hw/boards: Do not create unusable default if=sd drives

A number of machines create an if=sd drive by default even though
they lack an SD bus, and therefore cannot use the drive.

This drive is creat

hw/boards: Do not create unusable default if=sd drives

A number of machines create an if=sd drive by default even though
they lack an SD bus, and therefore cannot use the drive.

This drive is created when the machine sets flag
@auto_create_sdcard.

See for example running HMP "info block" on the HPPA C3700 machine:

$ qemu-system-hppa -M C3700 -monitor stdio -S
(qemu) info block

floppy0: [not inserted]
Removable device: not locked, tray closed

sd0: [not inserted]
Removable device: not locked, tray closed

$ qemu-system-hppa -M C3700 -sd /bin/sh
qemu-system-hppa: -sd /bin/sh: machine type does not support if=sd,bus=0,unit=0

Delete that from machines that lack an SD bus.

Note, only the ARM and RISCV targets use such feature:

$ git grep -wl IF_SD hw | cut -d/ -f-2 | sort -u
hw/arm
hw/riscv
$

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20250204200934.65279-5-philmd@linaro.org>

show more ...

hw/boards: Rename no_sdcard -> auto_create_sdcard

Invert the 'no_sdcard' logic, renaming it as the more explicit
"auto_create_sdcard". Machines are supposed to create a SD Card
drive when this flag

hw/boards: Rename no_sdcard -> auto_create_sdcard

Invert the 'no_sdcard' logic, renaming it as the more explicit
"auto_create_sdcard". Machines are supposed to create a SD Card
drive when this flag is set. In many cases it doesn't make much
sense (as boards don't expose SD Card host controller), but this
is patch only aims to expose that nonsense; so no logical change
intended (mechanical patch using gsed).

Most of the changes are:

- mc->no_sdcard = ON_OFF_AUTO_OFF;
+ mc->auto_create_sdcard = true;

Except in
. hw/core/null-machine.c
. hw/arm/xilinx_zynq.c
. hw/s390x/s390-virtio-ccw.c
where the disabled option is manually removed (since default):

- mc->no_sdcard = ON_OFF_AUTO_ON;
+ mc->auto_create_sdcard = false;
- mc->auto_create_sdcard = false;

and in system/vl.c we change the 'default_sdcard' type to boolean.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20250204200934.65279-4-philmd@linaro.org>

show more ...

hw/boards: Explicit no_sdcard=false as ON_OFF_AUTO_OFF

Update MachineClass::no_sdcard default implicit AUTO
initialization to explicit OFF. This flag is consumed
in system/vl.c::qemu_disable_default

hw/boards: Explicit no_sdcard=false as ON_OFF_AUTO_OFF

Update MachineClass::no_sdcard default implicit AUTO
initialization to explicit OFF. This flag is consumed
in system/vl.c::qemu_disable_default_devices(). Use
this place to assert we don't have anymore AUTO state.

In hw/ppc/e500.c we add the ppce500_machine_class_init()
method to initialize once all the inherited classes.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20250204200934.65279-3-philmd@linaro.org>

show more ...

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: Signature made Fri 20 Dec 2024 11:45:20 EST
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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 'hw-misc-accel-20240604' of https://github.com/philmd/qemu into staging

Misc HW & accelerators patch queue

- Use async exit in debugexit model (Thomas)
- Fixed bug reading xlnx_dpdma desc

Merge tag 'hw-misc-accel-20240604' of https://github.com/philmd/qemu into staging

Misc HW & accelerators patch queue

- Use async exit in debugexit model (Thomas)
- Fixed bug reading xlnx_dpdma descriptor (Peter)
- Initialise plugin state before vCPU/thread creation (Alex)
- Few sprintf() calls removed (Richard & Philippe)
- Few deprecated QMP events removed (Philippe)
- Housekeeping in Xen (Edgar & Philippe)
- Split USB HID/HUB & update MAINTAINERS (Gerd)

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# gpg: Signature made Tue 04 Jun 2024 04:54:27 AM CDT
# gpg: using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]

* tag 'hw-misc-accel-20240604' of https://github.com/philmd/qemu: (32 commits)
usb: add config options for the hub and hid devices
qga: Remove deprecated 'blacklist' argument / config key
trace: Remove deprecated 'vcpu' field from QMP trace events
hw/acpi: Remove the deprecated QAPI MEM_UNPLUG_ERROR event
hw/dma/xlnx_dpdma: Read descriptor into buffer, not into pointer-to-buffer
hw/misc/debugexit: use runstate API instead of plain exit()
hw/xen: Register framebuffer backend via xen_backend_init()
hw/xen: Make XenDevOps structures const
hw/xen: Constify xenstore_be::XenDevOps
hw/xen: Constify XenLegacyDevice::XenDevOps
physmem: Replace check for RAMBlock offset 0 with xen_mr_is_memory
physmem: Always pass offset + addr to xen_map_cache
xen: Add xen_mr_is_memory()
core/cpu-common: initialise plugin state before thread creation
plugins: remove special casing for cpu->realized
cpu-target: don't set cpu->thread_id to bogus value
cpu: move Qemu[Thread|Cond] setup into common code
hw/core: expand on the alignment of CPUState
accel/kvm: Fix two lines with hard-coded tabs
accel/tcg: Move common declarations to 'internal-common.h'
...

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

show more ...

hw/xen: Register framebuffer backend via xen_backend_init()

Align the framebuffer backend with the other legacy ones,
register it via xen_backend_init() when '-vga xenfb' is
used. It is safe because

hw/xen: Register framebuffer backend via xen_backend_init()

Align the framebuffer backend with the other legacy ones,
register it via xen_backend_init() when '-vga xenfb' is
used. It is safe because MODULE_INIT_XEN_BACKEND is called
in xen_bus_realize(), long after CLI processing initialized
the vga_interface_type variable.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Paul Durrant <paul@xen.org>
Message-Id: <20240510104908.76908-8-philmd@linaro.org>

show more ...

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

* target/i386: miscellaneous changes, mostly TCG-related
* fix --without-default-devices build
* fix --without-default-device

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

* target/i386: miscellaneous changes, mostly TCG-related
* fix --without-default-devices build
* fix --without-default-devices qtests on s390x and arm

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# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full]

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (27 commits)
configs: disable emulators that require it if libfdt is not found
hw/xtensa: require libfdt
kconfig: express dependency of individual boards on libfdt
kconfig: allow compiling out QEMU device tree code per target
meson: move libfdt together with other dependencies
meson: pick libfdt from common_ss when building target-specific files
tests/qtest: arm: fix operation in a build without any boards or devices
i386: select correct components for no-board build
hw/i386: move rtc-reset-reinjection command out of hw/rtc
hw/i386: split x86.c in multiple parts
i386: pc: remove unnecessary MachineClass overrides
i386: correctly select code in hw/i386 that depends on other components
xen: register legacy backends via xen_backend_init
xen: initialize legacy backends from xen_bus_init()
tests/qtest: s390x: fix operation in a build without any boards or devices
s390x: select correct components for no-board build
s390: move css_migration_enabled from machine to css.c
s390_flic: add migration-enabled property
s390x: move s390_cpu_addr2state to target/s390x/sigp.c
sh4: select correct components for no-board build
...

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

show more ...

xen: initialize legacy backends from xen_bus_init()

Prepare for moving the calls to xen_be_register() under the
control of xen_bus_init(), using the normal xen_backend_init()
method that is used by

xen: initialize legacy backends from xen_bus_init()

Prepare for moving the calls to xen_be_register() under the
control of xen_bus_init(), using the normal xen_backend_init()
method that is used by the "modern" backends.

This requires the xenstore global variable to be initialized,
which is done by xen_be_init(). To ensure that everything is
ready at the time the xen_backend_init() functions are called,
remove the xen_be_init() function from all the boards and
place it directly in xen_bus_init().

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240509170044.190795-7-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

show more ...

Merge tag 'pull-nic-config-2-20240202' of git://git.infradead.org/users/dwmw2/qemu into staging

Rework matching of network devices to -nic options (v2)

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Merge tag 'pull-nic-config-2-20240202' of git://git.infradead.org/users/dwmw2/qemu into staging

Rework matching of network devices to -nic options (v2)

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# gpg: aka "David Woodhouse <dwmw@amazon.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
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* tag 'pull-nic-config-2-20240202' of git://git.infradead.org/users/dwmw2/qemu: (47 commits)
net: make nb_nics and nd_table[] static in net/net.c
net: remove qemu_show_nic_models(), qemu_find_nic_model()
hw/pci: remove pci_nic_init_nofail()
net: remove qemu_check_nic_model()
hw/xtensa/xtfpga: use qemu_create_nic_device()
hw/sparc/sun4m: use qemu_find_nic_info()
hw/s390x/s390-virtio-ccw: use qemu_create_nic_device()
hw/riscv: use qemu_configure_nic_device()
hw/openrisc/openrisc_sim: use qemu_create_nic_device()
hw/net/lasi_i82596: use qemu_create_nic_device()
hw/net/lasi_i82596: Re-enable build
hw/mips/jazz: use qemu_find_nic_info()
hw/mips/mipssim: use qemu_create_nic_device()
hw/microblaze: use qemu_configure_nic_device()
hw/m68k/q800: use qemu_find_nic_info()
hw/m68k/mcf5208: use qemu_create_nic_device()
hw/net/etraxfs-eth: use qemu_configure_nic_device()
hw/arm: use qemu_configure_nic_device()
hw/arm/stellaris: use qemu_find_nic_info()
hw/arm/npcm7xx: use qemu_configure_nic_device, allow emc0/emc1 as aliases
...

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

show more ...

hw/xen: use qemu_create_nic_bus_devices() to instantiate Xen NICs

When instantiating XenBus itself, for each NIC which is configured with
either the model unspecified, or set to to "xen" or "xen-net

hw/xen: use qemu_create_nic_bus_devices() to instantiate Xen NICs

When instantiating XenBus itself, for each NIC which is configured with
either the model unspecified, or set to to "xen" or "xen-net-device",
create a corresponding xen-net-device for it.

Now we can revert the previous more hackish version which relied on the
platform code explicitly registering the NICs on its own XenBus, having
returned the BusState* from xen_bus_init() itself.

This also fixes the setup for Xen PV guests, which was previously broken
in various ways and never actually managed to peer with the netdev.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>

show more ...

Merge tag 'pull-xenfv.for-upstream-20231107' of git://git.infradead.org/users/dwmw2/qemu into staging

Xen PV guest support for 8.2

Add Xen PV console and network support, the former of which enable

Merge tag 'pull-xenfv.for-upstream-20231107' of git://git.infradead.org/users/dwmw2/qemu into staging

Xen PV guest support for 8.2

Add Xen PV console and network support, the former of which enables the
Xen "PV shim" to be used to support PV guests.

Also clean up the block support and make it work when the user passes
just 'drive file=IMAGE,if=xen' on the command line.

Update the documentation to reflect all of these, taking the opportunity
to simplify what it says about q35 by making unplug work for AHCI.

Ignore the VCPU_SSHOTTMR_future timer flag, and advertise the 'fixed'
per-vCPU upcall vector support, as newer upstream Xen do.

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# ZhBdFs3OTlPnRoM=
# =Dg79
# -----END PGP SIGNATURE-----
# gpg: Signature made Tue 07 Nov 2023 17:13:21 HKT
# gpg: using RSA key BE07D9FD54809AB2C4B0FF5F63762CDA67E2F359
# gpg: issuer "dwmw2@infradead.org"
# gpg: Good signature from "David Woodhouse <dwmw2@infradead.org>" [unknown]
# gpg: aka "David Woodhouse <dwmw2@exim.org>" [unknown]
# gpg: aka "David Woodhouse <david@woodhou.se>" [unknown]
# gpg: aka "David Woodhouse <dwmw2@kernel.org>" [unknown]
# 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: BE07 D9FD 5480 9AB2 C4B0 FF5F 6376 2CDA 67E2 F359

* tag 'pull-xenfv.for-upstream-20231107' of git://git.infradead.org/users/dwmw2/qemu:
docs: update Xen-on-KVM documentation
xen-platform: unplug AHCI disks
hw/i386/pc: support '-nic' for xen-net-device
hw/xen: update Xen PV NIC to XenDevice model
hw/xen: only remove peers of PCI NICs on unplug
hw/xen: add support for Xen primary console in emulated mode
hw/xen: update Xen console to XenDevice model
hw/xen: do not repeatedly try to create a failing backend device
hw/xen: add get_frontend_path() method to XenDeviceClass
hw/xen: automatically assign device index to block devices
hw/xen: populate store frontend nodes with XenStore PFN/port
i386/xen: advertise XEN_HVM_CPUID_UPCALL_VECTOR in CPUID
include: update Xen public headers to Xen 4.17.2 release
hw/xen: Clean up event channel 'type_val' handling to use union
i386/xen: Ignore VCPU_SSHOTTMR_future flag in set_singleshot_timer()

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

show more ...

hw/xen: update Xen PV NIC to XenDevice model

This allows us to use Xen PV networking with emulated Xen guests, and to
add them on the command line or hotplug.

Signed-off-by: David Woodhouse <dwmw@a

hw/xen: update Xen PV NIC to XenDevice model

This allows us to use Xen PV networking with emulated Xen guests, and to
add them on the command line or hotplug.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>

show more ...

hw/xen: automatically assign device index to block devices

There's no need to force the user to assign a vdev. We can automatically
assign one, starting at xvda and searching until we find the first

hw/xen: automatically assign device index to block devices

There's no need to force the user to assign a vdev. We can automatically
assign one, starting at xvda and searching until we find the first disk
name that's unused.

This means we can now allow '-drive if=xen,file=xxx' to work without an
explicit separate -driver argument, just like if=virtio.

Rip out the legacy handling from the xenpv machine, which was scribbling
over any disks configured by the toolstack, and didn't work with anything
but raw images.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Acked-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Paul Durrant <paul@xen.org>

show more ...

Merge tag 'pull-xen-20230324' of https://xenbits.xen.org/git-http/people/aperard/qemu-dm into staging

Xen queue

- fix guest creation when -xen-domid-restrict is used.
- fix Xen PV guest creation.

Merge tag 'pull-xen-20230324' of https://xenbits.xen.org/git-http/people/aperard/qemu-dm into staging

Xen queue

- fix guest creation when -xen-domid-restrict is used.
- fix Xen PV guest creation.

# -----BEGIN PGP SIGNATURE-----
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# iQEzBAABCgAdFiEE+AwAYwjiLP2KkueYDPVXL9f7Va8FAmQdubMACgkQDPVXL9f7
# Va/bhQgA75nw4DB5LxIQLe+G/mLEvpf79Kg5lQNZ8gn84ms1zhGUWvS179xg/mT5
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# jBlyXbZCjNiFe8sLi077Cvb1fiCAiQ==
# =Pc9Y
# -----END PGP SIGNATURE-----
# gpg: Signature made Fri 24 Mar 2023 14:54:43 GMT
# gpg: using RSA key F80C006308E22CFD8A92E7980CF5572FD7FB55AF
# gpg: Good signature from "Anthony PERARD <anthony.perard@gmail.com>" [marginal]
# gpg: aka "Anthony PERARD <anthony.perard@citrix.com>" [marginal]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 5379 2F71 024C 600F 778A 7161 D8D5 7199 DF83 42C8
# Subkey fingerprint: F80C 0063 08E2 2CFD 8A92 E798 0CF5 572F D7FB 55AF

* tag 'pull-xen-20230324' of https://xenbits.xen.org/git-http/people/aperard/qemu-dm:
hw/xenpv: Initialize Xen backend operations
accel/xen: Fix DM state change notification in dm_restrict mode

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

show more ...

hw/xenpv: Initialize Xen backend operations

As the Xen backend operations were abstracted out into a function table to
allow for internally emulated Xen support, we missed the xen_init_pv()
code pat

hw/xenpv: Initialize Xen backend operations

As the Xen backend operations were abstracted out into a function table to
allow for internally emulated Xen support, we missed the xen_init_pv()
code path which also needs to install the operations for the true Xen
libraries. Add the missing call to setup_xen_backend_ops().

Fixes: b6cacfea0b38 ("hw/xen: Add evtchn operations to allow redirection to internal emulation")
Reported-by: Anthony PERARD <anthony.perard@citrix.com>
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
Tested-by: Anthony PERARD <anthony.perard@citrix.com>
Message-Id: <5dfb65342d4502c1ce2f890c97cff20bf25b3860.camel@infradead.org>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>

show more ...

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

* bugfixes
* show machine ACPI support in QAPI
* Core Xen emulation support for KVM/x86

# -----BEGIN PGP SIGNATURE-----
#
#

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

* bugfixes
* show machine ACPI support in QAPI
* Core Xen emulation support for KVM/x86

# -----BEGIN PGP SIGNATURE-----
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# =0jY8
# -----END PGP SIGNATURE-----
# gpg: Signature made Thu 02 Mar 2023 12:29:42 GMT
# 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

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (62 commits)
Makefile: qemu-bundle is a directory
qapi: Add 'acpi' field to 'query-machines' output
hw/xen: Subsume xen_be_register_common() into xen_be_init()
i386/xen: Document Xen HVM emulation
kvm/i386: Add xen-evtchn-max-pirq property
hw/xen: Support MSI mapping to PIRQ
hw/xen: Support GSI mapping to PIRQ
hw/xen: Implement emulated PIRQ hypercall support
i386/xen: Implement HYPERVISOR_physdev_op
hw/xen: Automatically add xen-platform PCI device for emulated Xen guests
hw/xen: Add basic ring handling to xenstore
hw/xen: Add xen_xenstore device for xenstore emulation
hw/xen: Add backend implementation of interdomain event channel support
i386/xen: handle HVMOP_get_param
i386/xen: Reserve Xen special pages for console, xenstore rings
i386/xen: handle PV timer hypercalls
hw/xen: Implement GNTTABOP_query_size
i386/xen: Implement HYPERVISOR_grant_table_op and GNTTABOP_[gs]et_verson
hw/xen: Support mapping grant frames
hw/xen: Add xen_gnttab device for grant table emulation
...

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

show more ...

Merge branch 'xenfv-kvm-15' of git://git.infradead.org/users/dwmw2/qemu into HEAD

This adds support for emulating Xen under Linux/KVM, based on kernel
patches which have been present since Linux v5.

Merge branch 'xenfv-kvm-15' of git://git.infradead.org/users/dwmw2/qemu into HEAD

This adds support for emulating Xen under Linux/KVM, based on kernel
patches which have been present since Linux v5.12. As with the kernel
support, it's derived from work started by João Martins of Oracle in
2018.

This series just adds the basic platform support — CPUID, hypercalls,
event channels, a stub of XenStore.

A full single-tenant internal implementation of XenStore, and patches
to make QEMU's Xen PV drivers work with this Xen emulation, are waiting
in the wings to be submitted in a follow-on patch series.

As noted in the documentation, it's enabled by setting the xen-version
property on the KVM accelerator, e.g.:

qemu-system-x86_64 -serial mon:stdio -M q35 -display none -m 1G -smp 2 \
-accel kvm,xen-version=0x4000e,kernel-irqchip=split \
-kernel vmlinuz-6.0.7-301.fc37.x86_64 \
-append "console=ttyS0 root=/dev/sda1" \
-drive file=/var/lib/libvirt/images/fedora28.qcow2,if=none,id=disk \
-device ahci,id=ahci -device ide-hd,drive=disk,bus=ahci.0

Even before this was merged, we've already been using it to find and fix
bugs in the Linux kernel Xen guest support:

https://lore.kernel.org/all/4bffa69a949bfdc92c4a18e5a1c3cbb3b94a0d32.camel@infradead.org/
https://lore.kernel.org/all/871qnunycr.ffs@tglx/

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

show more ...

hw/xen: Subsume xen_be_register_common() into xen_be_init()

Every caller of xen_be_init() checks and exits on error, then calls
xen_be_register_common(). Just make xen_be_init() abort for itself and

hw/xen: Subsume xen_be_register_common() into xen_be_init()

Every caller of xen_be_init() checks and exits on error, then calls
xen_be_register_common(). Just make xen_be_init() abort for itself and
return void, and register the common devices too.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>

show more ...

Merge tag 'pull-request-2022-05-09' of https://gitlab.com/thuth/qemu into staging

* Remove redundant/obsolete x86, arm and ppc disassemblers (Capstone is better)
* Limit some Xen-related code to bui

Merge tag 'pull-request-2022-05-09' of https://gitlab.com/thuth/qemu into staging

* Remove redundant/obsolete x86, arm and ppc disassemblers (Capstone is better)
* Limit some Xen-related code to builds where Xen is really available
* Remove hxtool-conv.pl and remove STEXI/ETEXI references from the docs
* Update MinGW and OpenBSD to a more recent version in the CI
* Warn user if the -vga flag is passed but no vga device is created

# -----BEGIN PGP SIGNATURE-----
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# oBTFbIa7+mydgmfMZ1uZGSpUI55OOb0VE/N974MJOgXCjlFGLn0YaZezBErViBLd
# ugILNle3IbZWDOwQv4n1fT3VB+2s+I1E3/qPzeDSbGAIkWm41g/4MHpkc5JGMb0j
# dquDo98YdEW/gpFUSFk2u859MA/jMlla77KsOcHpBhKOvLnQtxse+Bi5If4NiR+K
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# tFBkhBJ0F+U=
# =8A+p
# -----END PGP SIGNATURE-----
# gpg: Signature made Sun 08 May 2022 11:25:16 PM PDT
# gpg: using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg: issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [undefined]
# gpg: aka "Thomas Huth <thuth@redhat.com>" [undefined]
# gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# gpg: aka "Thomas Huth <huth@tuxfamily.org>" [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: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5

* tag 'pull-request-2022-05-09' of https://gitlab.com/thuth/qemu:
docs/devel/writing-monitor-commands: Replace obsolete STEXI/ETEXI tags
Warn user if the vga flag is passed but no vga device is created
tests/vm: update openbsd to release 7.1
gitlab-ci: Upgrade mingw base package.
cirrus/win32: upgrade mingw base packages
doc: remove hxtool-conv.pl
qemu-options: Limit the -xen options to x86 and arm
softmmu/vl: Fence 'xenfb' if Xen support is not compiled in
disas: Remove old libopcode ppc disassembler
disas: Remove old libopcode i386 disassembler
disas: Remove old libopcode arm disassembler

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

show more ...

Warn user if the vga flag is passed but no vga device is created

A global boolean variable "vga_interface_created"(declared in softmmu/globals.c)
has been used to track the creation of vga interface

Warn user if the vga flag is passed but no vga device is created

A global boolean variable "vga_interface_created"(declared in softmmu/globals.c)
has been used to track the creation of vga interface. If the vga flag is passed
in the command line "default_vga"(declared in softmmu/vl.c) variable is set to 0.
To warn user, the condition checks if vga_interface_created is false
and default_vga is equal to 0. If "-vga none" is passed, this patch will not warn the
user regarding the creation of VGA device.

The warning "A -vga option was passed but this
machine type does not use that option; no VGA device has been created"
is logged if vga flag is passed but no vga device is created.

This patch has been tested for x86_64, i386, sparc, sparc64 and arm boards.

Signed-off-by: Gautam Agrawal <gautamnagrawal@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/581
Message-Id: <20220501122505.29202-1-gautamnagrawal@gmail.com>
[thuth: Fix wrong warning with "-device" in some cases as reported by Paolo]
Signed-off-by: Thomas Huth <thuth@redhat.com>

show more ...

Merge remote-tracking branch 'remotes/huth-gitlab/tags/pull-request-2020-02-04' into staging

* Current qtests queue
* Some Kconfig updates
* Some trivial clean-ups here and there

# gpg: Signature m

Merge remote-tracking branch 'remotes/huth-gitlab/tags/pull-request-2020-02-04' into staging

* Current qtests queue
* Some Kconfig updates
* Some trivial clean-ups here and there

# gpg: Signature made Tue 04 Feb 2020 08:43:28 GMT
# gpg: using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg: issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg: aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg: aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5

* remotes/huth-gitlab/tags/pull-request-2020-02-04:
configure: Fix typo of the have_afalg variable
hw/hppa/Kconfig: LASI chipset requires PARALLEL port
hw/input: Do not enable CONFIG_PCKBD by default
Makefile: Do not use wildcard hw/*/Kconfig as input for minikconf
hw/*/Makefile.objs: Move many .o files to common-objs
trivial: Remove xenfb_enabled from sysemu.h
include/sysemu/sysemu.h: Remove usused variable no_quit
gitlab-ci: Refresh the list of iotests
tests/qtest: update comments about bios-tables-test-allowed-diff.h
boot-order-test: fix memleaks in boot-order-test
tests/Makefile: Fix inclusion of the qos dependency files
docs/devel: Fix qtest paths and info about check-block in testing.rst
tests/vhost-user-bridge: Fix build
test-logging: Fix -Werror=maybe-uninitialized warning

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

show more ...

trivial: Remove xenfb_enabled from sysemu.h

The define is only used in one other place. Move the code there
instead of keeping this xen-specific define in sysemu.h.

Message-Id: <20200121161747.1056

trivial: Remove xenfb_enabled from sysemu.h

The define is only used in one other place. Move the code there
instead of keeping this xen-specific define in sysemu.h.

Message-Id: <20200121161747.10569-1-thuth@redhat.com>
Acked-by: Paul Durrant <paul@xen.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

show more ...

Merge remote-tracking branch 'remotes/armbru/tags/pull-include-2019-08-13-v2' into staging

Header cleanup patches for 2019-08-13

# gpg: Signature made Fri 16 Aug 2019 12:39:12 BST
# gpg:

Merge remote-tracking branch 'remotes/armbru/tags/pull-include-2019-08-13-v2' into staging

Header cleanup patches for 2019-08-13

# gpg: Signature made Fri 16 Aug 2019 12:39:12 BST
# gpg: using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg: issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-include-2019-08-13-v2: (29 commits)
sysemu: Split sysemu/runstate.h off sysemu/sysemu.h
sysemu: Move the VMChangeStateEntry typedef to qemu/typedefs.h
Include sysemu/sysemu.h a lot less
Clean up inclusion of sysemu/sysemu.h
numa: Move remaining NUMA declarations from sysemu.h to numa.h
Include sysemu/hostmem.h less
numa: Don't include hw/boards.h into sysemu/numa.h
Include hw/boards.h a bit less
Include hw/qdev-properties.h less
Include qemu/main-loop.h less
Include qemu/queue.h slightly less
Include hw/hw.h exactly where needed
Include qom/object.h slightly less
Include exec/memory.h slightly less
Include migration/vmstate.h less
migration: Move the VMStateDescription typedef to typedefs.h
Clean up inclusion of exec/cpu-common.h
Include hw/irq.h a lot less
typedefs: Separate incomplete types and function types
ide: Include hw/ide/internal a bit less outside hw/ide/
...

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

show more ...

Include sysemu/sysemu.h a lot less

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

Include sysemu/sysemu.h a lot less

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).

hw/qdev-core.h includes sysemu/sysemu.h since recent commit e965ffa70a
"qdev: add qdev_add_vm_change_state_handler()". This is a bad idea:
hw/qdev-core.h is widely included.

Move the declaration of qdev_add_vm_change_state_handler() to
sysemu/sysemu.h, and drop the problematic include from hw/qdev-core.h.

Touching sysemu/sysemu.h now recompiles some 1800 objects.
qemu/uuid.h also drops from 5400 to 1800. A few more headers show
smaller improvement: qemu/notify.h drops from 5600 to 5200,
qemu/timer.h from 5600 to 4500, and qapi/qapi-types-run-state.h from
5500 to 5000.

Cc: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20190812052359.30071-28-armbru@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>

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