Merge tag 'exec-20241220' of https://github.com/philmd/qemu into staging

Accel & Exec patch queue

- Ignore writes to CNTP_CTL_EL0 on HVF ARM (Alexander)
- Add '-d invalid_mem' logging option (Zolta

Merge tag 'exec-20241220' of https://github.com/philmd/qemu into staging

Accel & Exec patch queue

- Ignore writes to CNTP_CTL_EL0 on HVF ARM (Alexander)
- Add '-d invalid_mem' logging option (Zoltan)
- Create QOM containers explicitly (Peter)
- Rename sysemu/ -> system/ (Philippe)
- Re-orderning of include/exec/ headers (Philippe)
Move a lot of declarations from these legacy mixed bag headers:
. "exec/cpu-all.h"
. "exec/cpu-common.h"
. "exec/cpu-defs.h"
. "exec/exec-all.h"
. "exec/translate-all"
to these more specific ones:
. "exec/page-protection.h"
. "exec/translation-block.h"
. "user/cpu_loop.h"
. "user/guest-host.h"
. "user/page-protection.h"

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# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.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: FAAB E75E 1291 7221 DCFD 6BB2 E3E3 2C2C DEAD C0DE

* tag 'exec-20241220' of https://github.com/philmd/qemu: (59 commits)
util/qemu-timer: fix indentation
meson: Do not define CONFIG_DEVICES on user emulation
system/accel-ops: Remove unnecessary 'exec/cpu-common.h' header
system/numa: Remove unnecessary 'exec/cpu-common.h' header
hw/xen: Remove unnecessary 'exec/cpu-common.h' header
target/mips: Drop left-over comment about Jazz machine
target/mips: Remove tswap() calls in semihosting uhi_fstat_cb()
target/xtensa: Remove tswap() calls in semihosting simcall() helper
accel/tcg: Un-inline translator_is_same_page()
accel/tcg: Include missing 'exec/translation-block.h' header
accel/tcg: Move tcg_cflags_has/set() to 'exec/translation-block.h'
accel/tcg: Restrict curr_cflags() declaration to 'internal-common.h'
qemu/coroutine: Include missing 'qemu/atomic.h' header
exec/translation-block: Include missing 'qemu/atomic.h' header
accel/tcg: Declare cpu_loop_exit_requested() in 'exec/cpu-common.h'
exec/cpu-all: Include 'cpu.h' earlier so MMU_USER_IDX is always defined
target/sparc: Move sparc_restore_state_to_opc() to cpu.c
target/sparc: Uninline cpu_get_tb_cpu_state()
target/loongarch: Declare loongarch_cpu_dump_state() locally
user: Move various declarations out of 'exec/exec-all.h'
...

Conflicts:
hw/char/riscv_htif.c
hw/intc/riscv_aplic.c
target/s390x/cpu.c

Apply sysemu header path changes to not in the pull request.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

include: Rename sysemu/ -> system/

Headers in include/sysemu/ are not only related to system
*emulation*, they are also used by virtualization. Rename
as system/ which is clearer.

Files renamed man

include: Rename sysemu/ -> system/

Headers in include/sysemu/ are not only related to system
*emulation*, they are also used by virtualization. Rename
as system/ which is clearer.

Files renamed manually then mechanical change using sed tool.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Lei Yang <leiyang@redhat.com>
Message-Id: <20241203172445.28576-1-philmd@linaro.org>

show more ...

Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging

virtio,pci,pc: features,fixes

pci: Initial support for SPDM Responders
cxl: Add support for scan media, fea

Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging

virtio,pci,pc: features,fixes

pci: Initial support for SPDM Responders
cxl: Add support for scan media, feature commands, device patrol scrub
control, DDR5 ECS control, firmware updates
virtio: in-order support
virtio-net: support for SR-IOV emulation (note: known issues on s390,
might get reverted if not fixed)
smbios: memory device size is now configurable per Machine
cpu: architecture agnostic code to support vCPU Hotplug

Fixes, cleanups all over the place.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

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# gpg: Signature made Tue 23 Jul 2024 10:16:31 AM AEST
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [undefined]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [undefined]
# gpg: WARNING: The key's User ID is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469

* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (61 commits)
hw/nvme: Add SPDM over DOE support
backends: Initial support for SPDM socket support
hw/pci: Add all Data Object Types defined in PCIe r6.0
tests/acpi: Add expected ACPI AML files for RISC-V
tests/qtest/bios-tables-test.c: Enable basic testing for RISC-V
tests/acpi: Add empty ACPI data files for RISC-V
tests/qtest/bios-tables-test.c: Remove the fall back path
tests/acpi: update expected DSDT blob for aarch64 and microvm
acpi/gpex: Create PCI link devices outside PCI root bridge
tests/acpi: Allow DSDT acpi table changes for aarch64
hw/riscv/virt-acpi-build.c: Update the HID of RISC-V UART
hw/riscv/virt-acpi-build.c: Add namespace devices for PLIC and APLIC
virtio-iommu: Add trace point on virtio_iommu_detach_endpoint_from_domain
hw/vfio/common: Add vfio_listener_region_del_iommu trace event
virtio-iommu: Remove the end point on detach
virtio-iommu: Free [host_]resv_ranges on unset_iommu_devices
virtio-iommu: Remove probe_done
Revert "virtio-iommu: Clear IOMMUDevice when VFIO device is unplugged"
gdbstub: Add helper function to unregister GDB register space
physmem: Add helper function to destroy CPU AddressSpace
...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

virtio-iommu: Remove probe_done

Now we have switched to PCIIOMMUOps to convey host IOMMU information,
the host reserved regions are transmitted when the PCIe topology is
built. This happens way befo

virtio-iommu: Remove probe_done

Now we have switched to PCIIOMMUOps to convey host IOMMU information,
the host reserved regions are transmitted when the PCIe topology is
built. This happens way before the virtio-iommu driver calls the probe
request. So let's remove the probe_done flag that allowed to check
the probe was not done before the IOMMU MR got enabled. Besides this
probe_done flag had a flaw wrt migration since it was not saved/restored.

The only case at risk is if 2 devices were plugged to a
PCIe to PCI bridge and thus aliased. First of all we
discovered in the past this case was not properly supported for
neither SMMU nor virtio-iommu on guest kernel side: see

[RFC] virtio-iommu: Take into account possible aliasing in virtio_iommu_mr()
https://lore.kernel.org/all/20230116124709.793084-1-eric.auger@redhat.com/

If this were supported by the guest kernel, it is unclear what the call
sequence would be from a virtio-iommu driver point of view.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20240716094619.1713905-3-eric.auger@redhat.com>
Tested-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

show more ...

Merge tag 'pull-vfio-20240624' of https://github.com/legoater/qemu into staging

vfio queue:

* Add a host IOMMU device abstraction
* VIRTIO-IOMMU/VFIO: Fix host iommu geometry handling
* QOMify VFIO

Merge tag 'pull-vfio-20240624' of https://github.com/legoater/qemu into staging

vfio queue:

* Add a host IOMMU device abstraction
* VIRTIO-IOMMU/VFIO: Fix host iommu geometry handling
* QOMify VFIOContainer

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# 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-20240624' of https://github.com/legoater/qemu: (42 commits)
vfio/container: Move vfio_container_destroy() to an instance_finalize() handler
vfio/container: Introduce vfio_iommu_legacy_instance_init()
vfio/container: Remove vfio_container_init()
vfio/container: Remove VFIOContainerBase::ops
vfio/container: Introduce an instance_init() handler
vfio/container: Switch to QOM
vfio/container: Change VFIOContainerBase to use QOM
vfio/container: Discover IOMMU type before creating the container
vfio/container: Introduce vfio_create_container()
vfio/container: Introduce vfio_get_iommu_class_name()
vfio/container: Modify vfio_get_iommu_type() to use a container fd
vfio/container: Simplify vfio_container_init()
vfio/container: Introduce vfio_address_space_insert()
vfio/common: Extract vIOMMU code from vfio_sync_dirty_bitmap()
vfio/common: Move dirty tracking ranges update to helper
vfio: Remove unused declarations from vfio-common.h
vfio: Make vfio_devices_dma_logging_start() return bool
memory: Remove IOMMU MR iommu_set_iova_range API
hw/vfio: Remove memory_region_iommu_set_iova_ranges() call
virtio-iommu: Remove the implementation of iommu_set_iova_range
...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

virtio-iommu: Implement set|unset]_iommu_device() callbacks

Implement PCIIOMMUOPs [set|unset]_iommu_device() callbacks.
In set(), the HostIOMMUDevice handle is stored in a hash
table indexed by PCI

virtio-iommu: Implement set|unset]_iommu_device() callbacks

Implement PCIIOMMUOPs [set|unset]_iommu_device() callbacks.
In set(), the HostIOMMUDevice handle is stored in a hash
table indexed by PCI BDF. The object will allow to retrieve
information related to the physical IOMMU.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>

show more ...

Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging

virtio,pc,pci: features, cleanups, fixes

more memslots support in libvhost-user
support PCIe Gen5/Gen6 link

Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging

virtio,pc,pci: features, cleanups, fixes

more memslots support in libvhost-user
support PCIe Gen5/Gen6 link speeds in pcie
more traces in vdpa
network simulation devices support in vdpa
SMBIOS type 9 descriptor implementation
Bump max_cpus to 4096 vcpus in q35
aw-bits and granule options in VIRTIO-IOMMU
Support report NUMA nodes for device memory using GI in acpi
Beginning of shutdown event support in pvpanic

fixes, cleanups all over the place.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

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# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469

* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (68 commits)
docs/specs/pvpanic: document shutdown event
hw/cxl: Fix missing reserved data in CXL Device DVSEC
hmat acpi: Fix out of bounds access due to missing use of indirection
hmat acpi: Do not add Memory Proximity Domain Attributes Structure targetting non existent memory.
qemu-options.hx: Document the virtio-iommu-pci aw-bits option
hw/arm/virt: Set virtio-iommu aw-bits default value to 48
hw/i386/q35: Set virtio-iommu aw-bits default value to 39
virtio-iommu: Add an option to define the input range width
virtio-iommu: Trace domain range limits as unsigned int
qemu-options.hx: Document the virtio-iommu-pci granule option
virtio-iommu: Change the default granule to the host page size
virtio-iommu: Add a granule property
hw/i386/acpi-build: Add support for SRAT Generic Initiator structures
hw/acpi: Implement the SRAT GI affinity structure
qom: new object to associate device to NUMA node
hw/i386/pc: Inline pc_cmos_init() into pc_cmos_init_late() and remove it
hw/i386/pc: Set "normal" boot device order in pc_basic_device_init()
hw/i386/pc: Avoid one use of the current_machine global
hw/i386/pc: Remove "rtc_state" link again
Revert "hw/i386/pc: Confine system flash handling to pc_sysfw"
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

# Conflicts:
# hw/core/machine.c

show more ...

virtio-iommu: Add an option to define the input range width

aw-bits is a new option that allows to set the bit width of
the input address range. This value will be used as a default for
the device c

virtio-iommu: Add an option to define the input range width

aw-bits is a new option that allows to set the bit width of
the input address range. This value will be used as a default for
the device config input_range.end. By default it is set to 64 bits
which is the current value.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Message-Id: <20240307134445.92296-7-eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

show more ...

virtio-iommu: Add a granule property

This allows to choose which granule will be used by
default by the virtio-iommu. Current page size mask
default is qemu_target_page_mask so this translates
into

virtio-iommu: Add a granule property

This allows to choose which granule will be used by
default by the virtio-iommu. Current page size mask
default is qemu_target_page_mask so this translates
into a 4k granule on ARM and x86_64 where virtio-iommu
is supported.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>

Message-Id: <20240307134445.92296-3-eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

show more ...

Merge tag 'pull-vfio-20231106' of https://github.com/legoater/qemu into staging

vfio queue:

* Support for non 64b IOVA space
* Introduction of a PCIIOMMUOps callback structure to ease future
exte

Merge tag 'pull-vfio-20231106' of https://github.com/legoater/qemu into staging

vfio queue:

* Support for non 64b IOVA space
* Introduction of a PCIIOMMUOps callback structure to ease future
extensions
* Fix for a buffer overrun when writing the VF token
* PPC cleanups preparing ground for IOMMUFD support

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# gpg: using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
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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-20231106' of https://github.com/legoater/qemu: (22 commits)
vfio/common: Move vfio_host_win_add/del into spapr.c
vfio/spapr: Make vfio_spapr_create/remove_window static
vfio/container: Move spapr specific init/deinit into spapr.c
vfio/container: Move vfio_container_add/del_section_window into spapr.c
vfio/container: Move IBM EEH related functions into spapr_pci_vfio.c
util/uuid: Define UUID_STR_LEN from UUID_NONE string
util/uuid: Remove UUID_FMT_LEN
vfio/pci: Fix buffer overrun when writing the VF token
util/uuid: Add UUID_STR_LEN definition
hw/pci: modify pci_setup_iommu() to set PCIIOMMUOps
test: Add some tests for range and resv-mem helpers
virtio-iommu: Consolidate host reserved regions and property set ones
virtio-iommu: Implement set_iova_ranges() callback
virtio-iommu: Record whether a probe request has been issued
range: Introduce range_inverse_array()
virtio-iommu: Introduce per IOMMUDevice reserved regions
util/reserved-region: Add new ReservedRegion helpers
range: Make range_compare() public
virtio-iommu: Rename reserved_regions into prop_resv_regions
vfio: Collect container iova range info
...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

virtio-iommu: Implement set_iova_ranges() callback

The implementation populates the array of per IOMMUDevice
host reserved ranges.

It is forbidden to have conflicting sets of host IOVA ranges
to be

virtio-iommu: Implement set_iova_ranges() callback

The implementation populates the array of per IOMMUDevice
host reserved ranges.

It is forbidden to have conflicting sets of host IOVA ranges
to be applied onto the same IOMMU MR (implied by different
host devices).

In case the callback is called after the probe request has
been issues by the driver, a warning is issued.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: "Michael S. Tsirkin" <mst@redhat.com>
Tested-by: Yanghang Liu <yanghliu@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>

show more ...

virtio-iommu: Record whether a probe request has been issued

Add an IOMMUDevice 'probe_done' flag to record that the driver
already issued a probe request on that device.

This will be useful to dou

virtio-iommu: Record whether a probe request has been issued

Add an IOMMUDevice 'probe_done' flag to record that the driver
already issued a probe request on that device.

This will be useful to double check host reserved regions aren't
notified after the probe and hence are not taken into account
by the driver.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Suggested-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: "Michael S. Tsirkin" <mst@redhat.com>
Tested-by: Yanghang Liu <yanghliu@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>

show more ...

virtio-iommu: Introduce per IOMMUDevice reserved regions

For the time being the per device reserved regions are
just a duplicate of IOMMU wide reserved regions. Subsequent
patches will combine those

virtio-iommu: Introduce per IOMMUDevice reserved regions

For the time being the per device reserved regions are
just a duplicate of IOMMU wide reserved regions. Subsequent
patches will combine those with host reserved regions, if any.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Yanghang Liu <yanghliu@redhat.com>
Reviewed-by: "Michael S. Tsirkin" <mst@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>

show more ...

virtio-iommu: Rename reserved_regions into prop_resv_regions

Rename VirtIOIOMMU (nb_)reserved_regions fields with the "prop_" prefix
to highlight those fields are set through a property, at machine

virtio-iommu: Rename reserved_regions into prop_resv_regions

Rename VirtIOIOMMU (nb_)reserved_regions fields with the "prop_" prefix
to highlight those fields are set through a property, at machine level.
They are IOMMU wide.

A subsequent patch will introduce per IOMMUDevice reserved regions
that will include both those IOMMU wide property reserved
regions plus, sometimes, host reserved regions, if the device is
backed by a host device protected by a physical IOMMU. Also change
nb_ prefix by nr_.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: "Michael S. Tsirkin" <mst@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>

show more ...

Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging

pc,pci,virtio: cleanups, fixes, features

vhost-user-gpu: edid
vhost-user-scmi device
vhost-vdpa: _F_CTRL_RX

Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging

pc,pci,virtio: cleanups, fixes, features

vhost-user-gpu: edid
vhost-user-scmi device
vhost-vdpa: _F_CTRL_RX and _F_CTRL_RX_EXTRA support for svq

cleanups, fixes all over the place.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# -----BEGIN PGP SIGNATURE-----
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# =RsOh
# -----END PGP SIGNATURE-----
# gpg: Signature made Tue 11 Jul 2023 12:00:19 AM BST
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [undefined]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469

* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (66 commits)
vdpa: Allow VIRTIO_NET_F_CTRL_RX_EXTRA in SVQ
vdpa: Restore packet receive filtering state relative with _F_CTRL_RX_EXTRA feature
vdpa: Allow VIRTIO_NET_F_CTRL_RX in SVQ
vdpa: Avoid forwarding large CVQ command failures
vdpa: Accessing CVQ header through its structure
vhost: Fix false positive out-of-bounds
vdpa: Restore packet receive filtering state relative with _F_CTRL_RX feature
vdpa: Restore MAC address filtering state
vdpa: Use iovec for vhost_vdpa_net_load_cmd()
pcie: Specify 0 for ARI next function numbers
pcie: Use common ARI next function number
include/hw/virtio: document some more usage of notifiers
include/hw/virtio: add kerneldoc for virtio_init
include/hw/virtio: document virtio_notify_config
hw/virtio: fix typo in VIRTIO_CONFIG_IRQ_IDX comments
include/hw: document the device_class_set_parent_* fns
include: attempt to document device_class_set_props
vdpa: Fix possible use-after-free for VirtQueueElement
pcie: Add hotplug detect state register to cmask
virtio-iommu: Rework the traces in virtio_iommu_set_page_size_mask()
...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

virtio-iommu: Fix 64kB host page size VFIO device assignment

When running on a 64kB page size host and protecting a VFIO device
with the virtio-iommu, qemu crashes with this kind of message:

qemu-k

virtio-iommu: Fix 64kB host page size VFIO device assignment

When running on a 64kB page size host and protecting a VFIO device
with the virtio-iommu, qemu crashes with this kind of message:

qemu-kvm: virtio-iommu page mask 0xfffffffffffff000 is incompatible
with mask 0x20010000
qemu: hardware error: vfio: DMA mapping failed, unable to continue

This is due to the fact the IOMMU MR corresponding to the VFIO device
is enabled very late on domain attach, after the machine init.
The device reports a minimal 64kB page size but it is too late to be
applied. virtio_iommu_set_page_size_mask() fails and this causes
vfio_listener_region_add() to end up with hw_error();

To work around this issue, we transiently enable the IOMMU MR on
machine init to collect the page size requirements and then restore
the bypass state.

Fixes: 90519b9053 ("virtio-iommu: Add bypass mode support to assigned device")
Signed-off-by: Eric Auger <eric.auger@redhat.com>

Message-Id: <20230705165118.28194-2-eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Tested-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>

show more ...

Merge tag 'for_upstream' of git://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging

virtio,pc,pci: fixes,cleanups,features

more CXL patches
RSA support for crypto
fixes, cleanups all over the p

Merge tag 'for_upstream' of git://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging

virtio,pc,pci: fixes,cleanups,features

more CXL patches
RSA support for crypto
fixes, cleanups all over the place

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# -----BEGIN PGP SIGNATURE-----
#
# iQFDBAABCAAtFiEEXQn9CHHI+FuUyooNKB8NuNKNVGkFAmKrYLMPHG1zdEByZWRo
# YXQuY29tAAoJECgfDbjSjVRpwpwH/2IS+V7wS3q/XXPz1HndJLpUP/z+mkeu9W6+
# X1U9CJ+66Ag4eD5T/jzoN0JEjiTeET/3xM+PY5NYZCh6QTAmA7EfFZv99oNWpGd1
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# bIJVeaXm5yQLcCTGzKzdXf+HmTErpEGDCDHFjzrLVjICRDdekElGVwYTn+ycl7p7
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# =PvmT
# -----END PGP SIGNATURE-----
# gpg: Signature made Thu 16 Jun 2022 09:56:19 AM PDT
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [undefined]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469

* tag 'for_upstream' of git://git.kernel.org/pub/scm/virt/kvm/mst/qemu:
acpi/erst: fix fallthrough code upon validation failure
vhost: also check queue state in the vhost_dev_set_log error routine
crypto: Introduce RSA algorithm
virtio-iommu: Add an assert check in translate routine
virtio-iommu: Use recursive lock to avoid deadlock
virtio-iommu: Add bypass mode support to assigned device
virtio/vhost-user: Fix wrong vhost notifier GPtrArray size
docs/cxl: Add switch documentation
pci-bridge/cxl_downstream: Add a CXL switch downstream port
pci-bridge/cxl_upstream: Add a CXL switch upstream port

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

virtio-iommu: Use recursive lock to avoid deadlock

When switching address space with mutex lock hold, mapping will be
replayed for assigned device. This will trigger relock deadlock.

Also release t

virtio-iommu: Use recursive lock to avoid deadlock

When switching address space with mutex lock hold, mapping will be
replayed for assigned device. This will trigger relock deadlock.

Also release the mutex resource in unrealize routine.

Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Message-Id: <20220613061010.2674054-3-zhenzhong.duan@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

show more ...

virtio-iommu: Add bypass mode support to assigned device

Currently assigned devices can not work in virtio-iommu bypass mode.
Guest driver fails to probe the device due to DMA failure. And the
reaso

virtio-iommu: Add bypass mode support to assigned device

Currently assigned devices can not work in virtio-iommu bypass mode.
Guest driver fails to probe the device due to DMA failure. And the
reason is because of lacking GPA -> HPA mappings when VM is created.

Add a root container memory region to hold both bypass memory region
and iommu memory region, so the switch between them is supported
just like the implementation in virtual VT-d.

Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Message-Id: <20220613061010.2674054-2-zhenzhong.duan@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

show more ...

Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio,pc,pci: features, cleanups, fixes

vhost-user enabled on non-linux systems
beginning of nvme sriov support
bigger tx

Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio,pc,pci: features, cleanups, fixes

vhost-user enabled on non-linux systems
beginning of nvme sriov support
bigger tx queue for vdpa
virtio iommu bypass
FADT flag to detect legacy keyboards

Fixes, cleanups all over the place

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Mon 07 Mar 2022 22:43:31 GMT
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469

* remotes/mst/tags/for_upstream: (47 commits)
hw/acpi/microvm: turn on 8042 bit in FADT boot architecture flags if present
tests/acpi: i386: update FACP table differences
hw/acpi: add indication for i8042 in IA-PC boot flags of the FADT table
tests/acpi: i386: allow FACP acpi table changes
docs: vhost-user: add subsection for non-Linux platforms
configure, meson: allow enabling vhost-user on all POSIX systems
vhost: use wfd on functions setting vring call fd
event_notifier: add event_notifier_get_wfd()
pci: drop COMPAT_PROP_PCP for 2.0 machine types
hw/smbios: Add table 4 parameter, "processor-id"
x86: cleanup unused compat_apic_id_mode
vhost-vsock: detach the virqueue element in case of error
pc: add option to disable PS/2 mouse/keyboard
acpi: pcihp: pcie: set power on cap on parent slot
pci: expose TYPE_XIO3130_DOWNSTREAM name
pci: show id info when pci BDF conflict
hw/misc/pvpanic: Use standard headers instead
headers: Add pvpanic.h
pci-bridge/xio3130_downstream: Fix error handling
pci-bridge/xio3130_upstream: Fix error handling
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

# Conflicts:
# docs/specs/index.rst

show more ...

virtio-iommu: Default to bypass during boot

Currently the virtio-iommu device must be programmed before it allows
DMA from any PCI device. This can make the VM entirely unusable when a
virtio-iommu

virtio-iommu: Default to bypass during boot

Currently the virtio-iommu device must be programmed before it allows
DMA from any PCI device. This can make the VM entirely unusable when a
virtio-iommu driver isn't present, for example in a bootloader that
loads the OS from storage.

Similarly to the other vIOMMU implementations, default to DMA bypassing
the IOMMU during boot. Add a "boot-bypass" property, defaulting to true,
that lets users change this behavior.

Replace the VIRTIO_IOMMU_F_BYPASS feature, which didn't support bypass
before feature negotiation, with VIRTIO_IOMMU_F_BYPASS_CONFIG.

We add the bypass field to the migration stream without introducing
subsections, based on the assumption that this virtio-iommu device isn't
being used in production enough to require cross-version migration at
the moment (all previous version required workarounds since they didn't
support ACPI and boot-bypass).

Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Message-Id: <20220214124356.872985-3-jean-philippe@linaro.org>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

show more ...

Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

pc,pci,virtio: features, fixes, tests

vhost user rng
vdpa multiqueue
Fixes, cleanups, new tests all over the place.

Signed

Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

pc,pci,virtio: features, fixes, tests

vhost user rng
vdpa multiqueue
Fixes, cleanups, new tests all over the place.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Wed 20 Oct 2021 03:18:24 AM PDT
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full]

* remotes/mst/tags/for_upstream: (44 commits)
tests/acpi/bios-tables-test: update DSDT blob for multifunction bridge test
tests/acpi/pcihp: add unit tests for hotplug on multifunction bridges for q35
tests/acpi/bios-tables-test: add and allow changes to a new q35 DSDT table blob
pci: fix PCI resource reserve capability on BE
vhost-vdpa: multiqueue support
virtio-net: vhost control virtqueue support
vhost: record the last virtqueue index for the virtio device
virtio-net: use "queue_pairs" instead of "queues" when possible
vhost-net: control virtqueue support
net: introduce control client
vhost-vdpa: let net_vhost_vdpa_init() returns NetClientState *
vhost-vdpa: prepare for the multiqueue support
vhost-vdpa: classify one time request
vhost-vdpa: open device fd in net_init_vhost_vdpa()
bios-tables-test: don't disassemble empty files
rebuild-expected-aml.sh: allow partial target list
qdev/qbus: remove failover specific code
vhost-user-blk-test: pass vhost-user socket fds to QSD
failover: fix a regression introduced by JSON'ification of -device
vhost-user: fix duplicated notifier MR init
...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

virtio-iommu: Drop base_name and change generic_name

Drop base_name and turn generic_name into
"virtio-iommu-pci". This is more in line with
other modern-only devices.

Signed-off-by: Eric Auger <er

virtio-iommu: Drop base_name and change generic_name

Drop base_name and turn generic_name into
"virtio-iommu-pci". This is more in line with
other modern-only devices.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Suggested-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20211013191755.767468-3-eric.auger@redhat.com>
Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

show more ...

Merge remote-tracking branch 'remotes/ehabkost/tags/machine-next-pull-request' into staging

QOM queue, 2020-09-18

Fixes:
* Error value corrections (Markus Armbruster)
* Correct object_class_dynamic

Merge remote-tracking branch 'remotes/ehabkost/tags/machine-next-pull-request' into staging

QOM queue, 2020-09-18

Fixes:
* Error value corrections (Markus Armbruster)
* Correct object_class_dynamic_cast_assert() documentation (Eduardo Habkost)
* Ensure objects using QEMU_ALIGNED are properly aligned (Richard Henderson)

QOM cleanups (Eduardo Habkost):
* Rename some constants
* Simplify parameters of OBJECT_DECLARE* macros
* Additional DECLARE_*CHECKER* usage
* Additional OBJECT_DECLARE_TYPE usage
* Additional OBJECT_DECLARE_SIMPLE_TYPE usage

# gpg: Signature made Fri 18 Sep 2020 21:45:29 BST
# gpg: using RSA key 5A322FD5ABC4D3DBACCFD1AA2807936F984DC5A6
# gpg: issuer "ehabkost@redhat.com"
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" [full]
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/machine-next-pull-request:
Use OBJECT_DECLARE_SIMPLE_TYPE when possible
Use OBJECT_DECLARE_TYPE when possible
qom: Remove module_obj_name parameter from OBJECT_DECLARE* macros
qom: Remove ParentClassType argument from OBJECT_DECLARE_SIMPLE_TYPE
scripts/codeconverter: Update to latest version
target/s390x: Set instance_align on S390CPU TypeInfo
target/riscv: Set instance_align on RISCVCPU TypeInfo
target/ppc: Set instance_align on PowerPCCPU TypeInfo
target/arm: Set instance_align on CPUARM TypeInfo
qom: Allow objects to be allocated with increased alignment
qom: Correct error values in two contracts
qom: Clean up object_property_get_enum()'s error value
qom: Correct object_class_dynamic_cast_assert() documentation
sifive: Use DECLARE_*CHECKER* macros
sifive: Move QOM typedefs and add missing includes
sifive_u: Rename memmap enum constants
sifive_e: Rename memmap enum constants

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

Use OBJECT_DECLARE_SIMPLE_TYPE when possible

This converts existing DECLARE_INSTANCE_CHECKER usage to
OBJECT_DECLARE_SIMPLE_TYPE when possible.

$ ./scripts/codeconverter/converter.py -i \
--patte

Use OBJECT_DECLARE_SIMPLE_TYPE when possible

This converts existing DECLARE_INSTANCE_CHECKER usage to
OBJECT_DECLARE_SIMPLE_TYPE when possible.

$ ./scripts/codeconverter/converter.py -i \
--pattern=AddObjectDeclareSimpleType $(git grep -l '' -- '*.[ch]')

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Acked-by: Paul Durrant <paul@xen.org>
Message-Id: <20200916182519.415636-6-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>

show more ...