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2020-07-10error: Eliminate error_propagate() with Coccinelle, part 2Markus Armbruster1-2/+1
When all we do with an Error we receive into a local variable is propagating to somewhere else, we can just as well receive it there right away. The previous commit did that with a Coccinelle script I consider fairly trustworthy. This commit uses the same script with the matching of return taken out, i.e. we convert if (!foo(..., &err)) { ... error_propagate(errp, err); ... } to if (!foo(..., errp)) { ... ... } This is unsound: @err could still be read between afterwards. I don't know how to express "no read of @err without an intervening write" in Coccinelle. Instead, I manually double-checked for uses of @err. Suboptimal line breaks tweaked manually. qdev_realize() simplified further to placate scripts/checkpatch.pl. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20200707160613.848843-36-armbru@redhat.com>
2020-07-10error: Eliminate error_propagate() with Coccinelle, part 1Markus Armbruster2-8/+3
When all we do with an Error we receive into a local variable is propagating to somewhere else, we can just as well receive it there right away. Convert if (!foo(..., &err)) { ... error_propagate(errp, err); ... return ... } to if (!foo(..., errp)) { ... ... return ... } where nothing else needs @err. Coccinelle script: @rule1 forall@ identifier fun, err, errp, lbl; expression list args, args2; binary operator op; constant c1, c2; symbol false; @@ if ( ( - fun(args, &err, args2) + fun(args, errp, args2) | - !fun(args, &err, args2) + !fun(args, errp, args2) | - fun(args, &err, args2) op c1 + fun(args, errp, args2) op c1 ) ) { ... when != err when != lbl: when strict - error_propagate(errp, err); ... when != err ( return; | return c2; | return false; ) } @rule2 forall@ identifier fun, err, errp, lbl; expression list args, args2; expression var; binary operator op; constant c1, c2; symbol false; @@ - var = fun(args, &err, args2); + var = fun(args, errp, args2); ... when != err if ( ( var | !var | var op c1 ) ) { ... when != err when != lbl: when strict - error_propagate(errp, err); ... when != err ( return; | return c2; | return false; | return var; ) } @depends on rule1 || rule2@ identifier err; @@ - Error *err = NULL; ... when != err Not exactly elegant, I'm afraid. The "when != lbl:" is necessary to avoid transforming if (fun(args, &err)) { goto out } ... out: error_propagate(errp, err); even though other paths to label out still need the error_propagate(). For an actual example, see sclp_realize(). Without the "when strict", Coccinelle transforms vfio_msix_setup(), incorrectly. I don't know what exactly "when strict" does, only that it helps here. The match of return is narrower than what I want, but I can't figure out how to express "return where the operand doesn't use @err". For an example where it's too narrow, see vfio_intx_enable(). Silently fails to convert hw/arm/armsse.c, because Coccinelle gets confused by ARMSSE being used both as typedef and function-like macro there. Converted manually. Line breaks tidied up manually. One nested declaration of @local_err deleted manually. Preexisting unwanted blank line dropped in hw/riscv/sifive_e.c. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20200707160613.848843-35-armbru@redhat.com>
2020-07-10qapi: Use returned bool to check for failure, Coccinelle partMarkus Armbruster1-2/+1
The previous commit enables conversion of visit_foo(..., &err); if (err) { ... } to if (!visit_foo(..., errp)) { ... } for visitor functions that now return true / false on success / error. Coccinelle script: @@ identifier fun =~ "check_list|input_type_enum|lv_start_struct|lv_type_bool|lv_type_int64|lv_type_str|lv_type_uint64|output_type_enum|parse_type_bool|parse_type_int64|parse_type_null|parse_type_number|parse_type_size|parse_type_str|parse_type_uint64|print_type_bool|print_type_int64|print_type_null|print_type_number|print_type_size|print_type_str|print_type_uint64|qapi_clone_start_alternate|qapi_clone_start_list|qapi_clone_start_struct|qapi_clone_type_bool|qapi_clone_type_int64|qapi_clone_type_null|qapi_clone_type_number|qapi_clone_type_str|qapi_clone_type_uint64|qapi_dealloc_start_list|qapi_dealloc_start_struct|qapi_dealloc_type_anything|qapi_dealloc_type_bool|qapi_dealloc_type_int64|qapi_dealloc_type_null|qapi_dealloc_type_number|qapi_dealloc_type_str|qapi_dealloc_type_uint64|qobject_input_check_list|qobject_input_check_struct|qobject_input_start_alternate|qobject_input_start_list|qobject_input_start_struct|qobject_input_type_any|qobject_input_type_bool|qobject_input_type_bool_keyval|qobject_input_type_int64|qobject_input_type_int64_keyval|qobject_input_type_null|qobject_input_type_number|qobject_input_type_number_keyval|qobject_input_type_size_keyval|qobject_input_type_str|qobject_input_type_str_keyval|qobject_input_type_uint64|qobject_input_type_uint64_keyval|qobject_output_start_list|qobject_output_start_struct|qobject_output_type_any|qobject_output_type_bool|qobject_output_type_int64|qobject_output_type_null|qobject_output_type_number|qobject_output_type_str|qobject_output_type_uint64|start_list|visit_check_list|visit_check_struct|visit_start_alternate|visit_start_list|visit_start_struct|visit_type_.*"; expression list args; typedef Error; Error *err; @@ - fun(args, &err); - if (err) + if (!fun(args, &err)) { ... } A few line breaks tidied up manually. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20200707160613.848843-19-armbru@redhat.com>
2020-07-02vfio: Convert to ram_block_discard_disable()David Hildenbrand4-36/+42
VFIO is (except devices without a physical IOMMU or some mediated devices) incompatible with discarding of RAM. The kernel will pin basically all VM memory. Let's convert to ram_block_discard_disable(), which can now fail, in contrast to qemu_balloon_inhibit(). Leave "x-balloon-allowed" named as it is for now. Reviewed-by: Tony Krowiak <akrowiak@linux.ibm.com> Acked-by: Cornelia Huck <cohuck@redhat.com> Cc: Cornelia Huck <cohuck@redhat.com> Cc: Alex Williamson <alex.williamson@redhat.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Tony Krowiak <akrowiak@linux.ibm.com> Cc: Halil Pasic <pasic@linux.ibm.com> Cc: Pierre Morel <pmorel@linux.ibm.com> Cc: Eric Farman <farman@linux.ibm.com> Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20200626072248.78761-4-david@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-06-18vfio-ccw: Add support for the CRW region and IRQFarhan Ali1-0/+73
The crw region can be used to obtain information about Channel Report Words (CRW) from vfio-ccw driver. Currently only channel-path related CRWs are passed to QEMU from vfio-ccw driver. Signed-off-by: Farhan Ali <alifm@linux.ibm.com> Signed-off-by: Eric Farman <farman@linux.ibm.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Message-Id: <20200505125757.98209-7-farman@linux.ibm.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2020-06-18vfio-ccw: Refactor ccw irq handlerEric Farman1-16/+42
Make it easier to add new ones in the future. Signed-off-by: Eric Farman <farman@linux.ibm.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Message-Id: <20200505125757.98209-5-farman@linux.ibm.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2020-06-18vfio-ccw: Add support for the schib regionFarhan Ali1-0/+63
The schib region can be used to obtain the latest SCHIB from the host passthrough subchannel. Since the guest SCHIB is virtualized, we currently only update the path related information so that the guest is aware of any path related changes when it issues the 'stsch' instruction. Signed-off-by: Farhan Ali <alifm@linux.ibm.com> Signed-off-by: Eric Farman <farman@linux.ibm.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Message-Id: <20200505125757.98209-4-farman@linux.ibm.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2020-06-18vfio-ccw: Refactor cleanup of regionsEric Farman1-5/+9
While we're at it, add a g_free() for the async_cmd_region that is the last thing currently created. g_free() knows how to handle NULL pointers, so this makes it easier to remember what cleanups need to be performed when new regions are added. Signed-off-by: Eric Farman <farman@linux.ibm.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Message-Id: <20200505125757.98209-3-farman@linux.ibm.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2020-06-12Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell1-22/+15
* Miscellaneous fixes and feature enablement (many) * SEV refactoring (David) * Hyper-V initial support (Jon) * i386 TCG fixes (x87 and SSE, Joseph) * vmport cleanup and improvements (Philippe, Liran) * Use-after-free with vCPU hot-unplug (Nengyuan) * run-coverity-scan improvements (myself) * Record/replay fixes (Pavel) * -machine kernel_irqchip=split improvements for INTx (Peter) * Code cleanups (Philippe) * Crash and security fixes (PJP) * HVF cleanups (Roman) # gpg: Signature made Fri 12 Jun 2020 16:57:04 BST # 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 * remotes/bonzini/tags/for-upstream: (116 commits) target/i386: Remove obsolete TODO file stubs: move Xen stubs to accel/ replay: fix replay shutdown for console mode exec/cpu-common: Move MUSB specific typedefs to 'hw/usb/hcd-musb.h' hw/usb: Move device-specific declarations to new 'hcd-musb.h' header exec/memory: Remove unused MemoryRegionMmio type checkpatch: reversed logic with acpi test checks target/i386: sev: Unify SEVState and SevGuestState target/i386: sev: Remove redundant handle field target/i386: sev: Remove redundant policy field target/i386: sev: Remove redundant cbitpos and reduced_phys_bits fields target/i386: sev: Partial cleanup to sev_state global target/i386: sev: Embed SEVState in SevGuestState target/i386: sev: Rename QSevGuestInfo target/i386: sev: Move local structure definitions into .c file target/i386: sev: Remove unused QSevGuestInfoClass xen: fix build without pci passthrough i386: hvf: Drop HVFX86EmulatorState i386: hvf: Move mmio_buf into CPUX86State i386: hvf: Move lazy_flags into CPUX86State ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org> # Conflicts: # hw/i386/acpi-build.c
2020-06-11hw/vfio/pci-quirks: Fix broken legacy IGD passthroughThomas Huth1-0/+1
The #ifdef CONFIG_VFIO_IGD in pci-quirks.c is not working since the required header config-devices.h is not included, so that the legacy IGD passthrough is currently broken. Let's include the right header to fix this issue. Buglink: https://bugs.launchpad.net/qemu/+bug/1882784 Fixes: 29d62771c81d ("hw/vfio: Move the IGD quirk code to a separate file") Signed-off-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2020-06-11hw/vfio: Add VMD Passthrough QuirkJon Derrick1-12/+72
The VMD endpoint provides a real PCIe domain to the guest, including bridges and endpoints. Because the VMD domain is enumerated by the guest kernel, the guest kernel will assign Guest Physical Addresses to the downstream endpoint BARs and bridge windows. When the guest kernel performs MMIO to VMD sub-devices, MMU will translate from the guest address space to the physical address space. Because the bridges have been programmed with guest addresses, the bridges will reject the transaction containing physical addresses. VMD device 28C0 natively assists passthrough by providing the Host Physical Address in shadow registers accessible to the guest for bridge window assignment. The shadow registers are valid if bit 1 is set in VMD VMLOCK config register 0x70. In order to support existing VMDs, this quirk provides the shadow registers in a vendor-specific PCI capability to the vfio-passthrough device for all VMD device ids which don't natively assist with passthrough. The Linux VMD driver is updated to check for this new vendor-specific capability. Signed-off-by: Jon Derrick <jonathan.derrick@intel.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2020-06-10vfio/pci: Use kvm_irqchip_add_irqfd_notifier_gsi() for irqfdsPeter Xu1-22/+15
VFIO is currently the only one left that is not using the generic function (kvm_irqchip_add_irqfd_notifier_gsi()) to register irqfds. Let VFIO use the common framework too. Follow up patches will introduce extra features for kvm irqfd, so that VFIO can easily leverage that after the switch. Reviewed-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Reviewed-by: Alex Williamson <alex.williamson@redhat.com> Acked-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20200318145204.74483-3-peterx@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-05vfio-ccw: allow non-prefetch ORBsJared Rossi1-10/+3
Remove the explicit prefetch check when using vfio-ccw devices. This check does not trigger in practice as all Linux channel programs are intended to use prefetch. Newer Linux kernel versions do not require to force the PFCH flag with vfio-ccw devices anymore. Signed-off-by: Jared Rossi <jrossi@linux.ibm.com> Reviewed-by: Eric Farman <farman@linux.ibm.com> Message-Id: <20200512181535.18630-2-jrossi@linux.ibm.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2020-05-27vfio/nvlink: Remove exec permission to avoid SELinux AVCsLeonardo Bras1-2/+2
If SELinux is setup without 'execmem' permission for qemu, all mmap with (PROT_WRITE | PROT_EXEC) will fail and print a warning in SELinux log. If "nvlink2-mr" memory allocation fails (fist diff), it will cause guest NUMA nodes to not be correctly configured (V100 memory will not be visible for guest, nor its NUMA nodes). Not having 'execmem' permission is intesting for virtual machines to avoid buffer-overflow based attacks, and it's adopted in distros like RHEL. So, removing the PROT_EXEC flag seems the right thing to do. Browsing some other code that mmaps memory for usage with memory_region_init_ram_device_ptr, I could notice it's usual to not have PROT_EXEC (only PROT_READ | PROT_WRITE), so it should be no problem around this. Signed-off-by: Leonardo Bras <leobras.c@gmail.com> Message-Id: <20200501055448.286518-1-leobras.c@gmail.com> Acked-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-05-18Revert "hw/display/ramfb: initialize fw-config space with xres/ yres"Gerd Hoffmann1-2/+2
This reverts commit f79081b4b71b72640bedd40a7cd76f864c8287f1. Patch has broken byteorder handling: RAMFBCfg fields are in bigendian byteorder, the reset function doesn't care so native byteorder is used instead. Given this went unnoticed so far the feature is obviously unused, so just revert the patch. Cc: Hou Qiming <hqm03ster@gmail.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Laszlo Ersek <lersek@redhat.com> Message-id: 20200429115236.28709-2-kraxel@redhat.com
2020-05-15qdev: Unrealize must not failMarkus Armbruster2-4/+4
Devices may have component devices and buses. Device realization may fail. Realization is recursive: a device's realize() method realizes its components, and device_set_realized() realizes its buses (which should in turn realize the devices on that bus, except bus_set_realized() doesn't implement that, yet). When realization of a component or bus fails, we need to roll back: unrealize everything we realized so far. If any of these unrealizes failed, the device would be left in an inconsistent state. Must not happen. device_set_realized() lets it happen: it ignores errors in the roll back code starting at label child_realize_fail. Since realization is recursive, unrealization must be recursive, too. But how could a partly failed unrealize be rolled back? We'd have to re-realize, which can fail. This design is fundamentally broken. device_set_realized() does not roll back at all. Instead, it keeps unrealizing, ignoring further errors. It can screw up even for a device with no buses: if the lone dc->unrealize() fails, it still unregisters vmstate, and calls listeners' unrealize() callback. bus_set_realized() does not roll back either. Instead, it stops unrealizing. Fortunately, no unrealize method can fail, as we'll see below. To fix the design error, drop parameter @errp from all the unrealize methods. Any unrealize method that uses @errp now needs an update. This leads us to unrealize() methods that can fail. Merely passing it to another unrealize method cannot cause failure, though. Here are the ones that do other things with @errp: * virtio_serial_device_unrealize() Fails when qbus_set_hotplug_handler() fails, but still does all the other work. On failure, the device would stay realized with its resources completely gone. Oops. Can't happen, because qbus_set_hotplug_handler() can't actually fail here. Pass &error_abort to qbus_set_hotplug_handler() instead. * hw/ppc/spapr_drc.c's unrealize() Fails when object_property_del() fails, but all the other work is already done. On failure, the device would stay realized with its vmstate registration gone. Oops. Can't happen, because object_property_del() can't actually fail here. Pass &error_abort to object_property_del() instead. * spapr_phb_unrealize() Fails and bails out when remove_drcs() fails, but other work is already done. On failure, the device would stay realized with some of its resources gone. Oops. remove_drcs() fails only when chassis_from_bus()'s object_property_get_uint() fails, and it can't here. Pass &error_abort to remove_drcs() instead. Therefore, no unrealize method can fail before this patch. device_set_realized()'s recursive unrealization via bus uses object_property_set_bool(). Can't drop @errp there, so pass &error_abort. We similarly unrealize with object_property_set_bool() elsewhere, always ignoring errors. Pass &error_abort instead. Several unrealize methods no longer handle errors from other unrealize methods: virtio_9p_device_unrealize(), virtio_input_device_unrealize(), scsi_qdev_unrealize(), ... Much of the deleted error handling looks wrong anyway. One unrealize methods no longer ignore such errors: usb_ehci_pci_exit(). Several realize methods no longer ignore errors when rolling back: v9fs_device_realize_common(), pci_qdev_unrealize(), spapr_phb_realize(), usb_qdev_realize(), vfio_ccw_realize(), virtio_device_realize(). Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20200505152926.18877-17-armbru@redhat.com>
2020-05-15Drop more @errp parameters after previous commitMarkus Armbruster1-1/+1
Several functions can't fail anymore: ich9_pm_add_properties(), device_add_bootindex_property(), ppc_compat_add_property(), spapr_caps_add_properties(), PropertyInfo.create(). Drop their @errp parameter. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20200505152926.18877-16-armbru@redhat.com>
2020-05-15qom: Drop parameter @errp of object_property_add() & friendsMarkus Armbruster1-3/+3
The only way object_property_add() can fail is when a property with the same name already exists. Since our property names are all hardcoded, failure is a programming error, and the appropriate way to handle it is passing &error_abort. Same for its variants, except for object_property_add_child(), which additionally fails when the child already has a parent. Parentage is also under program control, so this is a programming error, too. We have a bit over 500 callers. Almost half of them pass &error_abort, slightly fewer ignore errors, one test case handles errors, and the remaining few callers pass them to their own callers. The previous few commits demonstrated once again that ignoring programming errors is a bad idea. Of the few ones that pass on errors, several violate the Error API. The Error ** argument must be NULL, &error_abort, &error_fatal, or a pointer to a variable containing NULL. Passing an argument of the latter kind twice without clearing it in between is wrong: if the first call sets an error, it no longer points to NULL for the second call. ich9_pm_add_properties(), sparc32_ledma_realize(), sparc32_dma_realize(), xilinx_axidma_realize(), xilinx_enet_realize() are wrong that way. When the one appropriate choice of argument is &error_abort, letting users pick the argument is a bad idea. Drop parameter @errp and assert the preconditions instead. There's one exception to "duplicate property name is a programming error": the way object_property_add() implements the magic (and undocumented) "automatic arrayification". Don't drop @errp there. Instead, rename object_property_add() to object_property_try_add(), and add the obvious wrapper object_property_add(). Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20200505152926.18877-15-armbru@redhat.com> [Two semantic rebase conflicts resolved]
2020-05-04lockable: replaced locks with lock guard macros where appropriateDaniel Brodsky1-3/+2
- ran regexp "qemu_mutex_lock\(.*\).*\n.*if" to find targets - replaced result with QEMU_LOCK_GUARD if all unlocks at function end - replaced result with WITH_QEMU_LOCK_GUARD if unlock not at end Signed-off-by: Daniel Brodsky <dnbrdsky@gmail.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Message-id: 20200404042108.389635-3-dnbrdsky@gmail.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-04-07vfio/spapr: Fix page size calculationAlexey Kardashevskiy1-3/+3
Coverity detected an issue (CID 1421903) with potential call of clz64(0) which returns 64 which make it do "<<" with a negative number. This checks the mask and avoids undefined behaviour. In practice pgsizes and memory_region_iommu_get_min_page_size() always have some common page sizes and even if they did not, the resulting page size would be 0x8000.0000.0000.0000 (gcc 9.2) and ioctl(VFIO_IOMMU_SPAPR_TCE_CREATE) would fail anyway. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Message-Id: <20200324063912.25063-1-aik@ozlabs.ru> Reviewed-by: Greg Kurz <groug@kaod.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-02-18hw/vfio/display: Remove superfluous semicolonPhilippe Mathieu-Daudé1-1/+1
Fixes: 8b818e059bf Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Message-Id: <20200218094402.26625-9-philmd@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-02-18Report stringified errno in VFIO related errorsMichal Privoznik1-2/+2
In a few places we report errno formatted as a negative integer. This is not as user friendly as it can be. Use strerror() and/or error_setg_errno() instead. Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Alex Williamson <alex.williamson@redhat.com> Message-Id: <4949c3ecf1a32189b8a4b5eb4b0fd04c1122501d.1581674006.git.mprivozn@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-02-06hw/vfio: Move the IGD quirk code to a separate fileThomas Huth5-611/+642
The IGD quirk code defines a separate device, the so-called "vfio-pci-igd-lpc-bridge" which shows up as a user-creatable device in all QEMU binaries that include the vfio code. This is a little bit unfortunate for two reasons: First, this device is completely useless in binaries like qemu-system-s390x. Second we also would like to disable it in downstream RHEL which currently requires some extra patches there since the device does not have a proper Kconfig-style switch yet. So it would be good if the device could be disabled more easily, thus let's move the code to a separate file instead and introduce a proper Kconfig switch for it which gets only enabled by default if we also have CONFIG_PC_PCI enabled. Signed-off-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2020-01-24qdev: set properties with device_class_set_props()Marc-André Lureau4-5/+5
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>
2020-01-06vfio/pci: Don't remove irqchip notifier if not registeredPeter Xu1-1/+3
The kvm irqchip notifier is only registered if the device supports INTx, however it's unconditionally removed. If the assigned device does not support INTx, this will cause QEMU to crash when unplugging the device from the system. Change it to conditionally remove the notifier only if the notify hook is setup. CC: Eduardo Habkost <ehabkost@redhat.com> CC: David Gibson <david@gibson.dropbear.id.au> CC: Alex Williamson <alex.williamson@redhat.com> Cc: qemu-stable@nongnu.org # v4.2 Reported-by: yanghliu@redhat.com Debugged-by: Eduardo Habkost <ehabkost@redhat.com> Fixes: c5478fea27ac ("vfio/pci: Respond to KVM irqchip change notifier") Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1782678 Signed-off-by: Peter Xu <peterx@redhat.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Greg Kurz <groug@kaod.org> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2019-12-18hw/vfio/ap: drop local_err from vfio_ap_realizeVladimir Sementsov-Ogievskiy1-6/+3
No reason for local_err here, use errp directly instead. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Message-Id: <20191205174635.18758-21-vsementsov@virtuozzo.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2019-12-14vfio-ccw: Fix error messageBoris Fiuczynski1-1/+1
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com> Reviewed-by: Eric Farman <farman@linux.ibm.com> Message-Id: <20191128143015.5231-1-fiuczy@linux.ibm.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2019-11-26vfio/pci: Respond to KVM irqchip change notifierDavid Gibson2-6/+20
VFIO PCI devices already respond to the pci intx routing notifier, in order to update kernel irqchip mappings when routing is updated. However this won't handle the case where the irqchip itself is replaced by a different model while retaining the same routing. This case can happen on the pseries machine type due to PAPR feature negotiation. To handle that case, add a handler for the irqchip change notifier, which does much the same thing as the routing notifier, but is unconditional, rather than being a no-op when the routing hasn't changed. Cc: Alex Williamson <alex.williamson@redhat.com> Cc: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Tested-by: Alex Williamson <alex.williamson@redhat.com> Reviewed-by: Alex Williamson <alex.williamson@redhat.com> Reviewed-by: Greg Kurz <groug@kaod.org> Acked-by: Alex Williamson <alex.williamson@redhat.com>
2019-11-26vfio/pci: Split vfio_intx_update()David Gibson1-17/+22
This splits the vfio_intx_update() function into one part doing the actual reconnection with the KVM irqchip (vfio_intx_update(), now taking an argument with the new routing) and vfio_intx_routing_notifier() which handles calls to the pci device intx routing notifier and calling vfio_intx_update() when necessary. This will make adding support for the irqchip change notifier easier. Cc: Alex Williamson <alex.williamson@redhat.com> Cc: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Tested-by: Alex Williamson <alex.williamson@redhat.com> Reviewed-by: Alex Williamson <alex.williamson@redhat.com> Reviewed-by: Greg Kurz <groug@kaod.org> Acked-by: Alex Williamson <alex.williamson@redhat.com>
2019-11-18vfio: vfio-pci requires EDIDPaolo Bonzini1-0/+1
hw/vfio/display.c needs the EDID subsystem, select it. Cc: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2019-11-18vfio: don't ignore return value of migrate_add_blockerJens Freimann1-1/+1
When an error occurs in migrate_add_blocker() it sets a negative return value and uses error pointer we pass in. Instead of just looking at the error pointer check for a negative return value and avoid a coverity error because the return value is set but never used. This fixes CID 1407219. Reported-by: Coverity (CID 1407219) Fixes: f045a0104c8c ("vfio: unplug failover primary device before migration") Signed-off-by: Jens Freimann <jfreimann@redhat.com> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2019-11-18hw/vfio/pci: Fix double free of migration_blockerMichal Privoznik1-0/+2
When user tries to hotplug a VFIO device, but the operation fails somewhere in the middle (in my testing it failed because of RLIMIT_MEMLOCK forbidding more memory allocation), then a double free occurs. In vfio_realize() the vdev->migration_blocker is allocated, then something goes wrong which causes control to jump onto 'error' label where the error is freed. But the pointer is left pointing to invalid memory. Later, when vfio_instance_finalize() is called, the memory is freed again. In my testing the second hunk was sufficient to fix the bug, but I figured the first hunk doesn't hurt either. ==169952== Invalid read of size 8 ==169952== at 0xA47DCD: error_free (error.c:266) ==169952== by 0x4E0A18: vfio_instance_finalize (pci.c:3040) ==169952== by 0x8DF74C: object_deinit (object.c:606) ==169952== by 0x8DF7BE: object_finalize (object.c:620) ==169952== by 0x8E0757: object_unref (object.c:1074) ==169952== by 0x45079C: memory_region_unref (memory.c:1779) ==169952== by 0x45376B: do_address_space_destroy (memory.c:2793) ==169952== by 0xA5C600: call_rcu_thread (rcu.c:283) ==169952== by 0xA427CB: qemu_thread_start (qemu-thread-posix.c:519) ==169952== by 0x80A8457: start_thread (in /lib64/libpthread-2.29.so) ==169952== by 0x81C96EE: clone (in /lib64/libc-2.29.so) ==169952== Address 0x143137e0 is 0 bytes inside a block of size 48 free'd ==169952== at 0x4A342BB: free (vg_replace_malloc.c:530) ==169952== by 0xA47E05: error_free (error.c:270) ==169952== by 0x4E0945: vfio_realize (pci.c:3025) ==169952== by 0x76A4FF: pci_qdev_realize (pci.c:2099) ==169952== by 0x689B9A: device_set_realized (qdev.c:876) ==169952== by 0x8E2C80: property_set_bool (object.c:2080) ==169952== by 0x8E0EF6: object_property_set (object.c:1272) ==169952== by 0x8E3FC8: object_property_set_qobject (qom-qobject.c:26) ==169952== by 0x8E11DB: object_property_set_bool (object.c:1338) ==169952== by 0x5E7BDD: qdev_device_add (qdev-monitor.c:673) ==169952== by 0x5E81E5: qmp_device_add (qdev-monitor.c:798) ==169952== by 0x9E18A8: do_qmp_dispatch (qmp-dispatch.c:132) ==169952== Block was alloc'd at ==169952== at 0x4A35476: calloc (vg_replace_malloc.c:752) ==169952== by 0x51B1158: g_malloc0 (in /usr/lib64/libglib-2.0.so.0.6000.6) ==169952== by 0xA47357: error_setv (error.c:61) ==169952== by 0xA475D9: error_setg_internal (error.c:97) ==169952== by 0x4DF8C2: vfio_realize (pci.c:2737) ==169952== by 0x76A4FF: pci_qdev_realize (pci.c:2099) ==169952== by 0x689B9A: device_set_realized (qdev.c:876) ==169952== by 0x8E2C80: property_set_bool (object.c:2080) ==169952== by 0x8E0EF6: object_property_set (object.c:1272) ==169952== by 0x8E3FC8: object_property_set_qobject (qom-qobject.c:26) ==169952== by 0x8E11DB: object_property_set_bool (object.c:1338) ==169952== by 0x5E7BDD: qdev_device_add (qdev-monitor.c:673) Fixes: f045a0104c8c ("vfio: unplug failover primary device before migration") Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2019-10-29vfio: unplug failover primary device before migrationJens Freimann2-6/+21
As usual block all vfio-pci devices from being migrated, but make an exception for failover primary devices. This is achieved by setting unmigratable to 0 but also add a migration blocker for all vfio-pci devices except failover primary devices. These will be unplugged before migration happens by the migration handler of the corresponding virtio-net standby device. Signed-off-by: Jens Freimann <jfreimann@redhat.com> Acked-by: Alex Williamson <alex.williamson@redhat.com> Message-Id: <20191029114905.6856-12-jfreimann@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2019-10-26core: replace getpagesize() with qemu_real_host_page_sizeWei Yang1-3/+4
There are three page size in qemu: real host page size host page size target page size All of them have dedicate variable to represent. For the last two, we use the same form in the whole qemu project, while for the first one we use two forms: qemu_real_host_page_size and getpagesize(). qemu_real_host_page_size is defined to be a replacement of getpagesize(), so let it serve the role. [Note] Not fully tested for some arch or device. Signed-off-by: Wei Yang <richardw.yang@linux.intel.com> Message-Id: <20191013021145.16011-3-richardw.yang@linux.intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-10-10hw/vfio/pci: fix double free in vfio_msi_disableEvgeny Yakovlev1-0/+1
The following guest behaviour patter leads to double free in VFIO PCI: 1. Guest enables MSI interrupts vfio_msi_enable is called, but fails in vfio_enable_vectors. In our case this was because VFIO GPU device was in D3 state. Unhappy path in vfio_msi_enable will g_free(vdev->msi_vectors) but not set this pointer to NULL 2. Guest still sees MSI an enabled after that because emulated config write is done in vfio_pci_write_config unconditionally before calling vfio_msi_enable 3. Guest disables MSI interrupts vfio_msi_disable is called and tries to g_free(vdev->msi_vectors) in vfio_msi_disable_common => double free Signed-off-by: Evgeny Yakovlev <wrfsh@yandex-team.ru> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2019-10-04memory: allow memory_region_register_iommu_notifier() to failEric Auger1-2/+7
Currently, when a notifier is attempted to be registered and its flags are not supported (especially the MAP one) by the IOMMU MR, we generally abruptly exit in the IOMMU code. The failure could be handled more nicely in the caller and especially in the VFIO code. So let's allow memory_region_register_iommu_notifier() to fail as well as notify_flag_changed() callback. All sites implementing the callback are updated. This patch does not yet remove the exit(1) in the amd_iommu code. in SMMUv3 we turn the warning message into an error message saying that the assigned device would not work properly. Signed-off-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-10-04vfio: Turn the container error into an Error handleEric Auger2-16/+31
The container error integer field is currently used to store the first error potentially encountered during any vfio_listener_region_add() call. However this fails to propagate detailed error messages up to the vfio_connect_container caller. Instead of using an integer, let's use an Error handle. Messages are slightly reworded to accomodate the propagation. Signed-off-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-09-19vfio: fix a typoChen Zhang1-2/+2
Signed-off-by: Chen Zhang <tgfbeta@me.com> Reviewed-by: Li Qiang <liq3ea@gmail.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Message-Id: <8E5A9C27-C76D-46CF-85B0-79121A00B05F@me.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2019-09-03memory: Access MemoryRegion with endiannessTony Nguyen1-2/+3
Preparation for collapsing the two byte swaps adjust_endianness and handle_bswap into the former. Call memory_region_dispatch_{read|write} with endianness encoded into the "MemOp op" operand. This patch does not change any behaviour as memory_region_dispatch_{read|write} is yet to handle the endianness. Once it does handle endianness, callers with byte swaps can collapse them into adjust_endianness. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Tony Nguyen <tony.nguyen@bt.com> Message-Id: <8066ab3eb037c0388dfadfe53c5118429dd1de3a.1566466906.git.tony.nguyen@bt.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-09-03hw/vfio: Access MemoryRegion with MemOpTony Nguyen1-2/+4
The memory_region_dispatch_{read|write} operand "unsigned size" is being converted into a "MemOp op". Convert interfaces by using no-op size_memop. After all interfaces are converted, size_memop will be implemented and the memory_region_dispatch_{read|write} operand "unsigned size" will be converted into a "MemOp op". As size_memop is a no-op, this patch does not change any behaviour. Signed-off-by: Tony Nguyen <tony.nguyen@bt.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Message-Id: <e70ff5814ac3656974180db6375397c43b0bc8b8.1566466906.git.tony.nguyen@bt.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-08-16sysemu: Split sysemu/runstate.h off sysemu/sysemu.hMarkus Armbruster1-0/+1
sysemu/sysemu.h is a rather unfocused dumping ground for stuff related to the system-emulator. Evidence: * It's included widely: in my "build everything" tree, changing sysemu/sysemu.h still triggers a recompile of some 1100 out of 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h, down from 5400 due to the previous two commits). * It pulls in more than a dozen additional headers. Split stuff related to run state management into its own header sysemu/runstate.h. Touching sysemu/sysemu.h now recompiles some 850 objects. qemu/uuid.h also drops from 1100 to 850, and qapi/qapi-types-run-state.h from 4400 to 4200. Touching new sysemu/runstate.h recompiles some 500 objects. Since I'm touching MAINTAINERS to add sysemu/runstate.h anyway, also add qemu/main-loop.h. Suggested-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190812052359.30071-30-armbru@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> [Unbreak OS-X build]
2019-08-16Clean up inclusion of sysemu/sysemu.hMarkus Armbruster2-2/+0
In my "build everything" tree, changing sysemu/sysemu.h triggers a recompile of some 5400 out of 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h). Almost a third of its inclusions are actually superfluous. Delete them. Downgrade two more to qapi/qapi-types-run-state.h, and move one from char/serial.h to char/serial.c. hw/semihosting/config.c, monitor/monitor.c, qdev-monitor.c, and stubs/semihost.c define variables declared in sysemu/sysemu.h without including it. The compiler is cool with that, but include it anyway. This doesn't reduce actual use much, as it's still included into widely included headers. The next commit will tackle that. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20190812052359.30071-27-armbru@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2019-08-16Include hw/qdev-properties.h lessMarkus Armbruster5-0/+5
In my "build everything" tree, changing hw/qdev-properties.h triggers a recompile of some 2700 out of 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h). Many places including hw/qdev-properties.h (directly or via hw/qdev.h) actually need only hw/qdev-core.h. Include hw/qdev-core.h there instead. hw/qdev.h is actually pointless: all it does is include hw/qdev-core.h and hw/qdev-properties.h, which in turn includes hw/qdev-core.h. Replace the remaining uses of hw/qdev.h by hw/qdev-properties.h. While there, delete a few superfluous inclusions of hw/qdev-core.h. Touching hw/qdev-properties.h now recompiles some 1200 objects. Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: "Daniel P. Berrangé" <berrange@redhat.com> Cc: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Message-Id: <20190812052359.30071-22-armbru@redhat.com>
2019-08-16Include qemu/main-loop.h lessMarkus Armbruster4-0/+4
In my "build everything" tree, changing qemu/main-loop.h triggers a recompile of some 5600 out of 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h). It includes block/aio.h, which in turn includes qemu/event_notifier.h, qemu/notify.h, qemu/processor.h, qemu/qsp.h, qemu/queue.h, qemu/thread-posix.h, qemu/thread.h, qemu/timer.h, and a few more. Include qemu/main-loop.h only where it's needed. Touching it now recompiles only some 1700 objects. For block/aio.h and qemu/event_notifier.h, these numbers drop from 5600 to 2800. For the others, they shrink only slightly. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190812052359.30071-21-armbru@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-08-16Include qemu/queue.h slightly lessMarkus Armbruster1-1/+0
Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20190812052359.30071-20-armbru@redhat.com>
2019-08-16Include hw/hw.h exactly where neededMarkus Armbruster2-0/+2
In my "build everything" tree, changing hw/hw.h triggers a recompile of some 2600 out of 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h). The previous commits have left only the declaration of hw_error() in hw/hw.h. This permits dropping most of its inclusions. Touching it now recompiles less than 200 objects. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20190812052359.30071-19-armbru@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-08-16Include migration/vmstate.h lessMarkus Armbruster5-0/+5
In my "build everything" tree, changing migration/vmstate.h triggers a recompile of some 2700 out of 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h). hw/hw.h supposedly includes it for convenience. Several other headers include it just to get VMStateDescription. The previous commit made that unnecessary. Include migration/vmstate.h only where it's still needed. Touching it now recompiles only some 1600 objects. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20190812052359.30071-16-armbru@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-08-16Include hw/irq.h a lot lessMarkus Armbruster1-0/+1
In my "build everything" tree, changing hw/irq.h triggers a recompile of some 5400 out of 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h). hw/hw.h supposedly includes it for convenience. Several other headers include it just to get qemu_irq and.or qemu_irq_handler. Move the qemu_irq and qemu_irq_handler typedefs from hw/irq.h to qemu/typedefs.h, and then include hw/irq.h only where it's still needed. Touching it now recompiles only some 500 objects. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20190812052359.30071-13-armbru@redhat.com>
2019-08-16Include sysemu/reset.h a lot lessMarkus Armbruster1-0/+1
In my "build everything" tree, changing sysemu/reset.h triggers a recompile of some 2600 out of 6600 objects (not counting tests and objects that don't depend on qemu/osdep.h). The main culprit is hw/hw.h, which supposedly includes it for convenience. Include sysemu/reset.h only where it's needed. Touching it now recompiles less than 200 objects. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20190812052359.30071-9-armbru@redhat.com>
2019-07-08vfio-ccw: Test vfio_set_irq_signaling() return valueAlex Williamson1-3/+2
Coverity doesn't like that most callers of vfio_set_irq_signaling() check the return value and doesn't understand the equivalence of testing the error pointer instead. Test the return value consistently. Reported-by: Coverity (CID 1402783) Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Message-Id: <156209642116.14915.9598593247782519613.stgit@gimli.home> Reviewed-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
generated by cgit v1.1 at 2024-08-18 16:07:24 +0000