Commit Graph

16681 Commits

Author SHA1 Message Date
Jamin Lin
9422dbd10b hw/gpio/aspeed: Support to set the different memory size
According to the datasheet of ASPEED SOCs, a GPIO controller owns 4KB of
register space for AST2700, AST2500, AST2400 and AST1030; owns 2KB of
register space for AST2600 1.8v and owns 2KB of register space for
AST2600 3.3v.

It set the memory region size 2KB by default and it does not compatible
register space for AST2700.

Introduce a new class attribute to set the GPIO controller memory size
for different ASPEED SOCs.

Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
2024-10-24 07:57:47 +02:00
Jamin Lin
33343bff71 hw/gpio/aspeed: Fix coding style
Fix coding style issues from checkpatch.pl

Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
2024-10-24 07:57:47 +02:00
Peter Maydell
19a989096e Error reporting patches for 2024-10-18
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Merge tag 'pull-error-2024-10-18' of https://repo.or.cz/qemu/armbru into staging

Error reporting patches for 2024-10-18

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# gpg: Signature made Fri 18 Oct 2024 14:05:08 BST
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* tag 'pull-error-2024-10-18' of https://repo.or.cz/qemu/armbru:
  qerror: QERR_PROPERTY_VALUE_OUT_OF_RANGE is no longer used, drop
  hw/intc/openpic: Improve errors for out of bounds property values
  target/i386/cpu: Improve errors for out of bounds property values
  target/i386/cpu: Avoid mixing signed and unsigned in property setters
  block: Adjust check_block_size() signature
  block: Improve errors about block sizes
  error: Drop superfluous #include "qapi/qmp/qerror.h"
  qga: Improve error for guest-set-user-password parameter @crypted
  qga/qapi-schema: Drop obsolete note on "unsupported" errors

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-10-18 15:44:54 +01:00
Markus Armbruster
1824e9fc64 qerror: QERR_PROPERTY_VALUE_OUT_OF_RANGE is no longer used, drop
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20241010150144.986655-8-armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-10-18 15:03:35 +02:00
Markus Armbruster
bd783b5cd6 qga: Improve error for guest-set-user-password parameter @crypted
The Windows version of guest-set-user-password rejects argument
"crypted": true with the rather useless "this feature or command is
not currently supported".  Improve to "'crypted' must be off on this
host".

QERR_UNSUPPORTED is now unused.  Drop.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240911131206.2503035-3-armbru@redhat.com>
2024-10-18 15:03:35 +02:00
Peter Maydell
f1dd640896 * tcg/s390x: Fix for TSTEQ/TSTNE
* target/i386: Fixes for IN and OUT with REX prefix
 * target/i386: New CPUID features and logic fixes
 * target/i386: Add support save/load HWCR MSR
 * target/i386: Move more instructions to new decoder; separate decoding
   and IR generation
 * target/i386/tcg: Use DPL-level accesses for interrupts and call gates
 * accel/kvm: perform capability checks on VM file descriptor when necessary
 * accel/kvm: dynamically sized kvm memslots array
 * target/i386: fixes for Hyper-V
 * docs/system: Add recommendations to Hyper-V enlightenments doc
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* tcg/s390x: Fix for TSTEQ/TSTNE
* target/i386: Fixes for IN and OUT with REX prefix
* target/i386: New CPUID features and logic fixes
* target/i386: Add support save/load HWCR MSR
* target/i386: Move more instructions to new decoder; separate decoding
  and IR generation
* target/i386/tcg: Use DPL-level accesses for interrupts and call gates
* accel/kvm: perform capability checks on VM file descriptor when necessary
* accel/kvm: dynamically sized kvm memslots array
* target/i386: fixes for Hyper-V
* docs/system: Add recommendations to Hyper-V enlightenments doc

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# gpg: Signature made Thu 17 Oct 2024 18:42:34 BST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (26 commits)
  target/i386: Use only 16 and 32-bit operands for IN/OUT
  accel/kvm: check for KVM_CAP_MEMORY_ATTRIBUTES on vm
  accel/kvm: check for KVM_CAP_MULTI_ADDRESS_SPACE on vm
  accel/kvm: check for KVM_CAP_READONLY_MEM on VM
  target/i386/tcg: Use DPL-level accesses for interrupts and call gates
  KVM: Rename KVMState->nr_slots to nr_slots_max
  KVM: Rename KVMMemoryListener.nr_used_slots to nr_slots_used
  KVM: Define KVM_MEMSLOTS_NUM_MAX_DEFAULT
  KVM: Dynamic sized kvm memslots array
  target/i386: assert that cc_op* and pc_save are preserved
  target/i386: list instructions still in translate.c
  target/i386: do not check PREFIX_LOCK in old-style decoder
  target/i386: convert CMPXCHG8B/CMPXCHG16B to new decoder
  target/i386: decode address before going back to translate.c
  target/i386: convert bit test instructions to new decoder
  tcg/s390x: fix constraint for 32-bit TSTEQ/TSTNE
  docs/system: Add recommendations to Hyper-V enlightenments doc
  target/i386: Make sure SynIC state is really updated before KVM_RUN
  target/i386: Exclude 'hv-syndbg' from 'hv-passthrough'
  target/i386: Fix conditional CONFIG_SYNDBG enablement
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-10-18 10:42:56 +01:00
Peter Xu
943c742868 KVM: Rename KVMState->nr_slots to nr_slots_max
This value used to reflect the maximum supported memslots from KVM kernel.
Rename it to be clearer.

Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20240917163835.194664-5-peterx@redhat.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-10-17 19:41:30 +02:00
Peter Xu
dbdc00ba5b KVM: Rename KVMMemoryListener.nr_used_slots to nr_slots_used
This will make all nr_slots counters to be named in the same manner.

Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20240917163835.194664-4-peterx@redhat.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-10-17 19:41:30 +02:00
Peter Xu
5504a81261 KVM: Dynamic sized kvm memslots array
Zhiyi reported an infinite loop issue in VFIO use case.  The cause of that
was a separate discussion, however during that I found a regression of
dirty sync slowness when profiling.

Each KVMMemoryListerner maintains an array of kvm memslots.  Currently it's
statically allocated to be the max supported by the kernel.  However after
Linux commit 4fc096a99e ("KVM: Raise the maximum number of user memslots"),
the max supported memslots reported now grows to some number large enough
so that it may not be wise to always statically allocate with the max
reported.

What's worse, QEMU kvm code still walks all the allocated memslots entries
to do any form of lookups.  It can drastically slow down all memslot
operations because each of such loop can run over 32K times on the new
kernels.

Fix this issue by making the memslots to be allocated dynamically.

Here the initial size was set to 16 because it should cover the basic VM
usages, so that the hope is the majority VM use case may not even need to
grow at all (e.g. if one starts a VM with ./qemu-system-x86_64 by default
it'll consume 9 memslots), however not too large to waste memory.

There can also be even better way to address this, but so far this is the
simplest and should be already better even than before we grow the max
supported memslots.  For example, in the case of above issue when VFIO was
attached on a 32GB system, there are only ~10 memslots used.  So it could
be good enough as of now.

In the above VFIO context, measurement shows that the precopy dirty sync
shrinked from ~86ms to ~3ms after this patch applied.  It should also apply
to any KVM enabled VM even without VFIO.

NOTE: we don't have a FIXES tag for this patch because there's no real
commit that regressed this in QEMU. Such behavior existed for a long time,
but only start to be a problem when the kernel reports very large
nr_slots_max value.  However that's pretty common now (the kernel change
was merged in 2021) so we attached cc:stable because we'll want this change
to be backported to stable branches.

Cc: qemu-stable <qemu-stable@nongnu.org>
Reported-by: Zhiyi Guo <zhguo@redhat.com>
Tested-by: Zhiyi Guo <zhguo@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240917163835.194664-2-peterx@redhat.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-10-17 19:41:30 +02:00
Peter Maydell
95a16ee753 pull-loongarch-20241016
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Merge tag 'pull-loongarch-20241016' of https://gitlab.com/gaosong/qemu into staging

pull-loongarch-20241016

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# gpg: Signature made Wed 16 Oct 2024 09:13:05 BST
# gpg:                using RSA key B8FF1DA0D2FDCB2DA09C6C2C40A2FFF239263EDF
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* tag 'pull-loongarch-20241016' of https://gitlab.com/gaosong/qemu:
  hw/loongarch/fw_cfg: Build in common_ss[]
  hw/loongarch/virt: Remove unnecessary 'cpu.h' inclusion
  target/loongarch: Avoid bits shift exceeding width of bool type
  hw/loongarch/virt: Add FDT table support with acpi ged pm register
  acpi: ged: Add macro for acpi sleep control register

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-10-17 12:42:23 +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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* 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
25d92888b2 hw/loongarch/virt: Remove unnecessary 'cpu.h' inclusion
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20240927213254.17552-2-philmd@linaro.org>
Signed-off-by: Song Gao <gaosong@loongson.cn>
2024-10-16 16:03:13 +08:00
Bibo Mao
edafc90ba4 acpi: ged: Add macro for acpi sleep control register
Macro definition is added for acpi sleep control register, ged emulation
driver can use the macro , also it can be used in FDT table if ged is
exposed with FDT table.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20240918014206.2165821-2-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
2024-10-16 15:56:42 +08:00
Philippe Mathieu-Daudé
805659a895 hw/mips/cps: Set the vCPU 'cpu-big-endian' property
Have the CPS expose a 'cpu-big-endian' property so it can
set it to the vCPUs it creates.
Note, since the number of vCPUs created is dynamic, we can
not use QOM aliases.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Tested-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241010215015.44326-16-philmd@linaro.org>
2024-10-15 12:21:06 -03:00
Philippe Mathieu-Daudé
f026579802 gdbstub/helpers: Introduce ldtul_$endian_p() helpers
Introduce ldtul_le_p() and ldtul_be_p() to use directly
in place of ldtul_p() when a target endianness is fixed.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Acked-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241010175246.15779-3-philmd@linaro.org>
2024-10-15 11:55:09 -03:00
Philippe Mathieu-Daudé
5caa0e1b1b exec/memop: Remove unused memop_big_endian() helper
Last use of memop_big_endian() was removed in commit 592134617c
("accel/tcg: Reorg system mode store helpers").

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20241003234211.53644-3-philmd@linaro.org>
2024-10-15 11:55:09 -03:00
Philippe Mathieu-Daudé
68e05eff50 exec/tswap: Massage target_needs_bswap() definition
Invert target_needs_bswap() comparison to match the
COMPILING_PER_TARGET definition (2 lines upper).

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241010175246.15779-2-philmd@linaro.org>
2024-10-15 11:55:09 -03:00
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
f774a67750 target-arm queue:
* hw/arm/omap1: Remove unused omap_uwire_attach() method
  * stm32f405: Add RCC device to stm32f405 SoC
  * arm/gicv3: add missing casts
  * hw/misc: Create STM32L4x5 SYSCFG clock
  * hw/arm: Add SPI to Allwinner A10
  * hw/intc/omap_intc: Remove now-unnecessary abstract base class
  * hw/char/pl011: Use correct masks for IBRD and FBRD
  * docs/devel: Convert txt files to rST
  * Remove MAX111X, MAX7310, DSCM-1XXXX, pcmcia devices (used only
    by now-removed omap/pxa2xx boards)
  * vl.c: Remove pxa2xx-specific -portrait and -rotate options
  * dma: Fix function names in documentation
  * hw/arm/xilinx_zynq: Add various missing unimplemented devices
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Merge tag 'pull-target-arm-20241015-1' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
 * hw/arm/omap1: Remove unused omap_uwire_attach() method
 * stm32f405: Add RCC device to stm32f405 SoC
 * arm/gicv3: add missing casts
 * hw/misc: Create STM32L4x5 SYSCFG clock
 * hw/arm: Add SPI to Allwinner A10
 * hw/intc/omap_intc: Remove now-unnecessary abstract base class
 * hw/char/pl011: Use correct masks for IBRD and FBRD
 * docs/devel: Convert txt files to rST
 * Remove MAX111X, MAX7310, DSCM-1XXXX, pcmcia devices (used only
   by now-removed omap/pxa2xx boards)
 * vl.c: Remove pxa2xx-specific -portrait and -rotate options
 * dma: Fix function names in documentation
 * hw/arm/xilinx_zynq: Add various missing unimplemented devices

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# 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-20241015-1' of https://git.linaro.org/people/pmaydell/qemu-arm: (28 commits)
  hw/arm/xilinx_zynq: Add various missing unimplemented devices
  dma: Fix function names in documentation
  vl.c: Remove pxa2xx-specific -portrait and -rotate options
  hw/block: Remove ecc
  hw: Remove PCMCIA subsystem
  hw/ide: Remove DSCM-1XXXX microdrive device model
  hw/gpio: Remove MAX7310 device
  hw/adc: Remove MAX111X device
  docs/devel/lockcnt: Include kernel-doc API documentation
  include: Move QemuLockCnt APIs to their own header
  docs/devel/rcu: Convert to rST format
  docs/devel/multiple-iothreads: Convert to rST format
  docs/devel/lockcnt: Convert to rST format
  docs/devel/blkverify: Convert to rST format
  docs/devel/blkdebug: Convert to rST format
  hw/char/pl011: Use correct masks for IBRD and FBRD
  hw/intc/omap_intc: Remove now-unnecessary abstract base class
  hw/arm: Add SPI to Allwinner A10
  hw/ssi: Allwinner A10 SPI emulation
  tests/qtest: Check STM32L4x5 clock connections
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-10-15 15:18:22 +01:00
Akihiko Odaki
8bd6072de3 dma: Fix function names in documentation
Ensure the function names match.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-id: 20241012-dma-v2-1-6afddf5f3c8d@daynix.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-10-15 15:16:17 +01:00
Peter Maydell
f7214f99ff vl.c: Remove pxa2xx-specific -portrait and -rotate options
The ``-portrait`` and ``-rotate`` options were documented as only
working with the PXA LCD device, and all the machine types using
that display device were removed in 9.2.

These options were intended to simulate a mobile device being
rotated by the user, and had three effects:
 * the display output was rotated by 90, 180 or 270 degrees
   (implemented in the PXA display device models)
 * the mouse/trackpad input was rotated the opposite way
   (implemented in generic code)
 * the machine model would signal to the guest about its
   orientation
   (implemented by e.g. the spitz machine model)

Of these three things, the input-rotation was coded without being
restricted to boards which supported the full set of device-rotation
handling, so in theory the options were usable on other machine
models with odd effects (rotating input but not display output).  But
this was never intended or documented behaviour, so we can reasonably
drop these command line arguments without a formal deprecate-and-drop
cycle for them.

Remove the options, and their implementation and documentation.
Describe the removal in removed-features.rst.

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: 20241003140010.1653808-7-peter.maydell@linaro.org
2024-10-15 15:16:17 +01:00
Peter Maydell
48cbe68670 hw/block: Remove ecc
The ecc.c code was used only by the PXA2xx and OMAP2 SoC devices,
which we have removed, so it is now completely unused.

Note that hw/misc/eccmemctl.c does not in fact use any of the
code frome ecc.c, so that KConfig dependency was incorrect.

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: 20241003140010.1653808-6-peter.maydell@linaro.org
2024-10-15 15:16:17 +01:00
Peter Maydell
de63376387 hw: Remove PCMCIA subsystem
The only PCMCIA subsystem was the PXA2xx SoC and the machines
using it, which have now been removed. Although in theory
we have a few machine types which have PCMCIA (e.g. kzm,
the strongarm machines, sh4's sh7750), none of those machines
implement their PCMCIA controller, and they're all old and
no longer very interesting machine types.

Rather than keeping all the PCMCIA code in-tree without any
active users of it, delete it. If we need PCMCIA in future
we can always resurrect it.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20241003140010.1653808-5-peter.maydell@linaro.org
2024-10-15 15:16:17 +01:00
Peter Maydell
819946d275 hw/ide: Remove DSCM-1XXXX microdrive device model
The DSCM-1XXXX microdrive device model was used only by the
XScale-based Zaurus machine types.  Now they have been removed, we
can delete this device too.

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: 20241003140010.1653808-4-peter.maydell@linaro.org
2024-10-15 15:16:17 +01:00
Peter Maydell
ff788b7022 hw/adc: Remove MAX111X device
The MAX111X ADC device was used only by the XScale-based
Zaurus machine types. Now they have all been removed, we can
drop this device model too.

Because this device is an SSI device, in theory it could be created
by users on the command line for boards with a different SSI
controller, but we don't believe users are doing this -- it would be
impossible on the command line to connect up the GPIO inputs which
correspond to ADC inputs, or the GPIO output which is an interrupt
line.  The only example a web search produces for "device max1111" or
"device max1110" is our own bug report
  https://gitlab.com/qemu-project/qemu/-/issues/2228
where it's used as an example of a bogus command that causes an
assertion in an aspeed machine type that wasn't expecting anything
other than flash devices on its SMC bus.

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: 20241003140010.1653808-2-peter.maydell@linaro.org
2024-10-15 15:16:17 +01:00
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
Peter Maydell
85a2567068 hw/intc/omap_intc: Remove now-unnecessary abstract base class
The OMAP interrupt controller code used to have an omap-intc
class and an omap2-intc class, which shared common code via
the abstract class common-omap-intc. Now we have deleted
omap2-intc, we don't need the separate abstract base class;
fold int into omap-intc.

Suggested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20241003135323.1653230-1-peter.maydell@linaro.org
2024-10-15 15:16:17 +01:00
Strahinja Jankovic
3341d1cb37 hw/arm: Add SPI to Allwinner A10
The Allwinner A10 SPI controller is added to the Allwinner A10
description, so it is available when Cubieboard is emulated.

Update the documentation for Cubieboard to indicate SPI availability.

Signed-off-by: Strahinja Jankovic <strahinja.p.jankovic@gmail.com>
Message-id: 20241001221349.8319-3-strahinja.p.jankovic@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-10-15 15:16:17 +01:00
Strahinja Jankovic
8d3dfb6205 hw/ssi: Allwinner A10 SPI emulation
This patch implements Allwinner A10 SPI controller emulation.
Only master-mode functionality is implemented.

Since U-Boot and Linux SPI drivers for Allwinner A10 perform only
byte-wide CPU access (no DMA) to the transmit and receive registers of
the peripheral, the emulated controller does not implement DMA control,
and supports only byte-wide access to transmit and receive registers
(half-word and word accesses will be treated as byte accesses).

Signed-off-by: Strahinja Jankovic <strahinja.p.jankovic@gmail.com>
Message-id: 20241001221349.8319-2-strahinja.p.jankovic@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-10-15 15:16:17 +01:00
Inès Varhol
b91b8fe79d hw/misc: Create STM32L4x5 SYSCFG clock
This commit creates a clock in STM32L4x5 SYSCFG and wires it up to the
corresponding clock from STM32L4x5 RCC.

Signed-off-by: Inès Varhol <ines.varhol@telecom-paris.fr>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Luc Michel <luc@lmichel.fr>
Message-id: 20241003081105.40836-2-ines.varhol@telecom-paris.fr
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-10-15 11:29:45 +01:00
Román Cárdenas Rodríguez
950dff9aa4 hw/arm/stm32f405: Add RCC device to stm32f405 SoC
Add the reset and clock controller device to the stm32f405 SoC.

Signed-off-by: Roman Cardenas Rodriguez <rcardenas.rod@gmail.com>
[PMM: tweak commit message]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-10-15 11:29:45 +01:00
Román Cárdenas Rodríguez
d1613f2a53 hw/misc/stm32_rcc: Implement RCC device for STM32F4 SoCs
Generic RCC class for STM32 devices.  It can be used for most of
the STM32 chips.  Note that it only implements enable and reset
capabilities.

Signed-off-by: Roman Cardenas Rodriguez <rcardenas.rod@gmail.com>
[PMM: tweaked commit message, added MAINTAINERS lines]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-10-15 11:29:45 +01:00
Philippe Mathieu-Daudé
a5397d805d hw/arm/omap1: Remove unused omap_uwire_attach() method
The recently removed 'cheetah' machine was the single user
of the omap_uwire_attach() method. Remove it altogether with
the uWireSlave structure. Replace the send/receive callbacks
by Unimplemented logging.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-10-15 11:29:45 +01:00
Peter Maydell
c155d13167 chardev patch queue
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Merge tag 'chr-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging

chardev patch queue

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# gpg: Signature made Tue 15 Oct 2024 09:49:53 BST
# gpg:                using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg:                issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* tag 'chr-pull-request' of https://gitlab.com/marcandre.lureau/qemu:
  tests/unit/test-char: implement a few mux remove test cases
  chardev/mux: implement detach of frontends from mux
  chardev/mux: switch mux frontends management to bitset
  chardev/mux: introduce `mux_chr_attach_frontend() call
  chardev/mux: convert size members to unsigned int
  chardev/mux: use bool type for `linestart` and `term_got_escape`
  chardev/chardev-internal: remove unused `max_size` struct member
  chardev/char: fix qemu_chr_is_busy() check

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-10-15 10:30:43 +01:00
Roman Penyaev
c64f0bc1ce chardev/mux: convert size members to unsigned int
There is no sense to keep `focus`, `mux_cnt`, `prod`, `cons`
and `tag` variables as signed, those represent either size,
either position in array, which both are unsigned.

`focus` member of `MuxChardev` is kept signed, because initially
set to -1.

Signed-off-by: Roman Penyaev <r.peniaev@gmail.com>
Cc: "Marc-André Lureau" <marcandre.lureau@redhat.com>
Cc: qemu-devel@nongnu.org
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-ID: <20241014152408.427700-5-r.peniaev@gmail.com>
2024-10-15 12:26:01 +04:00
Marc-André Lureau
1ff788db97 ui: refactor using a common qemu_pixman_shareable
Use a common shareable type for win32 & unix, and helper functions.
This simplify the code as it avoids a lot of #ifdef'ery.

Note: if it helps review, commits could be reordered to introduce the
common type before introducing shareable memory for unix.

Suggested-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-ID: <20241008125028.1177932-19-marcandre.lureau@redhat.com>
2024-10-14 17:34:09 +04:00
Marc-André Lureau
5f899c34af virtio-gpu: allocate shareable 2d resources on !win32
Similar to what was done in commit 9462ff46 ("virtio-gpu/win32: allocate
shareable 2d resources/images") for win32, allocate resource memory with
memfd, so the associated display surface memory can be shared with a
different process.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-ID: <20241008125028.1177932-18-marcandre.lureau@redhat.com>
2024-10-14 17:34:09 +04:00
Marc-André Lureau
ec818df000 ui/surface: allocate shared memory on !win32
Use qemu_memfd_alloc() to allocate the display surface memory, which
will fallback on tmpfile/mmap() on systems without memfd, and allow to
share the display with other processes.

This is similar to how display memory is allocated on win32 since commit
09b4c198 ("console/win32: allocate shareable display surface").

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-ID: <20241008125028.1177932-13-marcandre.lureau@redhat.com>
2024-10-14 17:34:09 +04:00
Marc-André Lureau
1bfb726112 ui/pixman: generalize shared_image_destroy
Learn to free memfd-allocated shared memory.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-ID: <20241008125028.1177932-10-marcandre.lureau@redhat.com>
2024-10-14 17:34:09 +04:00
Marc-André Lureau
330ef31deb ui/win32: fix potential use-after-free with dbus shared memory
DisplaySurface may be free before the pixman image is freed, since the
image is refcounted and used by different objects, including pending
dbus messages.

Furthermore, setting the destroy function in
create_displaysurface_from() isn't appropriate, as it may not be used,
and may be overriden as in ramfb.

Set the destroy function when the shared handle is set, use the HANDLE
directly for destroy data, using a single common helper
qemu_pixman_win32_image_destroy().

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-ID: <20241008125028.1177932-5-marcandre.lureau@redhat.com>
2024-10-14 17:34:09 +04:00
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
Richard Henderson
e5b063e81f include/exec/memop: Introduce memop_atomicity_bits
Split out of mmu_lookup.

Reviewed-by: Helge Deller <deller@gmx.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-10-13 11:27:03 -07:00
Richard Henderson
c5809eee45 include/exec/memop: Rename get_alignment_bits
Rename to use "memop_" prefix, like other functions
that operate on MemOp.

Reviewed-by: Helge Deller <deller@gmx.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-10-13 11:27:03 -07:00
Richard Henderson
da335fe12a include/exec/memop: Move get_alignment_bits from tcg.h
This function is specific to MemOp, not TCG in general.

Reviewed-by: Helge Deller <deller@gmx.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-10-13 11:27:03 -07:00
Ilya Leoshkevich
f781af3b14 include/exec: Introduce env_cpu_const()
It's the same as env_cpu(), but for const objects.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-ID: <20240912093012.402366-2-iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-10-13 10:05:51 -07:00
Paolo Bonzini
fe678c45d2 tcg: remove singlestep_enabled from DisasContextBase
It is used in a couple of places only, both within the same target.
Those can use the cflags just as well, so remove the separate field.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20241010083641.1785069-1-pbonzini@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2024-10-13 10:04:29 -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: Signature made Thu 10 Oct 2024 17:17:38 BST
# gpg:                using RSA key DAF3A6FDB26B62912D0E8E3FBE86EBB415104FDF
# gpg: Good signature from "Daniel P. Berrange <dan@berrange.com>" [full]
# gpg:                 aka "Daniel P. Berrange <berrange@redhat.com>" [full]
# Primary key fingerprint: DAF3 A6FD B26B 6291 2D0E  8E3F BE86 EBB4 1510 4FDF

* tag '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
Alejandro Zeise
190feb4884 crypto: accumulative hashing API
Changes the hash API to support accumulative hashing.
Hash objects are created with "qcrypto_hash_new",
updated with data with "qcrypto_hash_update", and
the hash obtained with "qcrypto_hash_finalize".

These changes bring the hashing API more in line with the
hmac API.

Signed-off-by: Alejandro Zeise <alejandro.zeise@seagate.com>
[ clg: - Changed documentation "non-zero on error" -> "-1 on error" ]
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 12:32:59 +01:00