Commit Graph

110257 Commits

Author SHA1 Message Date
Peter Maydell
ee88df5015 acpi: Clean up includes
This commit was created with scripts/clean-includes:
 ./scripts/clean-includes --git acpi include/hw/*/*acpi.h hw/*/*acpi.c

All .c should include qemu/osdep.h first.  The script performs three
related cleanups:

* Ensure .c files include qemu/osdep.h first.
* Including it in a .h is redundant, since the .c  already includes
  it.  Drop such inclusions.
* Likewise, including headers qemu/osdep.h includes is redundant.
  Drop these, too.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-01-30 21:20:20 +03:00
Peter Maydell
00e3deef8e aspeed: Clean up includes
This commit was created with scripts/clean-includes.

All .c should include qemu/osdep.h first.  The script performs three
related cleanups:

* Ensure .c files include qemu/osdep.h first.
* Including it in a .h is redundant, since the .c  already includes
  it.  Drop such inclusions.
* Likewise, including headers qemu/osdep.h includes is redundant.
  Drop these, too.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-01-30 21:20:20 +03:00
Peter Maydell
3910de6fc7 disas/riscv: Clean up includes
This commit was created with scripts/clean-includes:
 ./scripts/clean-includes --git disas/riscv disas/riscv*[ch]

All .c should include qemu/osdep.h first.  The script performs three
related cleanups:

* Ensure .c files include qemu/osdep.h first.
* Including it in a .h is redundant, since the .c  already includes
  it.  Drop such inclusions.
* Likewise, including headers qemu/osdep.h includes is redundant.
  Drop these, too.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-01-30 21:20:20 +03:00
Peter Maydell
05871c72be hyperv: Clean up includes
This commit was created with scripts/clean-includes:
 ./scripts/clean-includes --git hyperv hw/hyperv/*.[ch]

All .c should include qemu/osdep.h first.  The script performs three
related cleanups:

* Ensure .c files include qemu/osdep.h first.
* Including it in a .h is redundant, since the .c  already includes
  it.  Drop such inclusions.
* Likewise, including headers qemu/osdep.h includes is redundant.
  Drop these, too.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-01-30 21:20:20 +03:00
Peter Maydell
bbad42455b scripts/clean-includes: Update exclude list
Update the exclude list to exclude some more files which don't follow our
standard #include policy.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-01-30 21:20:20 +03:00
Philippe Mathieu-Daudé
63b4c714ab mailmap: Fix Stefan Weil email
Commit 5204b499a6 ("mailmap: Fix Stefan Weil author email")
corrected authorship for patch received at qemu-devel@nongnu.org,
correct now for patch received at qemu-trivial@nongnu.org.

Update other authorship email for Stefan's commits.

Suggested-by: Stefan Weil <sw@weilnetz.de>
Fixes: d819fc9516 ("virtio-blk: Fix potential nullptr read access")
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-01-30 21:20:20 +03:00
Yihuan Pan
db101376af qemu-docs: Update options for graphical frontends
The command line options `-ctrl-grab` and `-alt-grab` have been removed
in QEMU 7.1. Instead, use the `-display sdl,grab-mod=<modifiers>` option
to specify the grab modifiers.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2103
Signed-off-by: Yihuan Pan <xun794@gmail.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-01-30 21:20:20 +03:00
Han Han
dee70f51bf qapi/migration.json: Fix the member name for MigrationCapability
s/@compression/@compress/

Fixes: 864128df46

Signed-off-by: Han Han <hhan@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-01-30 21:20:20 +03:00
Michael Tokarev
7aa94e591f colo: examples: remove mentions of script= and (wrong) downscript=
There's no need to repeat script=/etc/qemu-ifup in examples,
as it is already in there.  More, all examples uses incorrect
"down script=" (which should be "downscript=").

Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Zhang Chen <chen.zhang@intel.com>
2024-01-30 21:20:20 +03:00
Markus Armbruster
e999bea8e6 dump: Fix HMP dump-guest-memory -z without -R
-z without -R has no effect: the dump format remains @elf.  Fix the
logic error so it becomes @kdump-zlib.

Fixes: e6549197f7 (dump: Add command interface for kdump-raw formats)
Fixes: CID 1523841
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stephen Brennan <stephen.s.brennan@oracle.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-01-30 21:20:20 +03:00
Peter Maydell
11be70677c vfio queue:
* Array type cleanup
 * Fix for IRQ enablement
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Merge tag 'pull-vfio-20240129' of https://github.com/legoater/qemu into staging

vfio queue:

* Array type cleanup
* Fix for IRQ enablement

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# gpg: Signature made Mon 29 Jan 2024 07:37:40 GMT
# gpg:                using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
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* tag 'pull-vfio-20240129' of https://github.com/legoater/qemu:
  vfio/pci: Clear MSI-X IRQ index always
  vfio: use matching sizeof type

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-01-29 10:53:56 +00:00
Peter Maydell
e7390150e7 Migration Pull
[dropped fabiano's patch on modifying cpu model for arm migration tests for
  now]
 
 - Fabiano's patchset to fix migration state references in BHs
 - Fabiano's new 'n-1' migration test for CI
 - Het's fix on making "uri" optional in QMP migrate cmd
 - Markus's HMP leak fix reported by Coverity
 - Paolo's cleanup on uffd to replace u64 usage
 - Peter's small migration cleanup series all over the places
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Merge tag 'migration-20240126-pull-request' of https://gitlab.com/peterx/qemu into staging

Migration Pull

[dropped fabiano's patch on modifying cpu model for arm migration tests for
 now]

- Fabiano's patchset to fix migration state references in BHs
- Fabiano's new 'n-1' migration test for CI
- Het's fix on making "uri" optional in QMP migrate cmd
- Markus's HMP leak fix reported by Coverity
- Paolo's cleanup on uffd to replace u64 usage
- Peter's small migration cleanup series all over the places

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* tag 'migration-20240126-pull-request' of https://gitlab.com/peterx/qemu:
  Make 'uri' optional for migrate QAPI
  migration: Centralize BH creation and dispatch
  migration: Add a wrapper to qemu_bh_schedule
  migration: Reference migration state around loadvm_postcopy_handle_run_bh
  migration: Take reference to migration state around bg_migration_vm_start_bh
  migration: Fix use-after-free of migration state object
  migration/yank: Use channel features
  ci: Disable migration compatibility tests for aarch64
  ci: Add a migration compatibility test job
  analyze-migration.py: Remove trick on parsing ramblocks
  migration: Drop unnecessary check in ram's pending_exact()
  migration: Make threshold_size an uint64_t
  migration: Plug memory leak on HMP migrate error path
  userfaultfd: use 1ULL to build ioctl masks

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-01-29 10:53:42 +00:00
Cédric Le Goater
d2b668fca5 vfio/pci: Clear MSI-X IRQ index always
When doing device assignment of a physical device, MSI-X can be
enabled with no vectors enabled and this sets the IRQ index to
VFIO_PCI_MSIX_IRQ_INDEX. However, when MSI-X is disabled, the IRQ
index is left untouched if no vectors are in use. Then, when INTx
is enabled, the IRQ index value is considered incompatible (set to
MSI-X) and VFIO_DEVICE_SET_IRQS fails. QEMU complains with :

qemu-system-x86_64: vfio 0000:08:00.0: Failed to set up TRIGGER eventfd signaling for interrupt INTX-0: VFIO_DEVICE_SET_IRQS failure: Invalid argument

To avoid that, unconditionaly clear the IRQ index when MSI-X is
disabled.

Buglink: https://issues.redhat.com/browse/RHEL-21293
Fixes: 5ebffa4e87 ("vfio/pci: use an invalid fd to enable MSI-X")
Cc: Jing Liu <jing2.liu@intel.com>
Cc: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
2024-01-29 08:26:25 +01:00
Paolo Bonzini
850051b94b vfio: use matching sizeof type
Do not use uint64_t for the type of the declaration and __u64 when
computing the number of elements in the array.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-01-29 08:26:25 +01:00
Het Gala
57fd4b4e10 Make 'uri' optional for migrate QAPI
'uri' argument should be optional, as 'uri' and 'channels'
arguments are mutally exclusive in nature.

Fixes: 074dbce5fc (migration: New migrate and migrate-incoming argument 'channels')
Signed-off-by: Het Gala <het.gala@nutanix.com>
Link: https://lore.kernel.org/r/20240123064219.40514-1-het.gala@nutanix.com
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-01-29 11:02:12 +08:00
Fabiano Rosas
44d0d456d7 migration: Centralize BH creation and dispatch
Now that the migration state reference counting is correct, further
wrap the bottom half dispatch process to avoid future issues.

Move BH creation and scheduling together and wrap the dispatch with an
intermediary function that will ensure we always keep the ref/unref
balanced.

Also move the responsibility of deleting the BH into the wrapper and
remove the now unnecessary pointers.

Signed-off-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240119233922.32588-6-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-01-29 11:02:12 +08:00
Fabiano Rosas
699d9476a0 migration: Add a wrapper to qemu_bh_schedule
Wrap qemu_bh_schedule() to ensure we always hold a reference to the
current_migration object.

Signed-off-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240119233922.32588-5-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-01-29 11:02:12 +08:00
Fabiano Rosas
9cf268965d migration: Reference migration state around loadvm_postcopy_handle_run_bh
We need to hold a reference to the current_migration object around
async calls to avoid it been freed while still in use. Even on this
load-side function, we might still use the MigrationState, e.g to
check for capabilities.

Signed-off-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240119233922.32588-4-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-01-29 11:02:12 +08:00
Fabiano Rosas
59094cfa7a migration: Take reference to migration state around bg_migration_vm_start_bh
We need to hold a reference to the current_migration object around
async calls to avoid it been freed while still in use.

Signed-off-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240119233922.32588-3-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-01-29 11:02:12 +08:00
Fabiano Rosas
27eb8499ed migration: Fix use-after-free of migration state object
We're currently allowing the process_incoming_migration_bh bottom-half
to run without holding a reference to the 'current_migration' object,
which leads to a segmentation fault if the BH is still live after
migration_shutdown() has dropped the last reference to
current_migration.

In my system the bug manifests as migrate_multifd() returning true
when it shouldn't and multifd_load_shutdown() calling
multifd_recv_terminate_threads() which crashes due to an uninitialized
multifd_recv_state.

Fix the issue by holding a reference to the object when scheduling the
BH and dropping it before returning from the BH. The same is already
done for the cleanup_bh at migrate_fd_cleanup_schedule().

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1969
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240119233922.32588-2-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-01-29 11:02:12 +08:00
Fabiano Rosas
0a5d1108ab migration/yank: Use channel features
Stop using outside knowledge about the io channels when registering
yank functions. Query for features instead.

The yank method for all channels used with migration code currently is
to call the qio_channel_shutdown() function, so query for
QIO_CHANNEL_FEATURE_SHUTDOWN. We could add a separate feature in the
future for indicating whether a channel supports yanking, but that
seems overkill at the moment.

Signed-off-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20230911171320.24372-9-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-01-29 11:02:12 +08:00
Fabiano Rosas
079687e418 ci: Disable migration compatibility tests for aarch64
Until 9.0 is out, we need to keep the aarch64 job disabled because the
tests always use the n-1 version of migration-test. That happens to be
broken for aarch64 in 8.2. Once 9.0 is out, it will become the n-1
version and it will bring the fixed tests.

We can revert this patch when 9.0 releases.

Signed-off-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240118164951.30350-4-farosas@suse.de
[peterx: use _SKIPPED rather than _OPTIONAL]
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-01-29 11:02:12 +08:00
Fabiano Rosas
94766edb35 ci: Add a migration compatibility test job
The migration tests have support for being passed two QEMU binaries to
test migration compatibility.

Add a CI job that builds the lastest release of QEMU and another job
that uses that version plus an already present build of the current
version and run the migration tests with the two, both as source and
destination. I.e.:

 old QEMU (n-1) -> current QEMU (development tree)
 current QEMU (development tree) -> old QEMU (n-1)

The purpose of this CI job is to ensure the code we're about to merge
will not cause a migration compatibility problem when migrating the
next release (which will contain that code) to/from the previous
release.

The version of migration-test used will be the one matching the older
QEMU. That way we can avoid special-casing new tests that wouldn't be
compatible with the older QEMU.

Note: for user forks, the version tags need to be pushed to gitlab
otherwise it won't be able to checkout a different version.

Signed-off-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240118164951.30350-3-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-01-29 11:02:12 +08:00
Peter Xu
434b8adcf3 analyze-migration.py: Remove trick on parsing ramblocks
RAM_SAVE_FLAG_MEM_SIZE contains the total length of ramblock idstr to know
whether scanning of ramblocks is complete.  Drop the trick.

Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240117075848.139045-4-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-01-29 11:02:12 +08:00
Peter Xu
b0504edd40 migration: Drop unnecessary check in ram's pending_exact()
When the migration frameworks fetches the exact pending sizes, it means
this check:

  remaining_size < s->threshold_size

Must have been done already, actually at migration_iteration_run():

    if (must_precopy <= s->threshold_size) {
        qemu_savevm_state_pending_exact(&must_precopy, &can_postcopy);

That should be after one round of ram_state_pending_estimate().  It makes
the 2nd check meaningless and can be dropped.

To say it in another way, when reaching ->state_pending_exact(), we
unconditionally sync dirty bits for precopy.

Then we can drop migrate_get_current() there too.

Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240117075848.139045-3-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-01-29 11:02:12 +08:00
Peter Xu
a8629e0c2f migration: Make threshold_size an uint64_t
It's always used to compare against another uint64_t.  Make it always clear
that it's never a negative.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240117075848.139045-2-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-01-29 11:02:12 +08:00
Markus Armbruster
918f620d30 migration: Plug memory leak on HMP migrate error path
hmp_migrate() leaks @caps when qmp_migrate() fails.  Plug the leak
with g_autoptr().

Fixes: 967f2de5c9 (migration: Implement MigrateChannelList to hmp migration flow.) v8.2.0-rc0
Fixes: CID 1533125
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Link: https://lore.kernel.org/r/20240117140722.3979657-1-armbru@redhat.com
[peterx: fix CID number as reported by Peter Maydell]
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-01-29 11:02:12 +08:00
Paolo Bonzini
73b4987858 userfaultfd: use 1ULL to build ioctl masks
There is no need to use the Linux-internal __u64 type, 1ULL is
guaranteed to be wide enough.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Link: https://lore.kernel.org/r/20240117160313.175609-1-pbonzini@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-01-29 11:02:12 +08:00
Peter Maydell
7a1dc45af5 target-arm queue:
* Fix VNCR fault detection logic
  * Fix A64 scalar SQSHRN and SQRSHRN
  * Fix incorrect aa64_tidcp1 feature check
  * hw/arm/virt.c: Remove newline from error_report() string
  * hw/arm/musicpal: Convert to qemu_add_kbd_event_handler()
  * hw/arm/allwinner-a10: Unconditionally map the USB Host controllers
  * hw/arm/nseries: Unconditionally map the TUSB6010 USB Host controller
  * hw/arm: Add EHCI/OHCI controllers to Allwinner R40 and Bananapi board
  * hw/arm: Add AHCI/SATA controller to Allwinner R40 and Bananapi board
  * hw/arm: Add watchdog timer to Allwinner H40 and Bananapi board
  * arm: various include header cleanups
  * cleanups to allow some files to be built only once
  * fsl-imx6ul: Add various missing unimplemented devices
  * docs/system/arm/virt.rst: Add note on CPU features off by default
  * hw/char/imx_serial: Implement receive FIFO and ageing timer
  * target/xtensa: fix OOB TLB entry access
  * bswap.h: Fix const_le64() macro
  * hw/arm: add PCIe to Freescale i.MX6
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Merge tag 'pull-target-arm-20240126' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
 * Fix VNCR fault detection logic
 * Fix A64 scalar SQSHRN and SQRSHRN
 * Fix incorrect aa64_tidcp1 feature check
 * hw/arm/virt.c: Remove newline from error_report() string
 * hw/arm/musicpal: Convert to qemu_add_kbd_event_handler()
 * hw/arm/allwinner-a10: Unconditionally map the USB Host controllers
 * hw/arm/nseries: Unconditionally map the TUSB6010 USB Host controller
 * hw/arm: Add EHCI/OHCI controllers to Allwinner R40 and Bananapi board
 * hw/arm: Add AHCI/SATA controller to Allwinner R40 and Bananapi board
 * hw/arm: Add watchdog timer to Allwinner H40 and Bananapi board
 * arm: various include header cleanups
 * cleanups to allow some files to be built only once
 * fsl-imx6ul: Add various missing unimplemented devices
 * docs/system/arm/virt.rst: Add note on CPU features off by default
 * hw/char/imx_serial: Implement receive FIFO and ageing timer
 * target/xtensa: fix OOB TLB entry access
 * bswap.h: Fix const_le64() macro
 * hw/arm: add PCIe to Freescale i.MX6

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# gpg: Signature made Fri 26 Jan 2024 14:32:59 GMT
# gpg:                using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# gpg:                 aka "Peter Maydell <peter@archaic.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* tag 'pull-target-arm-20240126' of https://git.linaro.org/people/pmaydell/qemu-arm: (36 commits)
  hw/arm: add PCIe to Freescale i.MX6
  target/arm: Fix incorrect aa64_tidcp1 feature check
  bswap.h: Fix const_le64() macro
  target/arm: Fix A64 scalar SQSHRN and SQRSHRN
  hw/char/imx_serial: Implement receive FIFO and ageing timer
  docs/system/arm/virt.rst: Add note on CPU features off by default
  fsl-imx6ul: Add various missing unimplemented devices
  hw/arm: Build various units only once
  target/arm: Move GTimer definitions to new 'gtimer.h' header
  target/arm: Move e2h_access() helper around
  target/arm: Move ARM_CPU_IRQ/FIQ definitions to 'cpu-qom.h' header
  hw/arm/armv7m: Make 'hw/intc/armv7m_nvic.h' a target agnostic header
  target/arm: Expose M-profile register bank index definitions
  hw/misc/xlnx-versal-crl: Build it only once
  hw/misc/xlnx-versal-crl: Include generic 'cpu-qom.h' instead of 'cpu.h'
  hw/cpu/a9mpcore: Build it only once
  target/arm: Declare ARM_CPU_TYPE_NAME/SUFFIX in 'cpu-qom.h'
  target/arm: Expose arm_cpu_mp_affinity() in 'multiprocessing.h' header
  target/arm: Create arm_cpu_mp_affinity
  target/arm: Rename arm_cpu_mp_affinity
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-01-26 18:16:35 +00:00
Peter Maydell
b9c4a2018a Block layer patches
- virtio-blk: Multiqueue fixes and cleanups
 - blklogwrites: Fixes for write_zeroes and superblock update races
 - commit/stream: Allow users to request only format driver names in
   backing file format
 - monitor: only run coroutine commands in qemu_aio_context
 - Some iotest fixes
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Merge tag 'for-upstream' of https://repo.or.cz/qemu/kevin into staging

Block layer patches

- virtio-blk: Multiqueue fixes and cleanups
- blklogwrites: Fixes for write_zeroes and superblock update races
- commit/stream: Allow users to request only format driver names in
  backing file format
- monitor: only run coroutine commands in qemu_aio_context
- Some iotest fixes

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# gpg:                issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
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* tag 'for-upstream' of https://repo.or.cz/qemu/kevin:
  iotests/277: Use iotests.sock_dir for socket creation
  iotests/iothreads-stream: Use the right TimeoutError
  tests/unit: Bump test-replication timeout to 60 seconds
  iotests/264: Use iotests.sock_dir for socket creation
  block/blklogwrites: Protect mutable driver state with a mutex.
  virtio-blk: always set ioeventfd during startup
  virtio-blk: tolerate failure to set BlockBackend AioContext
  virtio-blk: restart s->rq reqs in vq AioContexts
  virtio-blk: rename dataplane to ioeventfd
  virtio-blk: rename dataplane create/destroy functions
  virtio-blk: move dataplane code into virtio-blk.c
  monitor: only run coroutine commands in qemu_aio_context
  iotests: port 141 to Python for reliable QMP testing
  iotests: add filter_qmp_generated_node_ids()
  stream: Allow users to request only format driver names in backing file format
  commit: Allow users to request only format driver names in backing file format
  string-output-visitor: Fix (pseudo) struct handling
  block/blklogwrites: Fix a bug when logging "write zeroes" operations.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-01-26 13:10:31 +00:00
Nikita Ostrenkov
5e6be95ed1 hw/arm: add PCIe to Freescale i.MX6
Signed-off-by: Nikita Ostrenkov <n.ostrenkov@gmail.com>
Message-id: 20240108140325.1291-1-n.ostrenkov@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-01-26 12:23:04 +00:00
Peter Maydell
ee0a2e3c9d target/arm: Fix incorrect aa64_tidcp1 feature check
A typo in the implementation of isar_feature_aa64_tidcp1() means we
were checking the field in the wrong ID register, so we might have
provided the feature on CPUs that don't have it and not provided
it on CPUs that should have it. Correct this bug.

Cc: qemu-stable@nongnu.org
Fixes: 9cd0c0dec9 "target/arm: Implement FEAT_TIDCP1"
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2120
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240123160333.958841-1-peter.maydell@linaro.org
2024-01-26 12:20:03 +00:00
Peter Maydell
18281b2578 bswap.h: Fix const_le64() macro
The const_le64() macro introduced in commit 845d80a8c7 turns out
to have a bug which means that on big-endian systems the compiler
complains if the argument isn't already a 64-bit type. This hasn't
caused a problem yet, because there are no in-tree uses, but it
means it's not possible for anybody to add one without it failing CI.

This example is from an attempted use of it with the argument '0',
from the s390 CI runner's gcc:

../block/blklogwrites.c: In function ‘blk_log_writes_co_do_log’:
../include/qemu/bswap.h:148:36: error: left shift count >= width of
type [-Werror=shift-count-overflow]
148 | ((((_x) & 0x00000000000000ffU) << 56) | \
| ^~
../block/blklogwrites.c:409:27: note: in expansion of macro ‘const_le64’
409 | .nr_entries = const_le64(0),
| ^~~~~~~~~~
../include/qemu/bswap.h:149:36: error: left shift count >= width of
type [-Werror=shift-count-overflow]
149 | (((_x) & 0x000000000000ff00U) << 40) | \
| ^~
../block/blklogwrites.c:409:27: note: in expansion of macro ‘const_le64’
409 | .nr_entries = const_le64(0),
| ^~~~~~~~~~
cc1: all warnings being treated as errors

Fix this by making all the constants in the macro have the ULL
suffix.  This will cause them all to be 64-bit integers, which means
the result of the logical & will also be an unsigned 64-bit type,
even if the input to the macro is a smaller type, and so the shifts
will be in range.

Fixes: 845d80a8c7 ("qemu/bswap: Add const_le64()")
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Message-id: 20240122173735.472951-1-peter.maydell@linaro.org
2024-01-26 12:19:35 +00:00
Peter Maydell
6fffc83785 target/arm: Fix A64 scalar SQSHRN and SQRSHRN
In commit 1b7bc9b5c8 we changed handle_vec_simd_sqshrn() so
that instead of starting with a 0 value and depositing in each new
element from the narrowing operation, it instead started with the raw
result of the narrowing operation of the first element.

This is fine in the vector case, because the deposit operations for
the second and subsequent elements will always overwrite any higher
bits that might have been in the first element's result value in
tcg_rd.  However in the scalar case we only go through this loop
once.  The effect is that for a signed narrowing operation, if the
result is negative then we will now return a value where the bits
above the first element are incorrectly 1 (because the narrowfn
returns a sign-extended result, not one that is truncated to the
element size).

Fix this by using an extract operation to get exactly the correct
bits of the output of the narrowfn for element 1, instead of a
plain move.

Cc: qemu-stable@nongnu.org
Fixes: 1b7bc9b5c8 ("target/arm: Avoid tcg_const_ptr in handle_vec_simd_sqshrn")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2089
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240123153416.877308-1-peter.maydell@linaro.org
2024-01-26 12:19:11 +00:00
Rayhan Faizel
988f244297 hw/char/imx_serial: Implement receive FIFO and ageing timer
This patch implements a 32 half word FIFO as per imx serial device
specifications.  If a non empty FIFO is below the trigger level, an
ageing timer will tick for a duration of 8 characters.  On expiry,
AGTIM will be set triggering an interrupt.  AGTIM timer resets when
there is activity in the receive FIFO.

Otherwise, RRDY is set when trigger level is exceeded.  The receive
trigger level is 8 in newer kernel versions and 1 in older ones.

This change will break migration compatibility for the imx boards.

Signed-off-by: Rayhan Faizel <rayhan.faizel@gmail.com>
Message-id: 20240125151931.83494-1-rayhan.faizel@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: commit message tidyups]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-01-26 11:34:21 +00:00
Gustavo Romero
1acf215998 docs/system/arm/virt.rst: Add note on CPU features off by default
Add a note on CPU features that are off by default in `virt` machines.
Some CPU features will remain off even if a CPU-capable CPU (e.g.,
`-cpu max`) is selected because they require support in both the CPU
itself and in the wider system. Therefore, the user, besides selecting a
CPU that supports such features, must also turn on the feature using a
machine option.

Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Message-id: 20240122211215.95073-1-gustavo.romero@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-01-26 11:30:49 +00:00
Guenter Roeck
b0d1021ed9 fsl-imx6ul: Add various missing unimplemented devices
Add MMDC, OCOTP, SQPI, CAAM, and USBMISC as unimplemented devices.

This allows operating systems such as Linux to run emulations such as
mcimx6ul-evk.

Before commit 0cd4926b85 ("Refactor i.MX6UL processor code"), the affected
memory ranges were covered by the unimplemented DAP device. The commit
reduced the DAP address range from 0x100000 to 4kB, and the emulation
thus no longer covered the various unimplemented devices in the affected
address range.

Fixes: 0cd4926b85 ("Refactor i.MX6UL processor code")
Cc: Jean-Christophe Dubois <jcd@tribudubois.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240120005356.2599547-1-linux@roeck-us.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-01-26 11:30:49 +00:00
Philippe Mathieu-Daudé
9404dcdeaa hw/arm: Build various units only once
Various files in hw/arm/ don't require "cpu.h" anymore.
Except virt-acpi-build.c, all of them don't require any
ARM specific knowledge anymore and can be build once as
target agnostic units. Update meson accordingly.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240118200643.29037-21-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-01-26 11:30:49 +00:00
Philippe Mathieu-Daudé
f4f318b41a target/arm: Move GTimer definitions to new 'gtimer.h' header
Move Arm A-class Generic Timer definitions to the new
"target/arm/gtimer.h" header so units in hw/ which don't
need access to ARMCPU internals can use them without
having to include the huge "cpu.h".

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240118200643.29037-20-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-01-26 11:30:49 +00:00
Philippe Mathieu-Daudé
32b3a0c900 target/arm: Move e2h_access() helper around
e2h_access() was added in commit bb5972e439 ("target/arm:
Add VHE timer register redirection and aliasing") close to
the generic_timer_cp_reginfo[] array, but isn't used until
vhe_reginfo[] definition. Move it closer to the other e2h
helpers.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240118200643.29037-19-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-01-26 11:30:49 +00:00
Philippe Mathieu-Daudé
d780d056f8 target/arm: Move ARM_CPU_IRQ/FIQ definitions to 'cpu-qom.h' header
The ARM_CPU_IRQ/FIQ definitions are used to index the GPIO
IRQ created calling qdev_init_gpio_in() in ARMCPU instance_init()
handler. To allow non-ARM code to raise interrupt on ARM cores,
move they to 'target/arm/cpu-qom.h' which is non-ARM specific and
can be included by any hw/ file.

File list to include the new header generated using:

  $ git grep -wEl 'ARM_CPU_(\w*IRQ|FIQ)'

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240118200643.29037-18-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-01-26 11:30:49 +00:00
Philippe Mathieu-Daudé
9ab1cf6558 hw/arm/armv7m: Make 'hw/intc/armv7m_nvic.h' a target agnostic header
Now than we can access the M-profile bank index
definitions from the target-agnostic "cpu-qom.h"
header, we don't need the huge "cpu.h" anymore
(except in hw/arm/armv7m.c). Reduce its inclusion
to the source unit.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240118200643.29037-17-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-01-26 11:30:49 +00:00
Philippe Mathieu-Daudé
22036ae577 target/arm: Expose M-profile register bank index definitions
The ARMv7M QDev container accesses the QDev SysTickState
by its secure/non-secure bank index. In order to make
the "hw/intc/armv7m_nvic.h" header target-agnostic in
the next commit, first move the M-profile bank index
definitions to "target/arm/cpu-qom.h".

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240118200643.29037-16-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-01-26 11:30:49 +00:00
Philippe Mathieu-Daudé
3e283646e7 hw/misc/xlnx-versal-crl: Build it only once
hw/misc/xlnx-versal-crl.c doesn't require "cpu.h"
anymore.  By removing it, the unit become target
agnostic: we can build it once. Update meson.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240118200643.29037-15-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-01-26 11:30:49 +00:00
Philippe Mathieu-Daudé
8b2c5fb7c7 hw/misc/xlnx-versal-crl: Include generic 'cpu-qom.h' instead of 'cpu.h'
"target/arm/cpu.h" is target specific, any file including it
becomes target specific too, thus this is the same for any file
including "hw/misc/xlnx-versal-crl.h".

"hw/misc/xlnx-versal-crl.h" doesn't require any target specific
definition however, only the target-agnostic QOM definitions
from "target/arm/cpu-qom.h". Include the latter header to avoid
tainting unnecessary objects as target-specific.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240118200643.29037-14-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-01-26 11:30:48 +00:00
Philippe Mathieu-Daudé
3896b6ffff hw/cpu/a9mpcore: Build it only once
hw/cpu/a9mpcore.c doesn't require "cpu.h" anymore.
By removing it, the unit become target agnostic:
we can build it once. Update meson.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240118200643.29037-13-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-01-26 11:30:48 +00:00
Philippe Mathieu-Daudé
9ab3ac5ab6 target/arm: Declare ARM_CPU_TYPE_NAME/SUFFIX in 'cpu-qom.h'
Missed in commit 2d56be5a29 ("target: Declare
FOO_CPU_TYPE_NAME/SUFFIX in 'cpu-qom.h'"). See
it for more details.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240118200643.29037-12-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-01-26 11:30:48 +00:00
Philippe Mathieu-Daudé
e2d8cf9b53 target/arm: Expose arm_cpu_mp_affinity() in 'multiprocessing.h' header
Declare arm_cpu_mp_affinity() prototype in the new
 "target/arm/multiprocessing.h" header so units in
hw/arm/ can use it without having to include the huge
target-specific "cpu.h".

File list to include the new header generated using:

  $ git grep -lw arm_cpu_mp_affinity

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240118200643.29037-11-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-01-26 11:30:48 +00:00
Richard Henderson
c4380f7bcd target/arm: Create arm_cpu_mp_affinity
Wrapper to return the mp affinity bits from the cpu.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240118200643.29037-10-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-01-26 11:30:48 +00:00
Richard Henderson
750245ed7c target/arm: Rename arm_cpu_mp_affinity
Rename to arm_build_mp_affinity.  This frees up the name for
other usage, and emphasizes that the cpu object is not involved.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240118200643.29037-9-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-01-26 11:30:48 +00:00