Merge tag 'pull-target-arm-20240425' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
* Implement FEAT_NMI and NMI support in the GICv3
* hw/dma: avoid apparent ov

Merge tag 'pull-target-arm-20240425' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
* Implement FEAT_NMI and NMI support in the GICv3
* hw/dma: avoid apparent overflow in soc_dma_set_request
* linux-user/flatload.c: Remove unused bFLT shared-library and ZFLAT code
* Add ResetType argument to Resettable hold and exit phase methods
* Add RESET_TYPE_SNAPSHOT_LOAD ResetType
* Implement STM32L4x5 USART

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# JY1cZ/EQY7cqXGrww8lhWA==
# =WEsU
# -----END PGP SIGNATURE-----
# gpg: Signature made Thu 25 Apr 2024 03:36:03 AM PDT
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [full]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [full]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [full]
# gpg: aka "Peter Maydell <peter@archaic.org.uk>" [unknown]

* tag 'pull-target-arm-20240425' of https://git.linaro.org/people/pmaydell/qemu-arm: (37 commits)
tests/qtest: Add tests for the STM32L4x5 USART
hw/arm: Add the USART to the stm32l4x5 SoC
hw/char/stm32l4x5_usart: Add options for serial parameters setting
hw/char/stm32l4x5_usart: Enable serial read and write
hw/char: Implement STM32L4x5 USART skeleton
reset: Add RESET_TYPE_SNAPSHOT_LOAD
docs/devel/reset: Update to new API for hold and exit phase methods
hw, target: Add ResetType argument to hold and exit phase methods
scripts/coccinelle: New script to add ResetType to hold and exit phases
allwinner-i2c, adm1272: Use device_cold_reset() for software-triggered reset
hw/misc: Don't special case RESET_TYPE_COLD in npcm7xx_clk, gcr
linux-user/flatload.c: Remove unused bFLT shared-library and ZFLAT code
hw/dma: avoid apparent overflow in soc_dma_set_request
hw/arm/virt: Enable NMI support in the GIC if the CPU has FEAT_NMI
target/arm: Add FEAT_NMI to max
hw/intc/arm_gicv3: Report the VINMI interrupt
hw/intc/arm_gicv3: Report the NMI interrupt in gicv3_cpuif_update()
hw/intc/arm_gicv3: Implement NMI interrupt priority
hw/intc/arm_gicv3: Handle icv_nmiar1_read() for icc_nmiar1_read()
hw/intc/arm_gicv3: Add NMI handling CPU interface registers
...

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

show more ...

hw, target: Add ResetType argument to hold and exit phase methods

We pass a ResetType argument to the Resettable class enter
phase method, but we don't pass it to hold and exit, even though
the call

hw, target: Add ResetType argument to hold and exit phase methods

We pass a ResetType argument to the Resettable class enter
phase method, but we don't pass it to hold and exit, even though
the callsites have it readily available. This means that if
a device cared about the ResetType it would need to record it
in the enter phase method to use later on. Pass the type to
all three of the phase methods to avoid having to do that.

Commit created with

for dir in hw target include; do \
spatch --macro-file scripts/cocci-macro-file.h \
--sp-file scripts/coccinelle/reset-type.cocci \
--keep-comments --smpl-spacing --in-place \
--include-headers --dir $dir; done

and no manual edits.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Luc Michel <luc.michel@amd.com>
Message-id: 20240412160809.1260625-5-peter.maydell@linaro.org

show more ...

Merge tag 'pull-shadow-2023-09-29' of https://repo.or.cz/qemu/armbru into staging

-Wshadow=local patches patches for 2023-09-29

# -----BEGIN PGP SIGNATURE-----
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Merge tag 'pull-shadow-2023-09-29' of https://repo.or.cz/qemu/armbru into staging

-Wshadow=local patches patches for 2023-09-29

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# cH51HzTDuen/
# =XVKC
# -----END PGP SIGNATURE-----
# gpg: Signature made Fri 29 Sep 2023 04:10:35 EDT
# 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

* tag 'pull-shadow-2023-09-29' of https://repo.or.cz/qemu/armbru: (56 commits)
disas/m68k: clean up local variable shadowing
hw/nvme: Clean up local variable shadowing in nvme_ns_init()
softmmu/device_tree: Fixup local variables shadowing
target/riscv: vector_helper: Fixup local variables shadowing
target/riscv: cpu: Fixup local variables shadowing
hw/riscv: opentitan: Fixup local variables shadowing
qemu-nbd: changes towards enabling -Wshadow=local
seccomp: avoid shadowing of 'action' variable
crypto: remove shadowed 'ret' variable
intel_iommu: Fix shadow local variables on "size"
aspeed/timer: Clean up local variable shadowing
aspeed/i3c: Rename variable shadowing a local
aspeed: Clean up local variable shadowing
aspeed/i2c: Clean up local variable shadowing
hw/arm/smmuv3-internal.h: Don't use locals in statement macros
hw/arm/smmuv3.c: Avoid shadowing variable
hw/misc/arm_sysctl.c: Avoid shadowing local variable
hw/intc/arm_gicv3_its: Avoid shadowing variable in do_process_its_cmd()
hw/acpi: changes towards enabling -Wshadow=local
test-throttle: don't shadow 'index' variable in do_test_accounting()
...

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

show more ...

hw/intc/arm_gicv3_its: Avoid shadowing variable in do_process_its_cmd()

Avoid shadowing a local variable in do_process_its_cmd():

../../hw/intc/arm_gicv3_its.c:548:17: warning: declaration of ‘ite’

hw/intc/arm_gicv3_its: Avoid shadowing variable in do_process_its_cmd()

Avoid shadowing a local variable in do_process_its_cmd():

../../hw/intc/arm_gicv3_its.c:548:17: warning: declaration of ‘ite’ shadows a previous local [-Wshadow=compatible-local]
548 | ITEntry ite = {};
| ^~~
../../hw/intc/arm_gicv3_its.c:518:13: note: shadowed declaration is here
518 | ITEntry ite;
| ^~~

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-ID: <20230922152944.3583438-2-peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>

show more ...

Merge tag 'pull-target-arm-20230908' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
* New CPU type: cortex-a710
* Implement new architectural features:
- FEA

Merge tag 'pull-target-arm-20230908' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
* New CPU type: cortex-a710
* Implement new architectural features:
- FEAT_PACQARMA3
- FEAT_EPAC
- FEAT_Pauth2
- FEAT_FPAC
- FEAT_FPACCOMBINE
- FEAT_TIDCP1
* Xilinx Versal: Model the CFU/CFI
* Implement RMR_ELx registers
* Implement handling of HCR_EL2.TIDCP trap bit
* arm/kvm: Enable support for KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE
* hw/intc/arm_gicv3_its: Avoid maybe-uninitialized error in get_vte()
* target/arm: Do not use gen_mte_checkN in trans_STGP
* arm64: Restore trapless ptimer access

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# =5Shq
# -----END PGP SIGNATURE-----
# gpg: Signature made Fri 08 Sep 2023 13:05:13 EDT
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [full]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [full]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [full]
# gpg: aka "Peter Maydell <peter@archaic.org.uk>" [unknown]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE

* tag 'pull-target-arm-20230908' of https://git.linaro.org/people/pmaydell/qemu-arm: (26 commits)
arm/kvm: Enable support for KVM_CAP_ARM_EAGER_SPLIT_CHUNK_SIZE
target/arm: Enable SCTLR_EL1.TIDCP for user-only
target/arm: Implement FEAT_TIDCP1
target/arm: Implement HCR_EL2.TIDCP
target/arm: Implement cortex-a710
target/arm: Implement RMR_ELx
arm64: Restore trapless ptimer access
target/arm: Do not use gen_mte_checkN in trans_STGP
hw/arm/versal: Connect the CFRAME_REG and CFRAME_BCAST_REG
hw/arm/xlnx-versal: Connect the CFU_APB, CFU_FDRO and CFU_SFR
hw/misc: Introduce a model of Xilinx Versal's CFRAME_BCAST_REG
hw/misc: Introduce a model of Xilinx Versal's CFRAME_REG
hw/misc/xlnx-versal-cfu: Introduce a model of Xilinx Versal's CFU_SFR
hw/misc/xlnx-versal-cfu: Introduce a model of Xilinx Versal CFU_FDRO
hw/misc: Introduce a model of Xilinx Versal's CFU_APB
hw/misc: Introduce the Xilinx CFI interface
hw/intc/arm_gicv3_its: Avoid maybe-uninitialized error in get_vte()
target/arm: Implement FEAT_FPAC and FEAT_FPACCOMBINE
target/arm: Inform helpers whether a PAC instruction is 'combined'
target/arm: Implement FEAT_Pauth2
...

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

show more ...

hw/intc/arm_gicv3_its: Avoid maybe-uninitialized error in get_vte()

Fix when using GCC v11.4 (Ubuntu 11.4.0-1ubuntu1~22.04) with CFLAGS=-Og:

[4/6] Compiling C object libcommon.fa.p/hw_intc_arm_gi

hw/intc/arm_gicv3_its: Avoid maybe-uninitialized error in get_vte()

Fix when using GCC v11.4 (Ubuntu 11.4.0-1ubuntu1~22.04) with CFLAGS=-Og:

[4/6] Compiling C object libcommon.fa.p/hw_intc_arm_gicv3_its.c.o
FAILED: libcommon.fa.p/hw_intc_arm_gicv3_its.c.o
inlined from ‘lookup_vte’ at hw/intc/arm_gicv3_its.c:453:9,
inlined from ‘vmovp_callback’ at hw/intc/arm_gicv3_its.c:1039:14:
hw/intc/arm_gicv3_its.c:347:9: error: ‘vte.rdbase’ may be used uninitialized [-Werror=maybe-uninitialized]
347 | trace_gicv3_its_vte_read(vpeid, vte->valid, vte->vptsize,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
348 | vte->vptaddr, vte->rdbase);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~
hw/intc/arm_gicv3_its.c: In function ‘vmovp_callback’:
hw/intc/arm_gicv3_its.c:1036:13: note: ‘vte’ declared here
1036 | VTEntry vte;
| ^~~

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20230831131348.69032-1-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

Merge tag 'pull-request-2023-01-18' of https://gitlab.com/thuth/qemu into staging

* Fix the FreeBSD CI jobs in Gitlab by upgrading the packages in the beginning
* Fix the Haiku VM test by updating i

Merge tag 'pull-request-2023-01-18' of https://gitlab.com/thuth/qemu into staging

* Fix the FreeBSD CI jobs in Gitlab by upgrading the packages in the beginning
* Fix the Haiku VM test by updating it to r1beta4
* Allow "make uninstall"
* Rename TARGET_FMT_plx to HWADDR_FMT_plx
* Some small qtest fixes/improvements
* Check for valid amount of CPUs before starting a secure execution s390x guest

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# -----END PGP SIGNATURE-----
# gpg: Signature made Wed 18 Jan 2023 11:31:30 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

* tag 'pull-request-2023-01-18' of https://gitlab.com/thuth/qemu:
s390x/pv: Implement a CGS check helper
tests/vm/haiku.x86_64: Update the Haiku VM to Beta 4
tests/qtest/libqos/e1000e: Remove duplicate register definitions
tests/qtest/e1000e-test: Fix the code style
tests/qtest: Restrict bcm2835-dma-test to CONFIG_RASPI
MAINTAINERS: Remove bouncing mail address from Kamil Rytarowski
bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx
Makefile: allow 'make uninstall'
Upgrade all packages in the FreeBSD VMs to ensure the freshness

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

show more ...

bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx

The 'hwaddr' type is defined in "exec/hwaddr.h" as:

hwaddr is the type of a physical address
(its size can be different from 'target_ulong').

A

bulk: Rename TARGET_FMT_plx -> HWADDR_FMT_plx

The 'hwaddr' type is defined in "exec/hwaddr.h" as:

hwaddr is the type of a physical address
(its size can be different from 'target_ulong').

All definitions use the 'HWADDR_' prefix, except TARGET_FMT_plx:

$ fgrep define include/exec/hwaddr.h
#define HWADDR_H
#define HWADDR_BITS 64
#define HWADDR_MAX UINT64_MAX
#define TARGET_FMT_plx "%016" PRIx64
^^^^^^
#define HWADDR_PRId PRId64
#define HWADDR_PRIi PRIi64
#define HWADDR_PRIo PRIo64
#define HWADDR_PRIu PRIu64
#define HWADDR_PRIx PRIx64
#define HWADDR_PRIX PRIX64

Since hwaddr's size can be *different* from target_ulong, it is
very confusing to read one of its format using the 'TARGET_FMT_'
prefix, normally used for the target_long / target_ulong types:

$ fgrep TARGET_FMT_ include/exec/cpu-defs.h
#define TARGET_FMT_lx "%08x"
#define TARGET_FMT_ld "%d"
#define TARGET_FMT_lu "%u"
#define TARGET_FMT_lx "%016" PRIx64
#define TARGET_FMT_ld "%" PRId64
#define TARGET_FMT_lu "%" PRIu64

Apparently this format was missed during commit a8170e5e97
("Rename target_phys_addr_t to hwaddr"), so complete it by
doing a bulk-rename with:

$ sed -i -e s/TARGET_FMT_plx/HWADDR_FMT_plx/g $(git grep -l TARGET_FMT_plx)

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230110212947.34557-1-philmd@linaro.org>
[thuth: Fix some warnings from checkpatch.pl along the way]
Signed-off-by: Thomas Huth <thuth@redhat.com>

show more ...

Merge tag 'pull-target-arm-20221215-1' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
 * hw/arm/virt: Add properties to allow more granular
configuration of use

Merge tag 'pull-target-arm-20221215-1' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
 * hw/arm/virt: Add properties to allow more granular
configuration of use of highmem space
 * target/arm: Add Cortex-A55 CPU
 * hw/intc/arm_gicv3: Fix GICD_TYPER ITLinesNumber advertisement
 * Implement FEAT_EVT
 * Some 3-phase-reset conversions for Arm GIC, SMMU
 * hw/arm/boot: set initrd with #address-cells type in fdt
 * hw/misc: Move some arm-related files from specific_ss into softmmu_ss
 * Restrict arm_cpu_exec_interrupt() to TCG accelerator

# gpg: Signature made Thu 15 Dec 2022 17:38:36 GMT
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# gpg: aka "Peter Maydell <peter@archaic.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE

* tag 'pull-target-arm-20221215-1' of https://git.linaro.org/people/pmaydell/qemu-arm: (28 commits)
target/arm: Restrict arm_cpu_exec_interrupt() to TCG accelerator
hw/misc: Move some arm-related files from specific_ss into softmmu_ss
hw/arm/boot: set initrd with #address-cells type in fdt
hw/intc: Convert TYPE_KVM_ARM_ITS to 3-phase reset
hw/intc: Convert TYPE_ARM_GICV3_ITS to 3-phase reset
hw/intc: Convert TYPE_ARM_GICV3_ITS_COMMON to 3-phase reset
hw/intc: Convert TYPE_KVM_ARM_GICV3 to 3-phase reset
hw/intc: Convert TYPE_ARM_GICV3_COMMON to 3-phase reset
hw/intc: Convert TYPE_ARM_GIC_KVM to 3-phase reset
hw/intc: Convert TYPE_ARM_GIC_COMMON to 3-phase reset
hw/arm: Convert TYPE_ARM_SMMUV3 to 3-phase reset
hw/arm: Convert TYPE_ARM_SMMU to 3-phase reset
target/arm: Report FEAT_EVT for TCG '-cpu max'
target/arm: Implement HCR_EL2.TID4 traps
target/arm: Implement HCR_EL2.TICAB,TOCU traps
target/arm: Implement HCR_EL2.TTLBOS traps
target/arm: Implement HCR_EL2.TTLBIS traps
target/arm: Allow relevant HCR bits to be written for FEAT_EVT
hw/intc/arm_gicv3: Fix GICD_TYPER ITLinesNumber advertisement
target/arm: Add Cortex-A55 CPU
...

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

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hw/intc: Convert TYPE_ARM_GICV3_ITS to 3-phase reset

Convert the TYPE_ARM_GICV3_ITS device to 3-phase reset.

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

hw/intc: Convert TYPE_ARM_GICV3_ITS to 3-phase reset

Convert the TYPE_ARM_GICV3_ITS device to 3-phase reset.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20221109161444.3397405-9-peter.maydell@linaro.org

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Merge tag 'pull-target-arm-20220422-1' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
* Implement GICv4 emulation
* Some cleanup patches in target/arm
* hw/arm/

Merge tag 'pull-target-arm-20220422-1' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
* Implement GICv4 emulation
* Some cleanup patches in target/arm
* hw/arm/smmuv3: Pass the actual perm to returned IOMMUTLBEntry in smmuv3_translate()

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# gpg: Signature made Fri 22 Apr 2022 06:46:19 AM PDT
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [full]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [full]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [full]

* tag 'pull-target-arm-20220422-1' of https://git.linaro.org/people/pmaydell/qemu-arm: (61 commits)
hw/arm/smmuv3: Pass the actual perm to returned IOMMUTLBEntry in smmuv3_translate()
target/arm: Use tcg_constant_i32 in translate.h
target/arm: Use tcg_constant in translate-vfp.c
target/arm: Use smin/smax for do_sat_addsub_32
target/arm: Use tcg_constant in translate-neon.c
target/arm: Use tcg_constant in translate-m-nocp.c
target/arm: Simplify aa32 DISAS_WFI
target/arm: Simplify gen_sar
target/arm: Simplify GEN_SHIFT in translate.c
target/arm: Split out gen_rebuild_hflags
target/arm: Split out set_btype_raw
target/arm: Remove fpexc32_access
target/arm: Change CPUArchState.thumb to bool
target/arm: Change DisasContext.thumb to bool
target/arm: Extend store_cpu_offset to take field size
target/arm: Change CPUArchState.aarch64 to bool
target/arm: Change DisasContext.aarch64 to bool
target/arm: Update SCTLR bits to ARMv9.2
target/arm: Update SCR_EL3 bits to ARMv8.8
target/arm: Update ISAR fields for ARMv8.8
...

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

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hw/intc/arm_gicv3: Update ID and feature registers for GICv4

Update the various GIC ID and feature registers for GICv4:
* PIDR2 [7:4] is the GIC architecture revision
* GICD_TYPER.DVIS is 1 to ind

hw/intc/arm_gicv3: Update ID and feature registers for GICv4

Update the various GIC ID and feature registers for GICv4:
* PIDR2 [7:4] is the GIC architecture revision
* GICD_TYPER.DVIS is 1 to indicate direct vLPI injection support
* GICR_TYPER.VLPIS is 1 to indicate redistributor support for vLPIs
* GITS_TYPER.VIRTUAL is 1 to indicate vLPI support
* GITS_TYPER.VMOVP is 1 to indicate that our VMOVP implementation
handles cross-ITS synchronization for the guest
* ICH_VTR_EL2.nV4 is 0 to indicate direct vLPI injection support

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220408141550.1271295-38-peter.maydell@linaro.org

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hw/intc/arm_gicv3_its: Implement VINVALL

The VINVALL command should cause any cached information in the
ITS or redistributor for the specified vCPU to be dropped or
otherwise made consistent with th

hw/intc/arm_gicv3_its: Implement VINVALL

The VINVALL command should cause any cached information in the
ITS or redistributor for the specified vCPU to be dropped or
otherwise made consistent with the in-memory LPI configuration
tables.

Here we implement the command and table parsing, leaving the
redistributor part as a stub for the moment, as usual.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220408141550.1271295-22-peter.maydell@linaro.org

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hw/intc/arm_gicv3_its: Implement VMOVI

Implement the GICv4 VMOVI command, which moves the pending state
of a virtual interrupt from one redistributor to another. As with
MOVI, we handle the "parse a

hw/intc/arm_gicv3_its: Implement VMOVI

Implement the GICv4 VMOVI command, which moves the pending state
of a virtual interrupt from one redistributor to another. As with
MOVI, we handle the "parse and validate command arguments and
table lookups" part in the ITS source file, and pass the final
results to a function in the redistributor which will do the
actual operation. As with the "make a VLPI pending" change,
for the moment we leave that redistributor function as a stub,
to be implemented in a later commit.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220408141550.1271295-21-peter.maydell@linaro.org

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hw/intc/arm_gicv3_its: Implement INV for virtual interrupts

Implement the ITS side of the handling of the INV command for
virtual interrupts; as usual this calls into a redistributor
function which

hw/intc/arm_gicv3_its: Implement INV for virtual interrupts

Implement the ITS side of the handling of the INV command for
virtual interrupts; as usual this calls into a redistributor
function which we leave as a stub to fill in later.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220408141550.1271295-20-peter.maydell@linaro.org

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hw/intc/arm_gicv3_its: Implement INV command properly

We were previously implementing INV (like INVALL) to just blow away
cached highest-priority-pending-LPI information on all connected
redistribut

hw/intc/arm_gicv3_its: Implement INV command properly

We were previously implementing INV (like INVALL) to just blow away
cached highest-priority-pending-LPI information on all connected
redistributors. For GICv4.0, this isn't going to be sufficient,
because the LPI we are invalidating cached information for might be
either physical or virtual, and the required action is different for
those two cases. So we need to do the full process of looking up the
ITE from the devid and eventid. This also means we can do the error
checks that the spec lists for this command.

Split out INV handling into a process_inv() function like our other
command-processing functions. For the moment, stick to handling only
physical LPIs; we will add the vLPI parts later.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220408141550.1271295-19-peter.maydell@linaro.org

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hw/intc/arm_gicv3_its: Implement VSYNC

The VSYNC command forces the ITS to synchronize all outstanding ITS
operations for the specified vPEID, so that subsequent writes to
GITS_TRANSLATER honour the

hw/intc/arm_gicv3_its: Implement VSYNC

The VSYNC command forces the ITS to synchronize all outstanding ITS
operations for the specified vPEID, so that subsequent writes to
GITS_TRANSLATER honour them. The QEMU implementation is always in
sync, so for us this is a nop, like the existing SYNC command.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220408141550.1271295-18-peter.maydell@linaro.org

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hw/intc/arm_gicv3_its: Implement VMOVP

Implement the GICv4 VMOVP command, which updates an entry in the vPE
table to change its rdbase field. This command is unique in the ITS
command set because it

hw/intc/arm_gicv3_its: Implement VMOVP

Implement the GICv4 VMOVP command, which updates an entry in the vPE
table to change its rdbase field. This command is unique in the ITS
command set because its effects must be propagated to all the other
ITSes connected to the same GIC as the ITS which executes the VMOVP
command.

The GICv4 spec allows two implementation choices for handling the
propagation to other ITSes:
* If GITS_TYPER.VMOVP is 1, the guest only needs to issue the command
on one ITS, and the implementation handles the propagation to
all ITSes
* If GITS_TYPER.VMOVP is 0, the guest must issue the command on
every ITS, and arrange for the ITSes to synchronize the updates
with each other by setting ITSList and Sequence Number fields
in the command packets

We choose the GITS_TYPER.VMOVP = 1 approach, and synchronously
execute the update on every ITS.

For GICv4.1 this command has extra fields in the command packet and
additional behaviour. We define the 4.1-only fields with the FIELD
macro, but only implement the GICv4.0 version of the command.

Note that we don't update the reported GITS_TYPER value here;
we'll do that later in a commit which updates all the reported
feature bit and ID register values for GICv4.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220408141550.1271295-17-peter.maydell@linaro.org
[PMM: Moved gicv3_foreach_its() to arm_gicv3_its_common.h,
for consistency with gicv3_add_its()]

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hw/intc/arm_gicv3: Keep pointers to every connected ITS

The GICv4 ITS VMOVP command's semantics require it to perform the
operation on every ITS connected to the same GIC that the ITS that
received

hw/intc/arm_gicv3: Keep pointers to every connected ITS

The GICv4 ITS VMOVP command's semantics require it to perform the
operation on every ITS connected to the same GIC that the ITS that
received the command is attached to. This means that the GIC object
needs to keep a pointer to every ITS that is connected to it
(previously it was sufficient for the ITS to have a pointer to its
GIC).

Add a glib ptrarray to the GICv3 object which holds pointers to every
connected ITS, and make the ITS add itself to the array for the GIC
it is connected to when it is realized.

Note that currently all QEMU machine types with an ITS have exactly
one ITS in the system, so typically the length of this ptrarray will
be 1. Multiple ITSes are typically used to improve performance on
real hardware, so we wouldn't need to have more than one unless we
were modelling a real machine type that had multile ITSes.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
[PMM: Moved gicv3_add_its() to arm_gicv3_its_common.h to avoid
compilation error building the KVM ITS]
Message-id: 20220408141550.1271295-16-peter.maydell@linaro.org

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hw/intc/arm_gicv3_its: Handle virtual interrupts in process_its_cmd()

For GICv4, interrupt table entries read by process_its_cmd() may
indicate virtual LPIs which are to be directly injected into a

hw/intc/arm_gicv3_its: Handle virtual interrupts in process_its_cmd()

For GICv4, interrupt table entries read by process_its_cmd() may
indicate virtual LPIs which are to be directly injected into a VM.
Implement the ITS side of the code for handling this. This is
similar to the existing handling of physical LPIs, but instead of
looking up a collection ID in a collection table, we look up a vPEID
in a vPE table. As with the physical LPIs, we leave the rest of the
work to code in the redistributor device.

The redistributor half will be implemented in a later commit;
for now we just provide a stub function which does nothing.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220408141550.1271295-15-peter.maydell@linaro.org

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hw/intc/arm_gicv3_its: Split out process_its_cmd() physical interrupt code

Split the part of process_its_cmd() which is specific to physical
interrupts into its own function. This is the part which

hw/intc/arm_gicv3_its: Split out process_its_cmd() physical interrupt code

Split the part of process_its_cmd() which is specific to physical
interrupts into its own function. This is the part which starts by
taking the ICID and looking it up in the collection table. The
handling of virtual interrupts is significantly different (involving
a lookup in the vPE table) so structuring the code with one
sub-function for the physical interrupt case and one for the virtual
interrupt case will be clearer than putting both cases in one large
function.

The code for handling the "remove mapping from ITE" for the DISCARD
command remains in process_its_cmd() because it is common to both
virtual and physical interrupts.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220408141550.1271295-14-peter.maydell@linaro.org

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hw/intc/arm_gicv3_its: Factor out CTE lookup sequence

Factor out the sequence of looking up a CTE from an ICID including
the validity and error checks.

Signed-off-by: Peter Maydell <peter.maydell@l

hw/intc/arm_gicv3_its: Factor out CTE lookup sequence

Factor out the sequence of looking up a CTE from an ICID including
the validity and error checks.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220408141550.1271295-13-peter.maydell@linaro.org

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hw/intc/arm_gicv3_its: Factor out "find ITE given devid, eventid"

The operation of finding an interrupt table entry given a (DeviceID,
EventID) pair is necessary in multiple different ITS commands.

hw/intc/arm_gicv3_its: Factor out "find ITE given devid, eventid"

The operation of finding an interrupt table entry given a (DeviceID,
EventID) pair is necessary in multiple different ITS commands. The
process requires first using the DeviceID as an index into the device
table to find the DTE, and then useng the EventID as an index into
the interrupt table specified by that DTE to find the ITE. We also
need to handle all the possible error cases: indexes out of range,
table memory not readable, table entries not valid.

Factor this out into a separate lookup_ite() function which we
can then call from the places where we were previously open-coding
this sequence. We'll also need this for some of the new GICv4.0
commands.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220408141550.1271295-12-peter.maydell@linaro.org

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hw/intc/arm_gicv3_its: Distinguish success and error cases of CMD_CONTINUE

In the ItsCmdResult enum, we currently distinguish only CMD_STALL
(failure, stall processing of the command queue) and CMD_

hw/intc/arm_gicv3_its: Distinguish success and error cases of CMD_CONTINUE

In the ItsCmdResult enum, we currently distinguish only CMD_STALL
(failure, stall processing of the command queue) and CMD_CONTINUE
(keep processing the queue), and we use the latter both for "there
was a parameter error, go on to the next command" and "the command
succeeded, go on to the next command". Sometimes we would like to
distinguish those two cases, so add CMD_CONTINUE_OK to the enum to
represent the success situation, and use it in the relevant places.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220408141550.1271295-11-peter.maydell@linaro.org

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hw/intc/arm_gicv3_its: Implement VMAPP

Implement the GICv4 VMAPP command, which writes an entry to the vPE
table.

For GICv4.1 this command has extra fields in the command packet
and additional beha

hw/intc/arm_gicv3_its: Implement VMAPP

Implement the GICv4 VMAPP command, which writes an entry to the vPE
table.

For GICv4.1 this command has extra fields in the command packet
and additional behaviour. We define the 4.1-only fields with the
FIELD macro, but only implement the GICv4.0 version of the command.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220408141550.1271295-10-peter.maydell@linaro.org

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