aboutsummaryrefslogtreecommitdiff
path: root/include
AgeCommit message (Collapse)Author
2023-12-21qdev-properties: alias all object class propertiesStefan Hajnoczi
qdev_alias_all_properties() aliases a DeviceState's qdev properties onto an Object. This is used for VirtioPCIProxy types so that --device virtio-blk-pci has properties of its embedded --device virtio-blk-device object. Currently this function is implemented using qdev properties. Change the function to use QOM object class properties instead. This works because qdev properties create QOM object class properties, but it also catches any QOM object class-only properties that have no qdev properties. This change ensures that properties of devices are shown with --device foo,\? even if they are QOM object class properties. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-ID: <20231220134755.814917-2-stefanha@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-12-21string-output-visitor: show structs as "<omitted>"Stefan Hajnoczi
StringOutputVisitor crashes when it visits a struct because ->start_struct() is NULL. Show "<omitted>" instead of crashing. This is necessary because the virtio-blk-pci iothread-vq-mapping parameter that I'd like to introduce soon is a list of IOThreadMapping structs. This patch is a quick fix to solve the crash, but the long-term solution is replacing StringOutputVisitor with something that can handle the full gamut of values in QEMU. Cc: Markus Armbruster <armbru@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-ID: <20231212134934.500289-1-stefanha@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-12-21block: remove outdated AioContext locking commentsStefan Hajnoczi
The AioContext lock no longer exists. There is one noteworthy change: - * More specifically, these functions use BDRV_POLL_WHILE(bs), which - * requires the caller to be either in the main thread and hold - * the BlockdriverState (bs) AioContext lock, or directly in the - * home thread that runs the bs AioContext. Calling them from - * another thread in another AioContext would cause deadlocks. + * More specifically, these functions use BDRV_POLL_WHILE(bs), which requires + * the caller to be either in the main thread or directly in the home thread + * that runs the bs AioContext. Calling them from another thread in another + * AioContext would cause deadlocks. I am not sure whether deadlocks are still possible. Maybe they have just moved to the fine-grained locks that have replaced the AioContext. Since I am not sure if the deadlocks are gone, I have kept the substance unchanged and just removed mention of the AioContext. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-ID: <20231205182011.1976568-15-stefanha@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-12-21job: remove outdated AioContext locking commentsStefan Hajnoczi
The AioContext lock no longer exists. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-ID: <20231205182011.1976568-14-stefanha@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-12-21aio: remove aio_context_acquire()/aio_context_release() APIStefan Hajnoczi
Delete these functions because nothing calls these functions anymore. I introduced these APIs in commit 98563fc3ec44 ("aio: add aio_context_acquire() and aio_context_release()") in 2014. It's with a sigh of relief that I delete these APIs almost 10 years later. Thanks to Paolo Bonzini's vision for multi-queue QEMU, we got an understanding of where the code needed to go in order to remove the limitations that the original dataplane and the IOThread/AioContext approach that followed it. Emanuele Giuseppe Esposito had the splendid determination to convert large parts of the codebase so that they no longer needed the AioContext lock. This was a painstaking process, both in the actual code changes required and the iterations of code review that Emanuele eked out of Kevin and me over many months. Kevin Wolf tackled multitudes of graph locking conversions to protect in-flight I/O from run-time changes to the block graph as well as the clang Thread Safety Analysis annotations that allow the compiler to check whether the graph lock is being used correctly. And me, well, I'm just here to add some pizzazz to the QEMU multi-queue block layer :). Thank you to everyone who helped with this effort, including Eric Blake, code reviewer extraordinaire, and others who I've forgotten to mention. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-ID: <20231205182011.1976568-11-stefanha@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-12-21aio-wait: draw equivalence between AIO_WAIT_WHILE() and ↵Stefan Hajnoczi
AIO_WAIT_WHILE_UNLOCKED() Now that the AioContext lock no longer exists, AIO_WAIT_WHILE() and AIO_WAIT_WHILE_UNLOCKED() are equivalent. A future patch will get rid of AIO_WAIT_WHILE_UNLOCKED(). Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-ID: <20231205182011.1976568-10-stefanha@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-12-21scsi: remove AioContext lockingStefan Hajnoczi
The AioContext lock no longer has any effect. Remove it. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-ID: <20231205182011.1976568-9-stefanha@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-12-21block: remove bdrv_co_lock()Stefan Hajnoczi
The bdrv_co_lock() and bdrv_co_unlock() functions are already no-ops. Remove them. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-ID: <20231205182011.1976568-8-stefanha@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-12-21block: remove AioContext lockingStefan Hajnoczi
This is the big patch that removes aio_context_acquire()/aio_context_release() from the block layer and affected block layer users. There isn't a clean way to split this patch and the reviewers are likely the same group of people, so I decided to do it in one patch. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Paul Durrant <paul@xen.org> Message-ID: <20231205182011.1976568-7-stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-12-21graph-lock: remove AioContext lockingStefan Hajnoczi
Stop acquiring/releasing the AioContext lock in bdrv_graph_wrlock()/bdrv_graph_unlock() since the lock no longer has any effect. The distinction between bdrv_graph_wrunlock() and bdrv_graph_wrunlock_ctx() becomes meaningless and they can be collapsed into one function. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Message-ID: <20231205182011.1976568-6-stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-12-21virtio-scsi: replace AioContext lock with tmf_bh_lockStefan Hajnoczi
Protect the Task Management Function BH state with a lock. The TMF BH runs in the main loop thread. An IOThread might process a TMF at the same time as the TMF BH is running. Therefore tmf_bh_list and tmf_bh must be protected by a lock. Run TMF request completion in the IOThread using aio_wait_bh_oneshot(). This avoids more locking to protect the virtqueue and SCSI layer state. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Message-ID: <20231205182011.1976568-2-stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-12-21scsi: only access SCSIDevice->requests from one threadStefan Hajnoczi
Stop depending on the AioContext lock and instead access SCSIDevice->requests from only one thread at a time: - When the VM is running only the BlockBackend's AioContext may access the requests list. - When the VM is stopped only the main loop may access the requests list. These constraints protect the requests list without the need for locking in the I/O code path. Note that multiple IOThreads are not supported yet because the code assumes all SCSIRequests are executed from a single AioContext. Leave that as future work. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-ID: <20231204164259.1515217-2-stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-12-21virtio-blk: add lock to protect s->rqStefan Hajnoczi
s->rq is accessed from IO_CODE and GLOBAL_STATE_CODE. Introduce a lock to protect s->rq and eliminate reliance on the AioContext lock. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-ID: <20230914140101.1065008-3-stefanha@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-12-21hw/loongarch/virt: Align high memory base address with super page sizeBibo Mao
With LoongArch virt machine, there is low memory space with region 0--0x10000000, and high memory space with started from 0x90000000. High memory space is aligned with 256M, it will be better if it is aligned with 1G, which is super page aligned for 4K page size. Currently linux kernel and uefi bios has no limitation with high memory base address, it is ok to set high memory base address with 0x80000000. Signed-off-by: Bibo Mao <maobibo@loongson.cn> Reviewed-by: Song Gao <gaosong@loongson.cn> Message-Id: <20231127040231.4123715-1-maobibo@loongson.cn> Signed-off-by: Song Gao <gaosong@loongson.cn>
2023-12-20Merge tag 'pull-request-2023-12-20' of https://gitlab.com/thuth/qemu into ↵Stefan Hajnoczi
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 # -----BEGIN PGP SIGNATURE----- # # iQJFBAABCAAvFiEEJ7iIR+7gJQEY8+q5LtnXdP5wLbUFAmWCtYsRHHRodXRoQHJl # ZGhhdC5jb20ACgkQLtnXdP5wLbWLnw//cNJrxG0V+j0iakX+C7HRumVrLBDI4KYY # Cp2Hx92SyeQ0Kk8DJS6JueTV0SLjMsV77APu2YPH7ELmPlk+CB9gqmV7xVoYNvsm # QbRPlIjFw8MHLekadc2A+C+pn48tWACoOdBEDIfazKrxybnf0B57RC/fIfMKHjbs # 2ALCoFbbgphs7yWuzTHK8ayKaGMhUVkWfzHQwpnq899olHyZBhkl951uKJA6VmLx # KvggePkpszLjmmXA8MH1hDCcizki31cB0ZKTbQFCyE42s2S3Hvg0GueU90O7Y1cj # lS5tPVQxyEhUYMLL+/hudlf2OYqVn2BalB7ieUQIy6rG8yoc9zxfIKQi0ccl+2oA # s8HRq5S0bSjtilQogU1LQL/Gk6W1/N9MmnhKvCGB+BTK5KX7s4EQk02y9gGZm/8s # pMErMyaXTG4dLiTAK42VgMVDqCYvzBmE+Gj91OmoUR7fb+VMrsWxeBFxMPDn+VtL # TMJegIFsjw2QCSitcU4v+nP0qtKgXGbuZtrGXKabrxH5PmeQFJDSM7TwpTK4qvjK # QMIQKBbz8BfJnUzN8qAaaJEpp1T5tcMJClKtfcgxq/+VyaSaHLmD0cljqBC+g+y7 # FTo+fa7oYx44sAlqapdEXBSGn4T+J26iuCef13CCCiPfYBv/tk3b2E0AWHj4y58I # +VpInjUaPBQ= # =TA1/ # -----END PGP SIGNATURE----- # 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>
2023-12-20Merge tag 'pull-target-arm-20231219' of ↵Stefan Hajnoczi
https://git.linaro.org/people/pmaydell/qemu-arm into staging target-arm queue: * arm/kvm: drop the split between "common KVM support" and "64-bit KVM support", since 32-bit Arm KVM no longer exists * arm/kvm: clean up APIs to be consistent about CPU arguments * Don't implement *32_EL2 registers when EL1 is AArch64 only * Restrict DC CVAP & DC CVADP instructions to TCG accel * Restrict TCG specific helpers * Propagate MDCR_EL2.HPMN into PMCR_EL0.N * Include missing 'exec/exec-all.h' header * fsl-imx: add simple RTC emulation for i.MX6 and i.MX7 boards # -----BEGIN PGP SIGNATURE----- # # iQJNBAABCAA3FiEE4aXFk81BneKOgxXPPCUl7RQ2DN4FAmWB6o0ZHHBldGVyLm1h # eWRlbGxAbGluYXJvLm9yZwAKCRA8JSXtFDYM3mxMEACRpRxJ81pLs8fFYC5BgRhU # BCxr+ZqarBygzsH9YWUN2TFFKlEZi7mLu6lzFsfN/qEmYCg8VslPbulQHqcGkx51 # kVxXFp/KuGlKt4zGRagZUJxgYAwwU5mnK6dTZT5/ZF6yWX67dXn8V7MP9lqqEPw5 # 5gut7Mu4f7MiAQbwZY1CWP+iu5uZmdsBuKxA6zkxOWJh/A1SfaqQRO6xVQttLAxS # DPMTpQGmwPS4I+3gGNnqlSu6etp2tdy2K0cW3fhMp6hx70uNMHmFNzRhT/6TaKka # 9AqXQsFHQiFXDGAm6PmCvfQI6KpLljDyNL/TuUkQWi72bGEHjUsJAdG0aXVOa30W # uC7vuJkdZrP/t5P1AkZhWQUrlawDRV2YHNDD+gY4fxJL/STkGyU6M8R1nm1J+InN # n0SeK0VHRC6DRPXCMQhC5QwKUH6ZjFZRs/r2opTu9p+ThQAQRmZBiVfdISCDMYnN # DCiSb78gIFaUkwtiP44qq8MJQjsHnXtTD1Akqyo2fXSKs66jDK9Gnc8gENYdpghe # 7V36bOp6scROHOB2a/r8gT42RKzSN6uh6xByaaToza63/bPgvHnn8vvQQbB01AgX # zJC1xs3dwY8JMyqDefda0K0NDPS8TzNsXYmgxxxcQJpUvB4VVjet9VIMF3T+d8HO # Pas41Z1gsQY+rcaRk/9mPA== # =GWIA # -----END PGP SIGNATURE----- # gpg: Signature made Tue 19 Dec 2023 14:10:05 EST # 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] # Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE * tag 'pull-target-arm-20231219' of https://git.linaro.org/people/pmaydell/qemu-arm: (43 commits) fsl-imx: add simple RTC emulation for i.MX6 and i.MX7 boards target/arm/helper: Propagate MDCR_EL2.HPMN into PMCR_EL0.N target/arm/tcg: Including missing 'exec/exec-all.h' header target/arm: Restrict DC CVAP & DC CVADP instructions to TCG accel target/arm: Restrict TCG specific helpers target/arm: Don't implement *32_EL2 registers when EL1 is AArch64 only target/arm/kvm: Have kvm_arm_hw_debug_active take a ARMCPU argument target/arm/kvm: Have kvm_arm_handle_debug take a ARMCPU argument target/arm/kvm: Have kvm_arm_handle_dabt_nisv take a ARMCPU argument target/arm/kvm: Have kvm_arm_verify_ext_dabt_pending take a ARMCPU arg target/arm/kvm: Have kvm_arm_[get|put]_virtual_time take ARMCPU argument target/arm/kvm: Have kvm_arm_vcpu_finalize take a ARMCPU argument target/arm/kvm: Have kvm_arm_vcpu_init take a ARMCPU argument target/arm/kvm: Have kvm_arm_pmu_set_irq take a ARMCPU argument target/arm/kvm: Have kvm_arm_pmu_init take a ARMCPU argument target/arm/kvm: Have kvm_arm_pvtime_init take a ARMCPU argument target/arm/kvm: Have kvm_arm_set_device_attr take a ARMCPU argument target/arm/kvm: Have kvm_arm_sve_get_vls take a ARMCPU argument target/arm/kvm: Have kvm_arm_sve_set_vls take a ARMCPU argument target/arm/kvm: Have kvm_arm_add_vcpu_properties take a ARMCPU argument ... Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-12-20memory: Remove "qemu:" prefix from the "qemu:ram-discard-manager" type nameThomas Huth
Type names should not contain special characters like ":". Let's remove the whole prefix here since it does not really seem to be helpful to have such a prefix here. The type name is only used internally for an interface type, so the renaming should not affect the user interface or migration. Reviewed-by: David Hildenbrand <david@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-ID: <20231117114457.177308-4-thuth@redhat.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-12-20hw: Replace anti-social QOM type names (again)Markus Armbruster
QOM type names containing ',' result in awful UI. We got rid of them in v6.0.0 (commit e178113ff64 hw: Replace anti-social QOM type names). A few have crept back since: xlnx,cframe-reg xlnx,efuse xlnx,pmc-efuse-cache xlnx,versal-cfu-apb xlnx,versal-cfu-fdro xlnx,versal-cfu-sfr xlnx,versal-crl xlnx,versal-efuse xlnx,zynqmp-efuse These are all device types. They can't be plugged with -device / device_add, except for "xlnx,efuse" (I'm not sure that one is intentional). They *can* be used with -device / device_add to request help. Usability is poor, though: you have to double the comma, like this: $ qemu-system-aarch64 -device xlnx,,pmc-efuse-cache,help They can also be used with -global, where you must *not* double the comma: $ qemu-system-aarch64 -global xlnx,efuse.drive-index=2 Trap for the unwary. "xlnx,efuse", "xlnx,versal-efuse", "xlnx,pmc-efuse-cache", "xlnx-zynqmp-efuse" are from v6.2.0, "xlnx,versal-crl" is from v7.1.0, and the remainder are new. Rename them all to "xlnx-FOO", like commit e178113ff64 did. Reported-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Francisco Iglesias <francisco.iglesias@amd.com> Message-ID: <20231117114457.177308-3-thuth@redhat.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-12-20system/qtest: Restrict QTest API to system emulationPhilippe Mathieu-Daudé
Outside of system emulation, only qtest_enabled() can be used. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-ID: <20231212113016.29808-3-philmd@linaro.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-12-20hw: Add compat machines for 9.0Cornelia Huck
Add 9.0 machine types for arm/i440fx/m68k/q35/s390x/spapr. Signed-off-by: Cornelia Huck <cohuck@redhat.com> Message-ID: <20231120094259.1191804-1-cohuck@redhat.com> Acked-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com> Reviewed-by: Gavin Shan <gshan@redhat.com> Acked-by: Eric Farman <farman@linux.ibm.com> # s390x Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-12-19vfio: Introduce a helper function to initialize VFIODeviceZhenzhong Duan
Introduce a helper function to replace the common code to initialize VFIODevice in pci, platform, ap and ccw VFIO device. No functional change intended. Suggested-by: Cédric Le Goater <clg@redhat.com> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Tested-by: Nicolin Chen <nicolinc@nvidia.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>
2023-12-19vfio: Make VFIOContainerBase poiner parameter const in VFIOIOMMUOps callbacksZhenzhong Duan
Some of the callbacks in VFIOIOMMUOps pass VFIOContainerBase poiner, those callbacks only need read access to the sub object of VFIOContainerBase. So make VFIOContainerBase, VFIOContainer and VFIOIOMMUFDContainer as const in these callbacks. Local functions called by those callbacks also need same changes to avoid build error. Suggested-by: Cédric Le Goater <clg@redhat.com> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Tested-by: Nicolin Chen <nicolinc@nvidia.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>
2023-12-19vfio/pci: Make vfio cdev pre-openable by passing a file handleZhenzhong Duan
This gives management tools like libvirt a chance to open the vfio cdev with privilege and pass FD to qemu. This way qemu never needs to have privilege to open a VFIO or iommu cdev node. Together with the earlier support of pre-opening /dev/iommu device, now we have full support of passing a vfio device to unprivileged qemu by management tool. This mode is no more considered for the legacy backend. So let's remove the "TODO" comment. Add helper functions vfio_device_set_fd() and vfio_device_get_name() to set fd and get device name, they will also be used by other vfio devices. There is no easy way to check if a device is mdev with FD passing, so fail the x-balloon-allowed check unconditionally in this case. There is also no easy way to get BDF as name with FD passing, so we fake a name by VFIO_FD[fd]. Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Tested-by: Nicolin Chen <nicolinc@nvidia.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>
2023-12-19vfio/pci: Introduce a vfio pci hot reset interfaceZhenzhong Duan
Legacy vfio pci and iommufd cdev have different process to hot reset vfio device, expand current code to abstract out pci_hot_reset callback for legacy vfio, this same interface will also be used by iommufd cdev vfio device. Rename vfio_pci_hot_reset to vfio_legacy_pci_hot_reset and move it into container.c. vfio_pci_[pre/post]_reset and vfio_pci_host_match are exported so they could be called in legacy and iommufd pci_hot_reset callback. Suggested-by: Cédric Le Goater <clg@redhat.com> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Tested-by: Nicolin Chen <nicolinc@nvidia.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>
2023-12-19vfio/iommufd: Implement the iommufd backendYi Liu
The iommufd backend is implemented based on the new /dev/iommu user API. This backend obviously depends on CONFIG_IOMMUFD. So far, the iommufd backend doesn't support dirty page sync yet. Co-authored-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Tested-by: Nicolin Chen <nicolinc@nvidia.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>
2023-12-19util/char_dev: Add open_cdev()Yi Liu
/dev/vfio/devices/vfioX may not exist. In that case it is still possible to open /dev/char/$major:$minor instead. Add helper function to abstract the cdev open. Suggested-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Tested-by: Nicolin Chen <nicolinc@nvidia.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>
2023-12-19backends/iommufd: Introduce the iommufd objectEric Auger
Introduce an iommufd object which allows the interaction with the host /dev/iommu device. The /dev/iommu can have been already pre-opened outside of qemu, in which case the fd can be passed directly along with the iommufd object: This allows the iommufd object to be shared accross several subsystems (VFIO, VDPA, ...). For example, libvirt would open the /dev/iommu once. If no fd is passed along with the iommufd object, the /dev/iommu is opened by the qemu code. Suggested-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Tested-by: Eric Auger <eric.auger@redhat.com> Tested-by: Nicolin Chen <nicolinc@nvidia.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>
2023-12-19vfio/spapr: Move hostwin_list into spapr containerZhenzhong Duan
No functional changes intended. Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>
2023-12-19vfio/spapr: Move prereg_listener into spapr containerZhenzhong Duan
No functional changes intended. Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>
2023-12-19vfio/spapr: switch to spapr IOMMU BE add/del_section_windowZhenzhong Duan
No functional change intended. Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Cédric Le Goater <clg@redhat.com Signed-off-by: Cédric Le Goater <clg@redhat.com>
2023-12-19vfio/spapr: Introduce spapr backend and target interfaceZhenzhong Duan
Introduce an empty spapr backend which will hold spapr specific content, currently only prereg_listener and hostwin_list. Also introduce two spapr specific callbacks add/del_window into VFIOIOMMUOps. Instantiate a spapr ops with a helper setup_spapr_ops and assign it to bcontainer->ops. Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>
2023-12-19vfio/container: Move iova_ranges to base containerZhenzhong Duan
Meanwhile remove the helper function vfio_free_container as it only calls g_free now. No functional change intended. Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>
2023-12-19vfio/container: Move dirty_pgsizes and max_dirty_bitmap_size to base containerEric Auger
No functional change intended. Signed-off-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>
2023-12-19vfio/container: Move listener to base containerEric Auger
Move listener to base container. Also error and initialized fields are moved at the same time. No functional change intended. Signed-off-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>
2023-12-19vfio/container: Move vrdl_list to base containerZhenzhong Duan
No functional change intended. Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>
2023-12-19vfio/container: Move pgsizes and dma_max_mappings to base containerEric Auger
No functional change intended. Signed-off-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>
2023-12-19vfio/container: Convert functions to base containerEric Auger
In the prospect to get rid of VFIOContainer refs in common.c lets convert misc functions to use the base container object instead: vfio_devices_all_dirty_tracking vfio_devices_all_device_dirty_tracking vfio_devices_all_running_and_mig_active vfio_devices_query_dirty_bitmap vfio_get_dirty_bitmap Signed-off-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>
2023-12-19vfio/container: Move per container device list in base containerZhenzhong Duan
VFIO Device is also changed to point to base container instead of legacy container. No functional change intended. Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>
2023-12-19vfio/container: Switch to IOMMU BE ↵Eric Auger
set_dirty_page_tracking/query_dirty_bitmap API dirty_pages_supported field is also moved to the base container No functional change intended. Signed-off-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>
2023-12-19vfio/container: Move space field to base containerEric Auger
Move the space field to the base object. Also the VFIOAddressSpace now contains a list of base containers. No functional change intended. Signed-off-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>
2023-12-19vfio/common: Move giommu_list in base containerEric Auger
Move the giommu_list field in the base container and store the base container in the VFIOGuestIOMMU. No functional change intended. Signed-off-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>
2023-12-19vfio/common: Introduce vfio_container_init/destroy helperZhenzhong Duan
This adds two helper functions vfio_container_init/destroy which will be used by both legacy and iommufd containers to do base container specific initialization and release. No functional change intended. Suggested-by: Cédric Le Goater <clg@redhat.com> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>
2023-12-19vfio/container: Switch to dma_map|unmap APIEric Auger
No functional change intended. Signed-off-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>
2023-12-19vfio/container: Introduce a empty VFIOIOMMUOpsZhenzhong Duan
This empty VFIOIOMMUOps named vfio_legacy_ops will hold all general IOMMU ops of legacy container. Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>
2023-12-19vfio: Introduce base object for VFIOContainer and targeted interfaceZhenzhong Duan
Introduce a dumb VFIOContainerBase object and its targeted interface. This is willingly not a QOM object because we don't want it to be visible from the user interface. The VFIOContainerBase will be smoothly populated in subsequent patches as well as interfaces. No functional change intended. Signed-off-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Signed-off-by: Cédric Le Goater <clg@redhat.com>
2023-12-19fsl-imx: add simple RTC emulation for i.MX6 and i.MX7 boardsNikita Ostrenkov
Signed-off-by: Nikita Ostrenkov <n.ostrenkov@gmail.com> Message-id: 20231216133408.2884-1-n.ostrenkov@gmail.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-12-12Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into stagingStefan Hajnoczi
Fix for building with Xen 4.18 # -----BEGIN PGP SIGNATURE----- # # iQFIBAABCAAyFiEE8TM4V0tmI4mGbHaCv/vSX3jHroMFAmV4M4AUHHBib256aW5p # QHJlZGhhdC5jb20ACgkQv/vSX3jHroOPgwgAhRYBI8Q7FO4LWZTi+ubYXfS1ZEVC # uy5eiyQNlymmAFFqutXLokvN1qsGhRlSeX5/uo5Tn6vWjkXPLlGikrecWHFSPmLS # 0s+4NOOfrM6gMm5CCqMzjQuogr4+xxiw/g+rxhWGhNqlL1jVG1+I6AU5EobMNlDA # gqd33OL509xkLVN6pCcmFwBInDHQl63YwOwVIR3cd2cfUW28M8DzGd9KULWJkZva # I51COEwo0EpLNC2ile7pnA8+8F79WBMgUdrhBzl/a8RHv7AvxAPQB/0TsZQknFo0 # PS3Y+yXdn2CT3KInu+QeW3kHkVoAdK06/cSOqIbEKuKgnZjEz0qFHq4K3A== # =SKW6 # -----END PGP SIGNATURE----- # gpg: Signature made Tue 12 Dec 2023 05:18:40 EST # gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83 # gpg: issuer "pbonzini@redhat.com" # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full] # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full] # Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * tag 'for-upstream' of https://gitlab.com/bonzini/qemu: xen: fix condition for skipping virtio-mmio defines meson, xen: fix condition for enabling the Xen accelerator Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-12-12xen: fix condition for skipping virtio-mmio definesPaolo Bonzini
GUEST_VIRTIO_MMIO_* was added in Xen 4.17, so only define them for CONFIG_XEN_CTRL_INTERFACE_VERSIONs up to 4.16. Reported-by: Daniel P. Berrangé <berrange@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-12-01osdep: add getloadavgMichael S. Tsirkin
getloadavg is supported on Linux, BSDs, Solaris. Following man page: RETURN VALUE If the load average was unobtainable, -1 is returned; otherwise, the number of samples actually retrieved is returned. accordingly, make stub for systems which don't support this function return -1 for consistency. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-11-28Merge tag 'misc-next-20231128' of https://github.com/philmd/qemu into stagingStefan Hajnoczi
Misc fixes for 8.2 * buildsys: Invoke bash via 'env' (Samuel) * doc: Fix example in s390-cpu-topology.rst (Zhao) * HW: Fix AVR ATMega reset stack (Gihun) and VT82C686 IRQ routing (Zoltan) # -----BEGIN PGP SIGNATURE----- # # iQIzBAABCAAdFiEE+qvnXhKRciHc/Wuy4+MsLN6twN4FAmVl7MUACgkQ4+MsLN6t # wN4nsQ//U7/GGrMaNJF369pC0UfC0dfD39RoD9jmmrWUQB17baMvXo+BMBcELX0Q # BtgRjIYwnywnVZlB11JL5Ql9ykSRqd7VeqnZfH//GqQO+ySF7jl6ekNT6YNjUbWu # iF9bU3o0/LAVl/3pe9LQ4q/yOjzERA5o4JKYviHZYcWE811/5lBNgER4iPyCz6a8 # aGI3S5PGmq6a9x5266jkY2WWldDy7D1ujkuvxxc4tgnmbBjL21soJ/oRLOBjGTNl # hCRfDTEiFZm7OxjV7oB03Nr3EGGStGdy0aPhhtFwzZxQ9yV7d2DLsbYGgwzZYkKQ # 9v4DtGqYyvDA7LBmfxOrnzL0WXgN4xO3qekLqHDtChDzFFEYwtHvH0duPUiQv1Yu # qHyOsfB58rKzWHeo0ACEjMWGdD1opCXCeoJlEf/saiQ5EgyBwph/z2mWYN4yak5H # Zu3xF15BcnyavC6sVeuE+rT574dhCzOtH8Vf3WVwqfL5D5cyCjHlmPSAXXMqBkmh # BMOD8O210n6IdzuuOQ038t3yGvIc0YysOmQgfLjRYlZa884q3wExgrufH+NYbGMj # bFthPjLKgHm+q4k2mH65G98xwXQFT6rdHanw2iEJcPJbhhk9SNWYgaQ0r0Oi2Pfd # zCQ22F1j9UqGcqKh+8tzAfjayRyQUJtgizPXEWanADkpIDYxrRk= # =323/ # -----END PGP SIGNATURE----- # gpg: Signature made Tue 28 Nov 2023 08:36:05 EST # 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 'misc-next-20231128' of https://github.com/philmd/qemu: docs/s390: Fix wrong command example in s390-cpu-topology.rst hw/avr/atmega: Fix wrong initial value of stack pointer hw/audio/via-ac97: Route interrupts using via_isa_set_irq() hw/isa/vt82c686: Route PIRQ inputs using via_isa_set_irq() hw/usb/vt82c686-uhci-pci: Use ISA instead of PCI interrupts hw/isa/vt82c686: Bring back via_isa_set_irq() target/hexagon/idef-parser/prepare: use env to invoke bash Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
generated by cgit v1.2.3 (git 2.26.2) at 2025-03-19 08:41:49 +0000