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2020-02-04trivial: Remove xenfb_enabled from sysemu.hThomas Huth
The define is only used in one other place. Move the code there instead of keeping this xen-specific define in sysemu.h. Message-Id: <20200121161747.10569-1-thuth@redhat.com> Acked-by: Paul Durrant <paul@xen.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-02-04include/sysemu/sysemu.h: Remove usused variable no_quitThomas Huth
The no_quit variable has been removed in commit 78782712a62d56 ("vl: drop no_quit variable"), so let's remove the extern declaration in the header now, too. Fixes: 78782712a62d ("vl: drop no_quit variable") Message-Id: <20200108192402.19672-1-thuth@redhat.com> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-02-03migration: Include migration support for machine check handlingAravinda Prasad
This patch includes migration support for machine check handling. Especially this patch blocks VM migration requests until the machine check error handling is complete as these errors are specific to the source hardware and is irrelevant on the target hardware. Signed-off-by: Aravinda Prasad <arawinda.p@gmail.com> [Do not set FWNMI cap in post_load, now its done in .apply hook] Signed-off-by: Ganesh Goudar <ganeshgr@linux.ibm.com> Message-Id: <20200130184423.20519-7-ganeshgr@linux.ibm.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-02-03ppc: spapr: Handle "ibm,nmi-register" and "ibm,nmi-interlock" RTAS callsAravinda Prasad
This patch adds support in QEMU to handle "ibm,nmi-register" and "ibm,nmi-interlock" RTAS calls. The machine check notification address is saved when the OS issues "ibm,nmi-register" RTAS call. This patch also handles the case when multiple processors experience machine check at or about the same time by handling "ibm,nmi-interlock" call. In such cases, as per PAPR, subsequent processors serialize waiting for the first processor to issue the "ibm,nmi-interlock" call. The second processor that also received a machine check error waits till the first processor is done reading the error log. The first processor issues "ibm,nmi-interlock" call when the error log is consumed. Signed-off-by: Aravinda Prasad <arawinda.p@gmail.com> [Register fwnmi RTAS calls in core_rtas_register_types() where other RTAS calls are registered] Signed-off-by: Ganesh Goudar <ganeshgr@linux.ibm.com> Message-Id: <20200130184423.20519-6-ganeshgr@linux.ibm.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-02-03target/ppc: Build rtas error log upon an MCEAravinda Prasad
Upon a machine check exception (MCE) in a guest address space, KVM causes a guest exit to enable QEMU to build and pass the error to the guest in the PAPR defined rtas error log format. This patch builds the rtas error log, copies it to the rtas_addr and then invokes the guest registered machine check handler. The handler in the guest takes suitable action(s) depending on the type and criticality of the error. For example, if an error is unrecoverable memory corruption in an application inside the guest, then the guest kernel sends a SIGBUS to the application. For recoverable errors, the guest performs recovery actions and logs the error. Signed-off-by: Aravinda Prasad <arawinda.p@gmail.com> [Assume SLOF has allocated enough room for rtas error log] Signed-off-by: Ganesh Goudar <ganeshgr@linux.ibm.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Message-Id: <20200130184423.20519-5-ganeshgr@linux.ibm.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-02-03target/ppc: Handle NMI guest exitAravinda Prasad
Memory error such as bit flips that cannot be corrected by hardware are passed on to the kernel for handling. If the memory address in error belongs to guest then the guest kernel is responsible for taking suitable action. Patch [1] enhances KVM to exit guest with exit reason set to KVM_EXIT_NMI in such cases. This patch handles KVM_EXIT_NMI exit. [1] https://www.spinics.net/lists/kvm-ppc/msg12637.html (e20bbd3d and related commits) Signed-off-by: Aravinda Prasad <arawinda.p@gmail.com> Signed-off-by: Ganesh Goudar <ganeshgr@linux.ibm.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Greg Kurz <groug@kaod.org> Message-Id: <20200130184423.20519-4-ganeshgr@linux.ibm.com> [dwg: #ifdefs to fix compile for 32-bit target] Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-02-03ppc: spapr: Introduce FWNMI capabilityAravinda Prasad
Introduce fwnmi an spapr capability and add a helper function which tries to enable it, which would be used by following patch of the series. This patch by itself does not change the existing behavior. Signed-off-by: Aravinda Prasad <arawinda.p@gmail.com> [eliminate cap_ppc_fwnmi, add fwnmi cap to migration state and reprhase the commit message] Signed-off-by: Ganesh Goudar <ganeshgr@linux.ibm.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Message-Id: <20200130184423.20519-3-ganeshgr@linux.ibm.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-02-03Wrapper function to wait on condition for the main loop mutexAravinda Prasad
Introduce a wrapper function to wait on condition for the main loop mutex. This function atomically releases the main loop mutex and causes the calling thread to block on the condition. This wrapper is required because qemu_global_mutex is a static variable. Signed-off-by: Aravinda Prasad <arawinda.p@gmail.com> Signed-off-by: Ganesh Goudar <ganeshgr@linux.ibm.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Greg Kurz <groug@kaod.org> Message-Id: <20200130184423.20519-2-ganeshgr@linux.ibm.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-02-02ppc/pnv: Add models for POWER8 PHB3 PCIe Host bridgeCédric Le Goater
This is a model of the PCIe Host Bridge (PHB3) found on a POWER8 processor. It includes the PowerBus logic interface (PBCQ), IOMMU support, a single PCIe Gen.3 Root Complex, and support for MSI and LSI interrupt sources as found on a POWER8 system using the XICS interrupt controller. The POWER8 processor comes in different flavors: Venice, Murano, Naple, each having a different number of PHBs. To make things simpler, the models provides 3 PHB3 per chip. Some platforms, like the Firestone, can also couple PHBs on the first chip to provide more bandwidth but this is too specific to model in QEMU. XICS requires some adjustment to support the PHB3 MSI. The changes are provided here but they could be decoupled in prereq patches. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Cédric Le Goater <clg@kaod.org> Message-Id: <20200127144506.11132-3-clg@kaod.org> [dwg: Use device_class_set_props()] Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-02-02ppc/pnv: Add models for POWER9 PHB4 PCIe Host bridgeBenjamin Herrenschmidt
These changes introduces models for the PCIe Host Bridge (PHB4) of the POWER9 processor. It includes the PowerBus logic interface (PBCQ), IOMMU support, a single PCIe Gen.4 Root Complex, and support for MSI and LSI interrupt sources as found on a POWER9 system using the XIVE interrupt controller. POWER9 processor comes with 3 PHB4 PEC (PCI Express Controller) and each PEC can have several PHBs. By default, * PEC0 provides 1 PHB (PHB0) * PEC1 provides 2 PHBs (PHB1 and PHB2) * PEC2 provides 3 PHBs (PHB3, PHB4 and PHB5) Each PEC has a set "global" registers and some "per-stack" (per-PHB) registers. Those are organized in two XSCOM ranges, the "Nest" range and the "PCI" range, each range contains both some "PEC" registers and some "per-stack" registers. No default device layout is provided and PCI devices can be added on any of the available PCIe Root Port (pcie.0 .. 2 of a Power9 chip) with address 0x0 as the firwware (skiboot) only accepts a single device per root port. To run a simple system with a network and a storage adapters, use a command line options such as : -device e1000e,netdev=net0,mac=C0:FF:EE:00:00:02,bus=pcie.0,addr=0x0 -netdev bridge,id=net0,helper=/usr/libexec/qemu-bridge-helper,br=virbr0,id=hostnet0 -device megasas,id=scsi0,bus=pcie.1,addr=0x0 -drive file=$disk,if=none,id=drive-scsi0-0-0-0,format=qcow2,cache=none -device scsi-hd,bus=scsi0.0,channel=0,scsi-id=0,lun=0,drive=drive-scsi0-0-0-0,id=scsi0-0-0-0,bootindex=2 If more are needed, include a bridge. Multi chip is supported, each chip adding its set of PHB4 controllers and its PCI busses. The model doesn't emulate the EEH error handling. This model is not ready for hotplug yet. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> [ clg: - numerous cleanups - commit log - fix for broken LSI support - PHB pic printinfo - large QOM rework ] Signed-off-by: Cédric Le Goater <clg@kaod.org> Message-Id: <20200127144506.11132-2-clg@kaod.org> [dwg: Use device_class_set_props()] Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-02-02tpm_spapr: Support TPM for ppc64 using CRQ based interfaceStefan Berger
Implement support for TPM on ppc64 by implementing the vTPM CRQ interface as a frontend. It can use the tpm_emulator driver backend with the external swtpm. The Linux vTPM driver for ppc64 works with this emulation. This TPM emulator also handles the TPM 2 case. Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Message-Id: <20200121152935.649898-4-stefanb@linux.ibm.com> [dwg: Use device_class_set_props(), tweak Kconfig] Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-02-02spapr: Implement get_dt_compatible() callbackStefan Berger
For devices that cannot be statically initialized, implement a get_dt_compatible() callback that allows us to ask the device for the 'compatible' value. Signed-off-by: Stefan Berger <stefanb@linux.ibm.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Message-Id: <20200121152935.649898-3-stefanb@linux.ibm.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-02-02ppc/pnv: Add support for "hostboot" modeCédric Le Goater
When the "hb-mode" option is activated on the powernv machine, the firmware is mapped at 0x8000000 and the HRMOR of the HW threads are set to the same address. The PNOR mapping on the FW address space of the LPC bus is left enabled to let the firmware load any other images required to boot the host. Signed-off-by: Cédric Le Goater <clg@kaod.org> Message-Id: <20200127144154.10170-4-clg@kaod.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-02-02hw/ppc/prep: Remove the deprecated "prep" machine and the OpenHackware BIOSThomas Huth
It's been deprecated since QEMU v3.1. The 40p machine should be used nowadays instead. Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Acked-by: Hervé Poussineau <hpoussin@reactos.org> Signed-off-by: Thomas Huth <thuth@redhat.com> Message-Id: <20200114114617.28854-1-thuth@redhat.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-01-30blockdev: adds bdrv_parse_aio to use io_uringAarushi Mehta
Signed-off-by: Aarushi Mehta <mehta.aaru20@gmail.com> Acked-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20200120141858.587874-8-stefanha@redhat.com Message-Id: <20200120141858.587874-8-stefanha@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-01-30block/io_uring: implements interfaces for io_uringAarushi Mehta
Aborts when sqe fails to be set as sqes cannot be returned to the ring. Adds slow path for short reads for older kernels Signed-off-by: Aarushi Mehta <mehta.aaru20@gmail.com> Acked-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20200120141858.587874-5-stefanha@redhat.com Message-Id: <20200120141858.587874-5-stefanha@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-01-30block/block: add BDRV flag for io_uringAarushi Mehta
Signed-off-by: Aarushi Mehta <mehta.aaru20@gmail.com> Reviewed-by: Maxim Levitsky <maximlevitsky@gmail.com> Acked-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 20200120141858.587874-4-stefanha@redhat.com Message-Id: <20200120141858.587874-4-stefanha@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-01-30block/io: wait for serialising requests when a request becomes serialisingPaolo Bonzini
Marking without waiting would not result in actual serialising behavior. Thus, make a call bdrv_mark_request_serialising sufficient for serialisation to happen. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1578495356-46219-3-git-send-email-pbonzini@redhat.com Message-Id: <1578495356-46219-3-git-send-email-pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-01-30block: eliminate BDRV_REQ_NO_SERIALISINGPaolo Bonzini
It is unused since commit 00e30f0 ("block/backup: use backup-top instead of write notifiers", 2019-10-01), drop it to simplify the code. While at it, drop redundant assertions on flags. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1578495356-46219-2-git-send-email-pbonzini@redhat.com Message-Id: <1578495356-46219-2-git-send-email-pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-01-30target/arm/cpu: Add the kvm-no-adjvtime CPU propertyAndrew Jones
kvm-no-adjvtime is a KVM specific CPU property and a first of its kind. To accommodate it we also add kvm_arm_add_vcpu_properties() and a KVM specific CPU properties description to the CPU features document. Signed-off-by: Andrew Jones <drjones@redhat.com> Message-id: 20200120101023.16030-7-drjones@redhat.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-30hw/core: deprecate old reset functions and introduce new onesDamien Hedde
Deprecate device_legacy_reset(), qdev_reset_all() and qbus_reset_all() to be replaced by new functions device_cold_reset() and bus_cold_reset() which uses resettable API. Also introduce resettable_cold_reset_fn() which may be used as a replacement for qdev_reset_all_fn and qbus_reset_all_fn(). Following patches will be needed to look at legacy reset call sites and switch to resettable api. The legacy functions will be removed when unused. Signed-off-by: Damien Hedde <damien.hedde@greensocs.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20200123132823.1117486-9-damien.hedde@greensocs.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-30hw/core/qdev: update hotplug reset regarding resettableDamien Hedde
This commit make use of the resettable API to reset the device being hotplugged when it is realized. Also it ensures it is put in a reset state coherent with the parent it is plugged into. Note that there is a difference in the reset. Instead of resetting only the hotplugged device, we reset also its subtree (switch to resettable API). This is not expected to be a problem because sub-buses are just realized too. If a hotplugged device has any sub-buses it is logical to reset them too at this point. The recently added should_be_hidden and PCI's partially_hotplugged mechanisms do not interfere with realize operation: + In the should_be_hidden use case, device creation is delayed. + The partially_hotplugged mechanism prevents a device to be unplugged and unrealized from qdev POV and unrealized. Signed-off-by: Damien Hedde <damien.hedde@greensocs.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20200123132823.1117486-8-damien.hedde@greensocs.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-30hw/core/resettable: add support for changing parentDamien Hedde
Add a function resettable_change_parent() to do the required plumbing when changing the parent a of Resettable object. We need to make sure that the reset state of the object remains coherent with the reset state of the new parent. We make the 2 following hypothesis: + when an object is put in a parent under reset, the object goes in reset. + when an object is removed from a parent under reset, the object leaves reset. The added function avoids any glitch if both old and new parent are already in reset. Signed-off-by: Damien Hedde <damien.hedde@greensocs.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20200123132823.1117486-6-damien.hedde@greensocs.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-30hw/core: add Resettable support to BusClass and DeviceClassDamien Hedde
This commit adds support of Resettable interface to buses and devices: + ResettableState structure is added in the Bus/Device state + Resettable methods are implemented. + device/bus_is_in_reset function defined This commit allows to transition the objects to the new multi-phase interface without changing the reset behavior at all. Object single reset method can be split into the 3 different phases but the 3 phases are still executed in a row for a given object. From the qdev/qbus reset api point of view, nothing is changed. qdev_reset_all() and qbus_reset_all() are not modified as well as device_legacy_reset(). Transition of an object must be done from parent class to child class. Care has been taken to allow the transition of a parent class without requiring the child classes to be transitioned at the same time. Note that SysBus and SysBusDevice class do not need any transition because they do not override the legacy reset method. Signed-off-by: Damien Hedde <damien.hedde@greensocs.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20200123132823.1117486-5-damien.hedde@greensocs.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-30hw/core: create Resettable QOM interfaceDamien Hedde
This commit defines an interface allowing multi-phase reset. This aims to solve a problem of the actual single-phase reset (built in DeviceClass and BusClass): reset behavior is dependent on the order in which reset handlers are called. In particular doing external side-effect (like setting an qemu_irq) is problematic because receiving object may not be reset yet. The Resettable interface divides the reset in 3 well defined phases. To reset an object tree, all 1st phases are executed then all 2nd then all 3rd. See the comments in include/hw/resettable.h for a more complete description. The interface defines 3 phases to let the future possibility of holding an object into reset for some time. The qdev/qbus reset in DeviceClass and BusClass will be modified in following commits to use this interface. A mechanism is provided to allow executing a transitional reset handler in place of the 2nd phase which is executed in children-then-parent order inside a tree. This will allow to transition devices and buses smoothly while keeping the exact current qdev/qbus reset behavior for now. Documentation will be added in a following commit. Signed-off-by: Damien Hedde <damien.hedde@greensocs.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20200123132823.1117486-4-damien.hedde@greensocs.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-30add device_legacy_reset function to prepare for reset api changeDamien Hedde
Provide a temporary device_legacy_reset function doing what device_reset does to prepare for the transition with Resettable API. All occurrence of device_reset in the code tree are also replaced by device_legacy_reset. The new resettable API has different prototype and semantics (resetting child buses as well as the specified device). Subsequent commits will make the changeover for each call site individually; once that is complete device_legacy_reset() will be removed. Signed-off-by: Damien Hedde <damien.hedde@greensocs.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Acked-by: David Gibson <david@gibson.dropbear.id.au> Acked-by: Cornelia Huck <cohuck@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20200123132823.1117486-2-damien.hedde@greensocs.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-30hw/arm/aspeed: add a 'execute-in-place' property to boot directly from CE0Cédric Le Goater
The overhead for the OpenBMC firmware images using the a custom U-Boot is around 2 seconds, which is fine, but with a U-Boot from mainline, it takes an extra 50 seconds or so to reach Linux. A quick survey on the number of reads performed on the flash memory region gives the following figures : OpenBMC U-Boot 922478 (~ 3.5 MBytes) Mainline U-Boot 20569977 (~ 80 MBytes) QEMU must be trashing the TCG TBs and reloading text very often. Some addresses are read more than 250.000 times. Until we find a solution to improve boot time, execution from MMIO is not activated by default. Setting this option also breaks migration compatibility. Signed-off-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-id: 20200114103433.30534-5-clg@kaod.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-30hw/arm: ast2600: Wire up the eMMC controllerAndrew Jeffery
Initialise another SDHCI model instance for the AST2600's eMMC controller and use the SDHCI's num_slots value introduced previously to determine whether we should create an SD card instance for the new slot. Signed-off-by: Andrew Jeffery <andrew@aj.id.au> Reviewed-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Cédric Le Goater <clg@kaod.org> Message-id: 20200114103433.30534-3-clg@kaod.org [ clg : - removed ternary operator from sdhci_attach_drive() - renamed SDHCI objects with a '-controller' prefix ] Signed-off-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-30hw/sd: Configure number of slots exposed by the ASPEED SDHCI modelAndrew Jeffery
The AST2600 includes a second cut-down version of the SD/MMC controller found in the AST2500, named the eMMC controller. It's cut down in the sense that it only supports one slot rather than two, but it brings the total number of slots supported by the AST2600 to three. The existing code assumed that the SD controller always provided two slots. Rework the SDHCI object to expose the number of slots as a property to be set by the SoC configuration. Signed-off-by: Andrew Jeffery <andrew@aj.id.au> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: Cédric Le Goater <clg@kaod.org> Message-id: 20200114103433.30534-2-clg@kaod.org [PMM: fixed up to use device_class_set_props()] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-30Merge remote-tracking branch 'remotes/amarkovic/tags/mips-queue-jan-29-2020' ↵Peter Maydell
into staging MIPS queue for January 29th, 2020 # gpg: Signature made Wed 29 Jan 2020 18:29:43 GMT # gpg: using RSA key D4972A8967F75A65 # gpg: Good signature from "Aleksandar Markovic <amarkovic@wavecomp.com>" [full] # Primary key fingerprint: 8526 FBF1 5DA3 811F 4A01 DD75 D497 2A89 67F7 5A65 * remotes/amarkovic/tags/mips-queue-jan-29-2020: target/mips: Add implementation of GINVT instruction target/mips: Amend CP0 WatchHi register implementation hw/core/loader: Let load_elf() populate a field with CPU-specific flags target/mips: semihosting: Remove 'uhi_done' label in helper_do_semihosting() disas: Add a field for target-dependant data to disassemble_info target/mips: Rectify documentation on deprecating MIPS r4k machine Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-29hw/core/loader: Let load_elf() populate a field with CPU-specific flagsAleksandar Markovic
While loading the executable, some platforms (like AVR) need to detect CPU type that executable is built for - and, with this patch, this is enabled by reading the field 'e_flags' of the ELF header of the executable in question. The change expands functionality of the following functions: - load_elf() - load_elf_as() - load_elf_ram() - load_elf_ram_sym() The argument added to these functions is called 'pflags' and is of type 'uint32_t*' (that matches 'pointer to 'elf_word'', 'elf_word' being the type of the field 'e_flags', in both 32-bit and 64-bit variants of ELF header). Callers are allowed to pass NULL as that argument, and in such case no lookup to the field 'e_flags' will happen, and no information will be returned, of course. CC: Richard Henderson <rth@twiddle.net> CC: Peter Maydell <peter.maydell@linaro.org> CC: Edgar E. Iglesias <edgar.iglesias@gmail.com> CC: Michael Walle <michael@walle.cc> CC: Thomas Huth <huth@tuxfamily.org> CC: Laurent Vivier <laurent@vivier.eu> CC: Philippe Mathieu-Daudé <f4bug@amsat.org> CC: Aleksandar Rikalo <aleksandar.rikalo@rt-rk.com> CC: Aurelien Jarno <aurelien@aurel32.net> CC: Jia Liu <proljc@gmail.com> CC: David Gibson <david@gibson.dropbear.id.au> CC: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> CC: BALATON Zoltan <balaton@eik.bme.hu> CC: Christian Borntraeger <borntraeger@de.ibm.com> CC: Thomas Huth <thuth@redhat.com> CC: Artyom Tarasenko <atar4qemu@gmail.com> CC: Fabien Chouteau <chouteau@adacore.com> CC: KONRAD Frederic <frederic.konrad@adacore.com> CC: Max Filippov <jcmvbkbc@gmail.com> Reviewed-by: Aleksandar Rikalo <aleksandar.rikalo@rt-rk.com> Signed-off-by: Michael Rolnik <mrolnik@gmail.com> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com> Message-Id: <1580079311-20447-24-git-send-email-aleksandar.markovic@rt-rk.com>
2020-01-29disas: Add a field for target-dependant data to disassemble_infoAleksandar Markovic
This patch adds a field "target_info" to the structure disassemble_info. The purpose of this field is to enable targets to pass to disassembler code any additional data thet deem suitable. Reviewed-by: Aleksandar Rikalo <aleksandar.rikalo@rt-rk.com> Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com> Message-Id: <1579883929-1517-6-git-send-email-aleksandar.markovic@rt-rk.com>
2020-01-29migration: Simplify get_qlistEric Auger
Instead of inserting read elements at the head and then reversing the list, it is simpler to add each element after the previous one. Introduce QLIST_RAW_INSERT_AFTER helper and use it in get_qlist(). Signed-off-by: Eric Auger <eric.auger@redhat.com> Suggested-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
2020-01-29ram_addr: Split RAMBlock definitionJuan Quintela
We need some of the fields without having to poison everything else. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-01-27hppa: add emulation of LASI PS2 controllersSven Schnelle
Signed-off-by: Sven Schnelle <svens@stackframe.org> Message-Id: <20191220211512.3289-5-svens@stackframe.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-01-27hppa: Add support for LASI chip with i82596 NICHelge Deller
LASI is a built-in multi-I/O chip which supports serial, parallel, network (Intel i82596 Apricot), sound and other functionalities. LASI has been used in many HP PARISC machines. This patch adds the necessary parts to allow Linux and HP-UX to detect LASI and the network card. Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Sven Schnelle <svens@stackframe.org> Message-Id: <20191220211512.3289-3-svens@stackframe.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-01-27Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell
* Register qdev properties as class properties (Marc-André) * Cleanups (Philippe) * virtio-scsi fix (Pan Nengyuan) * Tweak Skylake-v3 model id (Kashyap) * x86 UCODE_REV support and nested live migration fix (myself) * Advisory mode for pvpanic (Zhenwei) # gpg: Signature made Fri 24 Jan 2020 20:16:23 GMT # gpg: using RSA key BFFBD25F78C7AE83 # 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 * remotes/bonzini/tags/for-upstream: (58 commits) build-sys: clean up flags included in the linker command line target/i386: Add the 'model-id' for Skylake -v3 CPU models qdev: use object_property_help() qapi/qmp: add ObjectPropertyInfo.default-value qom: introduce object_property_help() qom: simplify qmp_device_list_properties() vl: print default value in object help qdev: register properties as class properties qdev: move instance properties to class properties qdev: rename DeviceClass.props qdev: set properties with device_class_set_props() object: return self in object_ref() object: release all props object: add object_class_property_add_link() object: express const link with link property object: add direct link flag object: rename link "child" to "target" object: check strong flag with & object: do not free class properties object: add object_property_set_default ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-24qom: introduce object_property_help()Marc-André Lureau
Let's factor out the code to format a help string for a property. We are going to reuse it in qdev next, which will bring some consistency. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20200110153039.1379601-25-marcandre.lureau@redhat.com> [Adjust for removal of object_property_get_default, move default after description. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-24qdev: register properties as class propertiesMarc-André Lureau
Use class properties facilities to add properties to the class during device_class_set_props(). qdev_property_add_static() must be adapted as PropertyInfo now operates with classes (and not instances), so we must set_default_value() on the ObjectProperty, before calling its init() method on the object instance. Also, PropertyInfo.create() is now exclusively used for class properties. Fortunately, qdev_property_add_static() is only used in target/arm/cpu.c so far, which doesn't use "link" properties (that require create()). Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20200110153039.1379601-22-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-24qdev: rename DeviceClass.propsPaolo Bonzini
Ensure that conflicts in the future will cause a syntax error. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-24qdev: set properties with device_class_set_props()Marc-André Lureau
The following patch will need to handle properties registration during class_init time. Let's use a device_class_set_props() setter. spatch --macro-file scripts/cocci-macro-file.h --sp-file ./scripts/coccinelle/qdev-set-props.cocci --keep-comments --in-place --dir . @@ typedef DeviceClass; DeviceClass *d; expression val; @@ - d->props = val + device_class_set_props(d, val) Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20200110153039.1379601-20-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-24object: return self in object_ref()Marc-André Lureau
This allow for simpler assignment with ref: foo = object_ref(bar) Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20200110153039.1379601-19-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-24object: add object_class_property_add_link()Marc-André Lureau
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20200110153039.1379601-17-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-24object: add direct link flagMarc-André Lureau
Allow the link property to hold the pointer to the target, instead of indirectly through another variable. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20200110153039.1379601-15-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-24object: rename link "child" to "target"Marc-André Lureau
A child property is a different kind of property. Let's use "target" for the link target. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20200110153039.1379601-14-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-24object: add object_property_set_defaultMarc-André Lureau
Add a default value to ObjectProperty and an implementation of ObjectPropertyInit that uses it. This will make it easier to show the default in help messages. Also provide convenience functions object_property_set_default_{bool, str, int, uint}(). Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20200110153039.1379601-11-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-24qstring: add qstring_free()Marc-André Lureau
Similar to g_string_free(), optionally return the underlying char*. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20200110153039.1379601-10-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-24object: make object_class_property_add* return propertyMarc-André Lureau
This will help calling other ObjectProperty associated functions easily after. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20200110153039.1379601-9-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-24object: add class property initializerMarc-André Lureau
This callback is used to set default value in following patch "object: add object_property_set_defaut_{bool,str,int,uint}()". Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20200110153039.1379601-7-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-24qdev: move helper function to monitor/miscMarc-André Lureau
Move the one-user function to the place it is being used. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20200110153039.1379601-5-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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