Commit Graph

1758 Commits

Author SHA1 Message Date
Paolo Bonzini 24899cdcd2 target/i386: use compiler builtin to compute PF
This removes the 256 byte parity table from the executable.

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-10-31 18:28:33 +01:00
Dr. David Alan Gilbert a347207514 sockets: Remove deadcode
socket_remote_address hasn't been used since it was added in
  17c55decec ("sockets: add helpers for creating SocketAddress from a socket")

inet_connect hasn't been used since 2017's
  8ecc2f9eab ("sheepdog: Use SocketAddress and socket_connect()")

Remove them.

Signed-off-by: Dr. David Alan Gilbert <dave@treblig.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2024-10-22 11:44:23 +01:00
Peter Maydell 08ae519ab8 Remove some target-specific endianness knowledge from target/.
For MIPS, propagate endianness at the board level, using QOM property.
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Merge tag 'single-binary-20241015' of https://github.com/philmd/qemu into staging

Remove some target-specific endianness knowledge from target/.

For MIPS, propagate endianness at the board level, using QOM property.

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# gpg: Signature made Tue 15 Oct 2024 16:28:23 BST
# gpg:                using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD  6BB2 E3E3 2C2C DEAD C0DE

* tag 'single-binary-20241015' of https://github.com/philmd/qemu: (33 commits)
  hw/mips: Have mips_cpu_create_with_clock() take an endianness argument
  hw/mips/cps: Set the vCPU 'cpu-big-endian' property
  target/mips: Expose MIPSCPU::is_big_endian property
  target/mips: Use tcg_constant_tl() instead of tcg_gen_movi_tl()
  target/mips: Use gen_op_addr_addi() when possible
  target/mips: Have gen_addiupc() expand $pc during translation
  target/mips: Replace MO_TE by mo_endian()
  target/mips: Introduce mo_endian() helper
  target/mips: Remove unused MEMOP_IDX() macro
  target/mips: Rename unused sysemu argument of OP_LD_ATOMIC()
  target/mips: Explode MO_TExx -> MO_TE | MO_xx
  target/mips: Factor mo_endian_rev() out of MXU code
  target/mips: Convert mips16e decr_and_load/store() macros to functions
  target/mips: Replace MO_TE by  mo_endian_env() in get_pte()
  target/mips: Introduce mo_endian_env() helper
  target/mips: Rename cpu_is_bigendian() -> disas_is_bigendian()
  target/mips: Declare mips_env_is_bigendian() in 'internal.h'
  hw/xtensa/xtfpga: Remove TARGET_BIG_ENDIAN #ifdef'ry
  target/ppc: Use tcg_constant_tl() instead of tcg_gen_movi_tl()
  target/tricore: Use tcg_constant_tl() instead of tcg_gen_movi_tl()
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-10-16 20:22:08 +01:00
Philippe Mathieu-Daudé 1d73353f23 qemu/bswap: Undefine CPU_CONVERT() once done
Better undefined macros once we are done with them,
like we do few lines later with DO_STN_LDN_P().

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20241003234211.53644-2-philmd@linaro.org>
2024-10-15 11:55:09 -03:00
Peter Maydell 0ae50e8e1e docs/devel/lockcnt: Include kernel-doc API documentation
Pull in the kernel-doc API documentation into the lockcnt docs.
This requires us to fix one rST markup syntax error in the
header file comments.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240816132212.3602106-8-peter.maydell@linaro.org
2024-10-15 15:16:17 +01:00
Peter Maydell 51483f6c84 include: Move QemuLockCnt APIs to their own header
Currently the QemuLockCnt data structure and associated functions are
in the include/qemu/thread.h header.  Move them to their own
qemu/lockcnt.h.  The main reason for doing this is that it means we
can autogenerate the documentation comments into the docs/devel
documentation.

The copyright/author in the new header is drawn from lockcnt.c,
since the header changes were added in the same commit as
lockcnt.c; since neither thread.h nor lockcnt.c state an explicit
license, the standard default of GPL-2-or-later applies.

We include the new header (and the .c file, which was accidentally
omitted previously) in the "RCU" part of MAINTAINERS, since that
is where the lockcnt.rst documentation is categorized.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20240816132212.3602106-7-peter.maydell@linaro.org
2024-10-15 15:16:17 +01:00
Richard Henderson f168808d7d accel/tcg: Add TCGCPUOps.tlb_fill_align
Add a new callback to handle softmmu paging.  Return the page
details directly, instead of passing them indirectly to
tlb_set_page.  Handle alignment simultaneously with paging so
that faults are handled with target-specific priority.

Route all calls of the two hooks through a tlb_fill_align
function local to cputlb.c.

As yet no targets implement the new hook.
As yet cputlb.c does not use the new alignment check.

Reviewed-by: Helge Deller <deller@gmx.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-10-13 11:27:05 -07:00
Peter Maydell 7e3b6d8063 Introduce new cryptography hashing APIs
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Merge tag 'crypto-fixes-pull-request' of https://gitlab.com/berrange/qemu into staging

Introduce new cryptography hashing APIs

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# gpg:                using RSA key DAF3A6FDB26B62912D0E8E3FBE86EBB415104FDF
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# gpg:                 aka "Daniel P. Berrange <berrange@redhat.com>" [full]
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* tag 'crypto-fixes-pull-request' of https://gitlab.com/berrange/qemu:
  tests/unit: Add a assert for test_io_channel_unix_listen_cleanup
  crypto: drop obsolete back compat logic for old nettle
  crypto/hashpriv: Remove old hash API function
  crypto/hash-afalg: Remove old hash API functions
  crypto/hash-nettle: Remove old hash API functions
  crypto/hash-gnutls: Remove old hash API functions
  crypto/hash-gcrypt: Remove old hash API functions
  crypto/hash-glib: Remove old hash API functions
  tests/unit/test-crypto-hash: accumulative hashing
  crypto/hash: Implement and use new hash API
  crypto/hash-afalg: Implement new hash API
  util/iov: Introduce iov_send_recv_with_flags()
  crypto/hash-nettle: Implement new hash API
  crypto/hash-gnutls: Implement new hash API
  crypto/hash-gcrypt: Implement new hash API
  crypto/hash-glib: Implement new hash API
  crypto: accumulative hashing API

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-10-10 18:05:43 +01:00
Alejandro Zeise 78a5822820 util/iov: Introduce iov_send_recv_with_flags()
In order to support a new update function, a flag needs to be passed
to the kernel via the socket send call (MSG_MORE) to notify it that
more data is to be expected to calculate the hash correctly.

Add a new iov helper for this purpose.

Signed-off-by: Alejandro Zeise <alejandro.zeise@seagate.com>
[ clg: - Split iov changes from original patch
       - Checkpatch fixes ]
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2024-10-10 12:33:31 +01:00
Dr. David Alan Gilbert 255db3ba80 util/iova-tree: Remove deadcode
iova_tree_find_address, and iova_tree_foreach have never been
used since the code was originally added by:
  eecf5eedbd ("util: implement simple iova tree")

Remove them.

Signed-off-by: Dr. David Alan Gilbert <dave@treblig.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Link: https://lore.kernel.org/r/20240918142515.153074-1-dave@treblig.org
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-10-08 15:28:55 -04:00
Dr. David Alan Gilbert ccf6b78275 util/userfaultfd: Remove unused uffd_poll_events
uffd_poll_events has been unused since it was added; it's also
just a wrapper around a plain old poll call, so doesn't add anything.

Signed-off-by: Dr. David Alan Gilbert <dave@treblig.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20240919134626.166183-8-dave@treblig.org
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-10-08 15:28:55 -04:00
Dr. David Alan Gilbert d9d59149c3 qemu-timer: Remove unused timer functions
qemu_clock_get_main_loop_timerlist and timerlist_get_clock have been
unused since they were originally added in
  ff83c66ecc ("aio / timers: Split QEMUClock into QEMUClock and QEMUTimerList")

Remove them.

Signed-off-by: Dr. David Alan Gilbert <dave@treblig.org>
Reviewed-by: Bernhard Beschow <shentey@gmail.com>
Message-ID: <20240919144124.309646-1-dave@treblig.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-10-02 12:38:36 +02:00
Dr. David Alan Gilbert b74987cd3b util/co-shared-resource: Remove unused co_try_get_from_shres
co_try_get_from_shres hasn't been used since it was added in
  55fa54a789 ("co-shared-resource: protect with a mutex")

(Everyone uses the _locked version)
Remove it.

Signed-off-by: Dr. David Alan Gilbert <dave@treblig.org>
Message-Id: <20240918124220.27871-1-dave@treblig.org>
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
2024-09-30 10:53:18 +03:00
Peter Maydell 173c427eb5 * Convert more Avocado tests to the new functional test framework
* Clean up assert() statements, use g_assert_not_reached() when possible
 * Improve output of the gitlab CI jobs
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Merge tag 'pull-request-2024-09-25' of https://gitlab.com/thuth/qemu into staging

* Convert more Avocado tests to the new functional test framework
* Clean up assert() statements, use g_assert_not_reached() when possible
* Improve output of the gitlab CI jobs

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# gpg: Signature made Wed 25 Sep 2024 12:08:08 BST
# 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-2024-09-25' of https://gitlab.com/thuth/qemu: (44 commits)
  .gitlab-ci.d: Make separate collapsible log sections for build and test
  .gitlab-ci.d: Split build and test in cross build job templates
  scripts/checkpatch.pl: emit error when using assert(false)
  tests/qtest: remove return after g_assert_not_reached()
  qom: remove return after g_assert_not_reached()
  qobject: remove return after g_assert_not_reached()
  migration: remove return after g_assert_not_reached()
  hw/ppc: remove return after g_assert_not_reached()
  hw/pci: remove return after g_assert_not_reached()
  hw/net: remove return after g_assert_not_reached()
  hw/hyperv: remove return after g_assert_not_reached()
  include/qemu: remove return after g_assert_not_reached()
  tcg/loongarch64: remove break after g_assert_not_reached()
  fpu: remove break after g_assert_not_reached()
  target/riscv: remove break after g_assert_not_reached()
  target/arm: remove break after g_assert_not_reached()
  hw/tpm: remove break after g_assert_not_reached()
  hw/scsi: remove break after g_assert_not_reached()
  hw/net: remove break after g_assert_not_reached()
  hw/acpi: remove break after g_assert_not_reached()
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-09-28 12:34:38 +01:00
Peter Maydell a53b931645 trivial patches for 2024-09-20
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Merge tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu into staging

trivial patches for 2024-09-20

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# gpg: Signature made Fri 20 Sep 2024 08:30:29 BST
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# gpg: Good signature from "Michael Tokarev <mjt@debian.org>" [full]
# gpg:                 aka "Michael Tokarev <mjt@corpit.ru>" [full]
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#      Subkey fingerprint: 64AA 2AB5 31D5 6903 366B  FEF9 82AA 4A24 3B1E 9478

* tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu: (22 commits)
  license: Update deprecated SPDX tag GPL-2.0 to GPL-2.0-only
  license: Update deprecated SPDX tag GPL-2.0+ to GPL-2.0-or-later
  license: Update deprecated SPDX tag LGPL-2.0+ to LGPL-2.0-or-later
  license: Simplify GPL-2.0-or-later license descriptions
  tests/functional: Correct typo in test_netdev_ethtool.py SPDX tag
  tests/bench: Rename test_akcipher_keys.inc -> test_akcipher_keys.c.inc
  target/hexagon: Rename macros.inc -> macros.h.inc
  tests/functional: Put the or1k_sim test into the slow category
  tests/qemu-iotests/testenv: Use the "r2d" machine for sh4/sh4eb
  tests/qemu-iotests/testenv: Use the "virt" machine for or1k
  util/cutils: Remove unused qemu_get_exec_dir
  hw/sysbus: Remove unused sysbus_mmio_unmap
  envlist: Remove unused envlist_parse
  hw/display: Fix mirrored output in dm163
  hw/virtio/Kconfig: Include vhost-user-scmi only on arm targets
  tests/unit: Really build pbkdf test on macOS
  hw/loongarch/virt: Add description for virt machine type
  hw/mips/jazz: fix typo in in-built NIC alias
  ppc: fix incorrect spelling of PowerMac
  linux-user/syscall.c: eliminate other explicit LFS usages
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-09-25 13:56:18 +01:00
Pierrick Bouvier 59a749a4d2 include/qemu: remove return after g_assert_not_reached()
This patch is part of a series that moves towards a consistent use of
g_assert_not_reached() rather than an ad hoc mix of different
assertion mechanisms.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-ID: <20240919044641.386068-26-pierrick.bouvier@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-09-24 13:53:35 +02:00
Philippe Mathieu-Daudé 06e2329636 license: Update deprecated SPDX tag GPL-2.0 to GPL-2.0-only
The 'GPL-2.0' license identifier has been deprecated since license
list version 3.0 [1] and replaced by the 'GPL-2.0-only' tag [2].

[1] https://spdx.org/licenses/GPL-2.0.html
[2] https://spdx.org/licenses/GPL-2.0-only.html

Mechanical patch running:

  $ sed -i -e s/GPL-2.0/GPL-2.0-only/ \
    $(git grep -l 'SPDX-License-Identifier: GPL-2.0[ $]' \
        | egrep -v '^linux-headers|^include/standard-headers')

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-09-20 10:11:59 +03:00
Philippe Mathieu-Daudé dc86dd55d5 license: Simplify GPL-2.0-or-later license descriptions
Since the "2 | 3+" expression can be simplified as "2+",
it is pointless to mention the GPLv3 license.

Add the corresponding SPDX identifier to remove all doubt.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-09-20 10:11:59 +03:00
Dr. David Alan Gilbert ecffadf602 util/cutils: Remove unused qemu_get_exec_dir
qemu_get_exec_dir has been unused since commit:
  5bebe03f51 ("util/cutils: Clean up global variable shadowing in get_relocated_path()")

Remove it, and fix up a comment that pointed to it.

Signed-off-by: Dr. David Alan Gilbert <dave@treblig.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-09-20 10:04:34 +03:00
Dr. David Alan Gilbert 0058f85f20 envlist: Remove unused envlist_parse
envlist_parse, envlist_parse_set, envlist_parse_unset were added
in 2009 but never used, see:
  04a6dfebb6 ("linux-user: Add generic env variable handling")

Remove them.

Signed-off-by: Dr. David Alan Gilbert <dave@treblig.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-09-20 10:00:27 +03:00
Rowan Hart 595cd9ce2e plugins: add plugin API to read guest memory
Signed-off-by: Rowan Hart <rowanbhart@gmail.com>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240827215329.248434-2-rowanbhart@gmail.com>
[AJB: tweaked cpu_memory_rw_debug call]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240916085400.1046925-17-alex.bennee@linaro.org>
2024-09-19 15:58:01 +01:00
Pierrick Bouvier 9505f85e2d plugins: extend API to get latest memory value accessed
This value can be accessed only during a memory callback, using
new qemu_plugin_mem_get_value function.

Returned value can be extended when QEMU will support accesses wider
than 128 bits.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1719
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2152
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Xingtao Yao <yaoxt.fnst@fujitsu.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240724194708.1843704-3-pierrick.bouvier@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240916085400.1046925-6-alex.bennee@linaro.org>
2024-09-19 15:58:01 +01:00
Pierrick Bouvier b709da5d29 plugins: save value during memory accesses
Different code paths handle memory accesses:
- tcg generated code
- load/store helpers
- atomic helpers

This value is saved in cpu->neg.plugin_mem_value_{high,low}. Values are
written only for accessed word size (upper bits are not set).

Atomic operations are doing read/write at the same time, so we generate
two memory callbacks instead of one, to allow plugins to access distinct
values.

For now, we can have access only up to 128 bits, thus split this in two
64 bits words. When QEMU will support wider operations, we'll be able to
reconsider this.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240724194708.1843704-2-pierrick.bouvier@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240916085400.1046925-5-alex.bennee@linaro.org>
2024-09-19 15:58:01 +01:00
Mark Cave-Ayland 570bf14394 fifo8: introduce fifo8_peek() function
This allows uses to peek the byte at the current head of the FIFO.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Octavian Purdila <tavip@google.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240828122258.928947-9-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-09-13 20:11:13 +02:00
Mark Cave-Ayland 28fbf33b3f fifo8: add fifo8_peek_buf() function
This is a wrapper function around fifo8_peekpop_buf() that allows the
caller to peek into the FIFO, including handling the case where there
is a wraparound of the internal FIFO buffer.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Octavian Purdila <tavip@google.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240828122258.928947-8-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-09-13 20:11:13 +02:00
Peter Maydell 0554840032 include: Fix typo in name of MAKE_IDENTFIER macro
In commit bb71846325 we added some macro magic to avoid
variable-shadowing when using some of our more complicated
macros. One of the internal components of this is a macro
named MAKE_IDENTFIER. Fix the typo in its name: it should
be MAKE_IDENTIFIER.

Commit created with
 sed -i -e 's/MAKE_IDENTFIER/MAKE_IDENTIFIER/g' include/qemu/*.h include/qapi/qmp/qobject.h

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240801102516.3843780-1-peter.maydell@linaro.org
2024-08-09 17:37:54 +01:00
Clément Léger 7532ca570a qemu/osdep: Add excluded fd parameter to qemu_close_all_open_fd()
In order for this function to be usable by tap.c code, add a list of
file descriptors that should not be closed.

Signed-off-by: Clément Léger <cleger@rivosinc.com>
Message-ID: <20240802145423.3232974-5-cleger@rivosinc.com>
[rth: Use max_fd in qemu_close_all_open_fd_close_range]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-08-05 08:21:59 +10:00
Clément Léger 4ec5ebea07 qemu/osdep: Move close_all_open_fds() to oslib-posix
Move close_all_open_fds() in oslib-posix, rename it
qemu_close_all_open_fds() and export it.

Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20240802145423.3232974-2-cleger@rivosinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-08-05 08:06:08 +10:00
Peter Maydell 7b60b971cc osdep.h: Clean up no-longer-needed back-compat for macOS 10
Our official support policy only supports the most recent two
versions of macOS (currently macOS 13 Ventura and macOS 14 Sonoma),
and we already have code that assumes at least macOS 12 Monterey or
better.  In commit 2d27c91e2b we dropped some of the back-compat
code for older macOS versions, but missed the guard in osdep.h that
is providing a fallback for macOS 10 and earlier.

Simplify the ifdef to the "ifdef __APPLE__" that we use elsewhere for
"is this macOS?".

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240730095939.2781172-1-peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-07-31 00:15:00 +02:00
Philippe Mathieu-Daudé e4e9db2562 util/fifo8: Introduce fifo8_drop()
Add the fifo8_drop() helper for clarity.
It is a simple wrapper over fifo8_pop_buf().

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20240722160745.67904-8-philmd@linaro.org>
2024-07-23 22:34:54 +02:00
Philippe Mathieu-Daudé 23ad571173 util/fifo8: Expose fifo8_pop_buf()
Extract fifo8_pop_buf() from hw/scsi/esp.c and expose
it as part of the <qemu/fifo8.h> API. This function takes
care of non-contiguous (wrapped) FIFO buffer (which is an
implementation detail).

Suggested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20240722160745.67904-7-philmd@linaro.org>
2024-07-23 22:34:54 +02:00
Philippe Mathieu-Daudé 06252bf512 util/fifo8: Rename fifo8_pop_buf() -> fifo8_pop_bufptr()
Since fifo8_pop_buf() return a const buffer (which points
directly into the FIFO backing store). Rename it using the
'bufptr' suffix to better reflect that it is a pointer to
the internal buffer that is being returned. This will help
differentiate with methods *copying* the FIFO data.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20240722160745.67904-6-philmd@linaro.org>
2024-07-23 22:34:54 +02:00
Philippe Mathieu-Daudé 06a16e7ba9 util/fifo8: Rename fifo8_peek_buf() -> fifo8_peek_bufptr()
Since fifo8_peek_buf() return a const buffer (which points
directly into the FIFO backing store). Rename it using the
'bufptr' suffix to better reflect that it is a pointer to
the internal buffer that is being returned. This will help
differentiate with methods *copying* the FIFO data.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20240722160745.67904-5-philmd@linaro.org>
2024-07-23 22:34:54 +02:00
Philippe Mathieu-Daudé 5ebf19430a util/fifo8: Fix style
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20240722160745.67904-3-philmd@linaro.org>
2024-07-23 22:34:54 +02:00
Yao Xingtao 007643bddc util/range: Make ranges_overlap() return bool
Just like range_overlaps_range(), use the returned bool value
to check whether 2 given ranges overlap.

Signed-off-by: Yao Xingtao <yaoxt.fnst@fujitsu.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240722040742.11513-2-yaoxt.fnst@fujitsu.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-07-23 20:30:36 +02:00
Song Gao d16ccfea23 qemu/timer: Add host ticks function for LoongArch
Signed-off-by: Song Gao <gaosong@loongson.cn>
Link: https://lore.kernel.org/r/20240716031500.4193498-1-gaosong@loongson.cn
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-07-16 18:18:24 +02:00
Philippe Mathieu-Daudé 853c685e8c plugins: Free CPUPluginState before destroying vCPU state
cpu::plugin_state is allocated in cpu_common_initfn() when
the vCPU state is created. Release it in cpu_common_finalize()
when we are done.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240606124010.2460-3-philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240705084047.857176-29-alex.bennee@linaro.org>
2024-07-05 12:34:52 +01:00
Paolo Bonzini eb350d1d01 include: move typeof_strip_qual to compiler.h, use it in QAPI_LIST_LENGTH()
The typeof_strip_qual() is most useful for the atomic fetch-and-modify
operations in atomic.h, but it can be used elsewhere as well.  For example,
QAPI_LIST_LENGTH() assumes that the argument is not const, which is not a
requirement.

Move the macro to compiler.h and, while at it, move it under #ifndef
__cplusplus to emphasize that it uses C-only constructs.  A C++ version
of typeof_strip_qual() using type traits is possible[1], but beyond the
scope of this patch because the little C++ code that is in QEMU does not
use QAPI.

The patch was tested by changing the declaration of strv_from_str_list()
in qapi/qapi-type-helpers.c to:

    char **strv_from_str_list(const strList *const list)

This is valid C code, and it fails to compile without this change.

[1] https://lore.kernel.org/qemu-devel/20240624205647.112034-1-flwu@google.com/

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Tested-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-06-28 14:44:52 +02:00
Richard Henderson 3f044554b9 vfio queue:
* Add a host IOMMU device abstraction
 * VIRTIO-IOMMU/VFIO: Fix host iommu geometry handling
 * QOMify VFIOContainer
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Merge tag 'pull-vfio-20240624' of https://github.com/legoater/qemu into staging

vfio queue:

* Add a host IOMMU device abstraction
* VIRTIO-IOMMU/VFIO: Fix host iommu geometry handling
* QOMify VFIOContainer

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# gpg:                using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@kaod.org>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: A0F6 6548 F048 95EB FE6B  0B60 51A3 43C7 CFFB ECA1

* tag 'pull-vfio-20240624' of https://github.com/legoater/qemu: (42 commits)
  vfio/container: Move vfio_container_destroy() to an instance_finalize() handler
  vfio/container: Introduce vfio_iommu_legacy_instance_init()
  vfio/container: Remove vfio_container_init()
  vfio/container: Remove VFIOContainerBase::ops
  vfio/container: Introduce an instance_init() handler
  vfio/container: Switch to QOM
  vfio/container: Change VFIOContainerBase to use QOM
  vfio/container: Discover IOMMU type before creating the container
  vfio/container: Introduce vfio_create_container()
  vfio/container: Introduce vfio_get_iommu_class_name()
  vfio/container: Modify vfio_get_iommu_type() to use a container fd
  vfio/container: Simplify vfio_container_init()
  vfio/container: Introduce vfio_address_space_insert()
  vfio/common: Extract vIOMMU code from vfio_sync_dirty_bitmap()
  vfio/common: Move dirty tracking ranges update to helper
  vfio: Remove unused declarations from vfio-common.h
  vfio: Make vfio_devices_dma_logging_start() return bool
  memory: Remove IOMMU MR iommu_set_iova_range API
  hw/vfio: Remove memory_region_iommu_set_iova_ranges() call
  virtio-iommu: Remove the implementation of iommu_set_iova_range
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-06-24 21:30:34 -07:00
Richard Henderson 78c236a9ed SD/MMC patches queue
One fix and various cleanups for the SD card model.
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Merge tag 'sdmmc-20240624' of https://github.com/philmd/qemu into staging

SD/MMC patches queue

One fix and various cleanups for the SD card model.

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# gpg: Signature made Mon 24 Jun 2024 06:13:57 AM PDT
# gpg:                using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]

* tag 'sdmmc-20240624' of https://github.com/philmd/qemu:
  hw/sd/sdcard: Add comments around registers and commands
  hw/sd/sdcard: Inline BLK_READ_BLOCK / BLK_WRITE_BLOCK macros
  hw/sd/sdcard: Add sd_invalid_mode_for_cmd to report invalid mode switch
  hw/sd/sdcard: Only call sd_req_get_address() where address is used
  hw/sd/sdcard: Factor sd_req_get_address() method out
  hw/sd/sdcard: Only call sd_req_get_rca() where RCA is used
  hw/sd/sdcard: Factor sd_req_get_rca() method out
  hw/sd/sdcard: Have cmd_valid_while_locked() return a boolean value
  hw/sd/sdcard: Trace update of block count (CMD23)
  hw/sd/sdcard: Remove explicit entries for illegal commands
  hw/sd/sdcard: Remove ACMD6 handler for SPI mode
  hw/sd/sdcard: Use Load/Store API to fill some CID/CSD registers
  hw/sd/sdcard: Use registerfield CSR::CURRENT_STATE definition
  hw/sd/sdcard: Use HWBLOCK_SHIFT definition instead of magic values
  hw/sd/sdcard: Fix typo in SEND_OP_COND command name
  hw/sd/sdcard: Rewrite sd_cmd_ALL_SEND_CID using switch case (CMD2)
  hw/sd/sdcard: Correct code indentation
  hw/sd/sdcard: Avoid OOB in sd_read_byte() during unexpected CMD switch
  bswap: Add st24_be_p() to store 24 bits in big-endian order

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-06-24 18:23:47 -07:00
Zhenzhong Duan 6f274444c5 range: Introduce range_get_last_bit()
This helper get the highest 1 bit position of the upper bound.

If the range is empty or upper bound is zero, -1 is returned.

Suggested-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
2024-06-24 23:15:30 +02:00
Alex Bennée 847a65dd76 plugins: add time control API
Expose the ability to control time through the plugin API. Only one
plugin can control time so it has to request control when loaded.
There are probably more corner cases to catch here.

Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
[AJB: tweaked user-mode handling, merged QEMU_PLUGIN_API fix]
Message-Id: <20240530220610.1245424-6-pierrick.bouvier@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240620152220.2192768-9-alex.bennee@linaro.org>
2024-06-24 10:15:04 +01:00
Alex Bennée ffbc394946 sysemu: generalise qtest_warp_clock as qemu_clock_advance_virtual_time
Move the key functionality of moving time forward into the clock
sub-system itself. This will allow us to plumb in time control into
plugins.

Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240620152220.2192768-7-alex.bennee@linaro.org>
2024-06-24 10:14:41 +01:00
Philippe Mathieu-Daudé 4fbeddb088 bswap: Add st24_be_p() to store 24 bits in big-endian order
Commit 14180d6221 ("bswap: Add the ability to store to an
unaligned 24 bit field") added st24_le_p() for little
endianness, add st24_be_p() equivalent for bit one.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240621075607.17902-1-philmd@linaro.org>
2024-06-24 10:35:26 +02:00
Fabiano Rosas b43b61d5be migration: Add direct-io parameter
Add the direct-io migration parameter that tells the migration code to
use O_DIRECT when opening the migration stream file whenever possible.

This is currently only used with the mapped-ram migration that has a
clear window guaranteed to perform aligned writes.

Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
2024-06-21 09:47:22 -03:00
Richard Henderson c49d1c37d8 util/hexdump: Add unit_len and block_len to qemu_hexdump_line
Generalize the current 1 byte unit and 4 byte blocking
within the output.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240412073346.458116-5-richard.henderson@linaro.org>
2024-06-05 12:14:18 -07:00
Richard Henderson 53ee5f551e util/hexdump: Use a GString for qemu_hexdump_line
Allocate a new, or append to an existing GString instead of
using a fixed sized buffer.  Require the caller to determine
the length of the line -- do not bound len here.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240412073346.458116-4-richard.henderson@linaro.org>
2024-06-05 12:13:42 -07:00
Richard Henderson 13dfa93300 util/hexdump: Remove ascii parameter from qemu_hexdump_line
Split out asciidump_line as a separate function, local to hexdump.c,
for use by qemu_hexdump.  Use "%-*s" to generate the alignment
between the hex and the ascii, rather than explicit spaces.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240412073346.458116-3-richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-06-04 10:02:39 +02:00
Richard Henderson 5837a76cd2 util/hexdump: Remove b parameter from qemu_hexdump_line
Require that the caller output the offset and increment bufptr.
Use QEMU_HEXDUMP_LINE_BYTES in vhost_vdpa_dump_config instead
of raw integer.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240412073346.458116-2-richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-06-04 10:02:39 +02:00
Akihiko Odaki a3b3ad72e8 lockable: Do not cast function pointers
-fsanitize=undefined complains if function pointers are casted. It
also prevents enabling the strict mode of CFI which is currently
disabled with -fsanitize-cfi-icall-generalize-pointers.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2345
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240524-xkb-v4-2-2de564e5c859@daynix.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-05-29 12:41:56 +02:00