtio-blk-vhost-user,node-name=drive0,path=vhost-user-blk.sock,readonly=on|off,cache.direct=on

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Message-id: 20221013185908.1297568-3-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-26 14:56:42 -04:00
Alexander Ivanov c6cd588bb3 qga: Add initial FreeBSD support
- Fix device path.
- Fix virtio-serial channel initialization.
- Make the code buildable in FreeBSD.

Reviewed-by: Konstantin Kostiuk <kkostiuk@redhat.com>
Acked-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Alexander Ivanov <alexander.ivanov@virtuozzo.com>
Signed-off-by: Konstantin Kostiuk <kkostiuk@redhat.com>
2022-10-26 20:35:07 +03:00
Michal Privoznik 73422d9524 seccomp: Get actual errno value from failed seccomp functions
Upon failure, a libseccomp API returns actual errno value very
rarely. Fortunately, after its commit 34bf78ab (contained in
2.5.0 release), the SCMP_FLTATR_API_SYSRAWRC attribute can be set
which makes subsequent APIs return true errno on failure.

This is especially critical when seccomp_load() fails, because
generic -ECANCELED says nothing.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2022-10-26 13:32:58 +01:00
Alex Bennée 842b42df2b gdbstub: move into its own sub directory
This is in preparation of future refactoring as well as cleaning up
the source tree. Aside from the minor tweaks to meson and trace.h this
is pure code motion.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220929114231.583801-43-alex.bennee@linaro.org>
2022-10-06 11:53:41 +01:00
Paolo Bonzini c7022a703c configure: cleanup creation of tests/tcg target config
Remove the symlink to tests/tcg/config-*.mak, which is possible now
that unused target config files are not created either.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220929114231.583801-28-alex.bennee@linaro.org>
2022-10-06 11:53:40 +01:00
Stefan Hajnoczi f8ec554cb8 * x86: re-enable rng seeding via SetupData
* x86: reinitialize RNG seed on system reboot and after kernel load
 * qboot: rebuild based on latest commit
 * watchdog: remove -watchdog option
 * update Meson to 0.61.5, move more configure tests
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* x86: re-enable rng seeding via SetupData
* x86: reinitialize RNG seed on system reboot and after kernel load
* qboot: rebuild based on latest commit
* watchdog: remove -watchdog option
* update Meson to 0.61.5, move more configure tests

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# gpg: Signature made Sat 01 Oct 2022 15:16:48 EDT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  x86: re-initialize RNG seed when selecting kernel
  target/i386/kvm: fix kvmclock_current_nsec: Assertion `time.tsc_timestamp <= migration_tsc' failed
  configure, meson: move linker flag detection to meson
  configure, meson: move C++ compiler detection to meson.build
  meson: multiple names can be passed to dependency()
  meson: require 0.61.3
  meson: -display dbus and CFI are incompatible
  ui: fix path to dbus-display1.h
  watchdog: remove -watchdog option
  configure: do not invoke as/ld directly for pc-bios/optionrom
  qboot: rebuild based on latest commit
  x86: re-enable rng seeding via SetupData
  x86: reinitialize RNG seed on system reboot
  x86: use typedef for SetupData struct
  x86: return modified setup_data only if read as memory, not as file

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-04 14:03:21 -04:00
Paolo Bonzini e4333d14c5 configure, meson: move linker flag detection to meson
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-10-01 21:16:36 +02:00
Paolo Bonzini b485458e00 configure, meson: move C++ compiler detection to meson.build
The test is slightly weaker than before, because it does not
call an extern "C" function from a C source file.  However,
in practice what we seek to detect is ABI compatibility of the
various sanitizer flags, and for that it is enough to compile
anything with CC and link it with CXX.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-10-01 21:16:36 +02:00
Paolo Bonzini 6d3226357f meson: multiple names can be passed to dependency()
This is new in Meson 0.60.0.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-10-01 21:16:36 +02:00
Paolo Bonzini 8a29c20597 meson: require 0.61.3
This removes the dependency of dbus-display on --enable-modules.  It also allows
cleanups in modinfo collection and allows moving C++ compiler detection to
meson.build.

Because it is now deprecated to use install_subdir to create an empty directory,
replace it with install_emptydir.

Updating the Meson submodule to 0.61.5 also removes the message

    WARNING: Broken python installation detected. Python files installed
    by Meson might not be found by python interpreter.

unless using system meson is forced with --meson.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/873
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/848
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-10-01 21:16:36 +02:00
Paolo Bonzini bb2dc4b73a meson: -display dbus and CFI are incompatible
The generated skeletons for DBus call the finalize method of the parent
type using code like

    G_OBJECT_CLASS (qemu_dbus_display1_chardev_skeleton_parent_class)->finalize (object);

However, the finalize method is defined in a shared library that is not
compiled with CFI.  Do not enable anything that uses gdbus-codegen if
--enable-cfi was specified.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-10-01 21:16:29 +02:00
Stefan Hajnoczi fe65642bba * Fix emulation of the LZRF instruction
* Fix "noexec" TCG test on s390x
 * Implement SHA-512 and random number generator instructions
 * Support for zPCI interpretation on s390x hosts
 * Removal of the "slirp" submodule
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Merge tag 'pull-request-2022-09-26' of https://gitlab.com/thuth/qemu into staging

* Fix emulation of the LZRF instruction
* Fix "noexec" TCG test on s390x
* Implement SHA-512 and random number generator instructions
* Support for zPCI interpretation on s390x hosts
* Removal of the "slirp" submodule

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# gpg: Signature made Mon 26 Sep 2022 13:04:37 EDT
# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* tag 'pull-request-2022-09-26' of https://gitlab.com/thuth/qemu:
  Remove the slirp submodule (i.e. compile only with an external libslirp)
  s390x/s390-virtio-ccw: add zpcii-disable machine property
  s390x/pci: reflect proper maxstbl for groups of interpreted devices
  s390x/pci: let intercept devices have separate PCI groups
  s390x/pci: enable adapter event notification for interpreted devices
  s390x/pci: don't fence interpreted devices without MSI-X
  s390x/pci: enable for load/store interpretation
  s390x/pci: add routine to get host function handle from CLP info
  Update linux headers to v6.0-rc4
  configure: Add -Wno-gnu-variable-sized-type-not-at-end
  target/s390x: support PRNO_TRNG instruction
  target/s390x: support SHA-512 extensions
  linux-user/host/s390: Add vector instructions to host_signal_write()
  s390x/tcg: Fix opcode for lzrf

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-09-27 11:06:52 -04:00
Alexandre Ratchov 663df1cc68 audio: Add sndio backend
sndio is the native API used by OpenBSD, although it has been ported to
other *BSD's and Linux (packages for Ubuntu, Debian, Void, Arch, etc.).

Signed-off-by: Brad Smith <brad@comstyle.com>
Signed-off-by: Alexandre Ratchov <alex@caoua.org>
Reviewed-by: Volker Rümelin <vr_qemu@t-online.de>
Tested-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <YxibXrWsrS3XYQM3@vm1.arverb.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-09-27 07:32:31 +02:00
Thomas Huth 5890258aee Remove the slirp submodule (i.e. compile only with an external libslirp)
Since QEMU 7.1 we don't support Ubuntu 18.04 anymore, so the last big
important Linux distro that did not have a pre-packaged libslirp has
been dismissed. All other major distros seem to have a libslirp package
in their distribution already - according to repology.org:

          Fedora 35: 4.6.1
  CentOS 8 (RHEL-8): 4.4.0
          Debian 11: 4.4.0
 OpenSUSE Leap 15.3: 4.3.1
   Ubuntu LTS 20.04: 4.1.0
      FreeBSD Ports: 4.7.0
      NetBSD pkgsrc: 4.7.0
           Homebrew: 4.7.0
        MSYS2 mingw: 4.7.0

The only one that was still missing a libslirp package is OpenBSD - but
the next version (OpenBSD 7.2 which will be shipped in October) is going
to include a libslirp package. Since QEMU 7.2 will be published after
OpenBSD 7.2, we should be fine there, too.

So there is no real urgent need for keeping the slirp submodule in
the QEMU tree anymore. Thus let's drop the slirp submodule now and
rely on the libslirp packages from the distributions instead.

Message-Id: <20220824151122.704946-7-thuth@redhat.com>
Acked-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-09-26 17:23:47 +02:00
Akihiko Odaki 64d3fec76c meson: Allow to enable gtk and sdl while cocoa is enabled
As ui/cocoa does no longer override main(), ui/gtk and ui/sdl
can be enabled even ui/cocoa is enabled.

Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220819132756.74641-4-akihiko.odaki@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-09-23 14:36:33 +02:00
Juan Quintela abad185c6b meson-build: Enable CONFIG_REPLICATION only when replication is set
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20220902165126.1482-8-quintela@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-09-20 12:34:31 +02:00
Stefan Hajnoczi 61fd710b8d * SCSI fixes for Mac OS 9
* Fix CPU reset for x86/KVM nested virtualization state
 * remove feature_not_found() from the configure script
 * Meson cleanups from muon
 * improved i386 TCG tests for BMI and SSE
 * SSE bugfixes
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* SCSI fixes for Mac OS 9
* Fix CPU reset for x86/KVM nested virtualization state
* remove feature_not_found() from the configure script
* Meson cleanups from muon
* improved i386 TCG tests for BMI and SSE
* SSE bugfixes

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# gpg: Signature made Thu 01 Sep 2022 14:23:00 EDT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (39 commits)
  target/i386: AVX+AES helpers prep
  target/i386: AVX pclmulqdq prep
  target/i386: Rewrite blendv helpers
  target/i386: Misc AVX helper prep
  target/i386: Destructive FP helpers for AVX
  target/i386: Dot product AVX helper prep
  target/i386: reimplement AVX comparison helpers
  target/i386: Floating point arithmetic helper AVX prep
  target/i386: Destructive vector helpers for AVX
  target/i386: Misc integer AVX helper prep
  target/i386: Rewrite simple integer vector helpers
  target/i386: Rewrite vector shift helper
  target/i386: rewrite destructive 3DNow operations
  target/i386: Add CHECK_NO_VEX
  target/i386: do not cast gen_helper_* function pointers
  target/i386: Add size suffix to vector FP helpers
  target/i386: isolate MMX code more
  target/i386: check SSE table flags instead of hardcoding opcodes
  target/i386: Move 3DNOW decoder
  target/i386: Rework sse_op_table6/7
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-09-02 13:24:28 -04:00
Bin Meng d409373b9d util/qemu-sockets: Enable unix socket support on Windows
Support for the unix socket has existed both in BSD and Linux for the
longest time, but not on Windows. Since Windows 10 build 17063 [1],
the native support for the unix socket has come to Windows. Starting
this build, two Win32 processes can use the AF_UNIX address family
over Winsock API to communicate with each other.

[1] https://devblogs.microsoft.com/commandline/af_unix-comes-to-windows/

Signed-off-by: Xuzhou Cheng <xuzhou.cheng@windriver.com>
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220802075200.907360-3-bmeng.cn@gmail.com>
2022-09-02 15:54:46 +04:00
Paolo Bonzini eccae02d99 meson: remove dead code
Found with "muon analyze".

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-09-01 07:42:37 +02:00
Marc-André Lureau f0caba4475 build-sys: disable vhost-user-gpu if !opengl
vhost-user-gpu uses epoxy/glflush and thus requires opengl.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220628132315.664026-1-marcandre.lureau@redhat.com>
2022-08-18 10:46:55 +04:00
Daniel P. Berrangé 3cd3df2a95 linux-user: fix compat with glibc >= 2.36 sys/mount.h
The latest glibc 2.36 has extended sys/mount.h so that it
defines the FSCONFIG_* enum constants. These are historically
defined in linux/mount.h, and thus if you include both headers
the compiler complains:

In file included from /usr/include/linux/fs.h:19,
                 from ../linux-user/syscall.c:98:
/usr/include/linux/mount.h:95:6: error: redeclaration of 'enum fsconfig_command'
   95 | enum fsconfig_command {
      |      ^~~~~~~~~~~~~~~~
In file included from ../linux-user/syscall.c:31:
/usr/include/sys/mount.h:189:6: note: originally defined here
  189 | enum fsconfig_command
      |      ^~~~~~~~~~~~~~~~
/usr/include/linux/mount.h:96:9: error: redeclaration of enumerator 'FSCONFIG_SET_FLAG'
   96 |         FSCONFIG_SET_FLAG       = 0,    /* Set parameter, supplying no value */
      |         ^~~~~~~~~~~~~~~~~
/usr/include/sys/mount.h:191:3: note: previous definition of 'FSCONFIG_SET_FLAG' with type 'enum fsconfig_command'
  191 |   FSCONFIG_SET_FLAG       = 0,    /* Set parameter, supplying no value */
      |   ^~~~~~~~~~~~~~~~~
...snip...

QEMU doesn't include linux/mount.h, but it does use
linux/fs.h and thus gets linux/mount.h indirectly.

glibc acknowledges this problem but does not appear to
be intending to fix it in the forseeable future, simply
documenting it as a known incompatibility with no
workaround:

  https://sourceware.org/glibc/wiki/Release/2.36#Usage_of_.3Clinux.2Fmount.h.3E_and_.3Csys.2Fmount.h.3E
  https://sourceware.org/glibc/wiki/Synchronizing_Headers

To address this requires either removing use of sys/mount.h
or linux/fs.h, despite QEMU needing declarations from
both.

This patch removes linux/fs.h, meaning we have to define
various FS_IOC constants that are now unavailable.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Tested-by: Richard W.M. Jones <rjones@redhat.com>
Message-Id: <20220802164134.1851910-1-berrange@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-08-10 18:37:46 +02:00
Paolo Bonzini d82b11f699 ui: dbus-display requires CONFIG_GBM
Without CONFIG_GBM, compiling dbus-display fails with

../ui/dbus.c: In function ‘dbus_create_context’:
../ui/dbus.c:47:20: error: ‘qemu_egl_rn_ctx’ undeclared (first use in this function); did you mean ‘qemu_egl_init_ctx’?
   47 |                    qemu_egl_rn_ctx);
      |                    ^~~~~~~~~~~~~~~
      |                    qemu_egl_init_ctx
../ui/dbus.c:47:20: note: each undeclared identifier is reported only once for each function it appears in

and many other similar errors, because include/ui/egl-helpers.h only has
these declaration if gbm is found on the system.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1108
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-07-28 13:08:29 +02:00
Helge Deller 499d805537 linux-user: Unconditionally use pipe2() syscall
The pipe2() syscall is available on all Linux platforms since kernel
2.6.27, so use it unconditionally to emulate pipe() and pipe2().

Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <YtbZ2ojisTnzxN9Y@p100>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-07-25 10:42:11 +02:00
Peter Maydell 285f64fcbf * SCSI fuzzing fix (Mauro)
* pre-install data files in the build directory (Akihiko)
 * SCSI fixes for Mac OS (Mark)
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* SCSI fuzzing fix (Mauro)
* pre-install data files in the build directory (Akihiko)
* SCSI fixes for Mac OS (Mark)

# gpg: Signature made Wed 13 Jul 2022 15:59:00 BST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  pc-bios/s390-ccw: add -Wno-array-bounds
  q800: add default vendor and product information for scsi-cd devices
  q800: add default vendor and product information for scsi-hd devices
  scsi-disk: allow MODE SELECT block descriptor to set the block size
  scsi-disk: allow the MODE_PAGE_R_W_ERROR AWRE bit to be changeable for CDROM drives
  q800: implement compat_props to enable quirk_mode_page_truncated for scsi-cd devices
  scsi-disk: add SCSI_DISK_QUIRK_MODE_PAGE_TRUNCATED quirk for Macintosh
  scsi-disk: add FORMAT UNIT command
  q800: implement compat_props to enable quirk_mode_page_vendor_specific_apple for scsi devices
  scsi-disk: add SCSI_DISK_QUIRK_MODE_PAGE_VENDOR_SPECIFIC_APPLE quirk for Macintosh
  q800: implement compat_props to enable quirk_mode_sense_rom_use_dbd for scsi-cd devices
  scsi-disk: add SCSI_DISK_QUIRK_MODE_SENSE_ROM_USE_DBD quirk for Macintosh
  q800: implement compat_props to enable quirk_mode_page_apple_vendor for scsi-cd devices
  scsi-disk: add MODE_PAGE_APPLE_VENDOR quirk for Macintosh
  scsi-disk: add new quirks bitmap to SCSIDiskState
  meson: Prefix each element of firmware path
  module: Use bundle mechanism
  datadir: Use bundle mechanism
  cutils: Introduce bundle mechanism
  scsi/lsi53c895a: really fix use-after-free in lsi_do_msgout (CVE-2022-0216)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-07-14 18:14:12 +01:00
Akihiko Odaki 8154f5e64b meson: Prefix each element of firmware path
Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Message-Id: <20220624154042.51512-1-akihiko.odaki@gmail.com>
[Rewrite shell function without using Bash extensions. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-07-13 16:58:57 +02:00
Akihiko Odaki cf60ccc330 cutils: Introduce bundle mechanism
Developers often run QEMU without installing. The bundle mechanism
allows to look up files which should be present in installation even in
such a situation.

It is a general mechanism and can find any files in the installation
tree. The build tree will have a new directory, qemu-bundle, to
represent what files the installation tree would have for reference by
the executables.

Note that it abandons compatibility with Windows older than 8. The
extended support for the prior version, 7 ended more than 2 years ago,
and it is unlikely that someone would like to run the latest QEMU on
such an old system.

Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220624145039.49929-3-akihiko.odaki@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-07-13 16:58:57 +02:00
Akihiko Odaki 52eaefd36c ui/cocoa: Take refresh rate into account
Retrieve the refresh rate of the display and reflect it with
dpy_set_ui_info() and update_displaychangelistener(), allowing the
guest and DisplayChangeListener to consume the information.

The information will be used as a hint how often the display should
be updated. For example, when we run 30 Hz physical display updates
it is pointless for the guest to update the screen at 60Hz
frequency, the guest can spare some work instead.

Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220702142519.12188-1-akihiko.odaki@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2022-07-13 00:06:02 +02:00
Marc-André Lureau d2bfbdf316 audio/dbus: fix building
Commit c9c847481 broken dbus audio module compilation with bad
'CONFIG_GIO' usage. Furthermore, it implied extra dependency on audio
module which aren't necessary.

The problem was that 'dbus_display' is not correctly automatically set
on MacOS, because opengl dependency wasn't taken into account.

Fixes: c9c847481 ("audio/dbus: Fix building with modules on macOS")
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20220622154918.560870-1-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-07-08 11:03:36 +02:00
Alexander Bulekov e56d097028 build: improve -fsanitize-coverage-allowlist check
The sancov filter check still fails when unused arguments are treated as
errors. To work around that, add a SanitizerCoverage flag to the
build-check.

Fixes: aa4f3a3b88 ("build: fix check for -fsanitize-coverage-allowlist")
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Message-Id: <20220621204507.698711-1-alxndr@bu.edu>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-07-08 11:03:36 +02:00
Thomas Huth 1ec8c2c01e meson.build: Require a recent version of libpng
According to https://gitlab.com/qemu-project/qemu/-/issues/1080#note_998088246
QEMU does not compile with older versions of libpng, so we should check
for a good version in meson.build. According to repology.org, our supported
host target operating systems ship these versions:

             Fedora 35: 1.6.37
     CentOS 8 (RHEL-8): 1.6.34
             Debian 11: 1.6.37
    OpenSUSE Leap 15.3: 1.6.34
      Ubuntu LTS 20.04: 1.6.37
         FreeBSD Ports: 1.6.37
         NetBSD pkgsrc: 1.6.37
         OpenBSD Ports: 1.6.37
              Homebrew: 1.6.37
           MSYS2 mingw: 1.6.37

So it seem reasonable to require at least libpng version 1.6.34 for
our builds.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1080
Message-Id: <20220623174941.531196-1-thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-07-05 10:15:49 +02:00
Thomas Huth 2116650254 disas: Remove libvixl disassembler
The disassembly via capstone should be superiour to our old vixl
sources nowadays, so let's finally cut this old disassembler out
of the QEMU source tree.

Message-Id: <20220603164249.112459-1-thuth@redhat.com>
Tested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-07-05 10:15:49 +02:00
Alex Bennée 26ed501b99 contrib/vhost-user-blk: fix 32 bit build and enable
We were not building the vhost-user-blk server due to 32 bit
compilation problems. The problem was due to format string types so
fix that and then enable the build. Tweak the rule to follow the same
rules as other vhost-user daemons.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220321153037.3622127-12-alex.bennee@linaro.org>
Message-Id: <20220524154056.2896913-2-alex.bennee@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
2022-06-27 18:53:18 -04:00
Stefano Garzarella 66dc5f9606 block/rbd: report a better error when namespace does not exist
If the namespace does not exist, rbd_create() fails with -ENOENT and
QEMU reports a generic "error rbd create: No such file or directory":

    $ qemu-img create rbd:rbd/namespace/image 1M
    Formatting 'rbd:rbd/namespace/image', fmt=raw size=1048576
    qemu-img: rbd:rbd/namespace/image: error rbd create: No such file or directory

Unfortunately rados_ioctx_set_namespace() does not fail if the namespace
does not exist, so let's use rbd_namespace_exists() in qemu_rbd_connect()
to check if the namespace exists, reporting a more understandable error:

    $ qemu-img create rbd:rbd/namespace/image 1M
    Formatting 'rbd:rbd/namespace/image', fmt=raw size=1048576
    qemu-img: rbd:rbd/namespace/image: namespace 'namespace' does not exist

Reported-by: Tingting Mao <timao@redhat.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Message-Id: <20220517071012.6120-1-sgarzare@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-06-24 17:07:06 +02:00
Xie Yongji 2a2359b844 vduse-blk: Implement vduse-blk export
This implements a VDUSE block backends based on
the libvduse library. We can use it to export the BDSs
for both VM and container (host) usage.

The new command-line syntax is:

$ qemu-storage-daemon \
    --blockdev file,node-name=drive0,filename=test.img \
    --export vduse-blk,node-name=drive0,id=vduse-export0,writable=on

After the qemu-storage-daemon started, we need to use
the "vdpa" command to attach the device to vDPA bus:

$ vdpa dev add name vduse-export0 mgmtdev vduse

Also the device must be removed via the "vdpa" command
before we stop the qemu-storage-daemon.

Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20220523084611.91-7-xieyongji@bytedance.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-06-24 17:07:06 +02:00
Xie Yongji a6caeee811 libvduse: Add VDUSE (vDPA Device in Userspace) library
VDUSE [1] is a linux framework that makes it possible to implement
software-emulated vDPA devices in userspace. This adds a library
as a subproject to help implementing VDUSE backends in QEMU.

[1] https://www.kernel.org/doc/html/latest/userspace-api/vduse.html

Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Message-Id: <20220523084611.91-6-xieyongji@bytedance.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2022-06-24 17:07:06 +02:00
Richard Henderson def6fd6c9c * statistics subsystem
* virtio reset cleanups
 * build system cleanups
 * fix Cirrus CI
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* statistics subsystem
* virtio reset cleanups
* build system cleanups
* fix Cirrus CI

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# gpg: Signature made Wed 15 Jun 2022 02:12:36 AM PDT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [undefined]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [undefined]
# 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: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (21 commits)
  build: include pc-bios/ part in the ROMS variable
  meson: put cross compiler info in a separate section
  q35:Enable TSEG only when G_SMRAME and TSEG_EN both enabled
  build: fix check for -fsanitize-coverage-allowlist
  tests/vm: allow running tests in an unconfigured source tree
  configure: cleanup -fno-pie detection
  configure: update list of preserved environment variables
  virtio-mmio: cleanup reset
  virtio: stop ioeventfd on reset
  virtio-mmio: stop ioeventfd on legacy reset
  s390x: simplify virtio_ccw_reset_virtio
  block: add more commands to preconfig mode
  hmp: add filtering of statistics by name
  qmp: add filtering of statistics by name
  hmp: add filtering of statistics by provider
  qmp: add filtering of statistics by provider
  hmp: add basic "info stats" implementation
  cutils: add functions for IEC and SI prefixes
  qmp: add filtering of statistics by target vCPU
  kvm: Support for querying fd-based stats
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-16 07:13:04 -07:00
Jagannathan Raman 55116968de vfio-user: build library
add the libvfio-user library as a submodule. build it as a meson
subproject.

libvfio-user is distributed with BSD 3-Clause license and
json-c with MIT (Expat) license

Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com>
Signed-off-by: John G Johnson <john.g.johnson@oracle.com>
Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: c2adec87958b081d1dc8775d4aa05c897912f025.1655151679.git.jag.raman@oracle.com

[Changed submodule URL to QEMU's libvfio-user mirror on GitLab. The QEMU
project mirrors its dependencies so that it can provide full source code
even in the event that its dependencies become unavailable. Note that
the mirror repo is manually updated, so please contact me to make newer
libvfio-user commits available. If I become a bottleneck we can set up a
cronjob.

Updated scripts/meson-buildoptions.sh to match the meson_options.txt
change. Failure to do so can result in scripts/meson-buildoptions.sh
being modified by the build system later on and you end up with a dirty
working tree.
--Stefan]

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-06-15 16:42:33 +01:00
Sam Li e2848bc574 Use io_uring_register_ring_fd() to skip fd operations
Linux recently added a new io_uring(7) optimization API that QEMU
doesn't take advantage of yet. The liburing library that QEMU uses
has added a corresponding new API calling io_uring_register_ring_fd().
When this API is called after creating the ring, the io_uring_submit()
library function passes a flag to the io_uring_enter(2) syscall
allowing it to skip the ring file descriptor fdget()/fdput()
operations. This saves some CPU cycles.

Signed-off-by: Sam Li <faithilikerun@gmail.com>
Message-id: 20220531105011.111082-1-faithilikerun@gmail.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-06-15 14:50:41 +01:00
Paolo Bonzini 12640f05eb meson: put cross compiler info in a separate section
While at it, remove a dead assignment and simply inline the value of the
"target" variable, which is used just once.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-06-15 11:12:32 +02:00
Alexander Bulekov aa4f3a3b88 build: fix check for -fsanitize-coverage-allowlist
The existing check has two problems:
1. Meson uses a private directory for the get_supported_arguments check.
./instrumentation-filter does not exist in that private directory (it is
copied into the root of the build-directory).

2. fsanitize-coverage-allowlist is unused when coverage instrumentation
is not configured. No instrumentation are passed for the
get_supported_arguments check

Thus the check always fails. To work around this, change the check to an
"if cc.compiles" check and provide /dev/null, instead of the real
filter.

Meson log:
Working directory:  build/meson-private/tmpl6wld2d9
Command line:  clang-13 -m64 -mcx16
build/meson-private/tmpl6wld2d9/output.obj -c -O3 -D_FILE_OFFSET_BITS=64
-O0 -Werror=implicit-function-declaration -Werror=unknown-warning-option
-Werror=unused-command-line-argument
-Werror=ignored-optimization-argument
-fsanitize-coverage-allowlist=instrumentation-filter

Error:
error: argument unused during compilation:
'-fsanitize-coverage-allowlist=instrumentation-filter'

Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Message-Id: <20220614155415.4023833-1-alxndr@bu.edu>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-06-15 11:11:37 +02:00
Hongren (Zenithal) Zheng 8caef85078 meson: Add CanoKey
Signed-off-by: Hongren (Zenithal) Zheng <i@zenithal.me>
Message-Id: <YoY6YRD6cxH21mms@Sun>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-06-14 10:34:36 +02:00
Song Gao aae1746c72 target/loongarch: Add disassembler
This patch adds support for disassembling via option '-d in_asm'.

Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220606124333.2060567-17-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-06 18:09:03 +00:00
Jose R. Ziviani 05d6814c3e modules: generates per-target modinfo
This patch changes the way modinfo is generated and built. Instead of
one modinfo.c it generates one modinfo-<target>-softmmu.c per target. It
aims a fine-tune control of modules by configuring Kconfig.

Signed-off-by: Jose R. Ziviani <jziviani@suse.de>
Signed-off-by: Dario Faggioli <dfaggioli@suse.com>
Message-Id: <165369003038.5857.13084289285185196779.stgit@work>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-06-06 09:26:53 +02:00
Paolo Bonzini d8f3a60931 build: add a "make modules" target
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-06-06 09:26:53 +02:00
Alex Bennée 85b141ea6a meson.build: fix summary display of test compilers
The recent refactoring of configure.sh dropped a number of variables
we relied on for printing out information. Make it simpler.

Fixes: eebf199c09 (tests/tcg: invoke Makefile.target directly from QEMU's makefile)
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220527153603.887929-5-alex.bennee@linaro.org>
2022-06-01 13:08:09 +01:00
Marc-André Lureau 5b9e7d05d6 qga/wixl: replace QEMU_GA_MSI_MINGW_BIN_PATH with glib bindir
Use more conventional variables to set the location of pre-built
DLL/bin.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Konstantin Kostiuk <kkostiuk@redhat.com>
Message-Id: <20220525144140.591926-15-marcandre.lureau@redhat.com>
2022-05-28 11:42:56 +02:00
Lei He 4c5e512ee0 crypto: Implement RSA algorithm by hogweed
Implement RSA algorithm by hogweed from nettle. Thus QEMU supports
a 'real' RSA backend to handle request from guest side. It's
important to test RSA offload case without OS & hardware requirement.

Signed-off-by: lei he <helei.sig11@bytedance.com>
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2022-05-26 11:41:51 +01:00
Richard Henderson 3757b0d08b * Remove Ubuntu 18.04 containers (not supported anymore)
* Improve the cleanup of the QEMU binary in case of failing qtests
 * Update the Windows support statement
 * Remove the capstone submodule (and rely on Capstone of the distros instead)
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Merge tag 'pull-request-2022-05-18' of https://gitlab.com/thuth/qemu into staging

* Remove Ubuntu 18.04 containers (not supported anymore)
* Improve the cleanup of the QEMU binary in case of failing qtests
* Update the Windows support statement
* Remove the capstone submodule (and rely on Capstone of the distros instead)

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# gpg: Signature made Wed 18 May 2022 12:40:36 AM PDT
# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [undefined]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [undefined]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [undefined]
# 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: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* tag 'pull-request-2022-05-18' of https://gitlab.com/thuth/qemu:
  capstone: Remove the capstone submodule
  capstone: Allow version 3.0.5 again
  tests/vm: Add capstone to the NetBSD and OpenBSD VMs
  docs/about: Update the support statement for Windows
  tests/qtest: use prctl(PR_SET_PDEATHSIG) as fallback to kill QEMU
  tests/qtest: fix registration of ABRT handler for QEMU cleanup
  Remove Ubuntu 18.04 container support from the repository
  gitlab-ci: Switch the container of the 'check-patch' & 'check-dco' jobs

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-05-20 08:04:30 -07:00
Thomas Huth 83602083b4 capstone: Remove the capstone submodule
Now that we allow compiling with Capstone v3.0.5 again, all our supported
build hosts should provide at least this version of the disassembler
library, so we do not need to ship this as a submodule anymore.

Message-Id: <20220516145823.148450-4-thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-05-18 08:54:22 +02:00
Thomas Huth 43ecd16678 capstone: Allow version 3.0.5 again
According to

 https://lore.kernel.org/qemu-devel/20200921174118.39352-1-richard.henderson@linaro.org/

there was an issue with Capstone 3.0.4 from Ubuntu 18, which was the reason
for bumping our minimum Capstone requirement to version 4.0. And indeed,
compiling with that version 3.0.4 from Ubuntu 18.04 still fails (after
allowing it with a hack in meson.build). But now that we've dropped support
for Ubuntu 18.04, that issue is not relevant anymore. Compiling with Capstone
version 3.0.5 (e.g. used in Ubuntu 20.04) seems to work fine, so let's allow
that version again.

Message-Id: <20220516145823.148450-3-thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-05-18 08:54:22 +02:00
Vladislav Yaroshchuk e2c1d78da3 net/vmnet: add vmnet dependency and customizable option
vmnet.framework dependency is added with 'vmnet' option
to enable or disable it. Default value is 'auto'.

used vmnet features are available since macOS 11.0,
but new backend can be built and work properly with
subset of them on 10.15 too.

Reviewed-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Tested-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Signed-off-by: Vladislav Yaroshchuk <Vladislav.Yaroshchuk@jetbrains.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2022-05-17 16:48:23 +08:00
Leonardo Bras 354081d43d meson.build: Fix docker-test-build@alpine when including linux/errqueue.h
A build error happens in alpine CI when linux/errqueue.h is included
in io/channel-socket.c, due to redefining of 'struct __kernel_timespec':

===
ninja: job failed: [...]
In file included from /usr/include/linux/errqueue.h:6,
                 from ../io/channel-socket.c:29:
/usr/include/linux/time_types.h:7:8: error: redefinition of 'struct __kernel_timespec'
    7 | struct __kernel_timespec {
      |        ^~~~~~~~~~~~~~~~~
In file included from /usr/include/liburing.h:19,
                 from /builds/user/qemu/include/block/aio.h:18,
                 from /builds/user/qemu/include/io/channel.h:26,
                 from /builds/user/qemu/include/io/channel-socket.h:24,
                 from ../io/channel-socket.c:24:
/usr/include/liburing/compat.h:9:8: note: originally defined here
    9 | struct __kernel_timespec {
      |        ^~~~~~~~~~~~~~~~~
ninja: subcommand failed
===

As above error message suggests, 'struct __kernel_timespec' was already
defined by liburing/compat.h.

Fix alpine CI by adding test to disable liburing in configure step if a
redefinition happens between linux/errqueue.h and liburing/compat.h.

[dgilbert: This has been fixed in Alpine issue 13813 and liburing]

Signed-off-by: Leonardo Bras <leobras@redhat.com>
Message-Id: <20220513062836.965425-2-leobras@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2022-05-16 13:49:36 +01:00
Daniel P. Berrangé d47b83b118 tests: add migration tests of TLS with x509 credentials
This validates that we correctly handle migration success and failure
scenarios when using TLS with x509 certificates. There are quite a few
different scenarios that matter in relation to hostname validation.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20220426160048.812266-5-berrange@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
  dgilbert: Manual merge due to ifdef change in 3
2022-05-16 11:46:04 +01:00
Paolo Bonzini bf2f69d08b net: slirp: allow CFI with libslirp >= 4.7
slirp 4.7 introduces a new CFI-friendly timer callback that does
not pass function pointers within libslirp as callbacks for timers.
Check the version number and, if it is new enough, allow using CFI
even with a system libslirp.

Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Reviewed-by: Marc-André Lureau <malureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-05-12 12:29:44 +02:00
Paolo Bonzini bce63ded20 net: slirp: switch to slirp_new
Replace slirp_init with slirp_new, so that a more recent cfg.version
can be specified.  The function appeared in version 4.1.0.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-05-12 12:29:44 +02:00