hw/vfio: add ramfb migration support

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: Mar

hw/vfio: add ramfb migration support

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>

show more ...

ramfb-standalone: add migration support

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 L

ramfb-standalone: add migration support

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>

show more ...

cpu: Correct invalid mentions of 'softmmu' by 'system-mode'

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20231004090629.37473-4-philmd@linaro.org>
Signed-off-by: Paolo Bonz

cpu: Correct invalid mentions of 'softmmu' by 'system-mode'

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20231004090629.37473-4-philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

show more ...

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

virtio,pci: features, cleanups

vdpa:
shadow vq vlan support
net migration with cvq
cxl:
su

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

virtio,pci: features, cleanups

vdpa:
shadow vq vlan support
net migration with cvq
cxl:
support emulating 4 HDM decoders
serial number extended capability
virtio:
hared dma-buf

Fixes, cleanups all over the place.

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

* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (53 commits)
libvhost-user: handle shared_object msg
vhost-user: add shared_object msg
hw/display: introduce virtio-dmabuf
util/uuid: add a hash function
virtio: remove unused next argument from virtqueue_split_read_next_desc()
virtio: remove unnecessary thread fence while reading next descriptor
virtio: use shadow_avail_idx while checking number of heads
libvhost-user.c: add assertion to vu_message_read_default
pcie_sriov: unregister_vfs(): fix error path
hw/i386/pc: improve physical address space bound check for 32-bit x86 systems
amd_iommu: Fix APIC address check
vdpa net: follow VirtIO initialization properly at cvq isolation probing
vdpa net: stop probing if cannot set features
vdpa net: fix error message setting virtio status
hw/pci-bridge/cxl-upstream: Add serial number extended capability support
hw/cxl: Support 4 HDM decoders at all levels of topology
hw/cxl: Fix and use same calculation for HDM decoder block size everywhere
hw/cxl: Add utility functions decoder interleave ways and target count.
hw/cxl: Push cxl_decoder_count_enc() and cxl_decode_ig() into .c
vdpa net: zero vhost_vdpa iova_tree pointer at cleanup
...

Conflicts:
hw/core/machine.c
Context conflict with commit 314e0a84cd5d ("hw/core: remove needless
includes") because it removed an adjacent #include.

show more ...

Merge tag 'pull-tcg-20231004' of https://gitlab.com/rth7680/qemu into staging

accel: Introduce AccelClass::cpu_common_[un]realize
accel: Target agnostic code movement
accel/tcg: Cleanups to use CPUS

Merge tag 'pull-tcg-20231004' of https://gitlab.com/rth7680/qemu into staging

accel: Introduce AccelClass::cpu_common_[un]realize
accel: Target agnostic code movement
accel/tcg: Cleanups to use CPUState instead of CPUArchState
accel/tcg: Move CPUNegativeOffsetState into CPUState
tcg: Split out tcg init functions to tcg/startup.h
linux-user/hppa: Fix struct target_sigcontext layout
build: Remove --enable-gprof

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# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F

* tag 'pull-tcg-20231004' of https://gitlab.com/rth7680/qemu: (47 commits)
tcg/loongarch64: Fix buid error
tests/avocado: Re-enable MIPS Malta tests (GitLab issue #1884 fixed)
build: Remove --enable-gprof
linux-user/hppa: Fix struct target_sigcontext layout
tcg: Split out tcg init functions to tcg/startup.h
tcg: Remove argument to tcg_prologue_init
accel/tcg: Make cpu-exec-common.c a target agnostic unit
accel/tcg: Make icount.o a target agnostic unit
accel/tcg: Make monitor.c a target-agnostic unit
accel/tcg: Rename target-specific 'internal.h' -> 'internal-target.h'
exec: Rename target specific page-vary.c -> page-vary-target.c
exec: Rename cpu.c -> cpu-target.c
accel: Rename accel-common.c -> accel-target.c
accel: Make accel-blocker.o target agnostic
accel/tcg: Restrict dump_exec_info() declaration
exec: Move cpu_loop_foo() target agnostic functions to 'cpu-common.h'
exec: Make EXCP_FOO definitions target agnostic
accel/tcg: move ld/st helpers to ldst_common.c.inc
accel/tcg: Unify user and softmmu do_[st|ld]*_mmu()
accel/tcg: Remove env_tlb()
...

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

show more ...

Merge tag 'misc-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging

Misc fixes and cleanups

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Merge tag 'misc-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging

Misc fixes and cleanups

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# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg: aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276 F62D DAE8 E109 7596 9CE5

* tag 'misc-pull-request' of https://gitlab.com/marcandre.lureau/qemu:
chardev/char-pty: Avoid losing bytes when the other side just (re-)connected
hw/display/ramfb: plug slight guest-triggerable leak on mode setting
hw/pc: remove needless includes
hw/core: remove needless includes
analyze-migration: ignore RAM_SAVE_FLAG_MULTIFD_FLUSH
ui/gtk: fix UI info precondition
win32: avoid discarding the exception handler
ui: add XBGR8888 and ABGR8888 in drm_format_pixman_map
ui/console: sanitize search in qemu_graphic_console_is_multihead()
ui/console: eliminate QOM properties from qemu_console_is_multihead()
ui/console: only walk QemuGraphicConsoles in qemu_console_is_multihead()
ui/console: make qemu_console_is_multihead() static
input: Allow to choose console with qemu_input_is_absolute

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

show more ...

pci: SLT must be RO

current code sets PCI_SEC_LATENCY_TIMER to RW, but for
pcie to pcie bridges it must be RO 0 according to
pci express spec which says:
This register does not apply to PCI Expr

pci: SLT must be RO

current code sets PCI_SEC_LATENCY_TIMER to RW, but for
pcie to pcie bridges it must be RO 0 according to
pci express spec which says:
This register does not apply to PCI Express. It must be read-only
and hardwired to 00h. For PCI Express to PCI/PCI-X Bridges, refer to the
[PCIe-to-PCI-PCI-X-Bridge] for requirements for this register.

also, fix typo in comment where it's made writeable - this typo
is likely what prevented us noticing we violate this requirement
in the 1st place.

Reported-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Message-Id: <de9d05366a70172e1789d10591dbe59e39c3849c.1693432039.git.mst@redhat.com>
Tested-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

show more ...

accel/tcg: Move can_do_io to CPUNegativeOffsetState

Minimize the displacement to can_do_io, since it may
be touched at the start of each TranslationBlock.
It fits into other padding within the subst

accel/tcg: Move can_do_io to CPUNegativeOffsetState

Minimize the displacement to can_do_io, since it may
be touched at the start of each TranslationBlock.
It fits into other padding within the substructure.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

accel/tcg: Remove CPUState.icount_decr_ptr

We can now access icount_decr directly.

Reviewed-by: Anton Johansson <anjo@rev.ng>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* fix from optionrom build
* fix for KVM on Apple M2
* introduce machine property "audiodev"
* ui/vnc: Require audiodev= to e

Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* fix from optionrom build
* fix for KVM on Apple M2
* introduce machine property "audiodev"
* ui/vnc: Require audiodev= to enable audio
* audio: remove QEMU_AUDIO_* and -audio-help support
* audio: forbid using default audiodev backend with -audiodev and -nodefaults
* remove compatibility code for old machine types
* make-release: do not ship dtc sources
* build system cleanups

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# 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
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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (24 commits)
audio: forbid default audiodev backend with -nodefaults
audio: propagate Error * out of audio_init
vt82c686 machines: Support machine-default audiodev with fallback
hw/ppc: Support machine-default audiodev with fallback
hw/arm: Support machine-default audiodev with fallback
Introduce machine property "audiodev"
audio: remove QEMU_AUDIO_* and -audio-help support
audio: simplify flow in audio_init
audio: commonize voice initialization
audio: return Error ** from audio_state_by_name
audio: allow returning an error from the driver init
audio: Require AudioState in AUD_add_capture
ui/vnc: Require audiodev= to enable audio
crypto: only include tls-cipher-suites in emulators
scsi-disk: ensure that FORMAT UNIT commands are terminated
esp: restrict non-DMA transfer length to that of available data
esp: use correct type for esp_dma_enable() in sysbus_esp_gpio_demux()
Makefile: build plugins before running TCG tests
meson: clean up static_library keyword arguments
make-release: do not ship dtc sources
...

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

show more ...

hw/core: remove needless includes

The include list is large, make it smaller.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>

Introduce machine property "audiodev"

Many machine types have default audio devices with no way to set the underlying
audiodev. Instead of adding an option for each and every one of them, this new

Introduce machine property "audiodev"

Many machine types have default audio devices with no way to set the underlying
audiodev. Instead of adding an option for each and every one of them, this new
property can be used as a default during machine initialisation when creating
such devices.

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
[Make the property optional, instead of including it in all machines. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

show more ...

audio: return Error ** from audio_state_by_name

Remove duplicate error formatting code.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

hw/core/machine: Clean up local variable shadowing

Fix:

hw/core/machine.c: In function ‘machine_initfn’:
hw/core/machine.c:1081:17: warning: declaration of ‘obj’ shadows a parameter [-Wshadow=c

hw/core/machine: Clean up local variable shadowing

Fix:

hw/core/machine.c: In function ‘machine_initfn’:
hw/core/machine.c:1081:17: warning: declaration of ‘obj’ shadows a parameter [-Wshadow=compatible-local]
1081 | Object *obj = OBJECT(ms);
| ^~~
hw/core/machine.c:1065:36: note: shadowed declaration is here
1065 | static void machine_initfn(Object *obj)
| ~~~~~~~~^~~

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20230904162824.85385-2-philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>

show more ...

hw/other: spelling fixes

Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

Merge tag 'mem-2023-09-19' of https://github.com/davidhildenbrand/qemu into staging

Hi,

"Host Memory Backends" and "Memory devices" queue ("mem"):
- Support and document VM templating with R/O file

Merge tag 'mem-2023-09-19' of https://github.com/davidhildenbrand/qemu into staging

Hi,

"Host Memory Backends" and "Memory devices" queue ("mem"):
- Support and document VM templating with R/O files using a new "rom"
parameter for memory-backend-file
- Some cleanups and fixes around NVDIMMs and R/O file handling for guest
RAM
- Optimize ioeventfd updates by skipping address spaces that are not
applicable

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# gpg: issuer "david@redhat.com"
# gpg: Good signature from "David Hildenbrand <david@redhat.com>" [unknown]
# gpg: aka "David Hildenbrand <davidhildenbrand@gmail.com>" [full]
# gpg: aka "David Hildenbrand <hildenbr@in.tum.de>" [unknown]
# gpg: WARNING: The key's User ID is not certified with a trusted signature!
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# Primary key fingerprint: 1BD9 CAAD 735C 4C3A 460D FCCA 4DDE 10F7 00FF 835A

* tag 'mem-2023-09-19' of https://github.com/davidhildenbrand/qemu:
memory: avoid updating ioeventfds for some address_space
machine: Improve error message when using default RAM backend id
softmmu/physmem: Hint that "readonly=on,rom=off" exists when opening file R/W for private mapping fails
docs: Start documenting VM templating
docs: Don't mention "-mem-path" in multi-process.rst
softmmu/physmem: Never return directories from file_ram_open()
softmmu/physmem: Fail creation of new files in file_ram_open() with readonly=true
softmmu/physmem: Bail out early in ram_block_discard_range() with readonly files
softmmu/physmem: Remap with proper protection in qemu_ram_remap()
backends/hostmem-file: Add "rom" property to support VM templating with R/O files
softmmu/physmem: Distinguish between file access mode and mmap protection
nvdimm: Reject writing label data to ROM instead of crashing QEMU

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

show more ...

machine: Improve error message when using default RAM backend id

For migration purposes, users might want to reuse the default RAM
backend id, but specify a different memory backend.

For example, t

machine: Improve error message when using default RAM backend id

For migration purposes, users might want to reuse the default RAM
backend id, but specify a different memory backend.

For example, to reuse "pc.ram" on q35, one has to set
-machine q35,memory-backend=pc.ram
Only then, can a memory backend with the id "pc.ram" be created
manually.

Let's improve the error message by improving the hint. Use
error_append_hint() -- which in turn requires ERRP_GUARD().

Message-ID: <20230906120503.359863-12-david@redhat.com>
Suggested-by: ThinerLogoer <logoerthiner1@163.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Mario Casquero <mcasquer@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>

show more ...

virtio-net: Add support for USO features

USO features of virtio-net device depend on kernel ability
to support them, for backward compatibility by default the
features are disabled on 8.0 and earlie

virtio-net: Add support for USO features

USO features of virtio-net device depend on kernel ability
to support them, for backward compatibility by default the
features are disabled on 8.0 and earlier.

Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com>
Signed-off-by: Andrew Melnychecnko <andrew@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>

show more ...

qdev: Add qdev_add_vm_change_state_handler_full()

Add qdev_add_vm_change_state_handler_full() variant that allows setting
a prepare callback in addition to the main callback.

This will facilitate a

qdev: Add qdev_add_vm_change_state_handler_full()

Add qdev_add_vm_change_state_handler_full() variant that allows setting
a prepare callback in addition to the main callback.

This will facilitate adding P2P support for VFIO migration in the
following patches.

Signed-off-by: Avihai Horon <avihaih@nvidia.com>
Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Tested-by: YangHang Liu <yanghliu@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>

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hw: Add compat machines for 8.2

Add 8.2 machine types for arm/i440fx/m68k/q35/s390x/spapr.

Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20230718142235.135319-1-cohuck@redhat.com>
R

hw: Add compat machines for 8.2

Add 8.2 machine types for arm/i440fx/m68k/q35/s390x/spapr.

Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20230718142235.135319-1-cohuck@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Acked-by: Laurent Vivier <laurent@vivier.eu>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

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misc: Fix some typos in documentation and comments

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linar

misc: Fix some typos in documentation and comments

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230730180329.851576-1-sw@weilnetz.de>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>

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