Commit Graph

115258 Commits

Author SHA1 Message Date
Akihiko Odaki
f8e09b973a vhost: Add VIRTIO_NET_F_RSC_EXT to vhost feature bits
VIRTIO_NET_F_RSC_EXT is implemented in the rx data path, which vhost
implements, so vhost needs to support the feature if it is ever to be
enabled with vhost. The feature must be disabled otherwise.

Fixes: 2974e916df ("virtio-net: support RSC v4/v6 tcp traffic for Windows HCK")
Reported-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-Id: <20240802-rsc-v1-1-2b607bd2f555@daynix.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2024-08-20 06:57:47 -04:00
Richard Henderson
76277cf82f Various fixes
- Null pointer dereference in IPI IOCSR (Jiaxun)
 - Correct '-smbios type=4' in man page (Heinrich)
 - Use correct MMU index in MIPS get_pte (Phil)
 - Reset MPQEMU remote message using device_cold_reset (Peter)
 - Update linux-user MIPS CPU list (Phil)
 - Do not let exec_command read console if no pattern to wait for (Nick)
 - Remove shadowed declaration warning (Pierrick)
 - Restrict STQF opcode to SPARC V9 (Richard)
 - Add missing Kconfig dependency for POWERNV ISA serial port (Bernhard)
 - Do not allow vmport device without i8042 PS/2 controller (Kamil)
 - Fix QCryptoTLSCredsPSK leak (Peter)
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Merge tag 'hw-misc-20240820' of https://github.com/philmd/qemu into staging

Various fixes

- Null pointer dereference in IPI IOCSR (Jiaxun)
- Correct '-smbios type=4' in man page (Heinrich)
- Use correct MMU index in MIPS get_pte (Phil)
- Reset MPQEMU remote message using device_cold_reset (Peter)
- Update linux-user MIPS CPU list (Phil)
- Do not let exec_command read console if no pattern to wait for (Nick)
- Remove shadowed declaration warning (Pierrick)
- Restrict STQF opcode to SPARC V9 (Richard)
- Add missing Kconfig dependency for POWERNV ISA serial port (Bernhard)
- Do not allow vmport device without i8042 PS/2 controller (Kamil)
- Fix QCryptoTLSCredsPSK leak (Peter)

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# gpg: Signature made Tue 20 Aug 2024 08:49:47 AM AEST
# gpg:                using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]

* tag 'hw-misc-20240820' of https://github.com/philmd/qemu:
  crypto/tlscredspsk: Free username on finalize
  hw/i386/pc: Ensure vmport prerequisites are fulfilled
  hw/i386/pc: Unify vmport=auto handling
  hw/ppc/Kconfig: Add missing SERIAL_ISA dependency to POWERNV machine
  target/sparc: Restrict STQF to sparcv9
  contrib/plugins/execlog: Fix shadowed declaration warning
  tests/avocado: Mark ppc_hv_tests.py as non-flaky after fixed console interaction
  tests/avocado: exec_command should not consume console output
  linux-user/mips: Select Loongson CPU for Loongson binaries
  linux-user/mips: Select MIPS64R2-generic for Rel2 binaries
  linux-user/mips: Select Octeon68XX CPU for Octeon binaries
  linux-user/mips: Do not try to use removed R5900 CPU
  hw/remote/message.c: Don't directly invoke DeviceClass:reset
  hw/dma/xilinx_axidma: Use semicolon at end of statement, not comma
  target/mips: Load PTE as DATA
  target/mips: Use correct MMU index in get_pte()
  target/mips: Pass page table entry size as MemOp to get_pte()
  qemu-options.hx: correct formatting -smbios type=4
  hw/mips/loongson3_virt: Fix condition of IPI IOCSR connection
  hw/mips/loongson3_virt: Store core_iocsr into LoongsonMachineState

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-08-20 09:17:41 +10:00
Peter Maydell
87e012f29f crypto/tlscredspsk: Free username on finalize
When the creds->username property is set we allocate memory
for it in qcrypto_tls_creds_psk_prop_set_username(), but
we never free this when the QCryptoTLSCredsPSK is destroyed.
Free the memory in finalize.

This fixes a LeakSanitizer complaint in migration-test:

$ (cd build/asan; ASAN_OPTIONS="fast_unwind_on_malloc=0" QTEST_QEMU_BINARY=./qemu-system-x86_64 ./tests/qtest/migration-test --tap -k -p /x86_64/migration/precopy/unix/tls/psk)

=================================================================
==3867512==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 5 byte(s) in 1 object(s) allocated from:
    #0 0x5624e5c99dee in malloc (/mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/qemu-system-x86_64+0x218edee) (BuildId: a9e623fa1009a9435c0142c037cd7b8c1ad04ce3)
    #1 0x7fb199ae9738 in g_malloc debian/build/deb/../../../glib/gmem.c:128:13
    #2 0x7fb199afe583 in g_strdup debian/build/deb/../../../glib/gstrfuncs.c:361:17
    #3 0x5624e82ea919 in qcrypto_tls_creds_psk_prop_set_username /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/../../crypto/tlscredspsk.c:255:23
    #4 0x5624e812c6b5 in property_set_str /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/../../qom/object.c:2277:5
    #5 0x5624e8125ce5 in object_property_set /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/../../qom/object.c:1463:5
    #6 0x5624e8136e7c in object_set_properties_from_qdict /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/../../qom/object_interfaces.c:55:14
    #7 0x5624e81372d2 in user_creatable_add_type /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/../../qom/object_interfaces.c:112:5
    #8 0x5624e8137964 in user_creatable_add_qapi /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/../../qom/object_interfaces.c:157:11
    #9 0x5624e891ba3c in qmp_object_add /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/../../qom/qom-qmp-cmds.c:227:5
    #10 0x5624e8af9118 in qmp_marshal_object_add /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/qapi/qapi-commands-qom.c:337:5
    #11 0x5624e8bd1d49 in do_qmp_dispatch_bh /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/../../qapi/qmp-dispatch.c:128:5
    #12 0x5624e8cb2531 in aio_bh_call /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/../../util/async.c:171:5
    #13 0x5624e8cb340c in aio_bh_poll /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/../../util/async.c:218:13
    #14 0x5624e8c0be98 in aio_dispatch /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/../../util/aio-posix.c:423:5
    #15 0x5624e8cba3ce in aio_ctx_dispatch /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/../../util/async.c:360:5
    #16 0x7fb199ae0d3a in g_main_dispatch debian/build/deb/../../../glib/gmain.c:3419:28
    #17 0x7fb199ae0d3a in g_main_context_dispatch debian/build/deb/../../../glib/gmain.c:4137:7
    #18 0x5624e8cbe1d9 in glib_pollfds_poll /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/../../util/main-loop.c:287:9
    #19 0x5624e8cbcb13 in os_host_main_loop_wait /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/../../util/main-loop.c:310:5
    #20 0x5624e8cbc6dc in main_loop_wait /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/../../util/main-loop.c:589:11
    #21 0x5624e6f3f917 in qemu_main_loop /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/../../system/runstate.c:801:9
    #22 0x5624e893379c in qemu_default_main /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/../../system/main.c:37:14
    #23 0x5624e89337e7 in main /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/../../system/main.c:48:12
    #24 0x7fb197972d8f in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
    #25 0x7fb197972e3f in __libc_start_main csu/../csu/libc-start.c:392:3
    #26 0x5624e5c16fa4 in _start (/mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/qemu-system-x86_64+0x210bfa4) (BuildId: a9e623fa1009a9435c0142c037cd7b8c1ad04ce3)

SUMMARY: AddressSanitizer: 5 byte(s) leaked in 1 allocation(s).

Cc: qemu-stable@nongnu.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20240819145021.38524-1-peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-08-20 00:49:14 +02:00
Kamil Szczęk
702cbdc46b hw/i386/pc: Ensure vmport prerequisites are fulfilled
Since commit 4ccd5fe22f ('pc: add option
to disable PS/2 mouse/keyboard'), the vmport will not be created unless
the i8042 PS/2 controller is enabled. To avoid confusion, let's fail if
vmport was explicitly requested, but the i8042 controller is disabled.
This also changes the behavior of vmport=auto to take i8042 controller
availability into account.

Signed-off-by: Kamil Szczęk <kamil@szczek.dev>
Reviewed-by: Bernhard Beschow <shentey@gmail.com>
Message-ID: <0MS3y5E-hHqODIhiuFxmCnIrXd612JIGq31UuMsz4KGCKZ_wWuF-PHGKTRSGS0nWaPEddOdF4YOczHdgorulECPo792OhWov7O9BBF6UMX4=@szczek.dev>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-08-20 00:49:14 +02:00
Kamil Szczęk
c911f875f8 hw/i386/pc: Unify vmport=auto handling
The code which translates vmport=auto to on/off is currently separate
for each PC machine variant, while being functionally equivalent.
This moves the translation into a shared initialization function, while
also tightening the enum assertion.

Signed-off-by: Kamil Szczęk <kamil@szczek.dev>
Reviewed-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <v8pz1uwgIYWkidgZK-o8H-qJvnSyl0641XVmNO43Qls307AA3QRPuad_py6xGe0JAxB6yDEe76oZ8tau_n-2Y6sJBCKzCujNbEUUFhd-ahI=@szczek.dev>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-08-20 00:49:14 +02:00
Bernhard Beschow
6373fc0323 hw/ppc/Kconfig: Add missing SERIAL_ISA dependency to POWERNV machine
The machine calls serial_hds_isa_init() which is provided by serial-isa.c,
guarded by SERIAL_ISA.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240814181534.218964-4-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-08-20 00:49:14 +02:00
Richard Henderson
12d36294a2 target/sparc: Restrict STQF to sparcv9
Prior to sparcv9, the same encoding was STDFQ.

Cc: qemu-stable@nongnu.org
Fixes: 06c060d9e5 ("target/sparc: Move simple fp load/store to decodetree")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240816072311.353234-2-richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-08-20 00:49:14 +02:00
Pierrick Bouvier
47f06fb4c8 contrib/plugins/execlog: Fix shadowed declaration warning
Found on debian stable.

../contrib/plugins/execlog.c: In function ‘vcpu_tb_trans’:
../contrib/plugins/execlog.c:236:22: error: declaration of ‘n’ shadows a previous local [-Werror=shadow=local]
  236 |             for (int n = 0; n < all_reg_names->len; n++) {
      |                      ^
../contrib/plugins/execlog.c:184:12: note: shadowed declaration is here
  184 |     size_t n = qemu_plugin_tb_n_insns(tb);
      |

Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240814233645.944327-2-pierrick.bouvier@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-08-20 00:49:14 +02:00
Nicholas Piggin
8e540bbe45 tests/avocado: Mark ppc_hv_tests.py as non-flaky after fixed console interaction
Now that exec_command doesn't incorrectly consume console output,
and guest time is set correctly, ppc_hv_tests.py is working more
reliably. Try marking it non-flaky.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-ID: <20240805232814.267843-3-npiggin@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-08-20 00:49:14 +02:00
Nicholas Piggin
4a85f23157 tests/avocado: exec_command should not consume console output
_console_interaction reads data from the console even when there is only
an input string to send, and no output data to wait on. This can cause
lines to be missed by wait_for_console_pattern calls that follows an
exec_command. Fix this by not reading the console if there is no pattern
to wait for.

This solves occasional hangs in ppc_hv_tests.py, usually when run on KVM
hosts that are fast enough to output important lines quickly enough to be
consumed by exec_command, so they get missed by subsequent wait for
pattern calls.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240805232814.267843-2-npiggin@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-08-20 00:49:13 +02:00
Philippe Mathieu-Daudé
e922abf5c0 linux-user/mips: Select Loongson CPU for Loongson binaries
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240814133928.6746-5-philmd@linaro.org>
2024-08-20 00:49:13 +02:00
Philippe Mathieu-Daudé
309ce6af94 linux-user/mips: Select MIPS64R2-generic for Rel2 binaries
Cc: YunQiang Su <syq@debian.org>
Reported-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240814133928.6746-4-philmd@linaro.org>
2024-08-20 00:49:13 +02:00
Philippe Mathieu-Daudé
1e5a7c57a5 linux-user/mips: Select Octeon68XX CPU for Octeon binaries
The Octeon68XX CPU is available since commit 9a6046a655
("target/mips: introduce Cavium Octeon CPU model").

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1722
Reported-by: Johnathan Hữu Trí <nhtri2003@gmail.com>
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: <20240814133928.6746-3-philmd@linaro.org>
2024-08-20 00:49:05 +02:00
Philippe Mathieu-Daudé
f7e3d7521b linux-user/mips: Do not try to use removed R5900 CPU
R5900 emulation was removed in commit 823f2897bd.
Remove it from ELF parsing in order to avoid:

  $ qemu-mipsn32 ./test5900
  qemu-mipsn32: unable to find CPU model 'R5900'

This reverts commit 4d9e5a0eb7.

Fixes: 823f2897bd ("target/mips: Disable R5900 support")
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240814133928.6746-2-philmd@linaro.org>
2024-08-20 00:47:57 +02:00
Peter Maydell
7d3a421fea hw/remote/message.c: Don't directly invoke DeviceClass:reset
Directly invoking the DeviceClass::reset method is a bad idea,
because if the device is using three-phase reset then it relies on
transitional reset machinery which is likely to disappear at some
point.

Reset the device in the standard way, by calling device_cold_reset().

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240813165250.2717650-7-peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-08-20 00:38:48 +02:00
Peter Maydell
dfad8421af hw/dma/xilinx_axidma: Use semicolon at end of statement, not comma
In axidma_class_init() we accidentally used a comma at the end of
a statement rather than a semicolon. This has no ill effects, but
it's obviously not intended and it means that Coccinelle scripts
for instance will fail to match on the two statements. Use a
semicolon instead.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240813165250.2717650-6-peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-08-20 00:38:48 +02:00
Philippe Mathieu-Daudé
44017c6655 target/mips: Load PTE as DATA
PTE is not CODE so load it as normal DATA access.

Fixes: 074cfcb4da ("Implement hardware page table walker for MIPS32")
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: <20240814090452.2591-4-philmd@linaro.org>
2024-08-20 00:38:48 +02:00
Philippe Mathieu-Daudé
7ce9760d64 target/mips: Use correct MMU index in get_pte()
When refactoring page_table_walk_refill() in commit 4e999bf419
we missed the indirect call to cpu_mmu_index() in get_pte():

  page_table_walk_refill()
  -> get_pte()
     -> cpu_ld[lq]_code()
        -> cpu_mmu_index()

Since we don't mask anymore the modes in hflags, cpu_mmu_index()
can return UM or SM, while we only expect KM or ERL.

Fix by propagating ptw_mmu_idx to get_pte(), and use the
cpu_ld/st_code_mmu() API with the correct MemOpIdx.

Reported-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Reported-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2470
Fixes: 4e999bf419 ("target/mips: Pass ptw_mmu_idx down from mips_cpu_tlb_fill")
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20240814090452.2591-3-philmd@linaro.org>
2024-08-20 00:38:48 +02:00
Philippe Mathieu-Daudé
453ba4f675 target/mips: Pass page table entry size as MemOp to get_pte()
In order to simplify the next commit, pass the PTE size as MemOp.

Rename:

  native_shift -> native_op
  directory_shift -> directory_mop
  leaf_shift -> leaf_mop

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240814090452.2591-2-philmd@linaro.org>
2024-08-20 00:38:48 +02:00
Heinrich Schuchardt
68baeaafa5 qemu-options.hx: correct formatting -smbios type=4
processor-family and processor-id can be assigned independently.

Add missing brackets.

Fixes: b5831d7967 ("smbios: add processor-family option")
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240729204816.11905-1-heinrich.schuchardt@canonical.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-08-20 00:28:24 +02:00
Jiaxun Yang
ec276edb38 hw/mips/loongson3_virt: Fix condition of IPI IOCSR connection
>>>     CID 1547264:  Null pointer dereferences  (REVERSE_INULL)
>>>     Null-checking "ipi" suggests that it may be null, but it has already been dereferenced on all paths leading to the check.

Resolves: Coverity CID 1547264
Link: https://lore.kernel.org/qemu-devel/752417ad-ab72-4fed-8d1f-af41f15bc225@app.fastmail.com/
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240621-loongson3-ipi-follow-v2-2-848eafcbb67e@flygoat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-08-20 00:28:24 +02:00
Jiaxun Yang
d762016d51 hw/mips/loongson3_virt: Store core_iocsr into LoongsonMachineState
Link: https://lore.kernel.org/qemu-devel/972034d6-23b3-415a-b401-b8bc1cc515c9@linaro.org/
Suggested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240621-loongson3-ipi-follow-v2-1-848eafcbb67e@flygoat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-08-20 00:28:24 +02:00
Richard Henderson
48e4ba59a3 RISC-V PR for 9.1
This reverts a commit adding `#msi-cells=<0>` to the virt machine
 as that commit results in PCI devices unable to us MSIs. Even though
 it's a kernel bug, we don't want to break existing users.
 
 * Revert adding #msi-cells to virt machine
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Merge tag 'pull-riscv-to-apply-20240819-1' of https://github.com/alistair23/qemu into staging

RISC-V PR for 9.1

This reverts a commit adding `#msi-cells=<0>` to the virt machine
as that commit results in PCI devices unable to us MSIs. Even though
it's a kernel bug, we don't want to break existing users.

* Revert adding #msi-cells to virt machine

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* tag 'pull-riscv-to-apply-20240819-1' of https://github.com/alistair23/qemu:
  Revert "hw/riscv/virt.c: imsics DT: add '#msi-cells'"

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-08-19 14:55:23 +10:00
Andrew Jones
6df664f87c Revert "hw/riscv/virt.c: imsics DT: add '#msi-cells'"
This reverts commit f42cdf2ea5.

Linux does not properly handle '#msi-cells=<0>' when searching for
MSI controllers for PCI devices which results in the devices being
unable to use MSIs. A patch for Linux has been sent[1] but until it,
or something like it, is merged and in distro kernels we should stop
adding the property. It's harmless to stop adding it since the
absence of the property and a value of zero for the property mean
the same thing according to the DT binding definition.

Link: https://lore.kernel.org/all/20240816124957.130017-2-ajones@ventanamicro.com/ # 1
Signed-off-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20240816160743.220374-5-ajones@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2024-08-19 14:34:49 +10:00
Richard Henderson
2eefd4fcec Some fixes for 9.1-rc3 (build, replay, docs, plugins)
- re-enable gdbsim-r5f562n8 test
   - ensure updates to python deps re-trigger configure
   - tweak configure detection of GDB MTE support
   - make checkpatch emit more warnings on updating headers
   - allow i386 access_ptr to force slow path for plugins
   - fixe some replay regressions
   - update the replay-dump tool
   - better handle muxed chardev during replay
   - clean up TCG plugins docs to mention scoreboards
   - fix plugin scoreboard race condition
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Merge tag 'pull-maintainer-9.1-rc3-160824-1' of https://gitlab.com/stsquad/qemu into staging

Some fixes for 9.1-rc3 (build, replay, docs, plugins)

  - re-enable gdbsim-r5f562n8 test
  - ensure updates to python deps re-trigger configure
  - tweak configure detection of GDB MTE support
  - make checkpatch emit more warnings on updating headers
  - allow i386 access_ptr to force slow path for plugins
  - fixe some replay regressions
  - update the replay-dump tool
  - better handle muxed chardev during replay
  - clean up TCG plugins docs to mention scoreboards
  - fix plugin scoreboard race condition

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# gpg: Signature made Fri 16 Aug 2024 11:13:59 PM AEST
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# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]

* tag 'pull-maintainer-9.1-rc3-160824-1' of https://gitlab.com/stsquad/qemu: (21 commits)
  plugins: fix race condition with scoreboards
  docs/devel: update tcg-plugins page
  docs: Fix some typos (found by typos) and grammar issues
  savevm: Fix load_snapshot error path crash
  virtio-net: Use virtual time for RSC timers
  virtio-net: Use replay_schedule_bh_event for bhs that affect machine state
  chardev: set record/replay on the base device of a muxed device
  tests/avocado: replay_kernel.py add x86-64 q35 machine test
  Revert "replay: stop us hanging in rr_wait_io_event"
  replay: allow runstate shutdown->running when replaying trace
  tests/avocado: excercise scripts/replay-dump.py in replay tests
  scripts/replay-dump.py: rejig decoders in event number order
  scripts/replay-dump.py: Update to current rr record format
  buildsys: Fix building without plugins on Darwin
  target/i386: allow access_ptr to force slow path on failed probe
  scripts/checkpatch: more checks on files imported from Linux
  configure: Fix GDB version detection for GDB_HAS_MTE
  configure: Avoid use of param. expansion when using gdb_version
  configure: Fix arch detection for GDB_HAS_MTE
  Makefile: trigger re-configure on updated pythondeps
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-08-17 16:46:45 +10:00
Pierrick Bouvier
278035fc81 plugins: fix race condition with scoreboards
A deadlock can be created if a new vcpu (a) triggers a scoreboard
reallocation, and another vcpu (b) wants to create a new scoreboard at
the same time.

In this case, (a) holds the plugin lock, and starts an exclusive
section, waiting for (b). But at the same time, (b) is waiting for
plugin lock.

The solution is to drop the lock before entering the exclusive section.

This bug can be easily reproduced by creating a callback for any tb
exec, that allocates a new scoreboard. In this case, as soon as we reach
more than 16 vcpus, the deadlock occurs.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2344
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240812220748.95167-2-pierrick.bouvier@linaro.org>
[AJB: tweak var position to meet coding style]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240813202329.1237572-22-alex.bennee@linaro.org>
2024-08-16 14:13:07 +01:00
Pierrick Bouvier
3f9f9a37ae docs/devel: update tcg-plugins page
Reflect recent changes on API (inline ops) and new plugins.

Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240812231945.169310-1-pierrick.bouvier@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240813202329.1237572-21-alex.bennee@linaro.org>
2024-08-16 14:13:07 +01:00
Stefan Weil
24c32ed374 docs: Fix some typos (found by typos) and grammar issues
Fix the misspellings of "overriden" also in code comments.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20240813125638.395461-1-sw@weilnetz.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240813202329.1237572-20-alex.bennee@linaro.org>
2024-08-16 14:12:59 +01:00
Nicholas Piggin
97d2b66dcd savevm: Fix load_snapshot error path crash
An error path missed setting *errp, which can cause a NULL deref.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20240813050638.446172-11-npiggin@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240813202329.1237572-19-alex.bennee@linaro.org>
2024-08-16 14:04:19 +01:00
Nicholas Piggin
44bc14fa1e virtio-net: Use virtual time for RSC timers
Receive coalescing is visible to the target machine, so its timers
should use virtual time like other timers in virtio-net, to be
compatible with record-replay.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20240813050638.446172-10-npiggin@gmail.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240813202329.1237572-18-alex.bennee@linaro.org>
2024-08-16 14:04:19 +01:00
Nicholas Piggin
a0bf401b8e virtio-net: Use replay_schedule_bh_event for bhs that affect machine state
The regular qemu_bh_schedule() calls result in non-deterministic
execution of the bh in record-replay mode, which causes replay failure.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20240813050638.446172-9-npiggin@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240813202329.1237572-17-alex.bennee@linaro.org>
2024-08-16 14:04:19 +01:00
Nicholas Piggin
4c193bb129 chardev: set record/replay on the base device of a muxed device
chardev events to a muxed device don't get recorded because e.g.,
qemu_chr_be_write() checks whether the base device has the record flag
set.

This can be seen when replaying a trace that has characters typed into
the console, an examination of the log shows they are not recorded.

Setting QEMU_CHAR_FEATURE_REPLAY on the base chardev fixes the problem.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20240813050638.446172-8-npiggin@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240813202329.1237572-16-alex.bennee@linaro.org>
2024-08-16 14:04:19 +01:00
Nicholas Piggin
253ec604a8 tests/avocado: replay_kernel.py add x86-64 q35 machine test
The x86-64 pc machine is flaky with record/replay, but q35 is more
stable. Add a q35 test to replay_kernel.py.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20240813050638.446172-7-npiggin@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240813202329.1237572-15-alex.bennee@linaro.org>
2024-08-16 14:04:19 +01:00
Nicholas Piggin
94962ff00d Revert "replay: stop us hanging in rr_wait_io_event"
This reverts commit 1f881ea4a4.

That commit causes reverse_debugging.py test failures, and does
not seem to solve the root cause of the problem x86-64 still
hangs in record/replay tests.

The problem with short-cutting the iowait that was taken during
record phase is that related events will not get consumed at the
same points (e.g., reading the clock).

A hang with zero icount always seems to be a symptom of an earlier
problem that has caused the recording to become out of synch with
the execution and consumption of events by replay.

Acked-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20240813050638.446172-6-npiggin@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240813202329.1237572-14-alex.bennee@linaro.org>
2024-08-16 14:04:19 +01:00
Nicholas Piggin
9dbab31d9e replay: allow runstate shutdown->running when replaying trace
When replaying a trace, it is possible to go from shutdown to running
with a reverse-debugging step. This can be useful if the problem being
debugged triggers a reset or shutdown.

This can be tested by making a recording of a machine that shuts down,
then using -action shutdown=pause when replaying it. Continuing to the
end of the trace then reverse-stepping in gdb crashes due to invalid
runstate transition.

Just permitting the transition seems to be all that's necessary for
reverse-debugging to work well in such a state.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20240813050638.446172-5-npiggin@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240813202329.1237572-13-alex.bennee@linaro.org>
2024-08-16 14:04:19 +01:00
Nicholas Piggin
4926b6e644 tests/avocado: excercise scripts/replay-dump.py in replay tests
This runs replay-dump.py after recording a trace, and fails the test if
the script fails.

replay-dump.py is modified to exit with non-zero if an error is
encountered while parsing, to support this.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>

gitlab with this change

v5: Update timeout to 180s because x86 was just exceeding 120s in
Message-Id: <20240813050638.446172-4-npiggin@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240813202329.1237572-12-alex.bennee@linaro.org>
2024-08-16 14:04:19 +01:00
Nicholas Piggin
01a385fb49 scripts/replay-dump.py: rejig decoders in event number order
Sort decoder functions to be ascending in order of event number,
same as the decoder tables.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20240813050638.446172-3-npiggin@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240813202329.1237572-11-alex.bennee@linaro.org>
2024-08-16 14:04:19 +01:00
Nicholas Piggin
00140e79bb scripts/replay-dump.py: Update to current rr record format
The v12 format support for replay-dump has a few issues still. This
fixes async decoding; adds event, shutdown, and end decoding; fixes
audio in / out events, fixes checkpoint checking of following async
events.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20240813050638.446172-2-npiggin@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240813202329.1237572-10-alex.bennee@linaro.org>
2024-08-16 14:04:19 +01:00
Philippe Mathieu-Daudé
20fdd01e51 buildsys: Fix building without plugins on Darwin
Since commit 0082475e26 the plugin symbol list is unconditionally
added to the linker flags, leading to a build failure:

  Undefined symbols for architecture arm64:
    "_qemu_plugin_entry_code", referenced from:
        <initial-undefines>
  ...
  ld: symbol(s) not found for architecture arm64
  clang: error: linker command failed with exit code 1 (use -v to see invocation)
  ninja: build stopped: subcommand failed.

Fix by restricting the whole meson file to the --enable-plugins
configure argument.

Fixes: 0082475e26 ("meson: merge plugin_ldflags into emulator_link_args")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2476
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240813112457.92560-1-philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240813202329.1237572-9-alex.bennee@linaro.org>
2024-08-16 14:04:19 +01:00
Alex Bennée
cf584a908a target/i386: allow access_ptr to force slow path on failed probe
When we are using TCG plugin memory callbacks probe_access_internal
will return TLB_MMIO to force the slow path for memory access. This
results in probe_access returning NULL but the x86 access_ptr function
happily accepts an empty haddr resulting in segfault hilarity.

Check for an empty haddr to prevent the segfault and enable plugins to
track all the memory operations for the x86 save/restore helpers. As
we also want to run the slow path when instrumenting *-user we should
also not have the short cutting test_ptr macro.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2489
Fixes: 6d03226b42 (plugins: force slow path when plugins instrument memory ops)
Reviewed-by: Alexandre Iooss <erdnaxe@crans.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240813202329.1237572-8-alex.bennee@linaro.org>
2024-08-16 14:04:19 +01:00
Stefano Garzarella
503eb470e0 scripts/checkpatch: more checks on files imported from Linux
If a file imported from Linux is touched, emit a warning and suggest
using scripts/update-linux-headers.sh.

Also check that updating imported files from Linux are not mixed with
other changes, in which case emit an error.

Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20240718072050.9503-1-sgarzare@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240813202329.1237572-7-alex.bennee@linaro.org>
2024-08-16 14:04:19 +01:00
Gustavo Romero
5f9ad35e04 configure: Fix GDB version detection for GDB_HAS_MTE
The test gdbstub/test-mte.py requires a GDB version that supports the
qIsAddressTagged packet. According to GDB NEWS [0], this packet was
first made available in the GDB 15.1 release, not in 15.0, so this
commit fixes it in configure.

[0] https://www.sourceware.org/gdb/news/

Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2477
Message-Id: <20240804161850.2646299-4-gustavo.romero@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240813202329.1237572-6-alex.bennee@linaro.org>
2024-08-16 14:04:19 +01:00
Gustavo Romero
34a4ef1c5c configure: Avoid use of param. expansion when using gdb_version
$gdb_version is now used in more than one conditional case and its usage
in such cases may increase in the future. Therefore, avoid using shell
parameter expansion when using it by setting gdb_version to its final
form.

Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Message-Id: <20240804161850.2646299-3-gustavo.romero@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240813202329.1237572-5-alex.bennee@linaro.org>
2024-08-16 14:04:19 +01:00
Gustavo Romero
819039a5ad configure: Fix arch detection for GDB_HAS_MTE
GDB_HAS_MTE must only be set if GDB supports the aarch64 arch, so the
test if "aarch64" string is present must be against GDB-related
'$gdb_arches' variable and not against '$arch' variable.

Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Message-Id: <20240804161850.2646299-2-gustavo.romero@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240813202329.1237572-4-alex.bennee@linaro.org>
2024-08-16 14:04:19 +01:00
Alex Bennée
6fe12bc659 Makefile: trigger re-configure on updated pythondeps
If we add additional deps for meson we need to ensure we trigger a
reconfigure to make sure everything is set up.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240813202329.1237572-3-alex.bennee@linaro.org>
2024-08-16 14:04:19 +01:00
Philippe Mathieu-Daudé
8a69613e9c tests/avocado: Re-enable gdbsim-r5f562n8 testing U-Boot
We disabled all RX tests on commit 9b45cc9931 ("docs/devel:
rationalise unstable gitlab tests under FLAKY_TESTS") for
being flaky. However I don't recall the U-Boot test to fail
(the problematic line checking the 'version' string is already
commented out), and I'm running this test reliably, so re-enable
it.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Message-Id: <20240801172332.65701-1-philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240813202329.1237572-2-alex.bennee@linaro.org>
2024-08-16 14:04:19 +01:00
Richard Henderson
ecdfa31beb * Fix a potential build warning in the s390x target code
* Check for the availability of __attribute__((gcc_struct)) on MSYS2
 * Fix skipUnless decorators in Avocado tests
 * Add missing gtk-vnc package to the CI jobs
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Merge tag 'pull-request-2024-08-16' of https://gitlab.com/thuth/qemu into staging

* Fix a potential build warning in the s390x target code
* Check for the availability of __attribute__((gcc_struct)) on MSYS2
* Fix skipUnless decorators in Avocado tests
* Add missing gtk-vnc package to the CI jobs

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# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
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# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
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* tag 'pull-request-2024-08-16' of https://gitlab.com/thuth/qemu:
  ci: refresh package lists with lcitool
  ci: add gtk-vnc to the deps
  tests/avocado: apply proper skipUnless decorator
  meson.build: Check for the availability of __attribute__((gcc_struct)) on MSYS2
  target/s390x: fix build warning (gcc-12 -fsanitize=thread)

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-08-16 18:18:27 +10:00
Daniel P. Berrangé
b4be15a9f9 ci: refresh package lists with lcitool
Refresh with the newly added gtk-vnc package

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20240718094159.902024-3-berrange@redhat.com>
[thuth: fixed conflicts in .gitlab-ci.d/cirrus/*.vars]
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-08-16 09:16:03 +02:00
Daniel P. Berrangé
6d67a65f10 ci: add gtk-vnc to the deps
The gtk-vnc package is used by the vnc-display-test qtest
program. Technically only gvnc is needed, but since we
already pull in the gtk3 dep, it is harmless to depend
on gtk-vnc.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240718094159.902024-2-berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-08-16 09:16:03 +02:00
Cleber Rosa
3185e5a6f7 tests/avocado: apply proper skipUnless decorator
Commit 9b45cc993 added many cases of skipUnless for the sake of
organizing flaky tests.  But, Python decorators *must* follow what
they decorate, so the newlines added should *not* exist there.

Signed-off-by: Cleber Rosa <crosa@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Tested-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Message-ID: <20240806173119.582857-3-crosa@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-08-16 09:16:03 +02:00