* Add support for the max CPU
* Detect user choice in TCG
* Clear CSR values at reset and sync MPSTATE with host
* Fix the typo of inverted order of pmpaddr13 and pmpaddr14
* Split TCG/KVM accelerators from cpu.c
* Add extension properties for all cpus
* Replace GDB exit calls with proper shutdown
* Support KVM_GET_REG_LIST
* Remove RVG warning
* Use env_archcpu for better performance
* Deprecate capital 'Z' CPU properties
* Fix vfwmaccbf16.vf
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Merge tag 'pull-riscv-to-apply-20231012-1' of https://github.com/alistair23/qemu into staging
Second RISC-V PR for 8.2
* Add support for the max CPU
* Detect user choice in TCG
* Clear CSR values at reset and sync MPSTATE with host
* Fix the typo of inverted order of pmpaddr13 and pmpaddr14
* Split TCG/KVM accelerators from cpu.c
* Add extension properties for all cpus
* Replace GDB exit calls with proper shutdown
* Support KVM_GET_REG_LIST
* Remove RVG warning
* Use env_archcpu for better performance
* Deprecate capital 'Z' CPU properties
* Fix vfwmaccbf16.vf
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# gpg: Signature made Thu 12 Oct 2023 00:09:36 EDT
# gpg: using RSA key 6AE902B6A7CA877D6D659296AF7C95130C538013
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [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: 6AE9 02B6 A7CA 877D 6D65 9296 AF7C 9513 0C53 8013
* tag 'pull-riscv-to-apply-20231012-1' of https://github.com/alistair23/qemu: (54 commits)
target/riscv: Fix vfwmaccbf16.vf
target/riscv: deprecate capital 'Z' CPU properties
target/riscv: Use env_archcpu for better performance
target/riscv/tcg: remove RVG warning
target/riscv/kvm: support KVM_GET_REG_LIST
target/riscv/kvm: improve 'init_multiext_cfg' error msg
gdbstub: replace exit calls with proper shutdown for softmmu
hw/char: riscv_htif: replace exit calls with proper shutdown
hw/misc/sifive_test.c: replace exit calls with proper shutdown
softmmu: pass the main loop status to gdb "Wxx" packet
softmmu: add means to pass an exit code when requesting a shutdown
target/riscv/tcg-cpu.c: add extension properties for all cpus
target/riscv: add riscv_cpu_get_name()
target/riscv/cpu: move priv spec functions to tcg-cpu.c
target/riscv/cpu.c: export isa_edata_arr[]
target/riscv/tcg: move riscv_cpu_add_misa_properties() to tcg-cpu.c
target/riscv/cpu.c: make misa_ext_cfgs[] 'const'
target/riscv/tcg: introduce tcg_cpu_instance_init()
target/riscv/cpu.c: export set_misa()
target/riscv/kvm: do not use riscv_cpu_add_misa_properties()
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
gdb_exit function aims to close gdb sessions and sends the exit code of
the current execution. It's being called by qemu_cleanup once the main
loop is over.
Until now, the exit code sent was always 0. Now that hardware can
shutdown this main loop with custom exit codes, these codes must be
transfered to gdb as well.
Signed-off-by: Clément Chigot <chigot@adacore.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20231003071427.188697-3-chigot@adacore.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
As of now, the exit code was either EXIT_FAILURE when a panic shutdown
was requested or EXIT_SUCCESS otherwise.
However, some hardware could want to pass more complex exit codes. Thus,
introduce a new shutdown request function allowing that.
Signed-off-by: Clément Chigot <chigot@adacore.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20231003071427.188697-2-chigot@adacore.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Commit a5e0b33119 ("vl.c: Replace smp global variables
with smp machine properties") removed the last uses of
the smp_cores / smp_threads variables but forgot to
remove their declarations. Do it now.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
The softmmu/ directory contains files specific to system
emulation. Rename it as system/. Update meson rules, the
MAINTAINERS file and all the documentation and comments.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20231004090629.37473-14-philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
hvf_get_supported_cpuid() is only defined for x86 targets
(in target/i386/hvf/x86_cpuid.c).
Its declaration is pointless on all other targets.
All the calls to it in target/i386/cpu.c are guarded by
a call on hvf_enabled(), so are elided when HVF is not
built in. Therefore we can remove the unnecessary function
stub.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20231004092510.39498-3-philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Fix:
softmmu/tpm.c:178:59: error: declaration shadows a variable in the global scope [-Werror,-Wshadow]
int tpm_config_parse(QemuOptsList *opts_list, const char *optarg)
^
/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/getopt.h:77:14: note: previous declaration is here
extern char *optarg; /* getopt(3) external variables */
^
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20231004120019.93101-16-philmd@linaro.org>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Fix:
os-posix.c:103:31: error: declaration shadows a variable in the global scope [-Werror,-Wshadow]
bool os_set_runas(const char *optarg)
^
os-posix.c:176:32: error: declaration shadows a variable in the global scope [-Werror,-Wshadow]
void os_set_chroot(const char *optarg)
^
/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/getopt.h:77:14: note: previous declaration is here
extern char *optarg; /* getopt(3) external variables */
^
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20231004120019.93101-5-philmd@linaro.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Fix:
hw/mips/boston.c:472:5: error: declaration shadows a local variable [-Werror,-Wshadow]
qemu_fdt_setprop_cells(fdt, name, "reg", reg_base, reg_size);
^
include/sysemu/device_tree.h:129:13: note: expanded from macro 'qemu_fdt_setprop_cells'
int i;
^
hw/mips/boston.c:461:9: note: previous declaration is here
int i;
^
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20230904161235.84651-21-philmd@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
The function reads the parents list, so it needs to hold the graph lock.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-ID: <20230911094620.45040-14-kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* Small downtime optimisation for VFIO migration
* P2P support for VFIO migration
* Introduction of a save_prepare() handler to fail VFIO migration
* Fix on DMA logging ranges calculation for OVMF enabling dynamic window
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Merge tag 'pull-vfio-20230911' of https://github.com/legoater/qemu into staging
vfio queue:
* Small downtime optimisation for VFIO migration
* P2P support for VFIO migration
* Introduction of a save_prepare() handler to fail VFIO migration
* Fix on DMA logging ranges calculation for OVMF enabling dynamic window
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# gpg: Signature made Mon 11 Sep 2023 02:54:12 EDT
# gpg: using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@redhat.com>" [unknown]
# 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-20230911' of https://github.com/legoater/qemu:
vfio/common: Separate vfio-pci ranges
vfio/migration: Block VFIO migration with background snapshot
vfio/migration: Block VFIO migration with postcopy migration
migration: Add .save_prepare() handler to struct SaveVMHandlers
migration: Move more initializations to migrate_init()
vfio/migration: Fail adding device with enable-migration=on and existing blocker
migration: Add migration prefix to functions in target.c
vfio/migration: Allow migration of multiple P2P supporting devices
vfio/migration: Add P2P support for VFIO migration
vfio/migration: Refactor PRE_COPY and RUNNING state checks
qdev: Add qdev_add_vm_change_state_handler_full()
sysemu: Add prepare callback to struct VMChangeStateEntry
vfio/migration: Move from STOP_COPY to STOP in vfio_save_cleanup()
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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>
Add prepare callback to struct VMChangeStateEntry.
The prepare callback is optional and can be set by the new function
qemu_add_vm_change_state_handler_prio_full() that allows setting this
callback in addition to the main callback.
The prepare callbacks and main callbacks are called in two separate
phases: First all prepare callbacks are called and only then all main
callbacks are called.
The purpose of the new prepare callback is to allow all devices to run a
preliminary task before calling the devices' main callbacks.
This will facilitate adding P2P support for VFIO migration where all
VFIO devices need to be put in an intermediate P2P quiescent state
before being stopped or started by the main callback.
Signed-off-by: Avihai Horon <avihaih@nvidia.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>
Now that we have Eager Page Split support added for ARM in the kernel,
enable it in Qemu. This adds,
-eager-split-size to -accel sub-options to set the eager page split chunk size.
-enable KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE.
The chunk size specifies how many pages to break at a time, using a
single allocation. Bigger the chunk size, more pages need to be
allocated ahead of time.
Reviewed-by: Gavin Shan <gshan@redhat.com>
Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Message-id: 20230905091246.1931-1-shameerali.kolothum.thodi@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
* target/i386: fix BQL handling of the legacy FERR interrupts
* target/i386: fix memory operand size for CVTPS2PD
* target/i386: Add support for AMX-COMPLEX in CPUID enumeration
* compile plugins on Darwin
* configure and meson cleanups
* drop mkvenv support for Python 3.7 and Debian10
* add wrap file for libblkio
* tweak KVM stubs
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging
* only build util/async-teardown.c when system build is requested
* target/i386: fix BQL handling of the legacy FERR interrupts
* target/i386: fix memory operand size for CVTPS2PD
* target/i386: Add support for AMX-COMPLEX in CPUID enumeration
* compile plugins on Darwin
* configure and meson cleanups
* drop mkvenv support for Python 3.7 and Debian10
* add wrap file for libblkio
* tweak KVM stubs
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# gpg: Signature made Thu 07 Sep 2023 07:44:37 EDT
# 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: (51 commits)
docs/system/replay: do not show removed command line option
subprojects: add wrap file for libblkio
sysemu/kvm: Restrict kvm_pc_setup_irq_routing() to x86 targets
sysemu/kvm: Restrict kvm_has_pit_state2() to x86 targets
sysemu/kvm: Restrict kvm_get_apic_state() to x86 targets
sysemu/kvm: Restrict kvm_arch_get_supported_cpuid/msr() to x86 targets
target/i386: Restrict declarations specific to CONFIG_KVM
target/i386: Allow elision of kvm_hv_vpindex_settable()
target/i386: Allow elision of kvm_enable_x2apic()
target/i386: Remove unused KVM stubs
target/i386/cpu-sysemu: Inline kvm_apic_in_kernel()
target/i386/helper: Restrict KVM declarations to system emulation
hw/i386/fw_cfg: Include missing 'cpu.h' header
hw/i386/pc: Include missing 'cpu.h' header
hw/i386/pc: Include missing 'sysemu/tcg.h' header
Revert "mkvenv: work around broken pip installations on Debian 10"
mkvenv: assume presence of importlib.metadata
Python: Drop support for Python 3.7
configure: remove dead code
meson: list leftover CONFIG_* symbols
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
kvm_pc_setup_irq_routing() is only defined for x86 targets (in
hw/i386/kvm/apic.c). Its declaration is pointless on all
other targets.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20230904124325.79040-14-philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
kvm_has_pit_state2() is only defined for x86 targets (in
target/i386/kvm/kvm.c). Its declaration is pointless on
all other targets. Have it return a boolean.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20230904124325.79040-13-philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
kvm_get_apic_state() is only defined for x86 targets (in
hw/i386/kvm/apic.c). Its declaration is pointless on all
other targets.
Since we include "linux-headers/asm-x86/kvm.h", no need
to forward-declare 'struct kvm_lapic_state'.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20230904124325.79040-12-philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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>
This will stop linking softmmu-specific os_parse_cmd_args() into every
qemu executable which happens to use other functions from os-posix.c,
such as os_set_line_buffering() or os_setup_signal_handling().
Also, since there's no win32-specific options, *all* option parsing is
now done in softmmu/vl.c:qemu_init(), which is easier to read without
extra indirection, - all options are in the single function now.
This effectively reverts commit 59a5264b99.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-ID: <20230901101302.3618955-5-mjt@tls.msk.ru>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-ID: <20230901101302.3618955-4-mjt@tls.msk.ru>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20230901101302.3618955-3-mjt@tls.msk.ru>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-ID: <20230901101302.3618955-2-mjt@tls.msk.ru>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
By default, C function prototypes declared in headers are visible,
so there is no need to declare them as 'extern' functions.
Remove this redundancy in a single bulk commit; do not modify:
- meson.build (used to check function availability at runtime)
- pc-bios/
- libdecnumber/
- tests/
- *.c
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20230605175647.88395-5-philmd@linaro.org>
HAX is deprecated since commits 73741fda6c ("MAINTAINERS: Abort
HAXM maintenance") and 90c167a1da ("docs/about/deprecated: Mark
HAXM in QEMU as deprecated"), released in v8.0.0.
Per the latest HAXM release (v7.8 [*]), the latest QEMU supported
is v7.2:
Note: Up to this release, HAXM supports QEMU from 2.9.0 to 7.2.0.
The next commit (https://github.com/intel/haxm/commit/da1b8ec072)
added:
HAXM v7.8.0 is our last release and we will not accept
pull requests or respond to issues after this.
It became very hard to build and test HAXM. Its previous
maintainers made it clear they won't help. It doesn't seem to be
a very good use of QEMU maintainers to spend their time in a dead
project. Save our time by removing this orphan zombie code.
[*] https://github.com/intel/haxm/releases/tag/v7.8.0
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230831082016.60885-1-philmd@linaro.org>
The functions qemu_get_timedate() and qemu_timedate_diff() take
and return a time offset as an integer. Coverity points out that
means that when an RTC device implementation holds an offset
as a time_t, as the m48t59 does, the time_t will get truncated.
(CID 1507157, 1517772).
The functions work with time_t internally, so make them use that type
in their APIs.
Note that this won't help any Y2038 issues where either the device
model itself is keeping the offset in a 32-bit integer, or where the
hardware under emulation has Y2038 or other rollover problems. If we
missed any cases of the former then hopefully Coverity will warn us
about them since after this patch we'd be truncating a time_t in
assignments from qemu_timedate_diff().)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Changes the signature of the target-defined functions for
inserting/removing hvf hw breakpoints. The address and length arguments
are now of vaddr type, which both matches the type used internally in
accel/hvf/hvf-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: <20230807155706.9580-5-anjo@rev.ng>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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>
Widens the pc and saved_insn fields of hvf_sw_breakpoint from
target_ulong to vaddr. Other hvf_* functions accessing hvf_sw_breakpoint
are also widened to match.
Signed-off-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230807155706.9580-3-anjo@rev.ng>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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>
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>
Extend query-migrate to provide throttle time and estimated
ring full time with dirty-limit capability enabled, through which
we can observe if dirty limit take effect during live migration.
Signed-off-by: Hyman Huang(黄勇) <yong.huang@smartx.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-ID: <168733225273.5845.15871826788879741674-8@git.sr.ht>
Signed-off-by: Juan Quintela <quintela@redhat.com>
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>
We want all accelerators to share the same opaque pointer in
CPUState.
Rename the 'hvf_vcpu_state' structure as 'AccelCPUState'.
Use the generic 'accel' field of CPUState instead of 'hvf'.
Replace g_malloc0() by g_new0() for readability.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20230624174121.11508-17-philmd@linaro.org>
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>
Introduce qemu_win32_map_alloc() and qemu_win32_map_free() to allocate
shared memory mapping. The handle can be used to share the mapping with
another process.
Teach qemu_create_displaysurface() to allocate shared memory. Following
patches will introduce other places for shared memory allocation.
Other patches for -display dbus will share the memory when possible with
the client, to avoid expensive memory copy between the processes.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20230606115658.677673-10-marcandre.lureau@redhat.com>
Guests can now be debugged through the gdbstub. Support is added for
single-stepping, software breakpoints, hardware breakpoints and
watchpoints. The code has been structured like the KVM counterpart.
While guest debugging is enabled, the guest can still read and write the
DBG*_EL1 registers but they don't have any effect.
Signed-off-by: Francesco Cagnin <fcagnin@quarkslab.com>
Message-id: 20230601153107.81955-5-fcagnin@quarkslab.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Required for guest debugging. The code has been structured like the KVM
counterpart.
Signed-off-by: Francesco Cagnin <fcagnin@quarkslab.com>
Message-id: 20230601153107.81955-4-fcagnin@quarkslab.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The function is unused since previous commit. Drop it.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20230517123752.21615-4-vsementsov@yandex-team.ru>
Signed-off-by: Juan Quintela <quintela@redhat.com>
It's necessary to restore the state after failed/cancelled migration in
further commit.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20230517123752.21615-2-vsementsov@yandex-team.ru>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Introduce a new API for thread-local blk_io_plug() that does not
traverse the block graph. The goal is to make blk_io_plug() multi-queue
friendly.
Instead of having block drivers track whether or not we're in a plugged
section, provide an API that allows them to defer a function call until
we're unplugged: blk_io_plug_call(fn, opaque). If blk_io_plug_call() is
called multiple times with the same fn/opaque pair, then fn() is only
called once at the end of the function - resulting in batching.
This patch introduces the API and changes blk_io_plug()/blk_io_unplug().
blk_io_plug()/blk_io_unplug() no longer require a BlockBackend argument
because the plug state is now thread-local.
Later patches convert block drivers to blk_io_plug_call() and then we
can finally remove .bdrv_co_io_plug() once all block drivers have been
converted.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Acked-by: Kevin Wolf <kwolf@redhat.com>
Message-id: 20230530180959.1108766-2-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
For simplicity, always run BlockDevOps .drained_begin/end/poll()
callbacks in the main loop thread. This makes it easier to implement the
callbacks and avoids extra locks.
Move the function pointer declarations from the I/O Code section to the
Global State section for BlockDevOps, BdrvChildClass, and BlockDriver.
Narrow IO_OR_GS_CODE() to GLOBAL_STATE_CODE() where appropriate.
The test-bdrv-drain test case calls bdrv_drain() from an IOThread. This
is now only allowed from coroutine context, so update the test case to
run in a coroutine.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20230516190238.8401-11-stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
The BlockBackend quiesce_counter is greater than zero during drained
sections. Add an API to check whether the BlockBackend is in a drained
section.
The next patch will use this API.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20230516190238.8401-10-stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Since commit abe34282 ("win32: avoid mixing SOCKET and file descriptor
space"), we set HANDLE_FLAG_PROTECT_FROM_CLOSE on the socket FD, to
prevent closing the HANDLE with CloseHandle. This raises an exception
which under gdb is fatal, and qemu exits.
Let's catch the expected error instead.
Note: this appears to work, but the mingw64 macro is not well documented
or tested, and it's not obvious how it is meant to be used.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20230515132440.1025315-1-marcandre.lureau@redhat.com>
In the last stage of live migration or memory slot removal, the
backup bitmap needs to be synchronized when it has been enabled.
Signed-off-by: Gavin Shan <gshan@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Tested-by: Zhenyu Zhang <zhenyzha@redhat.com>
Message-Id: <20230509022122.20888-3-gshan@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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>
A zone append command is a write operation that specifies the first
logical block of a zone as the write position. When writing to a zoned
block device using zone append, the byte offset of the call may point at
any position within the zone to which the data is being appended. Upon
completion the device will respond with the position where the data has
been written in the zone.
Signed-off-by: Sam Li <faithilikerun@gmail.com>
Reviewed-by: Dmitry Fomichev <dmitry.fomichev@wdc.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20230508051510.177850-3-faithilikerun@gmail.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
