Use the private peripheral interrupt definitions from bsa.h instead of
defining them locally. Refactor to use the INTIDs defined there instead
of the PPI# used previously.
Signed-off-by: Leif Lindholm <quic_llindhol@quicinc.com>
Message-id: 20230919090229.188092-4-quic_llindhol@quicinc.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
virt.h defines a number of IRQs that are ultimately described by Arm's
Base System Architecture specification. Move these to a dedicated header
so that they can be reused by other platforms that do the same.
Include that header from virt.h to minimise churn.
While we're moving the definitions, sort them into numerical order,
and add the ARCH_TIMER_NS_EL2_VIRT_IRQ definition used by sbsa-ref
and which will eventually be needed by virt also.
Signed-off-by: Leif Lindholm <quic_llindhol@quicinc.com>
Message-id: 20230919090229.188092-3-quic_llindhol@quicinc.com
[PMM: Remove unused PPI_TO_INTID macro; sort numerically;
add ARCH_TIMER_NS_EL2_VIRT_IRQ]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
GIC Private Peripheral Interrupts (PPI) are defined as GIC INTID 16-31.
As in, PPI0 is INTID16 .. PPI15 is INTID31.
Arm's Base System Architecture specification (BSA) lists the mandated and
recommended private interrupt IDs by INTID, not by PPI index. But current
definitions in virt define them by PPI index, complicating cross
referencing.
Meanwhile, the PPI(x) macro counterintuitively adds 16 to the input value,
converting a PPI index to an INTID.
Resolve this by redefining the BSA-allocated PPIs by their INTIDs,
and replacing the PPI(x) macro with an INTID_TO_PPI(x) one where required.
Signed-off-by: Leif Lindholm <quic_llindhol@quicinc.com>
Message-id: 20230919090229.188092-2-quic_llindhol@quicinc.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
On an attempt to access CNTPCT_EL0 from EL0 using a guest running on top
of Xen, a trap from EL2 was observed which is something not reproducible
on HW (also, Xen does not trap accesses to physical counter).
This is because gt_counter_access() checks for an incorrect bit (1
instead of 0) of CNTHCTL_EL2 if HCR_EL2.E2H is 0 and access is made to
physical counter. Refer ARM ARM DDI 0487J.a, D19.12.2:
When HCR_EL2.E2H is 0:
- EL1PCTEN, bit [0]: refers to physical counter
- EL1PCEN, bit [1]: refers to physical timer registers
Drop entire block "if (hcr & HCR_E2H) {...} else {...}" from EL0 case
and fall through to EL1 case, given that after fixing checking for the
correct bit, the handling is the same.
Fixes: 5bc8437136 ("target/arm: Update timer access for VHE")
Signed-off-by: Michal Orzel <michal.orzel@amd.com>
Tested-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
Message-id: 20230928094404.20802-1-michal.orzel@amd.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Index in file_size array must be checked against num_files, because the
entries we are looking for may be absent in the PDB.
Fixes: Coverity CID 1521597
Signed-off-by: Viktor Prutyanov <viktor@daynix.com>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20230930235317.11469-3-viktor@daynix.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
String sign_rsds isn't terminated, so the print length must be limited.
Fixes: Coverity CID 1521598
Signed-off-by: Viktor Prutyanov <viktor@daynix.com>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-id: 20230930235317.11469-2-viktor@daynix.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This replaces the comma (,) to dot (.) in the device type name
so the name can be used with the 'driver=' command line option.
Signed-off-by: Tong Ho <tong.ho@amd.com>
Reviewed-by: Francisco Iglesias <frasse.iglesias@gmail.com>
Message-id: 20231003052139.199665-1-tong.ho@amd.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This change implements the ResettableClass interface for the device.
Signed-off-by: Tong Ho <tong.ho@amd.com>
Reviewed-by: Francisco Iglesias <frasse.iglesias@gmail.com>
Message-id: 20231004055339.323833-1-tong.ho@amd.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This change implements the ResettableClass interface for the device.
Signed-off-by: Tong Ho <tong.ho@amd.com>
Reviewed-by: Francisco Iglesias <frasse.iglesias@gmail.com>
Message-id: 20231004055713.324009-1-tong.ho@amd.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This change implements the ResettableClass interface for the device.
Signed-off-by: Tong Ho <tong.ho@amd.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20231003052345.199725-1-tong.ho@amd.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
struct arm_boot_info is declared in "hw/arm/boot.h".
By including the correct header we don't need to declare
it again in "target/arm/cpu-qom.h".
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20231013130214.95742-1-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The file is obviously related to the raspberrypi machine, so
it should reside in hw/arm/ instead of hw/misc/. And while we're
at it, also adjust the wildcard in MAINTAINERS so that it covers
this file, too.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20231012073458.860187-1-thuth@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
* Support for VFIODisplay migration with ramfb
* Preliminary work for IOMMUFD support
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Merge tag 'pull-vfio-20231018' of https://github.com/legoater/qemu into staging
vfio queue:
* Support for VFIODisplay migration with ramfb
* Preliminary work for IOMMUFD support
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# gpg: aka "Cédric Le Goater <clg@kaod.org>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: A0F6 6548 F048 95EB FE6B 0B60 51A3 43C7 CFFB ECA1
* tag 'pull-vfio-20231018' of https://github.com/legoater/qemu: (22 commits)
hw/vfio: add ramfb migration support
ramfb-standalone: add migration support
ramfb: add migration support
vfio/pci: Remove vfio_detach_device from vfio_realize error path
vfio/ccw: Remove redundant definition of TYPE_VFIO_CCW
vfio/ap: Remove pointless apdev variable
vfio/pci: Fix a potential memory leak in vfio_listener_region_add
vfio/common: Move legacy VFIO backend code into separate container.c
vfio/common: Introduce a global VFIODevice list
vfio/common: Store the parent container in VFIODevice
vfio/common: Introduce a per container device list
vfio/common: Move VFIO reset handler registration to a group agnostic function
vfio/ccw: Use vfio_[attach/detach]_device
vfio/ap: Use vfio_[attach/detach]_device
vfio/platform: Use vfio_[attach/detach]_device
vfio/pci: Introduce vfio_[attach/detach]_device
vfio/common: Extract out vfio_kvm_device_[add/del]_fd
vfio/common: Introduce vfio_container_add|del_section_window()
vfio/common: Propagate KVM_SET_DEVICE_ATTR error if any
vfio/common: Move IOMMU agnostic helpers to a separate file
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Add a "VFIODisplay" subsection whenever "x-ramfb-migrate" is turned on.
Turn it off by default on machines <= 8.1 for compatibility reasons.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
[ clg: - checkpatch fixes
- improved warn_report() in vfio_realize() ]
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Add a "ramfb-dev" section whenever "x-migrate" is turned on. Turn it off
by default on machines <= 8.1 for compatibility reasons.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Implementing RAMFB migration is quite straightforward. One caveat is to
treat the whole RAMFBCfg as a blob, since that's what is exposed to the
guest directly. This avoid having to fiddle with endianness issues if we
were to migrate fields individually as integers.
The devices using RAMFB will have to include ramfb_vmstate in their
migration description.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
In vfio_realize, on the error path, we currently call
vfio_detach_device() after a successful vfio_attach_device.
While this looks natural, vfio_instance_finalize also induces
a vfio_detach_device(), and it seems to be the right place
instead as other resources are released there which happen
to be a prerequisite to a successful UNSET_CONTAINER.
So let's rely on the finalize vfio_detach_device call to free
all the relevant resources.
Fixes: a28e06621170 ("vfio/pci: Introduce vfio_[attach/detach]_device")
Reported-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
No functional changes.
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
No need to double-cast, call VFIO_AP_DEVICE() on DeviceState.
No functional changes.
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Tony Krowiak <akrowiak@linux.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
When there is an failure in vfio_listener_region_add() and the section
belongs to a ram device, there is an inaccurate error report which should
never be related to vfio_dma_map failure. The memory holding err is also
incrementally leaked in each failure.
Fix it by reporting the real error and free it.
Fixes: 567b5b309a ("vfio/pci: Relax DMA map errors for MMIO regions")
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Move all the code really dependent on the legacy VFIO container/group
into a separate file: container.c. What does remain in common.c is
the code related to VFIOAddressSpace, MemoryListeners, migration and
all other general operations.
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>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Some functions iterate over all the VFIODevices. This is currently
achieved by iterating over all groups/devices. Let's
introduce a global list of VFIODevices simplifying that scan.
This will also be useful while migrating to IOMMUFD by hiding the
group specificity.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Suggested-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
let's store the parent contaienr within the VFIODevice.
This simplifies the logic in vfio_viommu_preset() and
brings the benefice to hide the group specificity which
is useful for IOMMUFD migration.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Several functions need to iterate over the VFIO devices attached to
a given container. This is currently achieved by iterating over the
groups attached to the container and then over the devices in the group.
Let's introduce a per container device list that simplifies this
search.
Per container list is used in below functions:
vfio_devices_all_dirty_tracking
vfio_devices_all_device_dirty_tracking
vfio_devices_all_running_and_mig_active
vfio_devices_dma_logging_stop
vfio_devices_dma_logging_start
vfio_devices_query_dirty_bitmap
This will also ease the migration of IOMMUFD by hiding the group
specificity.
Suggested-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Move the reset handler registration/unregistration to a place that is not
group specific. vfio_[get/put]_address_space are the best places for that
purpose.
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>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Let the vfio-ccw device use vfio_attach_device() and
vfio_detach_device(), hence hiding the details of the used
IOMMU backend.
Note that the migration reduces the following trace
"vfio: subchannel %s has already been attached" (featuring
cssid.ssid.devid) into "device is already attached"
Also now all the devices have been migrated to use the new
vfio_attach_device/vfio_detach_device API, let's turn the
legacy functions into static functions, local to container.c.
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>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Let the vfio-ap device use vfio_attach_device() and
vfio_detach_device(), hence hiding the details of the used
IOMMU backend.
We take the opportunity to use g_path_get_basename() which
is prefered, as suggested by
3e015d815b ("use g_path_get_basename instead of basename")
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: Matthew Rosato <mjrosato@linux.ibm.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Let the vfio-platform device use vfio_attach_device() and
vfio_detach_device(), hence hiding the details of the used
IOMMU backend.
Drop the trace event for vfio-platform as we have similar
one in vfio_attach_device.
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>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
We want the VFIO devices to be able to use two different
IOMMU backends, the legacy VFIO one and the new iommufd one.
Introduce vfio_[attach/detach]_device which aim at hiding the
underlying IOMMU backend (IOCTLs, datatypes, ...).
Once vfio_attach_device completes, the device is attached
to a security context and its fd can be used. Conversely
When vfio_detach_device completes, the device has been
detached from the security context.
At the moment only the implementation based on the legacy
container/group exists. Let's use it from the vfio-pci device.
Subsequent patches will handle other devices.
We also take benefit of this patch to properly free
vbasedev->name on failure.
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>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Introduce two new helpers, vfio_kvm_device_[add/del]_fd
which take as input a file descriptor which can be either a group fd or
a cdev fd. This uses the new KVM_DEV_VFIO_FILE VFIO KVM device group,
which aliases to the legacy KVM_DEV_VFIO_GROUP.
vfio_kvm_device_[add/del]_group then call those new helpers.
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Introduce helper functions that isolate the code used for
VFIO_SPAPR_TCE_v2_IOMMU.
Those helpers hide implementation details beneath the container object
and make the vfio_listener_region_add/del() implementations more
readable. No code change intended.
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>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
In the VFIO_SPAPR_TCE_v2_IOMMU container case, when
KVM_SET_DEVICE_ATTR fails, we currently don't propagate the
error as we do on the vfio_spapr_create_window() failure
case. Let's align the code. Take the opportunity to
reword the error message and make it more explicit.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Move low-level iommu agnostic helpers to a separate helpers.c
file. They relate to regions, interrupts, device/region
capabilities and etc.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Yi Sun <yi.y.sun@linux.intel.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>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Since commit da3c22c74a ("linux-headers: Update to Linux v6.6-rc1"),
linux-headers has been updated to v6.6-rc1.
As previous patch added iommufd.h to update-linux-headers.sh,
run the script again against TAG v6.6-rc1 to have iommufd.h included.
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>
Update the script to import iommufd.h
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>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Meson used to allow both "pkgconfig" and "pkg-config" entries in machine
files; the former was used for dependency lookup and the latter
was used as return value for "find_program('pkg-config')", which is a less
common use-case and one that QEMU does not need.
This inconsistency is going to be fixed by Meson 1.3, which will deprecate
"pkgconfig" in favor of "pkg-config" (the less common one, but it makes
sense because it matches the name of the binary). For backward
compatibility it is still allowed to define both, so do that in the
configure-generated machine file.
Related: https://github.com/mesonbuild/meson/pull/12385
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The Debian and GNU architecture names match very often, even though
there are common cases (32-bit Arm or 64-bit x86) where they do not
and other cases in which the GNU triplet is actually a quadruplet.
But it is still possible to group the common case into a single
case inside probe_target_compiler.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Store the -Werror and SMBD defaults in the machine file, which still allows
them to be overridden on the command line and enables automatic parsing
of the related options.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Enable Windows-specific defaults with a machine file, so that related
options can be automatically parsed and included in the help message.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
print_error is only invoked in one place, and $git is unused.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Keep together all the conditions that lead to disabling plugins, and
remove now-dead code.
Since the option was not in SKIP_OPTIONS, it was present twice in
the help message, both from configure and from meson-buildoptions.sh.
Remove the duplication and take the occasion to document the option as
autodetected, which it is.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Unify HAVE_GDB_BIN (currently in config-host.mak) and
HOST_GDB_SUPPORTS_ARCH into a single GDB variable in
config-target.mak.
Reviewed-by: Emmanouil Pitsidianakis <manos.pitsidianakis@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
test-aes, sha1-vector and sha512-vector need not be conditional on
$(CROSS_CC_HAS_SVE), reorganize the "if"s to move them outside.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
xen_ss is added unconditionally to arm_ss and i386_ss (the only
targets that can have CONFIG_XEN enabled) and its contents are gated by
CONFIG_XEN; xen_specific_ss has no condition for its constituent files
but is gated on CONFIG_XEN when its added to specific_ss.
So xen_ss is a duplicate of xen_specific_ss, though defined in a
different way. Merge the two by eliminating xen_ss.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
