A bunch of improvements:
- vhost dirty log is now only scanned once, not once per device
- virtio and vhost now support VIRTIO_F_NOTIFICATION_DATA
- cxl gained DCD emulation support
- pvpanic gained shutdown support
- beginning of patchset for Generic Port Affinity Structure
- s3 support
- friendlier error messages when boot fails on some illegal configs
- for vhost-user, VHOST_USER_SET_LOG_BASE is now only sent once
- part of vhost-user support for any POSIX system -
not yet enabled due to qtest failures
- sr-iov VF setup code has been reworked significantly
- new tests, particularly for risc-v ACPI
- bugfixes
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging
virtio: features,fixes
A bunch of improvements:
- vhost dirty log is now only scanned once, not once per device
- virtio and vhost now support VIRTIO_F_NOTIFICATION_DATA
- cxl gained DCD emulation support
- pvpanic gained shutdown support
- beginning of patchset for Generic Port Affinity Structure
- s3 support
- friendlier error messages when boot fails on some illegal configs
- for vhost-user, VHOST_USER_SET_LOG_BASE is now only sent once
- part of vhost-user support for any POSIX system -
not yet enabled due to qtest failures
- sr-iov VF setup code has been reworked significantly
- new tests, particularly for risc-v ACPI
- bugfixes
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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# gpg: Signature made Wed 03 Jul 2024 03:41:51 PM PDT
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [undefined]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [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: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (85 commits)
hw/pci: Replace -1 with UINT32_MAX for romsize
pcie_sriov: Register VFs after migration
pcie_sriov: Remove num_vfs from PCIESriovPF
pcie_sriov: Release VFs failed to realize
pcie_sriov: Reuse SR-IOV VF device instances
pcie_sriov: Ensure VF function number does not overflow
pcie_sriov: Do not manually unrealize
hw/ppc/spapr_pci: Do not reject VFs created after a PF
hw/ppc/spapr_pci: Do not create DT for disabled PCI device
hw/pci: Rename has_power to enabled
virtio-iommu: Clear IOMMUDevice when VFIO device is unplugged
virtio: remove virtio_tswap16s() call in vring_packed_event_read()
hw/cxl/events: Mark cxl-add-dynamic-capacity and cxl-release-dynamic-capcity unstable
hw/cxl/events: Improve QMP interfaces and documentation for add/release dynamic capacity.
tests/data/acpi/rebuild-expected-aml.sh: Add RISC-V
pc-bios/meson.build: Add support for RISC-V in unpack_edk2_blobs
meson.build: Add RISC-V to the edk2-target list
tests/data/acpi/virt: Move ARM64 ACPI tables under aarch64/${machine} path
tests/data/acpi: Move x86 ACPI tables under x86/${machine} path
tests/qtest/bios-tables-test.c: Set "arch" for x86 tests
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The initial virtio-net-ccw devices currently do not have a proper parent
in the QOM tree, so they show up under /machine/unattached - which is
somewhat ugly. Let's attach them to /machine/virtual-css-bridge/virtual-css
instead.
Message-ID: <20240701200108.154271-1-thuth@redhat.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Migration of a s390x guest with TCG was long known to be very unstable,
so the tests in tests/qtest/migration-test.c are disabled if running
with TCG instead of KVM.
Nicholas Piggin did a great analysis of the problem:
"The flic pending state is not migrated, so if the machine is migrated
while an interrupt is pending, it can be lost. This shows up in
qtest migration test, an extint is pending (due to console writes?)
and the CPU waits via s390_cpu_set_psw and expects the interrupt to
wake it. However when the flic pending state is lost, s390_cpu_has_int
returns false, so s390_cpu_exec_interrupt falls through to halting
again."
Thus let's finally migrate the pending state, and to be on the safe
side, also the other state variables of the QEMUS390FLICState structure.
Message-ID: <20240619144421.261342-1-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This calls the MACHINE_VER_DELETION() macro in the machine type
registration method, so that when a versioned machine type reaches
the end of its life, it is no longer registered with QOM and thus
cannot be used.
The actual definition of the machine type should be deleted at
this point, but experience shows that can easily be forgotten.
By skipping registration the manual code deletion task can be
done at any later date.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240620165742.1711389-12-berrange@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
This calls the MACHINE_VER_DEPRECATION() macro in the definition of
all machine type classes which support versioning. This ensures
that they will automatically get deprecation info set when they
reach the appropriate point in their lifecycle.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240620165742.1711389-11-berrange@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
This changes the DEFINE_CCW_MACHINE macro to use the common
helpers for constructing versioned symbol names and strings,
bringing greater consistency across targets.
The added benefit is that it avoids the need to repeat the
version number twice in two different formats in the calls
to DEFINE_CCW_MACHINE.
A DEFINE_CCW_MACHINE_AS_LATEST helper is added so that it
is not required to pass 'false' for every single historical
machine type.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240620165742.1711389-4-berrange@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Add support to virtio-ccw devices for handling the extra data sent from
the driver to the device when the VIRTIO_F_NOTIFICATION_DATA transport
feature has been negotiated.
The extra data that's passed to the virtio-ccw device when this feature
is enabled varies depending on the device's virtqueue layout.
That data passed to the virtio-ccw device is in the same format as the
data passed to virtio-pci devices.
Signed-off-by: Jonah Palmer <jonah.palmer@oracle.com>
Message-Id: <20240315165557.26942-5-jonah.palmer@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The oldest model that IBM still supports is the z13. Considering
that each generation can "emulate" the previous two generations
in hardware (via the "IBC" feature of the CPUs), this means that
everything that is older than z114/196 is not an officially supported
CPU model anymore. The Linux kernel still support the z10, so if
we also take this into account, everything older than that can
definitely be considered as a legacy CPU model.
For downstream builds of QEMU, we would like to be able to disable
these legacy CPUs in the build. Thus add a CONFIG switch that can be
used to disable them (and old machine types that use them by default).
Message-Id: <20240614125019.588928-1-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Since the realize() handler of S390CCWDeviceClass takes an 'Error **'
argument, best practices suggest to return a bool. See the api/error.h
Rules section. While at it, modify the call in vfio_ccw_realize().
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Anthony Krowiak <akrowiak@linux.ibm.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240522170107.289532-5-clg@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Use the 'Error **errp' argument of s390_ccw_realize() instead and
remove the error_propagate() call.
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Anthony Krowiak <akrowiak@linux.ibm.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240522170107.289532-4-clg@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Since the realize() handler of CCWDeviceClass takes an 'Error **'
argument, best practices suggest to return a bool. See the api/error.h
Rules section. While at it, modify the call in s390_ccw_realize().
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Anthony Krowiak <akrowiak@linux.ibm.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240522170107.289532-3-clg@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Since s390_ccw_get_dev_info() takes an 'Error **' argument, best
practices suggest to return a bool. See the qapi/error.h Rules
section. While at it, modify the call in s390_ccw_realize().
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Anthony Krowiak <akrowiak@linux.ibm.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240522170107.289532-2-clg@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
s390_skeys_set() dispatch to S390SKeysClass::set_skeys(),
and s390_skeys_get() to S390SKeysClass::get_skeys().
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20240613104415.9643-2-philmd@linaro.org>
The CSS subsystem uses global variables, just face the truth and use
a variable also for whether the CSS vmstate is in use; remove the
indirection of fetching it from the machine type, which makes the
TCG code depend unnecessarily on the virtio-ccw machine.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20240509170044.190795-4-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Instead of mucking with css_migration_enabled(), add a property specific to
the FLIC device, similar to what is done for TYPE_S390_STATTRIB.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240509170044.190795-3-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This function has no dependency on the virtio-ccw machine type, though it
assumes that the CPU address corresponds to the core_id and the index.
If there is any need of something different or more fancy (unlikely)
S390 can include a MachineClass subclass and implement it there. For
now, move it to sigp.c for simplicity.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240509170044.190795-2-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
get_sclp_device() scans the whole machine to find a TYPE_SCLP object.
Now that the SCLPDevice instance is available under the machine state,
use it to simplify the lookup. While at it, remove the inline to let
the compiler decide on how to optimize.
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Message-ID: <20240502131533.377719-4-clg@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
sclp_get_event_facility_bus() scans the whole machine to find a
TYPE_SCLP_EVENTS_BUS object. The SCLPDevice instance is now available
under the machine state, use it to simplify the lookup and adjust the
creation of the consoles.
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Message-ID: <20240502131533.377719-3-clg@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Initialize directly SCLPDevice from the machine init handler and
remove s390_sclp_init(). We will use the SCLPDevice pointer later to
create the consoles.
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Message-ID: <20240502131533.377719-2-clg@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The sclpconsole currently does not have a proper parent in the QOM
tree, so it shows up under /machine/unattached - which is somewhat
ugly. We should rather attach it to /machine/sclp/s390-sclp-event-facility
where the other devices of type TYPE_SCLP_EVENT already reside.
Message-ID: <20240430190843.453903-1-thuth@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Some targets use "default y" for boards to filter out those that require
TCG. For consistency we are switching all other targets to do the same.
Continue with s390.
No changes to generated config-devices.mak file.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* Implement FEAT_NMI and NMI support in the GICv3
* hw/dma: avoid apparent overflow in soc_dma_set_request
* linux-user/flatload.c: Remove unused bFLT shared-library and ZFLAT code
* Add ResetType argument to Resettable hold and exit phase methods
* Add RESET_TYPE_SNAPSHOT_LOAD ResetType
* Implement STM32L4x5 USART
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Merge tag 'pull-target-arm-20240425' of https://git.linaro.org/people/pmaydell/qemu-arm into staging
target-arm queue:
* Implement FEAT_NMI and NMI support in the GICv3
* hw/dma: avoid apparent overflow in soc_dma_set_request
* linux-user/flatload.c: Remove unused bFLT shared-library and ZFLAT code
* Add ResetType argument to Resettable hold and exit phase methods
* Add RESET_TYPE_SNAPSHOT_LOAD ResetType
* Implement STM32L4x5 USART
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# gpg: Signature made Thu 25 Apr 2024 03:36:03 AM PDT
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [full]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [full]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [full]
# gpg: aka "Peter Maydell <peter@archaic.org.uk>" [unknown]
* tag 'pull-target-arm-20240425' of https://git.linaro.org/people/pmaydell/qemu-arm: (37 commits)
tests/qtest: Add tests for the STM32L4x5 USART
hw/arm: Add the USART to the stm32l4x5 SoC
hw/char/stm32l4x5_usart: Add options for serial parameters setting
hw/char/stm32l4x5_usart: Enable serial read and write
hw/char: Implement STM32L4x5 USART skeleton
reset: Add RESET_TYPE_SNAPSHOT_LOAD
docs/devel/reset: Update to new API for hold and exit phase methods
hw, target: Add ResetType argument to hold and exit phase methods
scripts/coccinelle: New script to add ResetType to hold and exit phases
allwinner-i2c, adm1272: Use device_cold_reset() for software-triggered reset
hw/misc: Don't special case RESET_TYPE_COLD in npcm7xx_clk, gcr
linux-user/flatload.c: Remove unused bFLT shared-library and ZFLAT code
hw/dma: avoid apparent overflow in soc_dma_set_request
hw/arm/virt: Enable NMI support in the GIC if the CPU has FEAT_NMI
target/arm: Add FEAT_NMI to max
hw/intc/arm_gicv3: Report the VINMI interrupt
hw/intc/arm_gicv3: Report the NMI interrupt in gicv3_cpuif_update()
hw/intc/arm_gicv3: Implement NMI interrupt priority
hw/intc/arm_gicv3: Handle icv_nmiar1_read() for icc_nmiar1_read()
hw/intc/arm_gicv3: Add NMI handling CPU interface registers
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
"cpu.h" is implicitly included. Include it explicitly to
avoid the following error when refactoring headers:
hw/s390x/s390-stattrib.c:86:40: error: use of undeclared identifier 'TARGET_PAGE_SIZE'
len = sac->peek_stattr(sas, addr / TARGET_PAGE_SIZE, buflen, vals);
^
hw/s390x/s390-stattrib.c:94:58: error: use of undeclared identifier 'TARGET_PAGE_MASK'
addr / TARGET_PAGE_SIZE, len, addr & ~TARGET_PAGE_MASK);
^
hw/s390x/s390-stattrib.c:224:40: error: use of undeclared identifier 'TARGET_PAGE_BITS'
qemu_put_be64(f, (start_gfn << TARGET_PAGE_BITS) | STATTR_FLAG_MORE);
^
In file included from hw/s390x/s390-virtio-ccw.c:17:
hw/s390x/s390-virtio-hcall.h:22:27: error: unknown type name 'CPUS390XState'
int s390_virtio_hypercall(CPUS390XState *env);
^
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Eric Farman <farman@linux.ibm.com>
Message-ID: <20240322162822.7391-1-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
We pass a ResetType argument to the Resettable class enter
phase method, but we don't pass it to hold and exit, even though
the callsites have it readily available. This means that if
a device cared about the ResetType it would need to record it
in the enter phase method to use later on. Pass the type to
all three of the phase methods to avoid having to do that.
Commit created with
for dir in hw target include; do \
spatch --macro-file scripts/cocci-macro-file.h \
--sp-file scripts/coccinelle/reset-type.cocci \
--keep-comments --smpl-spacing --in-place \
--include-headers --dir $dir; done
and no manual edits.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Luc Michel <luc.michel@amd.com>
Message-id: 20240412160809.1260625-5-peter.maydell@linaro.org
- Het's new test cases for "channels"
- Het's fix for a typo for vsock parsing
- Cedric's VFIO error report series
- Cedric's one more patch for dirty-bitmap error reports
- Zhijian's rdma deprecation patch
- Yuan's zeropage optimization to fix double faults on anon mem
- Zhijian's COLO fix on a crash
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Merge tag 'migration-20240423-pull-request' of https://gitlab.com/peterx/qemu into staging
Migration pull for 9.1
- Het's new test cases for "channels"
- Het's fix for a typo for vsock parsing
- Cedric's VFIO error report series
- Cedric's one more patch for dirty-bitmap error reports
- Zhijian's rdma deprecation patch
- Yuan's zeropage optimization to fix double faults on anon mem
- Zhijian's COLO fix on a crash
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# gpg: Signature made Tue 23 Apr 2024 03:37:19 PM PDT
# gpg: using EDDSA key B9184DC20CC457DACF7DD1A93B5FCCCDF3ABD706
# gpg: issuer "peterx@redhat.com"
# gpg: Good signature from "Peter Xu <xzpeter@gmail.com>" [unknown]
# gpg: aka "Peter Xu <peterx@redhat.com>" [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: B918 4DC2 0CC4 57DA CF7D D1A9 3B5F CCCD F3AB D706
* tag 'migration-20240423-pull-request' of https://gitlab.com/peterx/qemu: (26 commits)
migration/colo: Fix bdrv_graph_rdlock_main_loop: Assertion `!qemu_in_coroutine()' failed.
migration/multifd: solve zero page causing multiple page faults
migration: Add Error** argument to add_bitmaps_to_list()
migration: Modify ram_init_bitmaps() to report dirty tracking errors
migration: Add Error** argument to xbzrle_init()
migration: Add Error** argument to ram_state_init()
memory: Add Error** argument to the global_dirty_log routines
migration: Introduce ram_bitmaps_destroy()
memory: Add Error** argument to .log_global_start() handler
migration: Add Error** argument to .load_setup() handler
migration: Add Error** argument to .save_setup() handler
migration: Add Error** argument to qemu_savevm_state_setup()
migration: Add Error** argument to vmstate_save()
migration: Always report an error in ram_save_setup()
migration: Always report an error in block_save_setup()
vfio: Always report an error in vfio_save_setup()
s390/stattrib: Add Error** argument to set_migrationmode() handler
tests/qtest/migration: Fix typo for vsock in SocketAddress_to_str
tests/qtest/migration: Add negative tests to validate migration QAPIs
tests/qtest/migration: Add multifd_tcp_plain test using list of channels instead of uri
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The purpose is to record a potential error in the migration stream if
qemu_savevm_state_setup() fails. Most of the current .save_setup()
handlers can be modified to use the Error argument instead of managing
their own and calling locally error_report().
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Harsh Prateek Bora <harshpb@linux.ibm.com>
Cc: Halil Pasic <pasic@linux.ibm.com>
Cc: Thomas Huth <thuth@redhat.com>
Cc: Eric Blake <eblake@redhat.com>
Cc: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Cc: John Snow <jsnow@redhat.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/r/20240320064911.545001-8-clg@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
This will prepare ground for future changes adding an Error** argument
to the save_setup() handler. We need to make sure that on failure,
set_migrationmode() always sets a new error. See the Rules section in
qapi/error.h.
Cc: Halil Pasic <pasic@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: Thomas Huth <thuth@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/r/20240320064911.545001-2-clg@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Use unified confidential_guest_kvm_init() for consistency with
other architectures.
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Message-Id: <20240229060038.606591-1-xiaoyao.li@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Do not accept any Object for CPUArchId::cpu field,
restrict it to CPUState type.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240129164514.73104-3-philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Since the commit 05e385d2a9 ("error: Move ERRP_GUARD() to the beginning
of the function"), there are new codes that don't put ERRP_GUARD() at
the beginning of the functions.
As stated in the commit 05e385d2a9: "include/qapi/error.h advises to put
ERRP_GUARD() right at the beginning of the function, because only then
can it guard the whole function.", so clean up the few spots
disregarding the advice.
Inspired-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240312060337.3240965-1-zhao1.liu@linux.intel.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Switch the s390x virtual-css bus from using BusClass::reset to the
Resettable interface.
This has no behavioural change, because the BusClass code to support
subclasses that use the legacy BusClass::reset will call that method
in the hold phase of 3-phase reset.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Cédric Le Goater <clg@redhat.com>
Acked-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
Tested-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Halil Pasic <pasic@linux.ibm.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-id: 20240119163512.3810301-5-peter.maydell@linaro.org
cpu_class_init() is specific to s390x SCLP, so rename
it as sclp_cpu_class_init() (as other names in this file)
to ease navigating the code.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Message-ID: <20240111120221.35072-4-philmd@linaro.org>
ISM devices are sensitive to manipulation of the IOMMU, so the ISM device
needs to be reset before the vfio-pci device is reset (triggering a full
UNMAP). In order to ensure this occurs, trigger ISM device resets from
subsystem_reset before triggering the PCI bus reset (which will also
trigger vfio-pci reset). This only needs to be done for ISM devices
which were enabled for use by the guest.
Further, ensure that AIF is disabled as part of the reset event.
Fixes: ef1535901a ("s390x: do a subsystem reset before the unprotect on reboot")
Fixes: 03451953c7 ("s390x/pci: reset ISM passthrough devices on shutdown and system reset")
Reported-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Message-ID: <20240118185151.265329-4-mjrosato@linux.ibm.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Typically we refresh the host fh during CLP enable, however it's possible
that the device goes through multiple reset events before the guest
performs another CLP enable. Let's handle this for now by refreshing the
host handle from vfio before disabling aif.
Fixes: 03451953c7 ("s390x/pci: reset ISM passthrough devices on shutdown and system reset")
Reported-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Message-ID: <20240118185151.265329-3-mjrosato@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Use a flag to keep track of whether AIF is currently enabled. This can be
used to avoid enabling/disabling AIF multiple times as well as to determine
whether or not it should be disabled during reset processing.
Fixes: d0bc7091c2 ("s390x/pci: enable adapter event notification for interpreted devices")
Reported-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Message-ID: <20240118185151.265329-2-mjrosato@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
As commit 3e015d815b ("use g_path_get_basename instead of basename")
said, g_path_get_dirname() should be preferred over dirname() since
the former is a portable utility function that has the advantage of not
modifying the string argument.
Replace dirname() with g_path_get_dirname().
Suggested-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Message-ID: <20231221171921.57784-3-zhao1.liu@linux.intel.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
g_path_get_basename() is a portable utility function that has the
advantage of not modifying the string argument, so it should be
preferred over basename().
And also to avoid potential compile breakage with the Musl C library
similar to [1], replace basename() with g_path_get_basename().
[1]: https://lore.kernel.org/all/20231212010228.2701544-1-raj.khem@gmail.com/
Suggested-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Message-ID: <20231221171921.57784-2-zhao1.liu@linux.intel.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
It's a common scenario to copy guest images from one host to another
to run the guest on the other machine. This (of course) does not work
with "secure execution" guests since they are encrypted with one certain
host key. However, if you still (accidentally) do it, you only get a
very user-unfriendly error message that looks like this:
qemu-system-s390x: KVM PV command 2 (KVM_PV_SET_SEC_PARMS) failed:
header rc 108 rrc 5 IOCTL rc: -22
Let's provide at least a somewhat nicer hint to the users so that they
are able to figure out what might have gone wrong.
Buglink: https://issues.redhat.com/browse/RHEL-18212
Message-ID: <20240110142916.850605-1-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The Big QEMU Lock (BQL) has many names and they are confusing. The
actual QemuMutex variable is called qemu_global_mutex but it's commonly
referred to as the BQL in discussions and some code comments. The
locking APIs, however, are called qemu_mutex_lock_iothread() and
qemu_mutex_unlock_iothread().
The "iothread" name is historic and comes from when the main thread was
split into into KVM vcpu threads and the "iothread" (now called the main
loop thread). I have contributed to the confusion myself by introducing
a separate --object iothread, a separate concept unrelated to the BQL.
The "iothread" name is no longer appropriate for the BQL. Rename the
locking APIs to:
- void bql_lock(void)
- void bql_unlock(void)
- bool bql_locked(void)
There are more APIs with "iothread" in their names. Subsequent patches
will rename them. There are also comments and documentation that will be
updated in later patches.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Acked-by: Fabiano Rosas <farosas@suse.de>
Acked-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Acked-by: Peter Xu <peterx@redhat.com>
Acked-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Acked-by: Hyman Huang <yong.huang@smartx.com>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-id: 20240102153529.486531-2-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* Some header clean-ups by Philippe
* Restrict type names to alphanumerical range (and a few special characters)
* Fix analyze-migration.py script on s390x
* Clean up and improve some tests
* Document handling of commas in CLI options parameters
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Merge tag 'pull-request-2023-12-20' of https://gitlab.com/thuth/qemu into staging
* Add compat machines for QEMU 9.0
* Some header clean-ups by Philippe
* Restrict type names to alphanumerical range (and a few special characters)
* Fix analyze-migration.py script on s390x
* Clean up and improve some tests
* Document handling of commas in CLI options parameters
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# gpg: Signature made Wed 20 Dec 2023 04:36:11 EST
# 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-2023-12-20' of https://gitlab.com/thuth/qemu:
tests/unit/test-qmp-event: Replace fixture by global variables
tests/unit/test-qmp-event: Simplify event emission check
tests/unit/test-qmp-event: Drop superfluous mutex
tests/qtest/npcm7xx_pwm-test: Only do full testing in slow mode
qemu-options: Clarify handling of commas in options parameters
tests/qtest/migration-test: Fix analyze-migration.py for s390x
qom/object: Limit type names to alphanumerical and some few special characters
tests/unit/test-io-task: Rename "qemu:dummy" to avoid colon in the name
memory: Remove "qemu:" prefix from the "qemu:ram-discard-manager" type name
hw: Replace anti-social QOM type names (again)
docs/system/arm: Fix for rename of type "xlnx.bbram-ctrl"
target: Restrict 'sysemu/reset.h' to system emulation
hw/s390x/ipl: Remove unused 'exec/exec-all.h' included header
hw/misc/mips_itu: Remove unnecessary 'exec/exec-all.h' header
hw/ppc/spapr_hcall: Remove unused 'exec/exec-all.h' included header
system/qtest: Restrict QTest API to system emulation
system/qtest: Include missing 'hw/core/cpu.h' header
MAINTAINERS: Add some more vmware-related files to the corresponding section
hw: Add compat machines for 9.0
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20231212113640.30287-4-philmd@linaro.org>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
If the host kernel lacks vfio DMA limit reporting, do not attempt
to shrink the guest DMA aperture.
Fixes: df202e3ff3 ("s390x/pci: shrink DMA aperture to be bound by vfio DMA limit")
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Message-ID: <20231110175108.465851-3-mjrosato@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
