sysemu/kvm: Restrict kvm_arch_get_supported_cpuid/msr() to x86 targets

kvm_arch_get_supported_cpuid() / kvm_arch_get_supported_msr_feature()
are only defined for x86 targets (in target/i386/kvm/kvm.

sysemu/kvm: Restrict kvm_arch_get_supported_cpuid/msr() to x86 targets

kvm_arch_get_supported_cpuid() / kvm_arch_get_supported_msr_feature()
are only defined for x86 targets (in target/i386/kvm/kvm.c). Their
declarations are pointless on other targets.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20230904124325.79040-11-philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

show more ...

sysemu/kvm: Use vaddr for kvm_arch_[insert|remove]_hw_breakpoint

Changes the signature of the target-defined functions for
inserting/removing kvm hw breakpoints. The address and length arguments
are

sysemu/kvm: Use vaddr for kvm_arch_[insert|remove]_hw_breakpoint

Changes the signature of the target-defined functions for
inserting/removing kvm hw breakpoints. The address and length arguments
are now of vaddr type, which both matches the type used internally in
accel/kvm/kvm-all.c and makes the api target-agnostic.

Signed-off-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230807155706.9580-4-anjo@rev.ng>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

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accel/kvm: Widen pc/saved_insn for kvm_sw_breakpoint

Widens the pc and saved_insn fields of kvm_sw_breakpoint from
target_ulong to vaddr. The pc argument of kvm_find_sw_breakpoint is also
widened to

accel/kvm: Widen pc/saved_insn for kvm_sw_breakpoint

Widens the pc and saved_insn fields of kvm_sw_breakpoint from
target_ulong to vaddr. The pc argument of kvm_find_sw_breakpoint is also
widened to match.

Signed-off-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230807155706.9580-2-anjo@rev.ng>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

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kvm: Introduce kvm_arch_get_default_type hook

kvm_arch_get_default_type() returns the default KVM type. This hook is
particularly useful to derive a KVM type that is valid for "none"
machine model,

kvm: Introduce kvm_arch_get_default_type hook

kvm_arch_get_default_type() returns the default KVM type. This hook is
particularly useful to derive a KVM type that is valid for "none"
machine model, which is used by libvirt to probe the availability of
KVM.

For MIPS, the existing mips_kvm_type() is reused. This function ensures
the availability of VZ which is mandatory to use KVM on the current
QEMU.

Cc: qemu-stable@nongnu.org
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-id: 20230727073134.134102-2-akihiko.odaki@daynix.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: added doc comment for new function]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>

show more ...

kvm: Introduce kvm_arch_get_default_type hook

kvm_arch_get_default_type() returns the default KVM type. This hook is
particularly useful to derive a KVM type that is valid for "none"
machine model,

kvm: Introduce kvm_arch_get_default_type hook

kvm_arch_get_default_type() returns the default KVM type. This hook is
particularly useful to derive a KVM type that is valid for "none"
machine model, which is used by libvirt to probe the availability of
KVM.

For MIPS, the existing mips_kvm_type() is reused. This function ensures
the availability of VZ which is mandatory to use KVM on the current
QEMU.

Cc: qemu-stable@nongnu.org
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-id: 20230727073134.134102-2-akihiko.odaki@daynix.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: added doc comment for new function]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
(cherry picked from commit 5e0d65909c6f335d578b90491e165440c99adf81)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

show more ...

accel/kvm: Re-include "exec/memattrs.h" header

Commit 1e05888ab5 ("sysemu/kvm: Remove unused headers") was
a bit overzealous while cleaning "sysemu/kvm.h" headers:
kvm_arch_post_run() returns a MemT

accel/kvm: Re-include "exec/memattrs.h" header

Commit 1e05888ab5 ("sysemu/kvm: Remove unused headers") was
a bit overzealous while cleaning "sysemu/kvm.h" headers:
kvm_arch_post_run() returns a MemTxAttrs type, so depends on
"exec/memattrs.h" for its definition.

Fixes: 1e05888ab5 ("sysemu/kvm: Remove unused headers")
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230619074153.44268-5-philmd@linaro.org>

show more ...

accel: Document generic accelerator headers

These headers are meant to be include by any file to check
the availability of accelerators, thus are not accelerator
specific.

Signed-off-by: Philippe M

accel: Document generic accelerator headers

These headers are meant to be include by any file to check
the availability of accelerators, thus are not accelerator
specific.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230624174121.11508-3-philmd@linaro.org>

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sysemu/kvm: Remove unused headers

All types used are forward-declared in "qemu/typedefs.h".

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230405160454.97436-2-philmd@lina

sysemu/kvm: Remove unused headers

All types used are forward-declared in "qemu/typedefs.h".

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230405160454.97436-2-philmd@linaro.org>
[thuth: Add hw/core/cpu.h to migration/dirtyrate.c to fix compile failure]
Signed-off-by: Thomas Huth <thuth@redhat.com>

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sysemu/kvm: Remove CONFIG_USER_ONLY guard

User emulation shouldn't really include this header; if included
these declarations are guarded by CONFIG_KVM_IS_POSSIBLE.

Signed-off-by: Philippe Mathieu-

sysemu/kvm: Remove CONFIG_USER_ONLY guard

User emulation shouldn't really include this header; if included
these declarations are guarded by CONFIG_KVM_IS_POSSIBLE.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20221216220738.7355-2-philmd@linaro.org>

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kvm: allow target-specific accelerator properties

Several hypervisor capabilities in KVM are target-specific. When exposed
to QEMU users as accelerator properties (i.e. -accel kvm,prop=value), they

kvm: allow target-specific accelerator properties

Several hypervisor capabilities in KVM are target-specific. When exposed
to QEMU users as accelerator properties (i.e. -accel kvm,prop=value), they
should not be available for all targets.

Add a hook for targets to add their own properties to -accel kvm, for
now no such property is defined.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20220929072014.20705-3-chenyi.qiang@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

show more ...

accel/kvm: move kvm_update_guest_debug to inline stub

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220929114231.583801-47-alex.bennee@linaro.org>

gdbstub: move guest debug support check to ops

This removes the final hard coding of kvm_enabled() in gdbstub and
moves the check to an AccelOps.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.or

gdbstub: move guest debug support check to ops

This removes the final hard coding of kvm_enabled() in gdbstub and
moves the check to an AccelOps.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Mads Ynddal <mads@ynddal.dk>
Message-Id: <20220929114231.583801-46-alex.bennee@linaro.org>

show more ...

gdbstub: move breakpoint logic to accel ops

As HW virtualization requires specific support to handle breakpoints
lets push out special casing out of the core gdbstub code and into
AccelOpsClass. Thi

gdbstub: move breakpoint logic to accel ops

As HW virtualization requires specific support to handle breakpoints
lets push out special casing out of the core gdbstub code and into
AccelOpsClass. This will make it easier to add other accelerator
support and reduces some of the stub shenanigans.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Mads Ynddal <mads@ynddal.dk>
Message-Id: <20220929114231.583801-45-alex.bennee@linaro.org>

show more ...

gdbstub: move sstep flags probing into AccelClass

The support of single-stepping is very much dependent on support from
the accelerator we are using. To avoid special casing in gdbstub move
the prob

gdbstub: move sstep flags probing into AccelClass

The support of single-stepping is very much dependent on support from
the accelerator we are using. To avoid special casing in gdbstub move
the probing out to an AccelClass function so future accelerators can
put their code there.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Mads Ynddal <mads@ynddal.dk>
Message-Id: <20220929114231.583801-44-alex.bennee@linaro.org>

show more ...

accel/kvm/kvm-all: Introduce kvm_dirty_ring_size function

Introduce kvm_dirty_ring_size util function to help calculate
dirty ring ful time.

Signed-off-by: Hyman Huang(黄勇) <huangy81@chinatelecom.cn

accel/kvm/kvm-all: Introduce kvm_dirty_ring_size function

Introduce kvm_dirty_ring_size util function to help calculate
dirty ring ful time.

Signed-off-by: Hyman Huang(黄勇) <huangy81@chinatelecom.cn>
Acked-by: Peter Xu <peterx@redhat.com>
Message-Id: <f9ce1f550bfc0e3a1f711e17b1dbc8f701700e56.1656177590.git.huangy81@chinatelecom.cn>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

show more ...

kvm/msi: do explicit commit when adding msi routes

We invoke the kvm_irqchip_commit_routes() for each addition to MSI route
table, which is not efficient if we are adding lots of routes in some case

kvm/msi: do explicit commit when adding msi routes

We invoke the kvm_irqchip_commit_routes() for each addition to MSI route
table, which is not efficient if we are adding lots of routes in some cases.

This patch lets callers invoke the kvm_irqchip_commit_routes(), so the
callers can decide how to optimize.

[1] https://lists.gnu.org/archive/html/qemu-devel/2021-11/msg00967.html

Signed-off-by: Longpeng <longpeng2@huawei.com>
Message-Id: <20220222141116.2091-3-longpeng2@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

show more ...

kvm-irqchip: introduce new API to support route change

Paolo suggested adding the new API to support route changes [1]. We should invoke
kvm_irqchip_begin_route_changes() before changing the routes,

kvm-irqchip: introduce new API to support route change

Paolo suggested adding the new API to support route changes [1]. We should invoke
kvm_irqchip_begin_route_changes() before changing the routes, increasing the
KVMRouteChange.changes if the routes are changed, and commit the changes at last.

[1] https://lists.gnu.org/archive/html/qemu-devel/2021-11/msg02898.html

Signed-off-by: Longpeng <longpeng2@huawei.com>
Message-Id: <20220222141116.2091-2-longpeng2@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

show more ...

sysemu/kvm: Make kvm_on_sigbus() / kvm_on_sigbus_vcpu() target agnostic

kvm_on_sigbus() and kvm_on_sigbus_vcpu() prototypes don't have
to be target specific. Remove this limitation to be able to bui

sysemu/kvm: Make kvm_on_sigbus() / kvm_on_sigbus_vcpu() target agnostic

kvm_on_sigbus() and kvm_on_sigbus_vcpu() prototypes don't have
to be target specific. Remove this limitation to be able to build
softmmu/cpus.c once for all targets.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220207075426.81934-7-f4bug@amsat.org>

show more ...

gdbstub, kvm: let KVM report supported singlestep flags

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
[Extracted from Maxim's patch into a separate commit. - Paolo]
Signed-off-by: Paolo Bonzin

gdbstub, kvm: let KVM report supported singlestep flags

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
[Extracted from Maxim's patch into a separate commit. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20211111110604.207376-5-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

show more ...

KVM: introduce dirty_pages and kvm_dirty_ring_enabled

dirty_pages is used to calculate dirtyrate via dirty ring, when
enabled, kvm-reaper will increase the dirty pages after gfns
being dirtied.

kvm

KVM: introduce dirty_pages and kvm_dirty_ring_enabled

dirty_pages is used to calculate dirtyrate via dirty ring, when
enabled, kvm-reaper will increase the dirty pages after gfns
being dirtied.

kvm_dirty_ring_enabled shows if kvm-reaper is working. dirtyrate
thread could use it to check if measurement can base on dirty
ring feature.

Signed-off-by: Hyman Huang(黄勇) <huangy81@chinatelecom.cn>
Message-Id: <fee5fb2ab17ec2159405fc54a3cff8e02322f816.1624040308.git.huangy81@chinatelecom.cn>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>

show more ...

Merge remote-tracking branch 'remotes/rth-gitlab/tags/pull-tcg-20210317' into staging

TCI argument extraction helpers and disassembler
TCG build fix for gcc 11

# gpg: Signature

Merge remote-tracking branch 'remotes/rth-gitlab/tags/pull-tcg-20210317' into staging

TCI argument extraction helpers and disassembler
TCG build fix for gcc 11

# gpg: Signature made Wed 17 Mar 2021 15:29:47 GMT
# gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg: issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F

* remotes/rth-gitlab/tags/pull-tcg-20210317: (38 commits)
tcg: Fix prototypes for tcg_out_vec_op and tcg_out_op
tcg/tci: Split out tcg_out_op_r[iI]
tcg/tci: Split out tcg_out_op_v
tcg/tci: Split out tcg_out_op_{rrm,rrrm,rrrrm}
tcg/tci: Split out tcg_out_op_rrrrcl
tcg/tci: Split out tcg_out_op_rrrr
tcg/tci: Split out tcg_out_op_rrrrrr
tcg/tci: Split out tcg_out_op_rrcl
tcg/tci: Split out tcg_out_op_rrrbb
tcg/tci: Split out tcg_out_op_rrrrrc
tcg/tci: Split out tcg_out_op_rrrc
tcg/tci: Split out tcg_out_op_rrr
tcg/tci: Split out tcg_out_op_rr
tcg/tci: Split out tcg_out_op_p
tcg/tci: Split out tcg_out_op_l
tcg/tci: Split out tcg_out_op_rrs
tcg/tci: Push opcode emit into each case
tcg/tci: Implement the disassembler properly
tcg/tci: Remove tci_disas
tcg/tci: Hoist op_size checking into tci_args_*
...

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

show more ...

Merge remote-tracking branch 'remotes/stsquad/tags/pull-misc-6.0-updates-170321-2' into staging

Final fixes for 6.0

- plugins physical address changes
- syscall tracking plu

Merge remote-tracking branch 'remotes/stsquad/tags/pull-misc-6.0-updates-170321-2' into staging

Final fixes for 6.0

- plugins physical address changes
- syscall tracking plugin
- plugin kernel-doc comments (without integration)
- libfdt build fix for guest-loader

# gpg: Signature made Wed 17 Mar 2021 07:19:23 GMT
# gpg: using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8 DF35 FBD0 DB09 5A9E 2A44

* remotes/stsquad/tags/pull-misc-6.0-updates-170321-2:
hw/core: Only build guest-loader if libfdt is available
plugins: Fixes typo in qemu-plugin.h
plugins: getting qemu_plugin_get_hwaddr only expose one function prototype
plugins: expand kernel-doc for memory query and instrumentation
plugins: expand kernel-doc for instruction query and instrumentation
plugins: expand inline exec kernel-doc documentation.
plugins: add qemu_plugin_id_t to kernel-doc
plugins: add qemu_plugin_cb_flags to kernel-doc
plugins: expand the typedef kernel-docs for translation
plugins: expand the callback typedef kernel-docs
plugins: cleanup kernel-doc for qemu_plugin_install
plugins: expand kernel-doc for qemu_info_t
plugins: Expose physical addresses instead of device offsets
plugins: new syscalls plugin
utils: Use fixed-point arithmetic in qemu_strtosz

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

show more ...

Merge remote-tracking branch 'remotes/cleber-gitlab/tags/python-next-pull-request' into staging

Acceptance and Python Test Improvements

Small collection of Acceptance and Python tes

Merge remote-tracking branch 'remotes/cleber-gitlab/tags/python-next-pull-request' into staging

Acceptance and Python Test Improvements

Small collection of Acceptance and Python tests/improvements.

# gpg: Signature made Wed 17 Mar 2021 03:22:47 GMT
# gpg: using RSA key 7ABB96EB8B46B94D5E0FE9BB657E8D33A5F209F3
# gpg: Good signature from "Cleber Rosa <crosa@redhat.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: 7ABB 96EB 8B46 B94D 5E0F E9BB 657E 8D33 A5F2 09F3

* remotes/cleber-gitlab/tags/python-next-pull-request:
tests/acceptance: linux-related tests fix
tests: Add functional test for out-of-process device emulation
avocado_qemu: add exec_command function
tests/migration: fix unix socket batch migration
tests/acceptance: Print expected message on wait_for_console_pattern

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

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Merge remote-tracking branch 'remotes/mdroth/tags/qga-pull-2021-03-16-tag' into staging

qemu-ga patch queue for soft-freeze

* fix guest-get-vcpus reporting after vcpu unplug
* c

Merge remote-tracking branch 'remotes/mdroth/tags/qga-pull-2021-03-16-tag' into staging

qemu-ga patch queue for soft-freeze

* fix guest-get-vcpus reporting after vcpu unplug
* coding style fix-ups
* report a reason for disabled commands

# gpg: Signature made Wed 17 Mar 2021 03:12:41 GMT
# gpg: using RSA key CEACC9E15534EBABB82D3FA03353C9CEF108B584
# gpg: Good signature from "Michael Roth <flukshun@gmail.com>" [full]
# gpg: aka "Michael Roth <mdroth@utexas.edu>" [full]
# gpg: aka "Michael Roth <mdroth@linux.vnet.ibm.com>" [full]
# Primary key fingerprint: CEAC C9E1 5534 EBAB B82D 3FA0 3353 C9CE F108 B584

* remotes/mdroth/tags/qga-pull-2021-03-16-tag:
qga: return a more explicit error on why a command is disabled
qga: Switch and case should be at the same indent
qga: Open brace '{' following struct go on the same
qga: Delete redundant spaces
qga: Add spaces around operator
qga: Correct loop count in qmp_guest_get_vcpus()

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

show more ...

Merge remote-tracking branch 'remotes/vivier/tags/q800-for-6.0-pull-request' into staging

q800 pull request 20210316

Several fixes for mac_via needed for future support of MacOS ROM

Merge remote-tracking branch 'remotes/vivier/tags/q800-for-6.0-pull-request' into staging

q800 pull request 20210316

Several fixes for mac_via needed for future support of MacOS ROM

# gpg: Signature made Tue 16 Mar 2021 21:14:42 GMT
# gpg: using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg: issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg: aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F 5173 F30C 38BD 3F2F BE3C

* remotes/vivier/tags/q800-for-6.0-pull-request:
mac_via: remove VIA1 timer optimisations
mac_via: fix 60Hz VIA1 timer interval
mac_via: rename VBL timer to 60Hz timer
mac_via: don't re-inject ADB response when switching to IDLE state
mac_via: allow long accesses to VIA registers
mac_via: fix up adb_via_receive() trace events
mac_via: switch rtc pram trace-events to use hex rather than decimal for addresses

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

show more ...