Commit Graph

15866 Commits

Author SHA1 Message Date
Nicholas Piggin
03bfc2188f physmem: Fix migration dirty bitmap coherency with TCG memory access
The fastpath in cpu_physical_memory_sync_dirty_bitmap() to test large
aligned ranges forgot to bring the TCG TLB up to date after clearing
some of the dirty memory bitmap bits. This can result in stores though
the TCG TLB not setting the dirty memory bitmap and ultimately causes
memory corruption / lost updates during migration from a TCG host.

Fix this by calling cpu_physical_memory_dirty_bits_cleared() when
dirty bits have been cleared.

Fixes: aa8dc04477 ("migration: synchronize memory bitmap 64bits at a time")
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240219061731.232570-1-npiggin@gmail.com>
[PMD: Split patch in 2: part 2/2, slightly adapt description]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Link: https://lore.kernel.org/r/20240312201458.79532-4-philmd@linaro.org
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-03-12 17:39:40 -04:00
Nicholas Piggin
86a9ae80cc physmem: Factor cpu_physical_memory_dirty_bits_cleared() out
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240219061731.232570-1-npiggin@gmail.com>
[PMD: Split patch in 2: part 1/2]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Link: https://lore.kernel.org/r/20240312201458.79532-3-philmd@linaro.org
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-03-12 17:39:40 -04:00
Philippe Mathieu-Daudé
7e8ccf99ed physmem: Expose tlb_reset_dirty_range_all()
In order to call tlb_reset_dirty_range_all() outside of
system/physmem.c, expose its prototype.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Link: https://lore.kernel.org/r/20240312201458.79532-2-philmd@linaro.org
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-03-12 17:39:40 -04:00
Fabiano Rosas
4760cedc61 io: Introduce qio_channel_file_new_dupfd
Add a new helper function for creating a QIOChannelFile channel with a
duplicated file descriptor. This saves the calling code from having to
do error checking on the dup() call.

Suggested-by: "Daniel P. Berrangé" <berrange@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: "Daniel P. Berrangé" <berrange@redhat.com>
Link: https://lore.kernel.org/r/20240311233335.17299-2-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-03-12 15:22:23 -04:00
Peter Maydell
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Merge tag 'net-pull-request' of https://github.com/jasowang/qemu into staging

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# gpg: Signature made Tue 12 Mar 2024 11:32:16 GMT
# gpg:                using RSA key 215D46F48246689EC77F3562EF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>" [marginal]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 215D 46F4 8246 689E C77F  3562 EF04 965B 398D 6211

* tag 'net-pull-request' of https://github.com/jasowang/qemu:
  ebpf: Updated eBPF program and skeleton.
  qmp: Added new command to retrieve eBPF blob.
  virtio-net: Added property to load eBPF RSS with fds.
  ebpf: Added eBPF initialization by fds.
  ebpf: Added eBPF map update through mmap.
  Avoid unaligned fetch in ladr_match()
  e1000e: fix link state on resume
  igb: fix link state on resume

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-03-12 13:42:57 +00:00
Peter Maydell
fe6d4434d2 Misc HW patch queue
- Rename hw/ide/ahci-internal.h for consistency (Zoltan)
 - More convenient PCI hotplug trace events (Vladimir)
 - Short CLI option to add drives for sam460ex machine (Zoltan)
 - More missing ERRP_GUARD() macros (Zhao)
 - Avoid faulting when unmapped I/O BAR is accessed on SPARC EBUS (Mark)
 - Remove unused includes in hw/core/ (Zhao)
 - New PCF8574 GPIO over I2C model (Dmitriy)
 - Require ObjC on Darwin macOS by default (Peter)
 - Corrected "-smp parameter=1" placement in docs/ (Zhao)
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Merge tag 'hw-misc-20240312' of https://github.com/philmd/qemu into staging

Misc HW patch queue

- Rename hw/ide/ahci-internal.h for consistency (Zoltan)
- More convenient PCI hotplug trace events (Vladimir)
- Short CLI option to add drives for sam460ex machine (Zoltan)
- More missing ERRP_GUARD() macros (Zhao)
- Avoid faulting when unmapped I/O BAR is accessed on SPARC EBUS (Mark)
- Remove unused includes in hw/core/ (Zhao)
- New PCF8574 GPIO over I2C model (Dmitriy)
- Require ObjC on Darwin macOS by default (Peter)
- Corrected "-smp parameter=1" placement in docs/ (Zhao)

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# gpg: Signature made Tue 12 Mar 2024 08:21:45 GMT
# 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 'hw-misc-20240312' of https://github.com/philmd/qemu:
  docs/about/deprecated.rst: Move SMP configurations item to system emulator section
  meson.build: Always require an objc compiler on macos hosts
  hw/gpio: introduce pcf8574 driver
  hw/core: Cleanup unused included headers in numa.c
  hw/core: Cleanup unused included header in machine-qmp-cmds.c
  hw/core: Cleanup unused included headers in cpu-common.c
  sun4u: remap ebus BAR0 to use unassigned_io_ops instead of alias to PCI IO space
  hw/misc/ivshmem: Fix missing ERRP_GUARD() for error_prepend()
  hw/core/qdev-properties-system: Fix missing ERRP_GUARD() for error_prepend()
  hw/core/loader-fit: Fix missing ERRP_GUARD() for error_prepend()
  hw/ppc/sam460ex: Support short options for adding drives
  hw/pci: add some convenient trace-events for pcie and shpc hotplug
  hw/ide/ahci: Rename ahci_internal.h to ahci-internal.h

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-03-12 13:42:49 +00:00
Peter Maydell
8f3f329f5e Migration pull request
- Avihai's fix to allow vmstate iterators to not starve for VFIO
 - Maksim's fix on additional check on precopy load error
 - Fabiano's fix on fdatasync() hang in mapped-ram
 - Jonathan's fix on vring cached access over MMIO regions
 - Cedric's cleanup patches 1-4 out of his error report series
 - Yu's fix for RDMA migration (which used to be broken even for 8.2)
 - Anthony's small cleanup/fix on err message
 - Steve's patches on privatize migration.h
 - Xiang's patchset to enable zero page detections in multifd threads
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Merge tag 'migration-20240311-pull-request' of https://gitlab.com/peterx/qemu into staging

Migration pull request

- Avihai's fix to allow vmstate iterators to not starve for VFIO
- Maksim's fix on additional check on precopy load error
- Fabiano's fix on fdatasync() hang in mapped-ram
- Jonathan's fix on vring cached access over MMIO regions
- Cedric's cleanup patches 1-4 out of his error report series
- Yu's fix for RDMA migration (which used to be broken even for 8.2)
- Anthony's small cleanup/fix on err message
- Steve's patches on privatize migration.h
- Xiang's patchset to enable zero page detections in multifd threads

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# gpg: Signature made Mon 11 Mar 2024 21:59:20 GMT
# gpg:                using EDDSA key B9184DC20CC457DACF7DD1A93B5FCCCDF3ABD706
# gpg:                issuer "peterx@redhat.com"
# gpg: Good signature from "Peter Xu <xzpeter@gmail.com>" [marginal]
# gpg:                 aka "Peter Xu <peterx@redhat.com>" [marginal]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: B918 4DC2 0CC4 57DA CF7D  D1A9 3B5F CCCD F3AB D706

* tag 'migration-20240311-pull-request' of https://gitlab.com/peterx/qemu: (34 commits)
  migration/multifd: Add new migration test cases for legacy zero page checking.
  migration/multifd: Enable multifd zero page checking by default.
  migration/multifd: Implement ram_save_target_page_multifd to handle multifd version of MigrationOps::ram_save_target_page.
  migration/multifd: Implement zero page transmission on the multifd thread.
  migration/multifd: Add new migration option zero-page-detection.
  migration/multifd: Allow clearing of the file_bmap from multifd
  migration/multifd: Allow zero pages in file migration
  migration: purge MigrationState from public interface
  migration: delete unused accessors
  migration: privatize colo interfaces
  migration: migration_file_set_error
  migration: migration_is_device
  migration: migration_thread_is_self
  migration: export vcpu_dirty_limit_period
  migration: export migration_is_running
  migration: export migration_is_active
  migration: export migration_is_setup_or_active
  migration: remove migration.h references
  migration: export fewer options
  migration: Fix format in error message
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-03-12 11:35:41 +00:00
Peter Maydell
1c268991b3 target-arm queue:
* contrib/elf2dmp: Improve robustness to corrupt input files
  * docs: update copyright date to the year 2024
  * hw/arm: Deprecate various old Arm machine types
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Merge tag 'pull-target-arm-20240311' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
 * contrib/elf2dmp: Improve robustness to corrupt input files
 * docs: update copyright date to the year 2024
 * hw/arm: Deprecate various old Arm machine types

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# gpg: Signature made Mon 11 Mar 2024 19:12:08 GMT
# gpg:                using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# gpg:                 aka "Peter Maydell <peter@archaic.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* tag 'pull-target-arm-20240311' of https://git.linaro.org/people/pmaydell/qemu-arm:
  docs: update copyright date to the year 2024
  contrib/elf2dmp: Ensure phdrs fit in file
  contrib/elf2dmp: Clamp QEMU note to file size
  contrib/elf2dmp: Use GPtrArray
  MAINTAINERS: Add Akihiko Odaki as a elf2dmp reviewer
  contrib/elf2dmp: Use rol64() to decode
  contrib/elf2dmp: Use lduw_le_p() to read PDB
  contrib/elf2dmp: Ensure segment fits in file
  contrib/elf2dmp: Always destroy PA space
  contrib/elf2dmp: Always check for PA resolution failure
  contrib/elf2dmp: Fix error reporting style in main.c
  contrib/elf2dmp: Fix error reporting style in qemu_elf.c
  contrib/elf2dmp: Fix error reporting style in pdb.c
  contrib/elf2dmp: Fix error reporting style in download.c
  contrib/elf2dmp: Fix error reporting style in addrspace.c
  contrib/elf2dmp: Change pa_space_create() signature
  contrib/elf2dmp: Continue even contexts are lacking
  contrib/elf2dmp: Assume error by default
  contrib/elf2dmp: Remove unnecessary err flags
  hw/arm: Deprecate various old Arm machine types

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-03-12 11:35:35 +00:00
Andrew Melnychenko
6b230b7dfc virtio-net: Added property to load eBPF RSS with fds.
eBPF RSS program and maps may now be passed during initialization.
Initially was implemented for libvirt to launch qemu without permissions,
and initialized eBPF program through the helper.

Signed-off-by: Andrew Melnychenko <andrew@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
2024-03-12 19:31:46 +08:00
Dmitriy Sharikhin
4cbb1513a2 hw/gpio: introduce pcf8574 driver
NXP PCF8574 and compatible ICs are simple I2C GPIO expanders.
PCF8574 incorporates quasi-bidirectional IO, and simple
communication protocol, when IO read is I2C byte read, and
IO write is I2C byte write. User can think of it as
open-drain port, when line high state is input and line low
state is output.

Signed-off-by: Dmitrii Sharikhin <d.sharikhin@yadro.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <f1552d822276e878d84c01eba2cf2c7c9ebdde00.camel@yadro.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-03-11 22:10:18 +01:00
Hao Xiang
5fdbb1dfcc migration/multifd: Add new migration option zero-page-detection.
This new parameter controls where the zero page checking is running.
1. If this parameter is set to 'legacy', zero page checking is
done in the migration main thread.
2. If this parameter is set to 'none', zero page checking is disabled.

Signed-off-by: Hao Xiang <hao.xiang@bytedance.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Link: https://lore.kernel.org/r/20240311180015.3359271-4-hao.xiang@linux.dev
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-03-11 16:57:05 -04:00
Steve Sistare
c9539d9b14 migration: purge MigrationState from public interface
Move remaining MigrationState references from the public file
misc.h to the private file migration.h.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Link: https://lore.kernel.org/r/1710179338-294359-12-git-send-email-steven.sistare@oracle.com
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-03-11 16:28:59 -04:00
Steve Sistare
a3ed489336 migration: delete unused accessors
Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Link: https://lore.kernel.org/r/1710179338-294359-11-git-send-email-steven.sistare@oracle.com
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-03-11 16:28:59 -04:00
Steve Sistare
20c64c8a51 migration: migration_file_set_error
Define and export migration_file_set_error to eliminate a dependency
on MigrationState.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Link: https://lore.kernel.org/r/1710179338-294359-9-git-send-email-steven.sistare@oracle.com
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-03-11 16:28:59 -04:00
Steve Sistare
9bb630c6ee migration: migration_is_device
Define and export migration_is_device to eliminate a dependency
on MigrationState.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Link: https://lore.kernel.org/r/1710179338-294359-8-git-send-email-steven.sistare@oracle.com
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-03-11 16:28:59 -04:00
Steve Sistare
6e78563976 migration: migration_thread_is_self
Define and export migration_thread_is_self to eliminate a dependency
on MigrationState.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Link: https://lore.kernel.org/r/1710179338-294359-7-git-send-email-steven.sistare@oracle.com
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-03-11 16:28:59 -04:00
Steve Sistare
714f33123b migration: export vcpu_dirty_limit_period
Define and export vcpu_dirty_limit_period to eliminate a dependency
on MigrationState.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Link: https://lore.kernel.org/r/1710179338-294359-6-git-send-email-steven.sistare@oracle.com
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-03-11 16:28:59 -04:00
Steve Sistare
aeaafb1e59 migration: export migration_is_running
Delete the MigrationState parameter from migration_is_running and move
it to the public API in misc.h.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Link: https://lore.kernel.org/r/1710179338-294359-5-git-send-email-steven.sistare@oracle.com
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-03-11 16:28:59 -04:00
Steve Sistare
3a6813b68c migration: export migration_is_active
Delete the MigrationState parameter from migration_is_active so it
can be exported and used without including migration.h.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Link: https://lore.kernel.org/r/1710179338-294359-4-git-send-email-steven.sistare@oracle.com
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-03-11 16:28:59 -04:00
Steve Sistare
7dcb3c87d8 migration: export migration_is_setup_or_active
Delete the MigrationState parameter from migration_is_setup_or_active
and move it to the public API in misc.h.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Link: https://lore.kernel.org/r/1710179338-294359-3-git-send-email-steven.sistare@oracle.com
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-03-11 16:28:59 -04:00
Steve Sistare
f3bff6c443 migration: export fewer options
A small number of migration options are accessed by migration clients,
but to see them clients must include all of options.h, which is mostly
for migration core code.  migrate_mode() in particular will be needed by
multiple clients.

Refactor the option declarations so clients can see the necessary few via
misc.h, which already exports a portion of the client API.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Link: https://lore.kernel.org/r/1710179319-294320-1-git-send-email-steven.sistare@oracle.com
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-03-11 16:28:59 -04:00
Peter Maydell
67ff703c97 vfio queue:
* Allow cpr-reboot for vfio
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Merge tag 'pull-vfio-20240310' of https://github.com/legoater/qemu into staging

vfio queue:

* Allow cpr-reboot for vfio

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* tag 'pull-vfio-20240310' of https://github.com/legoater/qemu:
  vfio: allow cpr-reboot migration if suspended
  vfio: register container for cpr

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-03-11 18:42:23 +00:00
Cédric Le Goater
ee8bb867ec migration: Add documentation for SaveVMHandlers
The SaveVMHandlers structure is still in use for complex subsystems
and devices. Document the handlers since we are going to modify a few
later.

Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/r/20240304122844.1888308-9-clg@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-03-11 14:41:40 -04:00
Cédric Le Goater
f61efdee1e migration: Remove SaveStateHandler and LoadStateHandler typedefs
They are only used once.

Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/r/20240304122844.1888308-8-clg@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
2024-03-11 14:41:40 -04:00
Ani Sinha
5dd6bfd90d docs: update copyright date to the year 2024
We are already in the third month of 2024 but the copyright notices still refer
to 2023. Update the date to 2024 in documentation and help texts.

Cc: peter.maydell@linaro.org
Cc: qemu-trivial@nongnu.org
Signed-off-by: Ani Sinha <anisinha@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240311120346.9596-1-anisinha@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-03-11 17:21:21 +00:00
Peter Maydell
7489f7f3f8 Misc HW patch queue
- hmp: Shorter 'info qtree' output (Zoltan)
 - qdev: Add a granule_mode property (Eric)
 - Some ERRP_GUARD() fixes (Zhao)
 - Doc & style fixes in docs/interop/firmware.json (Thomas)
 - hw/xen: Housekeeping (Phil)
 - hw/ppc/mac99: Change timebase frequency 25 -> 100 MHz (Mark)
 - hw/intc/apic: Memory leak fix (Paolo)
 - hw/intc/grlib_irqmp: Ensure ncpus value is in range (Clément)
 - hw/m68k/mcf5208: Add support for reset (Angelo)
 - hw/i386/pc: Housekeeping (Phil)
 - hw/core/smp: Remove/deprecate parameter=0,1 adapting test-smp-parse (Zhao)
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Merge tag 'hw-misc-20240309' of https://github.com/philmd/qemu into staging

Misc HW patch queue

- hmp: Shorter 'info qtree' output (Zoltan)
- qdev: Add a granule_mode property (Eric)
- Some ERRP_GUARD() fixes (Zhao)
- Doc & style fixes in docs/interop/firmware.json (Thomas)
- hw/xen: Housekeeping (Phil)
- hw/ppc/mac99: Change timebase frequency 25 -> 100 MHz (Mark)
- hw/intc/apic: Memory leak fix (Paolo)
- hw/intc/grlib_irqmp: Ensure ncpus value is in range (Clément)
- hw/m68k/mcf5208: Add support for reset (Angelo)
- hw/i386/pc: Housekeeping (Phil)
- hw/core/smp: Remove/deprecate parameter=0,1 adapting test-smp-parse (Zhao)

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# Primary key fingerprint: FAAB E75E 1291 7221 DCFD  6BB2 E3E3 2C2C DEAD C0DE

* tag 'hw-misc-20240309' of https://github.com/philmd/qemu: (43 commits)
  hw/m68k/mcf5208: add support for reset
  tests/unit/test-smp-parse: Test "parameter=0" SMP configurations
  tests/unit/test-smp-parse: Test smp_props.has_clusters
  tests/unit/test-smp-parse: Test the full 7-levels topology hierarchy
  tests/unit/test-smp-parse: Test "drawers" and "books" combination case
  tests/unit/test-smp-parse: Test "drawers" parameter in -smp
  tests/unit/test-smp-parse: Test "books" parameter in -smp
  tests/unit/test-smp-parse: Make test cases aware of the book/drawer
  tests/unit/test-smp-parse: Bump max_cpus to 4096
  tests/unit/test-smp-parse: Use CPU number macros in invalid topology case
  tests/unit/test-smp-parse: Drop the unsupported "dies=1" case
  hw/core/machine-smp: Calculate total CPUs once in machine_parse_smp_config()
  hw/core/machine-smp: Deprecate unsupported "parameter=1" SMP configurations
  hw/core/machine-smp: Remove deprecated "parameter=0" SMP configurations
  docs/interop/firmware.json: Fix doc for FirmwareFlashMode
  docs/interop/firmware.json: Align examples
  hw/intc/grlib_irqmp: abort realize when ncpus value is out of range
  mac_newworld: change timebase frequency from 100MHz to 25MHz for mac99 machine
  hmp: Add option to info qtree to omit details
  qdev: Add a granule_mode property
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-03-09 20:12:21 +00:00
Peter Maydell
89126b6dca trivial patches for 2024-03-09
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Merge tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu into staging

trivial patches for 2024-03-09

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# gpg: Signature made Sat 09 Mar 2024 15:57:06 GMT
# gpg:                using RSA key 7B73BAD68BE7A2C289314B22701B4F6B1A693E59
# gpg:                issuer "mjt@tls.msk.ru"
# gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>" [full]
# gpg:                 aka "Michael Tokarev <mjt@corpit.ru>" [full]
# gpg:                 aka "Michael Tokarev <mjt@debian.org>" [full]
# Primary key fingerprint: 6EE1 95D1 886E 8FFB 810D  4324 457C E0A0 8044 65C5
#      Subkey fingerprint: 7B73 BAD6 8BE7 A2C2 8931  4B22 701B 4F6B 1A69 3E59

* tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu:
  docs/acpi/bits: add some clarity and details while also improving formating
  hw/mem/cxl_type3: Fix problem with g_steal_pointer()
  hw/pci-bridge/cxl_upstream: Fix problem with g_steal_pointer()
  hw/cxl/cxl-cdat: Fix type of buf in ct3_load_cdat()
  qerror: QERR_DEVICE_IN_USE is no longer used, drop
  blockdev: Fix block_resize error reporting for op blockers
  char: Slightly better error reporting when chardev is in use
  make-release: switch to .xz format by default
  hw/scsi/lsi53c895a: Fix typo in comment
  hw/vfio/pci.c: Make some structure static
  replay: Improve error messages about configuration conflicts

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-03-09 20:12:05 +00:00
Eric Auger
965bc08310 qdev: Add a granule_mode property
Introduce a new enum type property allowing to set an
IOMMU granule. Values are 4k, 8k, 16k, 64k and host.
This latter indicates the vIOMMU granule will match
the host page size.

A subsequent patch will add such a property to the
virtio-iommu device.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240227165730.14099-2-eric.auger@redhat.com>
2024-03-09 19:17:01 +01:00
Philippe Mathieu-Daudé
988b92f6d0 hw/i386/pc: Remove pc_compat_1_4..1.7[] left over declarations
These definitions were removed in commit ea985d235b
("pc_piix: remove pc-i440fx-1.4 up to pc-i440fx-1.7").

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240301185936.95175-2-philmd@linaro.org>
2024-03-09 18:51:45 +01:00
Philippe Mathieu-Daudé
f28b958cbf hw/xen: Extract 'xen_igd.h' from 'xen_pt.h'
"hw/xen/xen_pt.h" requires "hw/xen/xen_native.h" which is target
specific. It also declares IGD methods, which are not target
specific.

Target-agnostic code can use IGD methods. To allow that, extract
these methos into a new "hw/xen/xen_igd.h" header.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>
Message-Id: <20231114143816.71079-18-philmd@linaro.org>
2024-03-09 18:51:45 +01:00
Philippe Mathieu-Daudé
b934c3fa21 hw/xen: Rename 'ram_memory' global variable as 'xen_memory'
To avoid a potential global variable shadow in
hw/i386/pc_piix.c::pc_init1(), rename Xen's
"ram_memory" as "xen_memory".

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>
Message-Id: <20231114143816.71079-11-philmd@linaro.org>
2024-03-09 18:51:45 +01:00
Philippe Mathieu-Daudé
3e5e5d479e sysemu/xen-mapcache: Check Xen availability with CONFIG_XEN_IS_POSSIBLE
"sysemu/xen.h" defines CONFIG_XEN_IS_POSSIBLE as a target-agnostic
version of CONFIG_XEN accelerator.
Use it in order to use "sysemu/xen-mapcache.h" in target-agnostic files.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>
Message-Id: <20231114143816.71079-4-philmd@linaro.org>
2024-03-09 18:51:45 +01:00
Philippe Mathieu-Daudé
261bbc3b30 sysemu/xen: Forbid using Xen headers in user emulation
Xen is a system specific accelerator, it makes no sense
to include its headers in user emulation.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>
Message-Id: <20231114143816.71079-3-philmd@linaro.org>
2024-03-09 18:51:45 +01:00
Thomas Huth
00691b1f6a hw/mem/cxl_type3: Fix problem with g_steal_pointer()
When setting GLIB_VERSION_MAX_ALLOWED to GLIB_VERSION_2_58 or higher,
glib adds type safety checks to the g_steal_pointer() macro. This
triggers errors in the ct3_build_cdat_entries_for_mr() function which
uses the g_steal_pointer() for type-casting from one pointer type to
the other (which also looks quite weird since the local pointers have
all been declared with g_autofree though they are never freed here).
Fix it by using a proper typecast instead. For making this possible, we
have to remove the QEMU_PACKED attribute from some structs since GCC
otherwise complains that the source and destination pointer might
have different alignment restrictions. Removing the QEMU_PACKED should
be fine here since the structs are already naturally aligned. Anyway,
add some QEMU_BUILD_BUG_ON() statements to make sure that we've got
the right sizes (without padding in the structs).

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-03-09 18:56:37 +03:00
Thomas Huth
c68f81fec8 hw/pci-bridge/cxl_upstream: Fix problem with g_steal_pointer()
When setting GLIB_VERSION_MAX_ALLOWED to GLIB_VERSION_2_58 or higher,
glib adds type safety checks to the g_steal_pointer() macro. This
triggers errors in the build_cdat_table() function which uses the
g_steal_pointer() for type-casting from one pointer type to the other
(which also looks quite weird since the local pointers have all been
declared with g_autofree though they are never freed here). Let's fix
it by using a proper typecast instead. For making this possible, we
have to remove the QEMU_PACKED attribute from some structs since GCC
otherwise complains that the source and destination pointer might
have different alignment restrictions. Removing the QEMU_PACKED should
be fine here since the structs are already naturally aligned. Anyway,
add some QEMU_BUILD_BUG_ON() statements to make sure that we've got
the right sizes (without padding in the structs).

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-03-09 18:56:37 +03:00
Markus Armbruster
b1614f795f qerror: QERR_DEVICE_IN_USE is no longer used, drop
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-03-09 18:56:37 +03:00
Peter Maydell
256f016658 Hyper-V Dynamic Memory and VMBus misc small patches
This pull request contains two small patches to hv-balloon:
 the first one replacing alloca() usage with g_malloc0() + g_autofree
 and the second one adding additional declaration of a protocol message
 struct with an optional field explicitly defined to avoid a Coverity
 warning.
 
 Also included is a VMBus patch to print a warning when it is enabled
 without the recommended set of Hyper-V features (enlightenments) since
 some Windows versions crash at boot in this case.
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Merge tag 'pull-hv-balloon-20240308' of https://github.com/maciejsszmigiero/qemu into staging

Hyper-V Dynamic Memory and VMBus misc small patches

This pull request contains two small patches to hv-balloon:
the first one replacing alloca() usage with g_malloc0() + g_autofree
and the second one adding additional declaration of a protocol message
struct with an optional field explicitly defined to avoid a Coverity
warning.

Also included is a VMBus patch to print a warning when it is enabled
without the recommended set of Hyper-V features (enlightenments) since
some Windows versions crash at boot in this case.

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# gpg: Signature made Fri 08 Mar 2024 16:50:43 GMT
# gpg:                using RSA key E2776AABA08E26FF5A1B4A0952B1D6E951D0CE07
# gpg: Good signature from "Maciej S. Szmigiero <mail@maciej.szmigiero.name>" [unknown]
# 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: 727A 0D4D DB9E D9F6 039B  ECEF 847F 5E37 90CE 0977
#      Subkey fingerprint: E277 6AAB A08E 26FF 5A1B  4A09 52B1 D6E9 51D0 CE07

* tag 'pull-hv-balloon-20240308' of https://github.com/maciejsszmigiero/qemu:
  vmbus: Print a warning when enabled without the recommended set of features
  hv-balloon: define dm_hot_add_with_region to avoid Coverity warning
  hv-balloon: avoid alloca() usage

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-03-09 15:01:33 +00:00
Steve Sistare
0cb51c183a vfio: allow cpr-reboot migration if suspended
Allow cpr-reboot for vfio if the guest is in the suspended runstate.  The
guest drivers' suspend methods flush outstanding requests and re-initialize
the devices, and thus there is no device state to save and restore.  The
user is responsible for suspending the guest before initiating cpr, such as
by issuing guest-suspend-ram to the qemu guest agent.

Relax the vfio blocker so it does not apply to cpr, and add a notifier that
verifies the guest is suspended.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
2024-03-08 22:10:13 +01:00
Steve Sistare
d9fa4223b3 vfio: register container for cpr
Define entry points to perform per-container cpr-specific initialization
and teardown.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
2024-03-08 22:10:13 +01:00
Peter Maydell
a146c6f88c target-arm queue:
* Implement FEAT_ECV
  * STM32L4x5: Implement GPIO device
  * Fix 32-bit SMOPA
  * Refactor v7m related code from cpu32.c into its own file
  * hw/rtc/sun4v-rtc: Relicense to GPLv2-or-later
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Merge tag 'pull-target-arm-20240308' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
 * Implement FEAT_ECV
 * STM32L4x5: Implement GPIO device
 * Fix 32-bit SMOPA
 * Refactor v7m related code from cpu32.c into its own file
 * hw/rtc/sun4v-rtc: Relicense to GPLv2-or-later

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# gpg: Signature made Fri 08 Mar 2024 15:49:49 GMT
# gpg:                using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# gpg:                 aka "Peter Maydell <peter@archaic.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* tag 'pull-target-arm-20240308' of https://git.linaro.org/people/pmaydell/qemu-arm:
  target/arm: Move v7m-related code from cpu32.c into a separate file
  hw/rtc/sun4v-rtc: Relicense to GPLv2-or-later
  target/arm: Fix 32-bit SMOPA
  tests/qtest: Add STM32L4x5 GPIO QTest testcase
  hw/arm: Connect STM32L4x5 GPIO to STM32L4x5 SoC
  hw/gpio: Implement STM32L4x5 GPIO
  target/arm: Enable FEAT_ECV for 'max' CPU
  target/arm: Implement FEAT_ECV CNTPOFF_EL2 handling
  target/arm: Define CNTPCTSS_EL0 and CNTVCTSS_EL0
  target/arm: Implement new FEAT_ECV trap bits
  target/arm: Don't allow RES0 CNTHCTL_EL2 bits to be written
  target/arm: use FIELD macro for CNTHCTL bit definitions
  target/arm: Timer _EL02 registers UNDEF for E2H == 0
  target/arm: Move some register related defines to internals.h

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-03-08 18:19:09 +00:00
Maciej S. Szmigiero
6093637b4d vmbus: Print a warning when enabled without the recommended set of features
Some Windows versions crash at boot or fail to enable the VMBus device if
they don't see the expected set of Hyper-V features (enlightenments).

Since this provides poor user experience let's warn user if the VMBus
device is enabled without the recommended set of Hyper-V features.

The recommended set is the minimum set of Hyper-V features required to make
the VMBus device work properly in Windows Server versions 2016, 2019 and
2022.

Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
2024-03-08 14:18:56 +01:00
Maciej S. Szmigiero
546987284a hv-balloon: define dm_hot_add_with_region to avoid Coverity warning
Since the presence of a hot add memory region is optional in hot add
request message it wasn't part of this message declaration
(struct dm_hot_add).

Instead, the code allocated such enlarged message by simply adding the
necessary size for this extra field to the size of basic hot add message
struct.

However, Coverity considers accessing this extra member to be
an out-of-bounds access, even thought the memory is actually there.

Fix this by adding an extended variant of this message that explicitly has
an additional union dm_mem_page_range at its end.

CID: #1523903
Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
2024-03-08 14:18:56 +01:00
Daniel Henrique Barboza
6a02465f91 linux-headers: Update to Linux v6.8-rc6
The idea with this update is to get the latest KVM caps for RISC-V.

Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240304134732.386590-2-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2024-03-08 20:48:03 +10:00
Sia Jee Heng
7dd0b070fa hw/arm/virt-acpi-build.c: Migrate SPCR creation to common location
RISC-V should also generate the SPCR in a manner similar to ARM.
Therefore, instead of replicating the code, relocate this function
to the common AML build.

Signed-off-by: Sia Jee Heng <jeeheng.sia@starfivetech.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20240129021440.17640-2-jeeheng.sia@starfivetech.com>
[ Changes by AF:
 - Add missing Language SPCR entry
]
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
2024-03-08 15:38:46 +10:00
Peter Maydell
fd7f95f23d hw/rtc/sun4v-rtc: Relicense to GPLv2-or-later
The sun4v RTC device model added under commit a0e893039c in 2016
was unfortunately added with a license of GPL-v3-or-later, which is
not compatible with other QEMU code which has a GPL-v2-only license.

Relicense the code in the .c and the .h file to GPL-v2-or-later,
to make it compatible with the rest of QEMU.

Cc: qemu-stable@nongnu.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini (for Red Hat) <pbonzini@redhat.com>
Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Acked-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20240223161300.938542-1-peter.maydell@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-03-07 12:54:56 +00:00
Inès Varhol
1c38129de8 hw/arm: Connect STM32L4x5 GPIO to STM32L4x5 SoC
Signed-off-by: Arnaud Minier <arnaud.minier@telecom-paris.fr>
Signed-off-by: Inès Varhol <ines.varhol@telecom-paris.fr>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20240305210444.310665-3-ines.varhol@telecom-paris.fr
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-03-07 12:19:25 +00:00
Inès Varhol
1cdcfb6e93 hw/gpio: Implement STM32L4x5 GPIO
Features supported :
- the 8 STM32L4x5 GPIOs are initialized with their reset values
    (except IDR, see below)
- input mode : setting a pin in input mode "externally" (using input
    irqs) results in an out irq (transmitted to SYSCFG)
- output mode : setting a bit in ODR sets the corresponding out irq
    (if this line is configured in output mode)
- pull-up, pull-down
- push-pull, open-drain

Difference with the real GPIOs :
- Alternate Function and Analog mode aren't implemented :
    pins in AF/Analog behave like pins in input mode
- floating pins stay at their last value
- register IDR reset values differ from the real one :
    values are coherent with the other registers reset values
    and the fact that AF/Analog modes aren't implemented
- setting I/O output speed isn't supported
- locking port bits isn't supported
- ADC function isn't supported
- GPIOH has 16 pins instead of 2 pins
- writing to registers LCKR, AFRL, AFRH and ASCR is ineffective

Signed-off-by: Arnaud Minier <arnaud.minier@telecom-paris.fr>
Signed-off-by: Inès Varhol <ines.varhol@telecom-paris.fr>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20240305210444.310665-2-ines.varhol@telecom-paris.fr
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-03-07 12:19:25 +00:00
Alex Bennée
83b4613ba8 disas: introduce show_opcodes
For plugins we don't expect the raw opcodes in the disassembly. We
already deal with this by hand crafting our capstone call but for
other diassemblers we need a flag. Introduce show_opcodes which
defaults to off.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240305121005.3528075-27-alex.bennee@linaro.org>
2024-03-06 12:35:51 +00:00
Pierrick Bouvier
fba3b490a2 plugins: remove non per_vcpu inline operation from API
Now we have a thread-safe equivalent of inline operation, and that all
plugins were changed to use it, there is no point to keep the old API.

In more, it will help when we implement more functionality (conditional
callbacks), as we can assume that we operate on a scoreboard.

API version bump was already done as part of this series.

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: <20240304130036.124418-12-pierrick.bouvier@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240305121005.3528075-25-alex.bennee@linaro.org>
2024-03-06 12:35:46 +00:00
Pierrick Bouvier
0bcebaba45 plugins: add inline operation per vcpu
Extends API with three new functions:
qemu_plugin_register_vcpu_{tb, insn, mem}_exec_inline_per_vcpu().

Those functions takes a qemu_plugin_u64 as input.

This allows to have a thread-safe and type-safe version of inline
operations.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240304130036.124418-5-pierrick.bouvier@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240305121005.3528075-18-alex.bennee@linaro.org>
2024-03-06 12:35:29 +00:00