Commit Graph

535 Commits

Author SHA1 Message Date
Markus Armbruster
a67dfa660b Drop duplicate #include
Tracked down with the help of scripts/clean-includes.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20230202133830.2152150-21-armbru@redhat.com>
2023-02-08 07:28:05 +01:00
Markus Armbruster
bfe7bf8590 Don't include headers already included by qemu/osdep.h
This commit was created with scripts/clean-includes.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20230202133830.2152150-19-armbru@redhat.com>
2023-02-08 07:28:05 +01:00
Markus Armbruster
9c9c5ce7f7 qdev: Move HMP command completion from monitor to softmmu/
This moves the completion code from MAINTAINERS sections "Human
Monitor (HMP)" and "QMP" to section "QOM".

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230124121946.1139465-26-armbru@redhat.com>
2023-02-04 07:56:54 +01:00
Markus Armbruster
bab46b8180 runstate: Move HMP commands from monitor/ to softmmu/
This moves these commands from MAINTAINERS section "Human
Monitor (HMP)" and "QMP" to "Main loop".

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230124121946.1139465-22-armbru@redhat.com>
2023-02-04 07:56:54 +01:00
Markus Armbruster
0801062c1b tpm: Move HMP commands from monitor/ to softmmu/
This moves these commands from MAINTAINERS section "Human
Monitor (HMP)" to "TPM".

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230124121946.1139465-21-armbru@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
2023-02-04 07:56:54 +01:00
Peter Maydell
fcb7e040f5 Header cleanup patches for 2023-01-20
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Merge tag 'pull-include-2023-01-20' of https://repo.or.cz/qemu/armbru into staging

Header cleanup patches for 2023-01-20

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# gpg: Signature made Fri 20 Jan 2023 06:41:42 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-include-2023-01-20' of https://repo.or.cz/qemu/armbru:
  include/hw/ppc include/hw/pci-host: Drop extra typedefs
  include/hw/ppc: Don't include hw/pci-host/pnv_phb.h from pnv.h
  include/hw/ppc: Supply a few missing includes
  include/hw/ppc: Split pnv_chip.h off pnv.h
  include/hw/block: Include hw/block/block.h where needed
  hw/sparc64/niagara: Use blk_name() instead of open-coding it
  include/block: Untangle inclusion loops
  coroutine: Use Coroutine typedef name instead of structure tag
  coroutine: Split qemu/coroutine-core.h off qemu/coroutine.h
  coroutine: Clean up superfluous inclusion of qemu/lockable.h
  coroutine: Move coroutine_fn to qemu/osdep.h, trim includes
  coroutine: Clean up superfluous inclusion of qemu/coroutine.h

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-01-20 13:17:55 +00:00
Markus Armbruster
e2c1c34f13 include/block: Untangle inclusion loops
We have two inclusion loops:

       block/block.h
    -> block/block-global-state.h
    -> block/block-common.h
    -> block/blockjob.h
    -> block/block.h

       block/block.h
    -> block/block-io.h
    -> block/block-common.h
    -> block/blockjob.h
    -> block/block.h

I believe these go back to Emanuele's reorganization of the block API,
merged a few months ago in commit d7e2fe4aac.

Fortunately, breaking them is merely a matter of deleting unnecessary
includes from headers, and adding them back in places where they are
now missing.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20221221133551.3967339-2-armbru@redhat.com>
2023-01-20 07:24:28 +01:00
Philippe Mathieu-Daudé
883f2c591f bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx
The 'hwaddr' type is defined in "exec/hwaddr.h" as:

    hwaddr is the type of a physical address
   (its size can be different from 'target_ulong').

All definitions use the 'HWADDR_' prefix, except TARGET_FMT_plx:

 $ fgrep define include/exec/hwaddr.h
 #define HWADDR_H
 #define HWADDR_BITS 64
 #define HWADDR_MAX UINT64_MAX
 #define TARGET_FMT_plx "%016" PRIx64
         ^^^^^^
 #define HWADDR_PRId PRId64
 #define HWADDR_PRIi PRIi64
 #define HWADDR_PRIo PRIo64
 #define HWADDR_PRIu PRIu64
 #define HWADDR_PRIx PRIx64
 #define HWADDR_PRIX PRIX64

Since hwaddr's size can be *different* from target_ulong, it is
very confusing to read one of its format using the 'TARGET_FMT_'
prefix, normally used for the target_long / target_ulong types:

$ fgrep TARGET_FMT_ include/exec/cpu-defs.h
 #define TARGET_FMT_lx "%08x"
 #define TARGET_FMT_ld "%d"
 #define TARGET_FMT_lu "%u"
 #define TARGET_FMT_lx "%016" PRIx64
 #define TARGET_FMT_ld "%" PRId64
 #define TARGET_FMT_lu "%" PRIu64

Apparently this format was missed during commit a8170e5e97
("Rename target_phys_addr_t to hwaddr"), so complete it by
doing a bulk-rename with:

 $ sed -i -e s/TARGET_FMT_plx/HWADDR_FMT_plx/g $(git grep -l TARGET_FMT_plx)

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230110212947.34557-1-philmd@linaro.org>
[thuth: Fix some warnings from checkpatch.pl along the way]
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-01-18 11:14:34 +01:00
Ilya Leoshkevich
5584e2dbe8 tcg: add perfmap and jitdump
Add ability to dump /tmp/perf-<pid>.map and jit-<pid>.dump.
The first one allows the perf tool to map samples to each individual
translation block. The second one adds the ability to resolve symbol
names, line numbers and inspect JITed code.

Example of use:

    perf record qemu-x86_64 -perfmap ./a.out
    perf report

or

    perf record -k 1 qemu-x86_64 -jitdump ./a.out
    DEBUGINFOD_URLS= perf inject -j -i perf.data -o perf.data.jitted
    perf report -i perf.data.jitted

Co-developed-by: Vanderson M. do Rosario <vandersonmr2@gmail.com>
Co-developed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230112152013.125680-4-iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-16 10:14:12 -10:00
Thomas Huth
e8dc34196b softmmu/rtc: Emit warning when using driftfix=slew on systems without mc146818
The 'slew' lost tick policy is only available on systems with a mc146818
RTC. On other systems, "-rtc driftfix=slew" is currently silently ignored.
Let's emit at least a warning in this case to make the users aware that
there is something wrong in their command line settings.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20230110095351.611724-5-thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-01-13 16:22:57 +01:00
Thomas Huth
df37330c05 i386: Deprecate the -no-hpet QEMU command line option
The HPET setting has been turned into a machine property a while ago
already, so we should finally do the next step and deprecate the
legacy CLI option, too.

Message-Id: <20221229114913.260400-1-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-01-09 13:50:47 +01:00
Peter Maydell
48804eebd4 Miscellaneous patches for 2022-12-14
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Merge tag 'pull-misc-2022-12-14' of https://repo.or.cz/qemu/armbru into staging

Miscellaneous patches for 2022-12-14

# gpg: Signature made Wed 14 Dec 2022 15:23:02 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-misc-2022-12-14' of https://repo.or.cz/qemu/armbru:
  ppc4xx_sdram: Simplify sdram_ddr_size() to return
  block/vmdk: Simplify vmdk_co_create() to return directly
  cleanup: Tweak and re-run return_directly.cocci
  io: Tidy up fat-fingered parameter name
  qapi: Use returned bool to check for failure (again)
  sockets: Use ERRP_GUARD() where obviously appropriate
  qemu-config: Use ERRP_GUARD() where obviously appropriate
  qemu-config: Make config_parse_qdict() return bool
  monitor: Use ERRP_GUARD() in monitor_init()
  monitor: Simplify monitor_fd_param()'s error handling
  error: Move ERRP_GUARD() to the beginning of the function
  error: Drop a few superfluous ERRP_GUARD()
  error: Drop some obviously superfluous error_propagate()
  Drop more useless casts from void * to pointer

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-12-15 10:13:46 +00:00
Markus Armbruster
0ccc2c92eb qapi run-state: Elide redundant has_FOO in generated C
The has_FOO for pointer-valued FOO are redundant, except for arrays.
They are also a nuisance to work with.  Recent commit "qapi: Start to
elide redundant has_FOO in generated C" provided the means to elide
them step by step.  This is the step for qapi/run-state.json.

Said commit explains the transformation in more detail.  The invariant
violations mentioned there do not occur here.

Drop a superfluous conditional around
qapi_free_GuestPanicInformation() while there.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221104160712.3005652-24-armbru@redhat.com>
2022-12-14 20:05:07 +01:00
Markus Armbruster
9492718b7c qapi misc: Elide redundant has_FOO in generated C
The has_FOO for pointer-valued FOO are redundant, except for arrays.
They are also a nuisance to work with.  Recent commit "qapi: Start to
elide redundant has_FOO in generated C" provided the means to elide
them step by step.  This is the step for qapi/misc.json.

Said commit explains the transformation in more detail.  The invariant
violations mentioned there do not occur here.

Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20221104160712.3005652-18-armbru@redhat.com>
2022-12-14 20:04:47 +01:00
Markus Armbruster
66997c42e0 cleanup: Tweak and re-run return_directly.cocci
Tweak the semantic patch to drop redundant parenthesis around the
return expression.

Coccinelle drops a comment in hw/rdma/vmw/pvrdma_cmd.c; restored
manually.

Coccinelle messes up vmdk_co_create(), not sure why.  Change dropped,
will be done manually in the next commit.

Line breaks in target/avr/cpu.h and hw/rdma/vmw/pvrdma_cmd.c tidied up
manually.

Whitespace in tools/virtiofsd/fuse_lowlevel.c tidied up manually.

checkpatch.pl complains "return of an errno should typically be -ve"
two times for hw/9pfs/9p-synth.c.  Preexisting, the patch merely makes
it visible to checkpatch.pl.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20221122134917.1217307-2-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2022-12-14 16:19:35 +01:00
Zhenzhong Duan
f9c307c3f9 memory: Fix wrong end address dump
The end address of memory region section isn't correctly calculated
which leads to overflowed mtree dump:

  Dispatch
    Physical sections
      ......
      #70 @0000000000002000..0000000000011fff io [ROOT]
      #71 @0000000000005000..0000000000005fff (noname)
      #72 @0000000000005000..0000000000014fff io [ROOT]
      #73 @0000000000005658..0000000000005658 vmport
      #74 @0000000000005659..0000000000015658 io [ROOT]
      #75 @0000000000006000..0000000000015fff io [ROOT]

After fix:
      #70 @0000000000002000..0000000000004fff io [ROOT]
      #71 @0000000000005000..0000000000005fff (noname)
      #72 @0000000000005000..0000000000005657 io [ROOT]
      #73 @0000000000005658..0000000000005658 vmport
      #74 @0000000000005659..0000000000005fff io [ROOT]
      #75 @0000000000006000..000000000000ffff io [ROOT]

Fixes: 5e8fd947e2 ("memory: Rework "info mtree" to print flat views and dispatch trees")
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20220622095912.3430583-1-zhenzhong.duan@intel.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2022-11-08 15:53:40 -05:00
Stefan Hajnoczi
f21f1cfeb9 pci,pc,virtio: features, tests, fixes, cleanups
lots of acpi rework
 first version of biosbits infrastructure
 ASID support in vhost-vdpa
 core_count2 support in smbios
 PCIe DOE emulation
 virtio vq reset
 HMAT support
 part of infrastructure for viommu support in vhost-vdpa
 VTD PASID support
 fixes, tests all over the place
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging

pci,pc,virtio: features, tests, fixes, cleanups

lots of acpi rework
first version of biosbits infrastructure
ASID support in vhost-vdpa
core_count2 support in smbios
PCIe DOE emulation
virtio vq reset
HMAT support
part of infrastructure for viommu support in vhost-vdpa
VTD PASID support
fixes, tests all over the place

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

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# gpg: Signature made Mon 07 Nov 2022 14:27:53 EST
# gpg:                using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg:                issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (83 commits)
  checkpatch: better pattern for inline comments
  hw/virtio: introduce virtio_device_should_start
  tests/acpi: update tables for new core count test
  bios-tables-test: add test for number of cores > 255
  tests/acpi: allow changes for core_count2 test
  bios-tables-test: teach test to use smbios 3.0 tables
  hw/smbios: add core_count2 to smbios table type 4
  vhost-user: Support vhost_dev_start
  vhost: Change the sequence of device start
  intel-iommu: PASID support
  intel-iommu: convert VTD_PE_GET_FPD_ERR() to be a function
  intel-iommu: drop VTDBus
  intel-iommu: don't warn guest errors when getting rid2pasid entry
  vfio: move implement of vfio_get_xlat_addr() to memory.c
  tests: virt: Update expected *.acpihmatvirt tables
  tests: acpi: aarch64/virt: add a test for hmat nodes with no initiators
  hw/arm/virt: Enable HMAT on arm virt machine
  tests: Add HMAT AArch64/virt empty table files
  tests: acpi: q35: update expected blobs *.hmat-noinitiators expected HMAT:
  tests: acpi: q35: add test for hmat nodes without initiators
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-11-07 18:43:56 -05:00
Cindy Lu
baa44bce87 vfio: move implement of vfio_get_xlat_addr() to memory.c
- Move the implement vfio_get_xlat_addr to softmmu/memory.c, and
  change the name to memory_get_xlat_addr(). So we can use this
  function on other devices, such as vDPA device.
- Add a new function vfio_get_xlat_addr in vfio/common.c, and it will check
  whether the memory is backed by a discard manager. then device can
  have its own warning.

Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-Id: <20221031031020.1405111-2-lulu@redhat.com>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-11-07 14:08:17 -05:00
Claudio Fontana
c551fb0b53 module: add Error arguments to module_load and module_load_qom
improve error handling during module load, by changing:

bool module_load(const char *prefix, const char *lib_name);
void module_load_qom(const char *type);

to:

int module_load(const char *prefix, const char *name, Error **errp);
int module_load_qom(const char *type, Error **errp);

where the return value is:

 -1 on module load error, and errp is set with the error
  0 on module or one of its dependencies are not installed
  1 on module load success
  2 on module load success (module already loaded or built-in)

module_load_qom_one has been introduced in:

commit 28457744c3 ("module: qom module support"), which built on top of
module_load_one, but discarded the bool return value. Restore it.

Adapt all callers to emit errors, or ignore them, or fail hard,
as appropriate in each context.

Replace the previous emission of errors via fprintf in _some_ error
conditions with Error and error_report, so as to emit to the appropriate
target.

A memory leak is also fixed as part of the module_load changes.

audio: when attempting to load an audio module, report module load errors.
Note that still for some callers, a single issue may generate multiple
error reports, and this could be improved further.
Regarding the audio code itself, audio_add() seems to ignore errors,
and this should probably be improved.

block: when attempting to load a block module, report module load errors.
For the code paths that already use the Error API, take advantage of those
to report module load errors into the Error parameter.
For the other code paths, we currently emit the error, but this could be
improved further by adding Error parameters to all possible code paths.

console: when attempting to load a display module, report module load errors.

qdev: when creating a new qdev Device object (DeviceState), report load errors.
      If a module cannot be loaded to create that device, now abort execution
      (if no CONFIG_MODULE) or exit (if CONFIG_MODULE).

qom/object.c: when initializing a QOM object, or looking up class_by_name,
              report module load errors.

qtest: when processing the "module_load" qtest command, report errors
       in the load of the module.

Signed-off-by: Claudio Fontana <cfontana@suse.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220929093035.4231-4-cfontana@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-11-06 09:48:50 +01:00
Claudio Fontana
dbc0e80553 module: rename module_load_one to module_load
Signed-off-by: Claudio Fontana <cfontana@suse.de>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220929093035.4231-3-cfontana@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-11-06 09:48:50 +01:00
Claudio Fontana
2106106d80 module: removed unused function argument "mayfail"
mayfail is always passed as false for every invocation throughout the program.
It controls whether to printf or not to printf an error on
g_module_open failure.

Remove this unused argument.

Signed-off-by: Claudio Fontana <cfontana@suse.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220929093035.4231-2-cfontana@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-11-06 09:48:50 +01:00
Stefan Hajnoczi
395a90be6f * Fix and test the VISTR instruction on s390x
* Some more small s390x fixes and maintainer updates
 * Make sure to remove all temporary files from qtests
 * OpenBSD VM test update to version 7.2
 * Add sndio to FreeBSD tests
 * More patches to enable the qtests on Windows
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Merge tag 'pull-request-2022-10-28' of https://gitlab.com/thuth/qemu into staging

* Fix and test the VISTR instruction on s390x
* Some more small s390x fixes and maintainer updates
* Make sure to remove all temporary files from qtests
* OpenBSD VM test update to version 7.2
* Add sndio to FreeBSD tests
* More patches to enable the qtests on Windows

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# gpg: Signature made Fri 28 Oct 2022 09:20:31 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-2022-10-28' of https://gitlab.com/thuth/qemu: (21 commits)
  tests/qtest: libqtest: Correct the timeout unit of blocking receive calls for win32
  tests/qtest: libqos: Do not build virtio-9p unconditionally
  tests/qtest: migration-test: Make sure QEMU process "to" exited after migration is canceled
  tests/qtest: libqtest: Introduce qtest_wait_qemu()
  tests/qtest: Use EXIT_FAILURE instead of magic number
  tests/qtest: device-plug-test: Reverse the usage of double/single quotes
  tests/qtest: Support libqtest to build and run on Windows
  tests/qtest: Use send/recv for socket communication
  accel/qtest: Support qtest accelerator for Windows
  tests: Add sndio to the FreeBSD CI containers / VM
  tests/vm: update openbsd to release 7.2
  tests/qtest/libqos/e1000e: Use e1000_regs.h
  tests/qtest/cxl-test: Remove temporary directories after testing
  tests/qtest/tpm: Clean up remainders of swtpm
  MAINTAINERS: target/s390x/: add Ilya as reviewer
  tests/tcg/s390x: Add a test for the vistr instruction
  target/s390x: Fix emulation of the VISTR instruction
  tests/tcg/s390x: Test compiler flags only once, not every time
  s390x/tod-kvm: don't save/restore the TOD in PV guests
  s390x: step down as general arch maintainer
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-31 06:19:54 -04:00
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
5eff7badae Error reporting patches for 2022-10-28
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Merge tag 'pull-error-2022-10-28' of https://repo.or.cz/qemu/armbru into staging

Error reporting patches for 2022-10-28

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# gpg: Signature made Fri 28 Oct 2022 02:06:11 EDT
# 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-error-2022-10-28' of https://repo.or.cz/qemu/armbru:
  qerror: QERR_PERMISSION_DENIED is no longer used, drop
  qtest: Improve error messages when property can not be set right now
  backends: Improve error messages when property can no longer be set
  qom: Improve error messages when property has no getter or setter

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-30 18:30:51 -04:00
Stefan Hajnoczi
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Merge tag 'net-pull-request' of https://github.com/jasowang/qemu into staging

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# gpg: Signature made Fri 28 Oct 2022 01:29:25 EDT
# gpg:                using RSA key EF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>" [full]
# Primary key fingerprint: 215D 46F4 8246 689E C77F  3562 EF04 965B 398D 6211

* tag 'net-pull-request' of https://github.com/jasowang/qemu: (26 commits)
  net: stream: add QAPI events to report connection state
  net: stream: move to QIO to enable additional parameters
  qemu-sockets: update socket_uri() and socket_parse() to be consistent
  qemu-sockets: move and rename SocketAddress_to_str()
  net: dgram: add unix socket
  net: dgram: move mcast specific code from net_socket_fd_init_dgram()
  net: dgram: make dgram_dst generic
  net: stream: add unix socket
  net: stream: Don't ignore EINVAL on netdev socket connection
  net: socket: Don't ignore EINVAL on netdev socket connection
  qapi: net: add stream and dgram netdevs
  net: introduce qemu_set_info_str() function
  qapi: net: introduce a way to bypass qemu_opts_parse_noisily()
  net: simplify net_client_parse() error management
  net: remove the @errp argument of net_client_inits()
  net: introduce convert_host_port()
  vhost: Accept event idx flag
  vhost: use avail event idx on vhost_svq_kick
  vhost: toggle device callbacks using used event idx
  vhost: allocate event_idx fields on vring
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-30 18:30:01 -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
Xuzhou Cheng
c9923550b4 accel/qtest: Support qtest accelerator for Windows
Currently signal SIGIPI [=SIGUSR1] is used to kick the dummy CPU
when qtest accelerator is used. However SIGUSR1 is unsupported on
Windows. To support Windows, we add a QemuSemaphore CPUState::sem
to kick the dummy CPU instead for 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: <20221028045736.679903-2-bin.meng@windriver.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-10-28 11:17:12 +02:00
Laurent Vivier
f3eedcddba qapi: net: introduce a way to bypass qemu_opts_parse_noisily()
As qemu_opts_parse_noisily() flattens the QAPI structures ("type" field
of Netdev structure can collides with "type" field of SocketAddress),
we introduce a way to bypass qemu_opts_parse_noisily() and use directly
visit_type_Netdev() to parse the backend parameters.

More details from Markus:

qemu_init() passes the argument of -netdev, -nic, and -net to
net_client_parse().

net_client_parse() parses with qemu_opts_parse_noisily(), passing
QemuOptsList qemu_netdev_opts for -netdev, qemu_nic_opts for -nic, and
qemu_net_opts for -net.  Their desc[] are all empty, which means any
keys are accepted.  The result of the parse (a QemuOpts) is stored in
the QemuOptsList.

Note that QemuOpts is flat by design.  In some places, we layer non-flat
on top using dotted keys convention, but not here.

net_init_clients() iterates over the stored QemuOpts, and passes them to
net_init_netdev(), net_param_nic(), or net_init_client(), respectively.

These functions pass the QemuOpts to net_client_init().  They also do
other things with the QemuOpts, which we can ignore here.

net_client_init() uses the opts visitor to convert the (flat) QemOpts to
a (non-flat) QAPI object Netdev.  Netdev is also the argument of QMP
command netdev_add.

The opts visitor was an early attempt to support QAPI in
(QemuOpts-based) CLI.  It restricts QAPI types to a certain shape; see
commit eb7ee2cbeb "qapi: introduce OptsVisitor".

A more modern way to support QAPI is qobject_input_visitor_new_str().
It uses keyval_parse() instead of QemuOpts for KEY=VALUE,... syntax, and
it also supports JSON syntax.  The former isn't quite as expressive as
JSON, but it's a lot closer than QemuOpts + opts visitor.

This commit paves the way to use of the modern way instead.

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2022-10-28 13:28:52 +08:00
Laurent Vivier
21fccb2cbb net: simplify net_client_parse() error management
All net_client_parse() callers exit in case of error.

Move exit(1) to net_client_parse() and remove error checking from
the callers.

Suggested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2022-10-28 13:28:52 +08:00
Laurent Vivier
d63ef17bfc net: remove the @errp argument of net_client_inits()
The only caller passes &error_fatal, so use this directly in the function.

It's what we do for -blockdev, -device, and -object.

Suggested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2022-10-28 13:28:52 +08:00
Jason A. Donenfeld
e1e618b9a0 device-tree: add re-randomization helper function
When the system reboots, the rng-seed that the FDT has should be
re-randomized, so that the new boot gets a new seed. Several
architectures require this functionality, so export a function for
injecting a new seed into the given FDT.

Cc: Alistair Francis <alistair.francis@wdc.com>
Cc: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20221025004327.568476-3-Jason@zx2c4.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-10-27 11:34:31 +01:00
Jason A. Donenfeld
7966d70f6f reset: allow registering handlers that aren't called by snapshot loading
Snapshot loading only expects to call deterministic handlers, not
non-deterministic ones. So introduce a way of registering handlers that
won't be called when reseting for snapshots.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Message-id: 20221025004327.568476-2-Jason@zx2c4.com
[PMM: updated json doc comment with Markus' text; fixed
 checkpatch style nit]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-10-27 11:34:31 +01:00
David Hildenbrand
bd77c30df9 vl: Allow ThreadContext objects to be created before the sandbox option
Currently, there is no way to configure a CPU affinity inside QEMU when
the sandbox option disables it for QEMU as a whole, for example, via:
    -sandbox enable=on,resourcecontrol=deny

While ThreadContext objects can be created on the QEMU commandline and
the CPU affinity can be configured externally via the thread-id, this is
insufficient if a ThreadContext with a certain CPU affinity is already
required during QEMU startup, before we can intercept QEMU and
configure the CPU affinity.

Blocking sched_setaffinity() was introduced in 24f8cdc572 ("seccomp:
add resourcecontrol argument to command line"), "to avoid any bigger of the
process". However, we only care about once QEMU is running, not when
the instance starting QEMU explicitly requests a certain CPU affinity
on the QEMU comandline.

Right now, for NUMA-aware preallocation of memory backends used for initial
machine RAM, one has to:

1) Start QEMU with the memory-backend with "prealloc=off"
2) Pause QEMU before it starts the guest (-S)
3) Create ThreadContext, configure the CPU affinity using the thread-id
4) Configure the ThreadContext as "prealloc-context" of the memory
   backend
5) Trigger preallocation by setting "prealloc=on"

To simplify this handling especially for initial machine RAM,
allow creation of ThreadContext objects before parsing sandbox options,
such that the CPU affinity requested on the QEMU commandline alongside the
sandbox option can be set. As ThreadContext objects essentially only create
a persistent context thread and set the CPU affinity, this is easily
possible.

With this change, we can create a ThreadContext with a CPU affinity on
the QEMU commandline and use it for preallocation of memory backends
glued to the machine (simplified example):

To make "-name debug-threads=on" keep working as expected for the
context threads, perform earlier parsing of "-name".

qemu-system-x86_64 -m 1G \
 -object thread-context,id=tc1,cpu-affinity=3-4 \
 -object memory-backend-ram,id=pc.ram,size=1G,prealloc=on,prealloc-threads=2,prealloc-context=tc1 \
 -machine memory-backend=pc.ram \
 -S -monitor stdio -sandbox enable=on,resourcecontrol=deny

And while we can query the current CPU affinity:
  (qemu) qom-get tc1 cpu-affinity
  [
      3,
      4
  ]

We can no longer change it from QEMU directly:
  (qemu) qom-set tc1 cpu-affinity 1-2
  Error: Setting CPU affinity failed: Operation not permitted

Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Message-Id: <20221014134720.168738-8-david@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
2022-10-27 11:01:09 +02:00
David Hildenbrand
6556aadc18 util: Cleanup and rename os_mem_prealloc()
Let's
* give the function a "qemu_*" style name
* make sure the parameters in the implementation match the prototype
* rename smp_cpus to max_threads, which makes the semantics of that
  parameter clearer

... and add a function documentation.

Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Message-Id: <20221014134720.168738-2-david@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
2022-10-27 11:00:28 +02:00
Markus Armbruster
8d09593314 qtest: Improve error messages when property can not be set right now
When you try to set qtest property "log" while the qtest object is
active, the error message blames "insufficient permission":

    $ qemu-system-x86_64 -S -display none -nodefaults -monitor stdio -chardev socket,id=chrqt0,path=qtest.socket,server=on,wait=off -object qtest,id=qt0,chardev=chrqt0,log=/dev/null
    QEMU 7.1.50 monitor - type 'help' for more information
    (qemu) qom-set /objects/qt0 log qtest.log
    Error: Insufficient permission to perform this operation

This implies it could work with "sufficient permission".  It can't.
Change the error message to:

    Error: Property 'log' can not be set now

Same for property "chardev".

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20221012153801.2604340-4-armbru@redhat.com>
2022-10-27 07:57:09 +02:00
Stefan Hajnoczi
6d998f3cbf exec/cpu-common: add qemu_ram_get_fd()
Add a function to get the file descriptor for a RAMBlock. Device
emulation code typically uses the MemoryRegion APIs but vhost-style code
may use RAMBlock directly for sharing guest memory with another process.

This new API will be used by the libblkio block driver so it can share
guest memory via .bdrv_register_buf().

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20221013185908.1297568-11-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-26 14:56:42 -04:00
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
Daniel Henrique Barboza
bf353ad555 qmp/hmp, device_tree.c: introduce dumpdtb
To save the FDT blob we have the '-machine dumpdtb=<file>' property.
With this property set, the machine saves the FDT in <file> and exit.
The created file can then be converted to plain text dts format using
'dtc'.

There's nothing particularly sophisticated into saving the FDT that
can't be done with the machine at any state, as long as the machine has
a valid FDT to be saved.

The 'dumpdtb' command receives a 'filename' parameter and, if the FDT is
available via current_machine->fdt, save it in dtb format to 'filename'.
In short, this is a '-machine dumpdtb' that can be fired on demand via
QMP/HMP.

This command will always be executed in-band (i.e. holding BQL),
avoiding potential race conditions with machines that might change the
FDT during runtime (e.g. PowerPC 'pseries' machine).

Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Cc: Alistair Francis <alistair.francis@wdc.com>
Cc: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220926173855.1159396-2-danielhb413@gmail.com>
2022-10-17 16:15:10 -03:00
Alex Bennée
ae7467b1ac gdbstub: move breakpoint logic to accel ops
As HW virtualization requires specific support to handle breakpoints
lets push out special casing out of the core gdbstub code and into
AccelOpsClass. This will make it easier to add other accelerator
support and reduces some of the stub shenanigans.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Mads Ynddal <mads@ynddal.dk>
Message-Id: <20220929114231.583801-45-alex.bennee@linaro.org>
2022-10-06 11:53:41 +01:00
Stefan Hajnoczi
fafd35a6da Pull request trivial patches branch 20220930-v2
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Merge tag 'trivial-branch-for-7.2-pull-request' of https://gitlab.com/laurent_vivier/qemu into staging

Pull request trivial patches branch 20220930-v2

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# gpg: Signature made Mon 03 Oct 2022 18:13:22 EDT
# 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 'trivial-branch-for-7.2-pull-request' of https://gitlab.com/laurent_vivier/qemu:
  docs: Update TPM documentation for usage of a TPM 2
  Use g_new() & friends where that makes obvious sense
  Drop superfluous conditionals around g_free()
  block/qcow2-bitmap: Add missing cast to silent GCC error
  checkpatch: ignore target/hexagon/imported/* files
  mem/cxl_type3: fix GPF DVSEC
  .gitignore: add .cache/ to .gitignore
  hw/virtio/vhost-shadow-virtqueue: Silence GCC error "maybe-uninitialized"

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-10-04 14:04:18 -04:00
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
Markus Armbruster
c5e8d51824 Use g_new() & friends where that makes obvious sense
g_new(T, n) is neater than g_malloc(sizeof(T) * n).  It's also safer,
for two reasons.  One, it catches multiplication overflowing size_t.
Two, it returns T * rather than void *, which lets the compiler catch
more type errors.

This commit only touches allocations with size arguments of the form
sizeof(T).

Patch created mechanically with:

    $ spatch --in-place --sp-file scripts/coccinelle/use-g_new-etc.cocci \
	     --macro-file scripts/cocci-macro-file.h FILES...

The previous iteration was commit a95942b50c.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20220923084254.4173111-1-armbru@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-10-04 00:10:11 +02:00
Paolo Bonzini
5433af7697 watchdog: remove -watchdog option
This was deprecated in 6.2 and is ready to go.  It removes quite a bit
of code that handled the registration of watchdog models.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-09-29 11:40:28 +02:00
Akihiko Odaki
bab6a301c5 ui/cocoa: Run qemu_init in the main thread
This work is based on:
https://patchew.org/QEMU/20220317125534.38706-1-philippe.mathieu.daude@gmail.com/

Simplify the initialization dance by running qemu_init() in the main
thread before the Cocoa event loop starts. The secondary thread only
runs only qemu_main_loop() and qemu_cleanup().

This fixes a case where addRemovableDevicesMenuItems() calls
qmp_query_block() while expecting the main thread to still hold
the BQL.

Overriding the code after calling qemu_init() is done by dynamically
replacing a function pointer variable, qemu_main when initializing
ui/cocoa, which unifies the static implementation of main() for
builds with ui/cocoa and ones without ui/cocoa.

Signed-off-by: Akihiko Odaki <akihiko.odaki@gmail.com>
Message-Id: <20220819132756.74641-2-akihiko.odaki@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-09-23 14:36:33 +02:00
Claudio Fontana
5e03b6daf6 audio: add help option for -audio and -audiodev
add a simple help option for -audio and -audiodev
to show the list of available drivers, and document them.

Signed-off-by: Claudio Fontana <cfontana@suse.de>
Message-Id: <20220908081441.7111-1-cfontana@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-09-19 15:15:59 +02:00
Peter Maydell
5202861b20 semihosting: Allow optional use of semihosting from userspace
Currently our semihosting implementations generally prohibit use of
semihosting calls in system emulation from the guest userspace.  This
is a very long standing behaviour justified originally "to provide
some semblance of security" (since code with access to the
semihosting ABI can do things like read and write arbitrary files on
the host system).  However, it is sometimes useful to be able to run
trusted guest code which performs semihosting calls from guest
userspace, notably for test code.  Add a command line suboption to
the existing semihosting-config option group so that you can
explicitly opt in to semihosting from guest userspace with
 -semihosting-config userspace=on

(There is no equivalent option for the user-mode emulator, because
there by definition all code runs in userspace and has access to
semihosting already.)

This commit adds the infrastructure for the command line option and
adds a bool 'is_user' parameter to the function
semihosting_userspace_enabled() that target code can use to check
whether it should be permitting the semihosting call for userspace.
It mechanically makes all the callsites pass 'false', so they
continue checking "is semihosting enabled in general".  Subsequent
commits will make each target that implements semihosting honour the
userspace=on option by passing the correct value and removing
whatever "don't do this for userspace" checking they were doing by
hand.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220822141230.3658237-2-peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-09-13 17:18:21 +01:00
Richard Henderson
97e03465f7 accel/tcg: Move qemu_ram_addr_from_host_nofail to physmem.c
The base qemu_ram_addr_from_host function is already in
softmmu/physmem.c; move the nofail version to be adjacent.

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
Tested-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-09-06 08:04:26 +01:00
Stefan Hajnoczi
9fd704da68 chardev patches & small audio fix
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Merge tag 'char-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging

chardev patches & small audio fix

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# gpg: Signature made Fri 02 Sep 2022 09:13:26 EDT
# gpg:                using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg:                issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* tag 'char-pull-request' of https://gitlab.com/marcandre.lureau/qemu:
  audio: exit(1) if audio backend failed to be found or initialized
  tests/unit: Update test-io-channel-socket.c for Windows
  chardev/char-socket: Update AF_UNIX for Windows
  util/qemu-sockets: Enable unix socket support on Windows

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2022-09-02 11:14:22 -04:00
Marc-André Lureau
0f957c53c8 audio: exit(1) if audio backend failed to be found or initialized
If you specify a known backend but it isn't compiled in, or failed to
initialize, you get a simple warning and the "none" backend as a
fallback, and QEMU runs happily:

$ qemu-system-x86_64 -audiodev id=audio,driver=dsound
audio: Unknown audio driver `dsound'
audio: warning: Using timer based audio emulation
...

Instead, QEMU should fail to start:
$ qemu-system-x86_64 -audiodev id=audio,driver=dsound
audio: Unknown audio driver `dsound'
$

Resolves:
https://bugzilla.redhat.com/show_bug.cgi?id=1983493

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <20220822131021.975656-1-marcandre.lureau@redhat.com>
2022-09-02 15:54:47 +04:00