| 848ca151 | 10-Sep-2024 |
Pierrick Bouvier <pierrick.bouvier@linaro.org> |
hw/core: replace assert(0) with g_assert_not_reached()
Use of assert(false) can trip spurious control flow warnings from some versions of GCC (i.e. using -fsanitize=thread with gcc-12):
error: co
hw/core: replace assert(0) with g_assert_not_reached()
Use of assert(false) can trip spurious control flow warnings from some versions of GCC (i.e. using -fsanitize=thread with gcc-12):
error: control reaches end of non-void function [-Werror=return-type] default: assert(0); | } | ^
Solve that by unifying the code base on g_assert_not_reached() instead.
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-ID: <20240910221606.1817478-6-pierrick.bouvier@linaro.org> [PMD: Add description suggested by Eric Blake] Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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| b3134875 | 13-Sep-2024 |
Peter Maydell <peter.maydell@linaro.org> |
hw/core/resettable: Remove transitional_function machinery
We used to need the transitional_function machinery to handle bus classes and device classes which still used their legacy reset handling.
hw/core/resettable: Remove transitional_function machinery
We used to need the transitional_function machinery to handle bus classes and device classes which still used their legacy reset handling. We have now converted all bus classes to three phase reset, and simplified the device class legacy reset so it is just an adapting wrapper function around registration of a hold phase method. There are therefore no more users of the transitional_function machinery and we can remove it.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20240830145812.1967042-12-peter.maydell@linaro.org
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| 5fdb6cd2 | 13-Sep-2024 |
Peter Maydell <peter.maydell@linaro.org> |
hw/core/qdev: Simplify legacy_reset handling
Now that all devices which still implement a the legacy reset method register it via device_class_legacy_reset(), we can simplify the handling of these d
hw/core/qdev: Simplify legacy_reset handling
Now that all devices which still implement a the legacy reset method register it via device_class_legacy_reset(), we can simplify the handling of these devices. Instead of using the complex Resettable::get_transitional_function machinery, we register a hold phase method which invokes the DeviceClass::legacy_reset method.
This will allow us to remove all the get_transitional_function handling from resettable.c.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-id: 20240830145812.1967042-11-peter.maydell@linaro.org
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| b5fe9bf2 | 13-Sep-2024 |
Peter Maydell <peter.maydell@linaro.org> |
hw: Remove device_phases_reset()
Currently we have transitional machinery between legacy reset and three phase reset that works in two directions: * if you invoke three phase reset on a device whic
hw: Remove device_phases_reset()
Currently we have transitional machinery between legacy reset and three phase reset that works in two directions: * if you invoke three phase reset on a device which has set the DeviceClass::legacy_reset method, we detect this in device_get_transitional_reset() and arrange that we call the legacy_reset method during the hold phase of reset * if you invoke legacy reset on a device which implements three phase reset, the default legacy_reset method is device_phases_reset(), which does a three-phase reset of the device
However, we have now eliminated all the places which could invoke legacy reset on a device, which means that the function device_phases_reset() is never called -- it serves only as the value of DeviceClass::legacy_reset that indicates that the subclass never overrode the legacy reset method. So we can delete it, and instead check for legacy_reset != NULL.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20240830145812.1967042-10-peter.maydell@linaro.org
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| 1000872d | 13-Sep-2024 |
Peter Maydell <peter.maydell@linaro.org> |
hw: Rename DeviceClass::reset field to legacy_reset
Rename the DeviceClass::reset field to legacy_reset; this is helpful both in flagging up that it's best not used in new code and in making it easy
hw: Rename DeviceClass::reset field to legacy_reset
Rename the DeviceClass::reset field to legacy_reset; this is helpful both in flagging up that it's best not used in new code and in making it easy to search for where it's being used still.
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: 20240830145812.1967042-9-peter.maydell@linaro.org
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| e3d08143 | 13-Sep-2024 |
Peter Maydell <peter.maydell@linaro.org> |
hw: Use device_class_set_legacy_reset() instead of opencoding
Use device_class_set_legacy_reset() instead of opencoding an assignment to DeviceClass::reset. This change was produced with: spatch --
hw: Use device_class_set_legacy_reset() instead of opencoding
Use device_class_set_legacy_reset() instead of opencoding an assignment to DeviceClass::reset. This change was produced with: spatch --macro-file scripts/cocci-macro-file.h \ --sp-file scripts/coccinelle/device-reset.cocci \ --keep-comments --smpl-spacing --in-place --dir hw
Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20240830145812.1967042-8-peter.maydell@linaro.org
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| 134e0944 | 13-Sep-2024 |
Peter Maydell <peter.maydell@linaro.org> |
hw: Define new device_class_set_legacy_reset()
Define a device_class_set_legacy_reset() function which sets the DeviceClass::reset field. This serves two purposes: * it makes it clearer to the pers
hw: Define new device_class_set_legacy_reset()
Define a device_class_set_legacy_reset() function which sets the DeviceClass::reset field. This serves two purposes: * it makes it clearer to the person writing code that DeviceClass::reset is now legacy and they should look for the new alternative (which is Resettable) * it makes it easier to rename the reset field (which in turn makes it easier to find places that call it)
The Coccinelle script can be used to automatically convert code that was doing an open-coded assignment to DeviceClass::reset to call device_class_set_legacy_reset() instead.
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: 20240830145812.1967042-7-peter.maydell@linaro.org
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| 5313a0a4 | 13-Sep-2024 |
Peter Maydell <peter.maydell@linaro.org> |
hw: Remove device_class_set_parent_reset()
There are no callers of device_class_set_parent_reset() left in the tree, as they've all been converted to use three-phase reset and the corresponding rese
hw: Remove device_class_set_parent_reset()
There are no callers of device_class_set_parent_reset() left in the tree, as they've all been converted to use three-phase reset and the corresponding resettable_class_set_parent_phases() function. Remove device_class_set_parent_reset().
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: 20240830145812.1967042-5-peter.maydell@linaro.org
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| 3baa3c9d | 12-Sep-2024 |
Peter Maydell <peter.maydell@linaro.org> |
Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging
virtio,pc,pci: features, fixes, cleanups
i286 acpi speedup by precomputing _PRT by Ricardo Ribalda vhost_ne
Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging
virtio,pc,pci: features, fixes, cleanups
i286 acpi speedup by precomputing _PRT by Ricardo Ribalda vhost_net speedup by using MR transactions by Zuo Boqun ich9 gained support for periodic and swsmi timer by Dominic Prinz
Fixes, cleanups all over the place.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: hw/acpi/ich9: Add periodic and swsmi timer virtio-mem: don't warn about THP sizes on a kernel without THP support hw/audio/virtio-sound: fix heap buffer overflow hw/cxl: fix physical address field in get scan media results output virtio-pci: Add lookup subregion of VirtIOPCIRegion MR vhost_net: configure all host notifiers in a single MR transaction tests/acpi: pc: update golden masters for DSDT hw/i386/acpi-build: Return a pre-computed _PRT table tests/acpi: pc: allow DSDT acpi table changes intel_iommu: Make PASID-cache and PIOTLB type invalid in legacy mode intel_iommu: Fix invalidation descriptor type field virtio: rename virtio_split_packed_update_used_idx hw/pci/pci-hmp-cmds: Avoid displaying bogus size in 'info pci' pci: don't skip function 0 occupancy verification for devfn auto assign hw/isa/vt82c686.c: Embed i8259 irq in device state instead of allocating hw: Move declaration of IRQState to header and add init function virtio: Always reset vhost devices virtio: Allow .get_vhost() without vhost_started
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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| e72a7f65 | 29-Jun-2024 |
BALATON Zoltan <balaton@eik.bme.hu> |
hw: Move declaration of IRQState to header and add init function
To allow embedding a qemu_irq in a struct move its definition to the header and add a function to init it in place without allocating
hw: Move declaration of IRQState to header and add init function
To allow embedding a qemu_irq in a struct move its definition to the header and add a function to init it in place without allocating it.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Message-Id: <e3ffd0f6ef8845d0f7247c9b6ff33f7ee8b432cf.1719690591.git.balaton@eik.bme.hu> Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
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| b8eada54 | 10-Sep-2024 |
Peter Maydell <peter.maydell@linaro.org> |
Merge tag 'pull-qapi-2024-09-10' of https://repo.or.cz/qemu/armbru into staging
QAPI patches patches for 2024-09-10
# -----BEGIN PGP SIGNATURE----- # # iQJGBAABCAAwFiEENUvIs9frKmtoZ05fOHC0AOuRhlMFA
Merge tag 'pull-qapi-2024-09-10' of https://repo.or.cz/qemu/armbru into staging
QAPI patches patches for 2024-09-10
# -----BEGIN PGP SIGNATURE----- # # iQJGBAABCAAwFiEENUvIs9frKmtoZ05fOHC0AOuRhlMFAmbgS0ASHGFybWJydUBy # ZWRoYXQuY29tAAoJEDhwtADrkYZTm+sP/1kEuGdbjjVLQC7U+gCClhALpYUtIMHQ # qNZWmnxFyW9Jx6Lk8+FZBRJegNlmA9AJ2ZzD/2I/WoNtcrNiE53rIRG71Lcy8I6U # CRjekLPn0jhFuYhmRfwz6ilcLkyMJ15Yi7iG6ssFsO1joBtU5Q1qpzQmFUl9UbV9 # 9iBe7mE99VzNwi3hMELEM9YuSgAs8st4Itnn8SiHkJ3s6hlmF8N4HwNKfQrseGfb # FuJNN4p8Gcu0aF/dkGE8ADJBvtgzkFnavXt0GQPC7SjGOF7rUXxnUQlszNZM0OcK # UAfWU06sIyiOholQQt8H8jawT+rGCLomfgPUBVq5K8WByd21IeQeS0upSPeTjxS+ # d/C8wzpcbhdNOECwC/wDtgZHvCC95cHNrxuC4+4/Q1KIVVr+1cWqe8hQzFvm3TIg # dduEFTQDIxhpE0GO1ZWNf90upzBYBWwIsh4bqsMZS7SpaYIZ6QV45yViZ1w2WfbH # m3/F34Z3yqgFuZQrZv4OPo7xHK0+y7uZ60RrhSJtE0X080syRJKBbGmNBRidoVyu # JOONWH44I/XN5enZV8StJnqJr9MCV0DBZUCi9ZhP/kAhBjLc5cQ6NByEa9/rebYX # 1bLTiA1JDLzDVIan+A8dz0riWmHBvTyBwhLnEXvXb9lcB3ozgHTb7axE5RnZSYLI # YQgBOBMFuQKM # =YO/Q # -----END PGP SIGNATURE----- # gpg: Signature made Tue 10 Sep 2024 14:36:00 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-qapi-2024-09-10' of https://repo.or.cz/qemu/armbru: qapi/vfio: Rename VfioMigrationState to Qapi*, and drop prefix qapi/cryptodev: Rename QCryptodevBackendAlgType to *Algo, and drop prefix qapi/cryptodev: Drop unwanted 'prefix' qapi/crypto: Rename QCryptoAFAlg to QCryptoAFAlgo qapi/crypto: Rename QCryptoRSAPaddingAlgorithm to *Algo, and drop prefix qapi/crypto: Rename QCryptoAkCipherAlgorithm to *Algo, and drop prefix qapi/crypto: Rename QCryptoIVGenAlgorithm to *Algo, and drop prefix qapi/crypto: Rename QCryptoCipherAlgorithm to *Algo, and drop prefix qapi/crypto: Rename QCryptoHashAlgorithm to *Algo, and drop prefix qapi/crypto: Drop unwanted 'prefix' qapi/machine: Rename CpuS390* to S390Cpu*, and drop 'prefix' qapi/ui: Drop temporary 'prefix' qapi/machine: Drop temporary 'prefix' qapi/ebpf: Drop temporary 'prefix' qapi/crypto: Drop temporary 'prefix' qapi/common: Drop temporary 'prefix' qapi/block-core: Drop temporary 'prefix' tests/qapi-schema: Drop temporary 'prefix' qapi: Smarter camel_to_upper() to reduce need for 'prefix'
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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| 32cfefb9 | 04-Sep-2024 |
Markus Armbruster <armbru@redhat.com> |
qapi/machine: Rename CpuS390* to S390Cpu*, and drop 'prefix'
QAPI's 'prefix' feature can make the connection between enumeration type and its constants less than obvious. It's best used with restra
qapi/machine: Rename CpuS390* to S390Cpu*, and drop 'prefix'
QAPI's 'prefix' feature can make the connection between enumeration type and its constants less than obvious. It's best used with restraint.
CpuS390Entitlement has a 'prefix' to change the generated enumeration constants' prefix from CPU_S390_ENTITLEMENT to S390_CPU_ENTITLEMENT. Rename the type to S390CpuEntitlement, so that 'prefix' is not needed.
Likewise change CpuS390Polarization to S390CpuPolarization, and CpuS390State to S390CpuState.
Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Zhao Liu <zhao1.liu@intel.com> Acked-by: Thomas Huth <thuth@redhat.com> Message-ID: <20240904111836.3273842-10-armbru@redhat.com>
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| 0aa4bd6a | 04-Sep-2024 |
Markus Armbruster <armbru@redhat.com> |
qapi/machine: Drop temporary 'prefix'
Recent commit "qapi: Smarter camel_to_upper() to reduce need for 'prefix'" added a temporary 'prefix' to delay changing the generated code.
Revert it. This im
qapi/machine: Drop temporary 'prefix'
Recent commit "qapi: Smarter camel_to_upper() to reduce need for 'prefix'" added a temporary 'prefix' to delay changing the generated code.
Revert it. This improves HmatLBDataType's generated enumeration constant prefix from HMATLB_DATA_TYPE to HMAT_LB_DATA_TYPE, and HmatLBMemoryHierarchy's from HMATLB_MEMORY_HIERARCHY to HMAT_LB_MEMORY_HIERARCHY.
Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Zhao Liu <zhao1.liu@intel.com> Message-ID: <20240904111836.3273842-8-armbru@redhat.com>
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| 80484f94 | 30-Aug-2024 |
Bryan Zhang <bryan.zhang@bytedance.com> |
migration: Introduce 'qatzip' compression method
Adds support for 'qatzip' as an option for the multifd compression method parameter, and implements using QAT for 'qatzip' compression and decompress
migration: Introduce 'qatzip' compression method
Adds support for 'qatzip' as an option for the multifd compression method parameter, and implements using QAT for 'qatzip' compression and decompression.
Acked-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Fabiano Rosas <farosas@suse.de> Reviewed-by: Prasad Pandit <pjp@fedoraproject.org> Signed-off-by: Bryan Zhang <bryan.zhang@bytedance.com> Signed-off-by: Hao Xiang <hao.xiang@linux.dev> Signed-off-by: Yichen Wang <yichen.wang@bytedance.com> Link: https://lore.kernel.org/r/20240830232722.58272-5-yichen.wang@bytedance.com Signed-off-by: Peter Xu <peterx@redhat.com>
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| 99ec7b44 | 29-Aug-2024 |
Gao Shiyuan <gaoshiyuan@baidu.com> |
platform-bus: fix refcount leak
memory_region_find() returns an MR which it is the caller's responsibility to unref, but platform_bus_map_mmio() was forgetting to do so, thus leaking the MR.
Signed
platform-bus: fix refcount leak
memory_region_find() returns an MR which it is the caller's responsibility to unref, but platform_bus_map_mmio() was forgetting to do so, thus leaking the MR.
Signed-off-by: Gao Shiyuan <gaoshiyuan@baidu.com> Message-id: 20240829131005.9196-1-gaoshiyuan@baidu.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> [PMM: tweaked commit message] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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| fb6051e7 | 03-Sep-2024 |
Cornelia Huck <cohuck@redhat.com> |
hw: add compat machines for 9.2
Add 9.2 machine types for arm/i440fx/m68k/q35/s390x/spapr.
Signed-off-by: Cornelia Huck <cohuck@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Rev
hw: add compat machines for 9.2
Add 9.2 machine types for arm/i440fx/m68k/q35/s390x/spapr.
Signed-off-by: Cornelia Huck <cohuck@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 20240816161350.3706332-2-peter.maydell@linaro.org Message-id: 20240816103723.2325982-1-cohuck@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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| 446e5e8b | 09-Aug-2024 |
Jianzhou Yue <JianZhou.Yue@verisilicon.com> |
hw/core/ptimer: fix timer zero period condition for freq > 1GHz
The real period is zero when both period and period_frac are zero. Check the method ptimer_set_freq, if freq is larger than 1000 MHz,
hw/core/ptimer: fix timer zero period condition for freq > 1GHz
The real period is zero when both period and period_frac are zero. Check the method ptimer_set_freq, if freq is larger than 1000 MHz, the period is zero, but the period_frac is not, in this case, the ptimer will work but the current code incorrectly recognizes that the ptimer is disabled.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2306 Signed-off-by: JianZhou Yue <JianZhou.Yue@verisilicon.com> Message-id: 3DA024AEA8B57545AF1B3CAA37077D0FB75E82C8@SHASXM03.verisilicon.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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| 5885bcef | 23-Jul-2024 |
Richard Henderson <richard.henderson@linaro.org> |
Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging
virtio,pci,pc: features,fixes
pci: Initial support for SPDM Responders cxl: Add support for scan media, fea
Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging
virtio,pci,pc: features,fixes
pci: Initial support for SPDM Responders cxl: Add support for scan media, feature commands, device patrol scrub control, DDR5 ECS control, firmware updates virtio: in-order support virtio-net: support for SR-IOV emulation (note: known issues on s390, might get reverted if not fixed) smbios: memory device size is now configurable per Machine cpu: architecture agnostic code to support vCPU Hotplug
Fixes, cleanups all over the place.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# -----BEGIN PGP SIGNATURE----- # # iQFDBAABCAAtFiEEXQn9CHHI+FuUyooNKB8NuNKNVGkFAmae9l8PHG1zdEByZWRo # YXQuY29tAAoJECgfDbjSjVRp8fYH/impBH9nViO/WK48io4mLSkl0EUL8Y/xrMvH # zKFCKaXq8D96VTt1Z4EGKYgwG0voBKZaCEKYU/0ARGnSlSwxINQ8ROCnBWMfn2sx # yQt08EXVMznNLtXjc6U5zCoCi6SaV85GH40No3MUFXBQt29ZSlFqO/fuHGZHYBwS # wuVKvTjjNF4EsGt3rS4Qsv6BwZWMM+dE6yXpKWk68kR8IGp+6QGxkMbWt9uEX2Md # VuemKVnFYw0XGCGy5K+ZkvoA2DGpEw0QxVSOMs8CI55Oc9SkTKz5fUSzXXGo1if+ # M1CTjOPJu6pMym6gy6XpFa8/QioDA/jE2vBQvfJ64TwhJDV159s= # =k8e9 # -----END PGP SIGNATURE----- # gpg: Signature made Tue 23 Jul 2024 10:16:31 AM AEST # 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: The key's User ID 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: (61 commits) hw/nvme: Add SPDM over DOE support backends: Initial support for SPDM socket support hw/pci: Add all Data Object Types defined in PCIe r6.0 tests/acpi: Add expected ACPI AML files for RISC-V tests/qtest/bios-tables-test.c: Enable basic testing for RISC-V tests/acpi: Add empty ACPI data files for RISC-V tests/qtest/bios-tables-test.c: Remove the fall back path tests/acpi: update expected DSDT blob for aarch64 and microvm acpi/gpex: Create PCI link devices outside PCI root bridge tests/acpi: Allow DSDT acpi table changes for aarch64 hw/riscv/virt-acpi-build.c: Update the HID of RISC-V UART hw/riscv/virt-acpi-build.c: Add namespace devices for PLIC and APLIC virtio-iommu: Add trace point on virtio_iommu_detach_endpoint_from_domain hw/vfio/common: Add vfio_listener_region_del_iommu trace event virtio-iommu: Remove the end point on detach virtio-iommu: Free [host_]resv_ranges on unset_iommu_devices virtio-iommu: Remove probe_done Revert "virtio-iommu: Clear IOMMUDevice when VFIO device is unplugged" gdbstub: Add helper function to unregister GDB register space physmem: Add helper function to destroy CPU AddressSpace ...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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| 242da180 | 16-Jul-2024 |
Salil Mehta <salil.mehta@huawei.com> |
gdbstub: Add helper function to unregister GDB register space
Add common function to help unregister the GDB register space. This shall be done in context to the CPU unrealization.
Note: These are
gdbstub: Add helper function to unregister GDB register space
Add common function to help unregister the GDB register space. This shall be done in context to the CPU unrealization.
Note: These are common functions exported to arch specific code. For example, for ARM this code is being referred in associated arch specific patch-set:
Link: https://lore.kernel.org/qemu-devel/20230926103654.34424-1-salil.mehta@huawei.com/
Signed-off-by: Salil Mehta <salil.mehta@huawei.com> Tested-by: Vishnu Pajjuri <vishnu@os.amperecomputing.com> Reviewed-by: Gavin Shan <gshan@redhat.com> Tested-by: Xianglai Li <lixianglai@loongson.cn> Tested-by: Miguel Luis <miguel.luis@oracle.com> Reviewed-by: Shaoqin Huang <shahuang@redhat.com> Reviewed-by: Vishnu Pajjuri <vishnu@os.amperecomputing.com> Tested-by: Zhao Liu <zhao1.liu@intel.com> Acked-by: Igor Mammedov <imammedo@redhat.com> Message-Id: <20240716111502.202344-8-salil.mehta@huawei.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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| 62f182c9 | 15-Jul-2024 |
Igor Mammedov <imammedo@redhat.com> |
smbios: make memory device size configurable per Machine
Currently QEMU describes initial[1] RAM* in SMBIOS as a series of virtual DIMMs (capped at 16Gb max) using type 17 structure entries.
Which
smbios: make memory device size configurable per Machine
Currently QEMU describes initial[1] RAM* in SMBIOS as a series of virtual DIMMs (capped at 16Gb max) using type 17 structure entries.
Which is fine for the most cases. However when starting guest with terabytes of RAM this leads to too many memory device structures, which eventually upsets linux kernel as it reserves only 64K for these entries and when that border is crossed out it runs out of reserved memory.
Instead of partitioning initial RAM on 16Gb DIMMs, use maximum possible chunk size that SMBIOS spec allows[2]. Which lets encode RAM in lower 31 bits of 32bit field (which amounts upto 2047Tb per DIMM). As result initial RAM will generate only one type 17 structure until host/guest reach ability to use more RAM in the future.
Compat changes: We can't unconditionally change chunk size as it will break QEMU<->guest ABI (and migration). Thus introduce a new machine class field that would let older versioned machines to use legacy 16Gb chunks, while new(er) machine type[s] use maximum possible chunk size.
PS: While it might seem to be risky to rise max entry size this large (much beyond of what current physical RAM modules support), I'd not expect it causing much issues, modulo uncovering bugs in software running within guest. And those should be fixed on guest side to handle SMBIOS spec properly, especially if guest is expected to support so huge RAM configs.
In worst case, QEMU can reduce chunk size later if we would care enough about introducing a workaround for some 'unfixable' guest OS, either by fixing up the next machine type or giving users a CLI option to customize it.
1) Initial RAM - is RAM configured with help '-m SIZE' CLI option/ implicitly defined by machine. It doesn't include memory configured with help of '-device' option[s] (pcdimm,nvdimm,...) 2) SMBIOS 3.1.0 7.18.5 Memory Device — Extended Size
PS: * tested on 8Tb host with RHEL6 guest, which seems to parse type 17 SMBIOS table entries correctly (according to 'dmidecode').
Signed-off-by: Igor Mammedov <imammedo@redhat.com> Message-Id: <20240715122417.4059293-1-imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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| d4ff3496 | 03-Jul-2024 |
Thomas Huth <thuth@redhat.com> |
hw: Fix crash that happens when introspecting scsi-block on older machine types
"make check SPEED=slow" is currently failing the device-introspect-test on older machine types since introspecting "sc
hw: Fix crash that happens when introspecting scsi-block on older machine types
"make check SPEED=slow" is currently failing the device-introspect-test on older machine types since introspecting "scsi-block" is causing an abort:
$ ./qemu-system-x86_64 -M pc-q35-8.0 -monitor stdio QEMU 9.0.50 monitor - type 'help' for more information (qemu) device_add scsi-block,help Unexpected error in object_property_find_err() at ../../devel/qemu/qom/object.c:1357: can't apply global scsi-disk-base.migrate-emulated-scsi-request=false: Property 'scsi-block.migrate-emulated-scsi-request' not found Aborted (core dumped)
The problem is that the compat code tries to change the "migrate-emulated-scsi-request" property for all devices that are derived from "scsi-block", but the property has only been added to "scsi-hd" and "scsi-cd" via the DEFINE_SCSI_DISK_PROPERTIES macro.
Thus let's fix the problem by only changing the property on the devices that really have this property.
Fixes: b4912afa5f ("scsi-disk: Fix crash for VM configured with USB CDROM after live migration") Message-ID: <20240703090904.909720-1-thuth@redhat.com> Acked-by: Hyman Huang <yong.huang@smartx.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Thomas Huth <thuth@redhat.com>
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| 58ee924b | 17-Jul-2024 |
Richard Henderson <richard.henderson@linaro.org> |
Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging
* target/i386/tcg: fixes for seg_helper.c * SEV: Don't allow automatic fallback to legacy KVM_SEV_INIT, but also don't use
Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging
* target/i386/tcg: fixes for seg_helper.c * SEV: Don't allow automatic fallback to legacy KVM_SEV_INIT, but also don't use it by default * scsi: honor bootindex again for legacy drives * hpet, utils, scsi, build, cpu: miscellaneous bugfixes
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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: target/i386/tcg: save current task state before loading new one target/i386/tcg: use X86Access for TSS access target/i386/tcg: check for correct busy state before switching to a new task target/i386/tcg: Compute MMU index once target/i386/tcg: Introduce x86_mmu_index_{kernel_,}pl target/i386/tcg: Reorg push/pop within seg_helper.c target/i386/tcg: use PUSHL/PUSHW for error code target/i386/tcg: Allow IRET from user mode to user mode with SMAP target/i386/tcg: Remove SEG_ADDL target/i386/tcg: fix POP to memory in long mode hpet: fix HPET_TN_SETVAL for high 32-bits of the comparator hpet: fix clamping of period docs: Update description of 'user=username' for '-run-with' qemu/timer: Add host ticks function for LoongArch scsi: fix regression and honor bootindex again for legacy drives hw/scsi/lsi53c895a: bump instruction limit in scripts processing to fix regression disas: Fix build against Capstone v6 cpu: Free queued CPU work Revert "qemu-char: do not operate on sources from finalize callbacks" i386/sev: Don't allow automatic fallback to legacy KVM_SEV*_INIT
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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| a376a8d5 | 11-Jul-2024 |
Ani Sinha <anisinha@redhat.com> |
loader: remove load_image_gzipped function as its not used anywhere
load_image_gzipped() does not seem to be used anywhere. Remove it.
Signed-off-by: Ani Sinha <anisinha@redhat.com> Reviewed-by: Pe
loader: remove load_image_gzipped function as its not used anywhere
load_image_gzipped() does not seem to be used anywhere. Remove it.
Signed-off-by: Ani Sinha <anisinha@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-ID: <20240711072448.32673-1-anisinha@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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| c88d0748 | 28-Jun-2024 |
Gregor Haas <gregorhaas1997@gmail.com> |
hw/core/loader: allow loading larger ROMs
The read() syscall is not guaranteed to return all data from a file. The default ROM loader implementation currently does not take this into account, instea
hw/core/loader: allow loading larger ROMs
The read() syscall is not guaranteed to return all data from a file. The default ROM loader implementation currently does not take this into account, instead failing if all bytes are not read at once. This change loads the ROM using g_file_get_contents() instead, which correctly reads all data using multiple calls to read() while also returning the loaded ROM size.
Signed-off-by: Gregor Haas <gregorhaas1997@gmail.com> Reviewed-by: Xingtao Yao <yaoxt.fnst@fujitsu.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-ID: <20240628182706.99525-1-gregorhaas1997@gmail.com> [PMD: Use gsize with g_file_get_contents()] Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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| f8b64d35 | 14-Jul-2024 |
Akihiko Odaki <akihiko.odaki@daynix.com> |
cpu: Free queued CPU work
Running qemu-system-aarch64 -M virt -nographic and terminating it will result in a LeakSanitizer error due to remaining queued CPU work so free it.
Signed-off-by: Akihiko
cpu: Free queued CPU work
Running qemu-system-aarch64 -M virt -nographic and terminating it will result in a LeakSanitizer error due to remaining queued CPU work so free it.
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com> Link: https://lore.kernel.org/r/20240714-cpu-v1-1-19c2f8de2055@daynix.com Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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