Move CPU TLB related methods to "exec/cputlb.h".
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-ID: <20241114011310.3615-19-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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Merge tag 'pull-loongarch-20250305' of https://gitlab.com/bibo-mao/qemu into staging
loongarch queue
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# gpg: Signature made Wed 05 Mar 2025 10:12:54 HKT
# gpg: using EDDSA key 0D8642A3A2659F80B0B3D1A41F7B0C1251ACE7D1
# gpg: Good signature from "bibo mao <maobibo@loongson.cn>" [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: 7044 3A00 19C0 E97A 31C7 13C4 8E86 8FB7 A176 9D4C
# Subkey fingerprint: 0D86 42A3 A265 9F80 B0B3 D1A4 1F7B 0C12 51AC E7D1
* tag 'pull-loongarch-20250305' of https://gitlab.com/bibo-mao/qemu:
target/loongarch: Adjust the cpu reset action to a proper position
hw/loongarch/virt: Enable cpu hotplug feature on virt machine
hw/loongarch/virt: Update the ACPI table for hotplug cpu
hw/loongarch/virt: Implement cpu plug interface
hw/loongarch/virt: Implement cpu unplug interface
hw/loongarch/virt: Add basic cpu plug interface framework
hw/loongarch/virt: Add topo properties on CPU object
hw/loongarch/virt: Add CPU topology support
hw/intc/loongarch_extioi: Use cpu plug notification
hw/intc/loongarch_extioi: Implment cpu hotplug interface
hw/intc/loongarch_extioi: Add basic hotplug framework
hw/intc/loongarch_extioi: Move gpio irq initial to common code
hw/intc/loongarch_ipi: Notify ipi object when cpu is plugged
hw/intc/loongarch_ipi: Implment cpu hotplug interface
hw/intc/loongarch_ipi: Add basic hotplug framework
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* CSR coverity fixes
* Fix unexpected behavior of vector reduction instructions when vl is 0
* Fix incorrect vlen comparison in prop_vlen_set
* Throw debug exception before page fault
* Remove redundant "hart_idx" masking from APLIC
* Add support for Control Transfer Records Ext
* Remove redundant struct members from the IOMMU
* Remove duplicate definitions from the IOMMU
* Fix tick_offset migration for Goldfish RTC
* Add serial alias in virt machine DTB
* Remove Bin Meng from RISC-V maintainers
* Add support for Control Transfer Records Ext
* Log guest errors when reserved bits are set in PTEs
* Add missing Sdtrig disas CSRs
* Correct the hpmevent sscofpmf mask
* Mask upper sscofpmf bits during validation
* Remove warnings about Smdbltrp/Smrnmi being disabled
* Respect mseccfg.RLB bit for TOR mode PMP entry
* Update KVM support to Linux 6.14-rc3
* IOMMU HPM support
* Support Sscofpmf/Svade/Svadu/Smnpm/Ssnpm extensions in KVM
* Add --ignore-family option to binfmt
* Refinement for AIA with KVM acceleration
* Reset time changes for KVM
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Merge tag 'pull-riscv-to-apply-20250305-1' of https://github.com/alistair23/qemu into staging
Third RISC-V PR for 10.0
* CSR coverity fixes
* Fix unexpected behavior of vector reduction instructions when vl is 0
* Fix incorrect vlen comparison in prop_vlen_set
* Throw debug exception before page fault
* Remove redundant "hart_idx" masking from APLIC
* Add support for Control Transfer Records Ext
* Remove redundant struct members from the IOMMU
* Remove duplicate definitions from the IOMMU
* Fix tick_offset migration for Goldfish RTC
* Add serial alias in virt machine DTB
* Remove Bin Meng from RISC-V maintainers
* Add support for Control Transfer Records Ext
* Log guest errors when reserved bits are set in PTEs
* Add missing Sdtrig disas CSRs
* Correct the hpmevent sscofpmf mask
* Mask upper sscofpmf bits during validation
* Remove warnings about Smdbltrp/Smrnmi being disabled
* Respect mseccfg.RLB bit for TOR mode PMP entry
* Update KVM support to Linux 6.14-rc3
* IOMMU HPM support
* Support Sscofpmf/Svade/Svadu/Smnpm/Ssnpm extensions in KVM
* Add --ignore-family option to binfmt
* Refinement for AIA with KVM acceleration
* Reset time changes for KVM
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# gpg: Signature made Wed 05 Mar 2025 09:52:01 HKT
# 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-20250305-1' of https://github.com/alistair23/qemu: (59 commits)
target/riscv/kvm: add missing KVM CSRs
target/riscv/kvm: add kvm_riscv_reset_regs_csr()
target/riscv/cpu: remove unneeded !kvm_enabled() check
hw/intc/aplic: refine kvm_msicfgaddr
hw/intc/aplic: refine the APLIC realize
hw/intc/imsic: refine the IMSIC realize
binfmt: Add --ignore-family option
binfmt: Normalize host CPU architecture
binfmt: Shuffle things around
target/riscv/kvm: Add some exts support
docs/specs/riscv-iommu.rst: add HPM support info
hw/riscv: add IOMMU HPM trace events
hw/riscv/riscv-iommu.c: add RISCV_IOMMU_CAP_HPM cap
hw/riscv/riscv-iommu: add hpm events mmio write
hw/riscv/riscv-iommu: add IOHPMCYCLES mmio write
hw/riscv/riscv-iommu: add IOCOUNTINH mmio writes
hw/riscv/riscv-iommu: instantiate hpm_timer
hw/riscv/riscv-iommu: add riscv_iommu_hpm_incr_ctr()
hw/riscv/riscv-iommu: add riscv-iommu-hpm file
hw/riscv/riscv-iommu-bits.h: HPM bits
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
LoongArch extioi interrupt controller routes peripheral interrupt
to multiple CPUs, physical cpu id is used in interrupt routing table.
Here hotplug interface is added for extioi object, so that parent irq
line can be connected, and routing table can be added for new created
cpu.
Here only basic hotplug framework is added, it is stub function.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
When cpu is added, it will connect gpio irq line to cpu irq.
And cpu hot-add is put in common code, move gpio irq initial
part into common code.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Add logic cpu allocation and cpu mapping with cpu hotplug interface.
When cpu is added, connect ipi gpio irq to CPU IRQ_IPI irq pin.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
LoongArch ipi can send interrupt to multiple CPUs, interrupt routing
to CPU comes from destination physical cpu id. Here hotplug interface
is added for IPI object, so that parent irq line can be connected, and
routing table can be added for new created cpu.
Here only basic hotplug framework is added, it is stub function.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
The TYPE_ARM_GICV3 model doesn't have any particular
dependency on TCG, remove it. Rename the Kconfig selector
ARM_GICV3_TCG -> ARM_GICV3.
Fixes: a8a5546798 ("hw/intc/arm_gicv3: Introduce CONFIG_ARM_GIC_TCG Kconfig selector")
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Phil Dennis-Jordan <phil@philjordan.eu>
Tested-by: Phil Dennis-Jordan <phil@philjordan.eu>
Message-Id: <20241227202435.48055-2-philmd@linaro.org>
Let kvm_msicfgaddr use the same format with mmsicfgaddr and smsicfgaddr.
Signed-off-by: Yong-Xuan Wang <yongxuan.wang@sifive.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20250224025722.3999-4-yongxuan.wang@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
When the APLIC is emulated in the kernel, the GPIO output lines to CPUs
can be remove. In this case the APLIC trigger CPU interrupts by KVM APIs.
This patch also move the code that claim the CPU interrupts to the
beginning of APLIC realization. This can avoid the unnecessary resource
allocation before checking failed.
Signed-off-by: Yong-Xuan Wang <yongxuan.wang@sifive.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20250224025722.3999-3-yongxuan.wang@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
When the IMSIC is emulated in the kernel, the GPIO output lines to CPUs
and aia_ireg_rmw_fn setting can be remove. In this case the IMSIC
trigger CPU interrupts by KVM APIs, and the RMW of IREG is handled in
kernel.
This patch also move the code that claim the CPU interrupts to the
beginning of IMSIC realization. This can avoid the unnecessary resource
allocation before checking failed.
Signed-off-by: Yong-Xuan Wang <yongxuan.wang@sifive.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20250224025722.3999-2-yongxuan.wang@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Remove the redundant masking of "hart_idx", as the same operation is
performed later during address calculation.
This change impacts the "hart_idx" value in the final qemu_log_mask()
call. The original "hart_idx" parameter should be used for logging to
ensure accuracy, rather than the masked value.
Signed-off-by: Huang Borong <huangborong@bosc.ac.cn>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Message-ID: <20250115035105.19600-1-huangborong@bosc.ac.cn>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
In the gicv3_{irq,fiq,irqfiq}_access() functions, in the
arm_current_el(env) == 3 case we do the following test:
if (!is_a64(env) && !arm_is_el3_or_mon(env)) {
r = CP_ACCESS_TRAP_EL3;
}
In this check, the "!is_a64(env)" is redundant, because if
we are at EL3 and in AArch64 then arm_is_el3_or_mon() will
return true and we will skip the if() body anyway.
Remove the unnecessary tests.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250130182309.717346-9-peter.maydell@linaro.org
In the gicv3_{irq,fiq,irqfiq}_access() functions, there is a check
which downgrades a CP_ACCESS_TRAP_EL3 to CP_ACCESS_TRAP if EL3 is not
AArch64. This has been there since the GIC was first implemented,
but it isn't right: if we are trapping because of SCR.IRQ or SCR.FIQ
then we definitely want to be going to EL3 (doing
AArch32.TakeMonitorTrapException() in pseudocode terms). We might
want to not take a trap at all, but we don't ever want to go to the
default target EL, because that would mean, for instance, taking a
trap to Hyp mode if the trapped access was made from Hyp mode.
(This might have been an attempt to work around our failure to
properly implement Monitor Traps.)
Remove the bogus check.
Cc: qemu-stable@nongnu.org
Fixes: 359fbe65e0 ("hw/intc/arm_gicv3: Implement GICv3 CPU interface registers")
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250130182309.717346-7-peter.maydell@linaro.org
These devices are only used by the ARM targets, which are
only built as little-endian. Therefore the DEVICE_NATIVE_ENDIAN
definition expand to DEVICE_LITTLE_ENDIAN (besides, the
DEVICE_BIG_ENDIAN case isn't tested). Simplify directly using
DEVICE_LITTLE_ENDIAN.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250212113938.38692-2-philmd@linaro.org>
Replace the DEVICE_NATIVE_ENDIAN MemoryRegionOps by a pair of
DEVICE_LITTLE_ENDIAN / DEVICE_BIG_ENDIAN.
Add the "endianness" property to select the device endianness.
This property is unspecified by default, and machines need to
set it explicitly.
Set the proper endianness for each machine using the device.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250213122217.62654-3-philmd@linaro.org>
This changes replaces the use of an explicit literal constant for
the APIC base address mask with the existing symbolic constant
intended for this purpose.
Additionally, we remove the comment about not being able to
re-enable the APIC after disabling it. This is no longer
the case after the APIC implementation's state machine was
modified in 9.0.
Signed-off-by: Phil Dennis-Jordan <phil@philjordan.eu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20241209203629.74436-11-phil@philjordan.eu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
There is arch_id and CPUState pointer in IPICore object. With function
cpu_by_arch_id() it can be implemented by parsing IPICore array inside,
rather than possible_cpus array.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Add logic cpu index input parameter for function cpu_by_arch_id,
CPUState::cpu_index is logic cpu slot index for possible_cpus.
At the same time it is logic index with LoongsonIPICommonState::IPICore,
here hide access for CPUState::cpu_index directly, it comes from
function cpu_by_arch_id().
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Since cpu number can be acquired from possible_cpu_arch_ids(),
num-cpu property is not necessary. Here remove num-cpu property
for object TYPE_LOONGARCH_IPI object.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Supported CPU number can be acquired from function
possible_cpu_arch_ids(), cpu-num property is not necessary and can
be removed.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
With mips64 loongson ipi, num_cpu property is used. With loongarch
ipi, num_cpu can be acquired from possible_cpu_arch_ids.
Here remove property num_cpu from loongson_ipi_common, and put it into
loongson and loongarch ipi separately.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
With mips64 loongson ipi, num_cpu property is used. With loongarch
ipi, num_cpu can be acquired from possible_cpu_arch_ids.
Here remove num_cpu setting from loongson_ipi_common, and this piece
of code is put into loongson and loongarch ipi separately.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
All these MemoryRegionOps read() and write() handlers are
implemented expecting 32-bit accesses. Clarify that setting
.impl.min/max_access_size fields.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Anton Johansson <anjo@rev.ng>
Message-Id: <20241105130431.22564-8-philmd@linaro.org>
The simliar with IPI interrupt controller, physical cpu id is used
for irq routing for extioi interrupt controller.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Since cpu number can be acquired from possible_cpu_arch_ids(),
num-cpu property is not necessary. Here remove num-cpu property
for object TYPE_LOONGARCH_EXTIOI_COMMON object.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Supported CPU number can be acquired from function
possible_cpu_arch_ids(), cpu-num property is not necessary.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Now that the s390-ccw-virtio-2.8 machine has been removed, we don't
need the "adapter_routes_max_batch" property anymore and can remove it.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Acked-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Message-ID: <20250103144232.520383-11-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
* Correct the validness check of iova
* Fix APLIC in_clrip and clripnum write emulation
* Support riscv-iommu-sys device
* Add Tenstorrent Ascalon CPU
* Add AIA userspace irqchip_split support
* Add Microblaze V generic board
* Upgrade ACPI SPCR table to support SPCR table revision 4 format
* Remove tswap64() calls from HTIF
* Support 64-bit address of initrd
* Introduce svukte ISA extension
* Support ssstateen extension
* Support for RV64 Xiangshan Nanhu CPU
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Merge tag 'pull-riscv-to-apply-20241220' of https://github.com/alistair23/qemu into staging
RISC-V PR for 10.0
* Correct the validness check of iova
* Fix APLIC in_clrip and clripnum write emulation
* Support riscv-iommu-sys device
* Add Tenstorrent Ascalon CPU
* Add AIA userspace irqchip_split support
* Add Microblaze V generic board
* Upgrade ACPI SPCR table to support SPCR table revision 4 format
* Remove tswap64() calls from HTIF
* Support 64-bit address of initrd
* Introduce svukte ISA extension
* Support ssstateen extension
* Support for RV64 Xiangshan Nanhu CPU
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# 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-20241220' of https://github.com/alistair23/qemu: (39 commits)
target/riscv: add support for RV64 Xiangshan Nanhu CPU
target/riscv: add ssstateen
target/riscv/tcg: hide warn for named feats when disabling via priv_ver
target/riscv: Include missing headers in 'internals.h'
target/riscv: Include missing headers in 'vector_internals.h'
target/riscv: Check svukte is not enabled in RV32
target/riscv: Expose svukte ISA extension
target/riscv: Check memory access to meet svukte rule
target/riscv: Support hstatus[HUKTE] bit when svukte extension is enabled
target/riscv: Support senvcfg[UKTE] bit when svukte extension is enabled
target/riscv: Add svukte extension capability variable
hw/riscv: Add the checking if DTB overlaps to kernel or initrd
hw/riscv: Add a new struct RISCVBootInfo
hw/riscv: Support to load DTB after 3GB memory on 64-bit system.
hw/char/riscv_htif: Clarify MemoryRegionOps expect 32-bit accesses
hw/char/riscv_htif: Explicit little-endian implementation
MAINTAINERS: Cover RISC-V HTIF interface
tests/qtest/bios-tables-test: Update virt SPCR golden reference for RISC-V
hw/acpi: Upgrade ACPI SPCR table to support SPCR table revision 4 format
qtest: allow SPCR acpi table changes
...
Conflicts:
target/riscv/cpu.c
Merge conflict with DEFINE_PROP_END_OF_LIST() removal. No Property
array terminator is needed anymore.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* rust: second part of QOM rework
* rust: callbacks wrapper
* rust: pl011 bugfixes
* kvm: cleanup errors in kvm_convert_memory()
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging
* qdev: second part of Property cleanups
* rust: second part of QOM rework
* rust: callbacks wrapper
* rust: pl011 bugfixes
* kvm: cleanup errors in kvm_convert_memory()
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# 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
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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (42 commits)
rust: pl011: simplify handling of the FIFO enabled bit in LCR
rust: pl011: fix migration stream
rust: pl011: extend registers to 32 bits
rust: pl011: fix break errors and definition of Data struct
rust: pl011: always use reset() method on registers
rust: pl011: match break logic of C version
rust: pl011: fix declaration of LineControl bits
target/i386: Reset TSCs of parked vCPUs too on VM reset
kvm: consistently return 0/-errno from kvm_convert_memory
rust: qemu-api: add a module to wrap functions and zero-sized closures
rust: qom: add initial subset of methods on Object
rust: qom: add casting functionality
rust: tests: allow writing more than one test
bql: add a "mock" BQL for Rust unit tests
rust: re-export C types from qemu-api submodules
rust: rename qemu-api modules to follow C code a bit more
rust: qom: add possibility of overriding unparent
rust: qom: put class_init together from multiple ClassInitImpl<>
Constify all opaque Property pointers
hw/core/qdev-properties: Constify Property argument to PropertyInfo.print
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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>
The last step to enable KVM AIA aplic-imsic with irqchip in split mode
is to deal with how MSIs are going to be sent. In our current design we
don't allow an APLIC controller to send MSIs unless it's on m-mode. And
we also do not allow Supervisor MSI address configuration via the
'smsiaddrcfg' and 'smsiaddrcfgh' registers unless it's also a m-mode
APLIC controller.
Add a new RISCVACPLICState attribute called 'kvm_msicfgaddr'. This
attribute represents the base configuration address for MSIs, in our
case the base addr of the IMSIC controller. This attribute is being set
only when running irqchip_split() mode with aia=aplic-imsic.
During riscv_aplic_msi_send() we'll check if the attribute was set to
skip the check for a m-mode APLIC controller and to change the resulting
MSI addr by adding kvm_msicfgaddr right before address_space_stl_le().
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20241119191706.718860-7-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
The current logic to determine if we don't need an emulated APLIC
controller, i.e. KVM will provide for us, is to determine if we're
running KVM, with in-kernel irqchip support, and running
aia=aplic-imsic. This is modelled by riscv_is_kvm_aia_aplic_imsic() and
virt_use_kvm_aia_aplic_imsic().
This won't suffice to support irqchip_split() mode: it will match
exactly the same conditions as the one above, but setting the irqchip to
'split' mode will now require us to emulate an APLIC s-mode controller,
like we're doing with 'aia=aplic'.
Create a new riscv_use_emulated_aplic() helper that will encapsulate
this logic. Replace the uses of "riscv_is_kvm_aia_aplic_imsic()" with
this helper every time we're taking a decision on emulate an APLIC
controller or not. Do the same in virt.c with virt_use_emulated_aplic().
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20241119191706.718860-6-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
The helper is_kvm_aia() is checking not only for AIA, but for
aplic-imsic (i.e. "aia=aplic-imsic" in 'virt' RISC-V machine) with an
in-kernel chip present.
Rename it to be a bit clear what the helper is doing since we'll add
more AIA helpers in the next patches.
Make the helper public because the 'virt' machine will use it as well.
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20241119191706.718860-2-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
In the section "4.7 Precise effects on interrupt-pending bits"
of the RISC-V AIA specification defines that:
"If the source mode is Level1 or Level0 and the interrupt domain
is configured in MSI delivery mode (domaincfg.DM = 1):
The pending bit is cleared whenever the rectified input value is
low, when the interrupt is forwarded by MSI, or by a relevant
write to an in_clrip register or to clripnum."
Update the riscv_aplic_set_pending() to match the spec.
Fixes: bf31cf06eb ("hw/intc/riscv_aplic: Fix setipnum_le write emulation for APLIC MSI-mode")
Signed-off-by: Yong-Xuan Wang <yongxuan.wang@sifive.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20241029085349.30412-1-yongxuan.wang@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Now that all of the Property arrays are counted, we can remove
the terminator object from each array. Update the assertions
in device_class_set_props to match.
With struct Property being 88 bytes, this was a rather large
form of terminator. Saves 30k from qemu-system-aarch64.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Lei Yang <leiyang@redhat.com>
Link: https://lore.kernel.org/r/20241218134251.4724-21-richard.henderson@linaro.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Remove definition about LoongArchExtIOI and LOONGARCH_EXTIOI, and
replace them with LoongArchExtIOICommonState and macro
LOONGARCH_EXTIOI_COMMON separately. Also remove unnecessary header
files.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Add vmstate pre_save interface, which can be used extioi kvm driver
in future.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Set TYPE_LOONGARCH_EXTIOI inherit from TYPE_LOONGARCH_EXTIOI_COMMON
object, it shares vmsate and property of TYPE_LOONGARCH_EXTIOI_COMMON,
and has its own realize() function.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Add new common file loongarch_extioi_common.c, and move vmstate
and property structure to common file.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
For loongarch extioi emulation driver, add unrealize interface and
remove instance_finalize interface and move the code to unrealize
interface.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Add common realize function, it is only to check validity of property.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
With some structure such as vmstate and property, rename LoongArchExtIOI
with LoongArchExtIOICommonState, these common structure will be moved
to common file.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Remove definition about LoongArchPCHPIC and LOONGARCH_PCH_PIC, and
replace them with LoongArchPICCommonState and LOONGARCH_PIC_COMMON
separately. Also remove unnecessary header files.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Add vmstate pre_save and post_load interfaces, which can be used
by pic kvm driver in future.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Set TYPE_LOONGARCH_PIC inherit from TYPE_LOONGARCH_PIC_COMMON object,
it shares vmsate and property of TYPE_LOONGARCH_PIC_COMMON, and has
its own realize() function.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Reviewed-by: Song Gao <gaosong@loongson.cn>
