Merge tag 'pull-ppc-for-9.2-1-20241104' of https://gitlab.com/npiggin/qemu into staging

* Various bug fixes
* Big cleanup of deprecated machines
* Power11 support for spapr
* XIVE improvements
* Goo

Merge tag 'pull-ppc-for-9.2-1-20241104' of https://gitlab.com/npiggin/qemu into staging

* Various bug fixes
* Big cleanup of deprecated machines
* Power11 support for spapr
* XIVE improvements
* Goodbye to Cedric and David as ppc reviewers, thank you both o7

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# gpg: Signature made Mon 04 Nov 2024 00:15:35 GMT
# gpg: using RSA key 4E437DDA56616F4329B0A79567B30276A8621CAE
# gpg: Good signature from "Nicholas Piggin <npiggin@gmail.com>" [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: 4E43 7DDA 5661 6F43 29B0 A795 67B3 0276 A862 1CAE

* tag 'pull-ppc-for-9.2-1-20241104' of https://gitlab.com/npiggin/qemu: (67 commits)
MAINTAINERS: Remove myself as reviewer
MAINTAINERS: Remove myself from XIVE
MAINTAINERS: Remove myself from the PowerNV machines
hw/ppc: Consolidate ppc440 initial mapping creation functions
hw/ppc: Consolidate e500 initial mapping creation functions
tests/qtest: Add XIVE tests for the powernv10 machine
pnv/xive2: TIMA CI ops using alternative offsets or byte lengths
pnv/xive2: TIMA support for 8-byte OS context push for PHYP
pnv/xive: Update PIPR when updating CPPR
pnv/xive: Add special handling for pool targets
ppc/xive2: Support "Pull Thread Context to Odd Thread Reporting Line"
ppc/xive2: Change context/ring specific functions to be generic
ppc/xive2: Support "Pull Thread Context to Register" operation
ppc/xive2: Allow 1-byte write of Target field in TIMA
ppc/xive2: Dump the VP-group and crowd tables with 'info pic'
ppc/xive2: Dump more NVP state with 'info pic'
pnv/xive2: Support for "OS LGS Push" TIMA operation
ppc/xive2: Support TIMA "Pull OS Context to Odd Thread Reporting Line"
pnv/xive2: Define OGEN field in the TIMA
pnv/xive: TIMA patch sets pre-req alignment and formatting changes
...

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

show more ...

ppc/xive2: Change context/ring specific functions to be generic

Some the functions that have been created are specific to a ring or context. Some
of these same functions are being changed to operate

ppc/xive2: Change context/ring specific functions to be generic

Some the functions that have been created are specific to a ring or context. Some
of these same functions are being changed to operate on any ring/context. This will
simplify the next patch sets that are adding additional ring/context operations.

Signed-off-by: Michael Kowal <kowal@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>

show more ...

ppc/xive: Fix ESB length overflow on 32-bit hosts

The length of this region can be > 32-bits, which overflows size_t on
32-bit hosts. Change to uint64_t.

Signed-off-by: Nicholas Piggin <npiggin@gma

ppc/xive: Fix ESB length overflow on 32-bit hosts

The length of this region can be > 32-bits, which overflows size_t on
32-bit hosts. Change to uint64_t.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>

show more ...

Merge tag 'misc-20240619' of https://github.com/philmd/qemu into staging

Misc patches queue

. Remove deprecated pc-i440fx-2.0 -> 2.3 machines (Phil)
. Always use little endian audio format in virti

Merge tag 'misc-20240619' of https://github.com/philmd/qemu into staging

Misc patches queue

. Remove deprecated pc-i440fx-2.0 -> 2.3 machines (Phil)
. Always use little endian audio format in virtio-snd (Phil)
. Avoid using Monitor in INTERRUPT_STATS_PROVIDER::print_info (Phil)
. Introduce x-query-interrupt-controllers QMP command (Phil)
. Introduce pnv_chip_foreach_cpu() to remove one CPU_FOREACH use (Cédric)
. Constify few uses of IOMMUTLBEvent (Phil)
. Wire loongson_ipi device to loongson3_virt/TCG (Jiaxun)
. Fix inclusion of tracing headers on s390x/TCG (Phil)
. Add few shortcuts missing to readline (Manos)
. Update ui/display entries in MAINTAINERS (Gerd)
. Use qemu_add_mouse_change_notifier on Cocoa (Akihiko)
. Fix Standard VGA screen blanking and cleanups (Gerd)
. Fix USB/MTP reported "free space" value (Fabio)
. Cast size_memop() returned value (Roman)

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# gpg: Signature made Wed 19 Jun 2024 03:53:26 AM PDT
# gpg: using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]

* tag 'misc-20240619' of https://github.com/philmd/qemu: (74 commits)
exec: Make the MemOp enum cast explicit
ui+display: rename is_buffer_shared() -> surface_is_allocated()
ui+display: rename is_placeholder() -> surface_is_placeholder()
stdvga: fix screen blanking
ui/cocoa: Use qemu_add_mouse_change_notifier
MAINTAINERS: drop spice+ui maintainership
MAINTAINERS: drop virtio-gpu maintainership
util/readline: Add C-u shortcut
util/readline: Add C-n, C-p shortcuts
util/readline: Fix lints for readline_handle_byte
target/s390x: Use s390_skeys_get|set() helper
hw/s390x: Introduce s390_skeys_get|set() helpers
hw/mips/loongson3_virt: Wire up loongson_ipi device
hw/intc/loongson_ipi: Replace ipi_getcpu with cpu_by_arch_id
hw/intc/loongson_ipi: Provide per core MMIO address spaces
hw/intc: Remove loongarch_ipi.c
hw/usb/dev-mtp: Correctly report free space
hw/usb: Remove unused 'host.h' header
hw/i386/iommu: Constify IOMMUTLBEvent in vtd_page_walk_hook prototype
memory: Constify IOMMUTLBEvent in memory_region_notify_iommu()
...

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

show more ...

hw/ppc: Avoid using Monitor in xive_source_pic_print_info()

Replace Monitor API by HumanReadableText one.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Manos Pitsidianakis

hw/ppc: Avoid using Monitor in xive_source_pic_print_info()

Replace Monitor API by HumanReadableText one.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Message-Id: <20240610062105.49848-10-philmd@linaro.org>

show more ...

hw/ppc: Avoid using Monitor in xive_tctx_pic_print_info()

Replace Monitor API by HumanReadableText one.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Manos Pitsidianakis <m

hw/ppc: Avoid using Monitor in xive_tctx_pic_print_info()

Replace Monitor API by HumanReadableText one.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Message-Id: <20240610062105.49848-4-philmd@linaro.org>

show more ...

Merge tag 'pull-ppc-20230906' of https://github.com/legoater/qemu into staging

ppc queue :

* debug facility improvements
* timebase and decrementer fixes
* record-replay fixes
* TCG fixes
* XIVE mo

Merge tag 'pull-ppc-20230906' of https://github.com/legoater/qemu into staging

ppc queue :

* debug facility improvements
* timebase and decrementer fixes
* record-replay fixes
* TCG fixes
* XIVE model improvements for multichip

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# gpg: Signature made Wed 06 Sep 2023 06:47:06 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-ppc-20230906' of https://github.com/legoater/qemu: (35 commits)
ppc/xive: Add support for the PC MMIOs
ppc/xive: Handle END triggers between chips with MMIOs
ppc/xive: Introduce a new XiveRouter end_notify() handler
ppc/xive: Use address_space routines to access the machine RAM
target/ppc: Fix the order of kvm_enable judgment about kvmppc_set_interrupt()
hw/ppc/e500: fix broken snapshot replay
target/ppc: Flush inputs to zero with NJ in ppc_store_vscr
target/ppc: Fix LQ, STQ register-pair order for big-endian
tests/avocado: ppc64 reverse debugging tests for pseries and powernv
tests/avocado: reverse-debugging cope with re-executing breakpoints
tests/avocado: boot ppc64 pseries replay-record test to Linux VFS mount
spapr: Fix record-replay machine reset consuming too many events
spapr: Fix machine reset deadlock from replay-record
target/ppc: Fix timebase reset with record-replay
target/ppc: Fix CPU reservation migration for record-replay
hw/ppc: Read time only once to perform decrementer write
hw/ppc: Reset timebase facilities on machine reset
target/ppc: Migrate DECR SPR
hw/ppc: Always store the decrementer value
target/ppc: Sign-extend large decrementer to 64-bits
...

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

show more ...

ppc/xive: Introduce a new XiveRouter end_notify() handler

It will help us model the END triggers on the PowerNV machine, which
can be rerouted to another interrupt controller.

Reviewed-by: Frederic

ppc/xive: Introduce a new XiveRouter end_notify() handler

It will help us model the END triggers on the PowerNV machine, which
can be rerouted to another interrupt controller.

Reviewed-by: Frederic Barrat <fbarrat@linux.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

show more ...

Merge tag 'pull-ppc-20230707-1' of https://gitlab.com/danielhb/qemu into staging

ppc patch queue for 2023-07-07:

In this last queue for 8.1 we have a lot of fixes and improvements all
around: SMT s

Merge tag 'pull-ppc-20230707-1' of https://gitlab.com/danielhb/qemu into staging

ppc patch queue for 2023-07-07:

In this last queue for 8.1 we have a lot of fixes and improvements all
around: SMT support for powerNV, XIVE fixes, PPC440 cleanups, exception
handling cleanups and kvm_pph.h cleanups just to name a few.

Thanks everyone in the qemu-ppc community for all the contributions for
the next QEMU 8.1 release.

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# gpg: Signature made Fri 07 Jul 2023 03:34:44 PM BST
# gpg: using EDDSA key 17EBFF9923D01800AF2838193CD9CA96DE033164
# gpg: issuer "danielhb413@gmail.com"
# gpg: Good signature from "Daniel Henrique Barboza <danielhb413@gmail.com>" [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: 17EB FF99 23D0 1800 AF28 3819 3CD9 CA96 DE03 3164

* tag 'pull-ppc-20230707-1' of https://gitlab.com/danielhb/qemu: (59 commits)
ppc/pnv: Add QME region for P10
target/ppc: Remove pointless checks of CONFIG_USER_ONLY in 'kvm_ppc.h'
target/ppc: Restrict 'kvm_ppc.h' to sysemu in cpu_init.c
target/ppc: Define TYPE_HOST_POWERPC_CPU in cpu-qom.h
target/ppc: Move CPU QOM definitions to cpu-qom.h
target/ppc: Reorder #ifdef'ry in kvm_ppc.h
target/ppc: Have 'kvm_ppc.h' include 'sysemu/kvm.h'
target/ppc: Machine check on invalid real address access on POWER9/10
tests/qtest: Add xscom tests for powernv10 machine
ppc/pnv: Set P10 core xscom region size to match hardware
ppc/pnv: Log all unimp warnings with similar message
ppc440_pcix: Rename QOM type define abd move it to common header
ppc4xx_pci: Add define for ppc4xx-host-bridge type name
ppc4xx_pci: Rename QOM type name define
ppc440_pcix: Stop using system io region for PCI bus
ppc440_pcix: Don't use iomem for regs
ppc/sam460ex: Remove address_space_mem local variable
ppc440: Remove ppc460ex_pcie_init legacy init function
ppc440: Add busnum property to PCIe controller model
ppc440: Stop using system io region for PCIe buses
...

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

show more ...

pnv/xive: Add property on xive sources to define PQ state on reset

The PQ state of a xive interrupt is always initialized to Q=1, which
means the interrupt is disabled. Since a xive source can be em

pnv/xive: Add property on xive sources to define PQ state on reset

The PQ state of a xive interrupt is always initialized to Q=1, which
means the interrupt is disabled. Since a xive source can be embedded
in many objects, this patch adds a property to allow that behavior to
be refined if needed.

Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20230703081215.55252-2-fbarrat@linux.ibm.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>

show more ...

Merge tag 'pull-ppc-20230626' of https://github.com/legoater/qemu into staging

ppc queue:

* New maintainers
* Nested implementation cleanups
* Various cleanups of the CPU implementation
* SMT suppo

Merge tag 'pull-ppc-20230626' of https://github.com/legoater/qemu into staging

ppc queue:

* New maintainers
* Nested implementation cleanups
* Various cleanups of the CPU implementation
* SMT support for pseries
* Improvements of the XIVE2 TIMA modeling
* Extra avocado tests for pseries

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# gpg: Signature made Mon 26 Jun 2023 07:55:43 AM CEST
# gpg: using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@kaod.org>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: A0F6 6548 F048 95EB FE6B 0B60 51A3 43C7 CFFB ECA1

* tag 'pull-ppc-20230626' of https://github.com/legoater/qemu: (30 commits)
tests/avocado: ppc test VOF bios Linux boot
pnv/xive2: Check TIMA special ops against a dedicated array for P10
pnv/xive2: Add a get_config() method on the presenter class
tests/avocado: Add ppc64 pseries multiprocessor boot tests
tests/avocado: boot ppc64 pseries to Linux VFS mount
spapr: TCG allow up to 8-thread SMT on POWER8 and newer CPUs
hw/ppc/spapr: Test whether TCG is enabled with tcg_enabled()
target/ppc: Add msgsnd/p and DPDES SMT support
target/ppc: Add support for SMT CTRL register
target/ppc: Add initial flags and helpers for SMT support
target/ppc: Fix sc instruction handling of LEV field
target/ppc: Better CTRL SPR implementation
target/ppc: Add ISA v3.1 LEV indication in SRR1 for system call interrupts
target/ppc: Implement HEIR SPR
target/ppc: Add SRR1 prefix indication to interrupt handlers
target/ppc: Change partition-scope translate interface
target/ppc: Fix instruction loading endianness in alignment interrupt
ppc/spapr: Move spapr nested HV to a new file
ppc/spapr: load and store l2 state with helper functions
ppc/spapr: Add a nested state struct
...

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

show more ...

pnv/xive2: Add a get_config() method on the presenter class

The presenters for xive on P9 and P10 are mostly similar but the
behavior can be tuned through a few CQ registers. This patch adds a
"get_

pnv/xive2: Add a get_config() method on the presenter class

The presenters for xive on P9 and P10 are mostly similar but the
behavior can be tuned through a few CQ registers. This patch adds a
"get_config" method, which will allow to access that config from the
presenter in a later patch.
For now, just define the config for the TIMA version.

Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

show more ...

Merge tag 'pull-ppc-20220505' of https://gitlab.com/danielhb/qemu into staging

ppc patch queue for 2022-05-05:

The star of the show in this PR is the 'Remove hidden usages of *env'
work done by Víc

Merge tag 'pull-ppc-20220505' of https://gitlab.com/danielhb/qemu into staging

ppc patch queue for 2022-05-05:

The star of the show in this PR is the 'Remove hidden usages of *env'
work done by Víctor, which impacts a lot of target/ppc code and we want
to get it landed ASAP so future target/ppc contributions can be based on
it.

Other changes:

- XIVE fixes in guest interrupt handling
- BookE debug interrupt fix
- vhost-user TARGET_PPC64 macro fix
- valgrind fixes in kvmppc functions

# -----BEGIN PGP SIGNATURE-----
#
# iHUEABYKAB0WIQQX6/+ZI9AYAK8oOBk82cqW3gMxZAUCYnQbpgAKCRA82cqW3gMx
# ZM1ZAQChjU/oBVDlhrlfInGjOcdXlM4l0R0pDQZ6dm1NYVqcvgD/WRNWj+tQ2H1V
# xmKXSzrGlDyYFu1uozfU8kvYJeHaKgw=
# =eRrg
# -----END PGP SIGNATURE-----
# gpg: Signature made Thu 05 May 2022 01:47:02 PM CDT
# gpg: using EDDSA key 17EBFF9923D01800AF2838193CD9CA96DE033164
# gpg: Good signature from "Daniel Henrique Barboza <danielhb413@gmail.com>" [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: 17EB FF99 23D0 1800 AF28 3819 3CD9 CA96 DE03 3164

* tag 'pull-ppc-20220505' of https://gitlab.com/danielhb/qemu: (30 commits)
target/ppc: Change MSR_* to follow POWER ISA numbering convention
target/ppc: Add unused msr bits FIELDs
target/ppc: Remove msr_de macro
target/ppc: Remove msr_hv macro
target/ppc: Remove msr_ts macro
target/ppc: Remove msr_fe0 and msr_fe1 macros
target/ppc: Remove msr_ep macro
target/ppc: Remove msr_dr macro
target/ppc: Remove msr_ir macro
target/ppc: Remove msr_cm macro
target/ppc: Remove msr_fp macro
target/ppc: Remove msr_gs macro
target/ppc: Remove msr_me macro
target/ppc: Remove msr_pow macro
target/ppc: Remove msr_ce macro
target/ppc: Remove msr_ee macro
target/ppc: Remove msr_ile macro
target/ppc: Remove msr_ds macro
target/ppc: Remove msr_le macro
target/ppc: Remove msr_pr macro
...

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

show more ...

ppc/xive: Update the state of the External interrupt signal

When pulling or pushing an OS context from/to a CPU, we should
re-evaluate the state of the External interrupt signal. Otherwise, we
can e

ppc/xive: Update the state of the External interrupt signal

When pulling or pushing an OS context from/to a CPU, we should
re-evaluate the state of the External interrupt signal. Otherwise, we
can end up catching the External interrupt exception in hypervisor
mode, which is unexpected.

The problem is best illustrated with the following scenario:

1. an External interrupt is raised while the guest is on the CPU.

2. before the guest can ack the External interrupt, an hypervisor
interrupt is raised, for example the Hypervisor Decrementer or
Hypervisor Virtualization interrupt. The hypervisor interrupt forces
the guest to exit while the External interrupt is still pending.

3. the hypervisor handles the hypervisor interrupt. At this point, the
External interrupt is still pending. So it's very likely to be
delivered while the hypervisor is running. That's unexpected and can
result in an infinite loop where the hypervisor catches the External
interrupt, looks for an interrupt in its hypervisor queue, doesn't
find any, exits the interrupt handler with the External interrupt
still raised, repeat...

The fix is simply to always lower the External interrupt signal when
pulling an OS context. It means it needs to be raised again when
re-pushing the OS context. Fortunately, it's already the case, as we
now always call xive_tctx_ipb_update(), which will raise the signal if
needed.

Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com>
Message-Id: <20220429071620.177142-3-fbarrat@linux.ibm.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>

show more ...

Merge remote-tracking branch 'remotes/legoater/tags/pull-ppc-20220302' into staging

ppc-7.0 queue

* ppc/pnv fixes
* PMU EBB support
* target/ppc: PowerISA Vector/VSX instruction batch
* ppc/pnv: Ex

Merge remote-tracking branch 'remotes/legoater/tags/pull-ppc-20220302' into staging

ppc-7.0 queue

* ppc/pnv fixes
* PMU EBB support
* target/ppc: PowerISA Vector/VSX instruction batch
* ppc/pnv: Extension of the powernv10 machine with XIVE2 ans PHB5 models
* spapr allocation cleanups

# gpg: Signature made Wed 02 Mar 2022 11:00:42 GMT
# gpg: using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@kaod.org>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: A0F6 6548 F048 95EB FE6B 0B60 51A3 43C7 CFFB ECA1

* remotes/legoater/tags/pull-ppc-20220302: (87 commits)
hw/ppc/spapr_vio.c: use g_autofree in spapr_dt_vdevice()
hw/ppc/spapr_rtas.c: use g_autofree in rtas_ibm_get_system_parameter()
spapr_pci_nvlink2.c: use g_autofree in spapr_phb_nvgpu_ram_populate_dt()
hw/ppc/spapr_numa.c: simplify spapr_numa_write_assoc_lookup_arrays()
hw/ppc/spapr_drc.c: use g_autofree in spapr_drc_by_index()
hw/ppc/spapr_drc.c: use g_autofree in spapr_dr_connector_new()
hw/ppc/spapr_drc.c: use g_autofree in drc_unrealize()
hw/ppc/spapr_drc.c: use g_autofree in drc_realize()
hw/ppc/spapr_drc.c: use g_auto in spapr_dt_drc()
hw/ppc/spapr_caps.c: use g_autofree in spapr_caps_add_properties()
hw/ppc/spapr_caps.c: use g_autofree in spapr_cap_get_string()
hw/ppc/spapr_caps.c: use g_autofree in spapr_cap_set_string()
hw/ppc/spapr.c: fail early if no firmware found in machine_init()
hw/ppc/spapr.c: use g_autofree in spapr_dt_chosen()
pnv/xive2: Add support for 8bits thread id
pnv/xive2: Add support for automatic save&restore
xive2: Add a get_config() handler for the router configuration
pnv/xive2: Add support XIVE2 P9-compat mode (or Gen1)
ppc/pnv: add XIVE Gen2 TIMA support
pnv/xive2: Introduce new capability bits
...

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

show more ...

ppc/pnv: Add support for PQ offload on PHB5

The PQ_disable configuration bit disables the check done on the PQ
state bits when processing new MSI interrupts. When bit 9 is enabled,
the PHB forwards

ppc/pnv: Add support for PQ offload on PHB5

The PQ_disable configuration bit disables the check done on the PQ
state bits when processing new MSI interrupts. When bit 9 is enabled,
the PHB forwards any MSI trigger to the XIVE interrupt controller
without checking the PQ state bits. The XIVE IC knows from the trigger
message that the PQ bits have not been checked and performs the check
locally.

This configuration bit only applies to MSIs and LSIs are still checked
on the PHB to handle the assertion level.

PQ_disable enablement is a requirement for StoreEOI.

Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

show more ...

ppc/xive: Add support for PQ state bits offload

The trigger message coming from a HW source contains a special bit
informing the XIVE interrupt controller that the PQ bits have been
checked at the s

ppc/xive: Add support for PQ state bits offload

The trigger message coming from a HW source contains a special bit
informing the XIVE interrupt controller that the PQ bits have been
checked at the source or not. Depending on the value, the IC can
perform the check and the state transition locally using its own PQ
state bits.

The following changes add new accessors to the XiveRouter required to
query and update the PQ state bits. This only applies to the PowerNV
machine. sPAPR accessors are provided but the pSeries machine should
not be concerned by such complex configuration for the moment.

Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

show more ...

ppc/xive2: Add support for notification injection on ESB pages

This is an internal offset used to inject triggers when the PQ state
bits are not controlled locally. Such as for LSIs when the PHB5 ar

ppc/xive2: Add support for notification injection on ESB pages

This is an internal offset used to inject triggers when the PQ state
bits are not controlled locally. Such as for LSIs when the PHB5 are
using the Address-Based Interrupt Trigger mode and on the END.

Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

show more ...

Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-6.2-20211021' into staging

ppc patch queue 2021-10-21

Here's the next batch of ppc target related patches for qemu-6.2.
Highlights are:
*

Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-6.2-20211021' into staging

ppc patch queue 2021-10-21

Here's the next batch of ppc target related patches for qemu-6.2.
Highlights are:
* Some fixes and minimal tests for old embedded ppc platforms
* The beginnings of PMU emulation in TCG from Daniel Barboza
* Some improvements to the pegasos2 platform
* A number of TCG bugfixes from the folks at the El Dorado Institute
* A few other assorted bugfixes and cleanups

# gpg: Signature made Wed 20 Oct 2021 09:19:04 PM PDT
# gpg: using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full]
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown]
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full]
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full]

* remotes/dgibson/tags/ppc-for-6.2-20211021: (25 commits)
hw/ppc/ppc4xx_pci: Fix ppc4xx_pci_map_irq() for recent Linux kernels
target/ppc: adding user read/write functions for PMCs
target/ppc: add user read/write functions for MMCR2
target/ppc: add user read/write functions for MMCR0
target/ppc: add MMCR0 PMCC bits to hflags
target/ppc: Filter mtmsr[d] input before setting MSR
tests/acceptance: Add a test for the bamboo ppc board
ppc/pegasos2: Implement power-off RTAS function with VOF
ppc/pegasos2: Add constants for PCI config addresses
ppc/pegasos2: Access MV64361 registers via their memory region
ppc/pegasos2: Implement get-time-of-day RTAS function with VOF
ppc/pegasos2: Warn when using VOF but no kernel is specified
ppc/pegasos2: Restrict memory to 2 gigabytes
target/ppc: Fix XER access in monitor
linux-user: Fix XER access in ppc version of elf_core_copy_regs
target/ppc: Fix XER access in gdbstub
linux-user/ppc: Fix XER access in save/restore_user_regs
tests/acceptance: Add tests for the ppc405 boards
hw/ppc: Fix iothread locking in the 405 code
spapr/xive: Use xive_esb_rw() to trigger interrupts
...

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

show more ...

spapr/xive: Add source status helpers

and use them to set and test the ASSERTED bit of LSI sources.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20211004212141.432954-1-clg@kaod.org>

spapr/xive: Add source status helpers

and use them to set and test the ASSERTED bit of LSI sources.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20211004212141.432954-1-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

show more ...

Merge remote-tracking branch 'remotes/dg-gitlab/tags/ppc-for-6.2-20210930' into staging

ppc patch queue for 2021-09-30

Here's the next batch of ppc related patches for qemu-6.2. Highlights
are:
*

Merge remote-tracking branch 'remotes/dg-gitlab/tags/ppc-for-6.2-20210930' into staging

ppc patch queue for 2021-09-30

Here's the next batch of ppc related patches for qemu-6.2. Highlights
are:
* Fixes for several TCG math instructions from the El Dorado Institute
* A number of improvements to the powernv machine type
* Support for a new DEVICE_UNPLUG_GUEST_ERROR QAPI event from Daniel
Barboza
* Support for the new FORM2 PAPR NUMA representation. This allows
more specific NUMA distances, as well as asymmetric configurations
* Fix for 64-bit decrementer (used on MicroWatt CPUs)
* Assorted fixes and cleanups
* A number of updates to MAINTAINERS

Note that the DEVICE_UNPLUG_GUEST_ERROR stuff includes changes to
files outside my normal area, but has suitable Acks.

The MAINTAINERS updates are mostly about marking minor platforms
unmaintained / orphaned, and moving some pieces away from myself and
Greg. As we move onto other projects, we're going to need to drop
more of the ppc maintainership, though we're hoping we can avoid too
abrupt a change.

# gpg: Signature made Thu 30 Sep 2021 06:42:41 BST
# gpg: using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full]
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full]
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full]
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown]
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392

* remotes/dg-gitlab/tags/ppc-for-6.2-20210930: (44 commits)
MAINTAINERS: Demote sPAPR from "Supported" to "Maintained"
MAINTAINERS: Add information for OpenPIC
MAINTAINERS: Remove David & Greg as reviewers/co-maintainers of powernv
MAINTAINERS: Orphan obscure ppc platforms
MAINTAINERS: Remove David & Greg as reviewers for a number of boards
MAINTAINERS: Remove machine specific files from ppc TCG CPUs entry
spapr/xive: Fix kvm_xive_source_reset trace event
spapr_numa.c: fixes in spapr_numa_FORM2_write_rtas_tables()
hw/intc: openpic: Clean up the styles
hw/intc: openpic: Drop Raven related codes
hw/intc: openpic: Correct the reset value of IPIDR for FSL chipset
target/ppc: Fix 64-bit decrementer
target/ppc: Convert debug to trace events (decrementer and IRQ)
spapr_numa.c: handle auto NUMA node with no distance info
spapr_numa.c: FORM2 NUMA affinity support
spapr: move FORM1 verifications to post CAS
spapr_numa.c: rename numa_assoc_array to FORM1_assoc_array
spapr_numa.c: parametrize FORM1 macros
spapr_numa.c: scrap 'legacy_numa' concept
spapr_numa.c: split FORM1 code into helpers
...

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

show more ...

ppc/xive: Export xive_tctx_word2() helper

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20210901094153.227671-8-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

ppc/xive: Export priority_to_ipb() helper

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20210901094153.227671-7-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

Merge remote-tracking branch 'remotes/dg-gitlab/tags/ppc-for-6.2-20210827' into staging

ppc patch queue 2021-08-27

First ppc pull request for qemu-6.2. As usual, there's a fair bit
here, since it'

Merge remote-tracking branch 'remotes/dg-gitlab/tags/ppc-for-6.2-20210827' into staging

ppc patch queue 2021-08-27

First ppc pull request for qemu-6.2. As usual, there's a fair bit
here, since it's been queued during the 6.1 freeze. Highlights are:

* Some fixes for 128 bit arithmetic and some vector opcodes that use
them
* Significant improvements to the powernv to support POWER10 cpus
(more to come though)
* Several cleanups to the ppc softmmu code
* A few other assorted fixes

# gpg: Signature made Fri 27 Aug 2021 08:09:12 BST
# gpg: using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full]
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full]
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full]
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown]
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392

* remotes/dg-gitlab/tags/ppc-for-6.2-20210827:
target/ppc: fix vector registers access in gdbstub for little-endian
include/qemu/int128.h: introduce bswap128s
target/ppc: fix vextu[bhw][lr]x helpers
include/qemu/int128.h: define struct Int128 according to the host endianness
ppc/xive: Export xive_presenter_notify()
ppc/xive: Export PQ get/set routines
ppc/pnv: add a chip topology index for POWER10
ppc/pnv: Distribute RAM among the chips
ppc/pnv: Use a simple incrementing index for the chip-id
ppc/pnv: powerpc_excp: Do not discard HDECR exception when entering power-saving mode
ppc/pnv: Change the POWER10 machine to support DD2 only
ppc: Add a POWER10 DD2 CPU
ppc/pnv: update skiboot to commit 820d43c0a775.
target/ppc: moved store_40x_sler to helper_regs.c
target/ppc: moved ppc_store_sdr1 to mmu_common.c
target/ppc: divided mmu_helper.c in 2 files
spapr_pci: Fix leak in spapr_phb_vfio_get_loc_code() with g_autofree
xive: Remove extra '0x' prefix in trace events

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

show more ...

ppc/xive: Export xive_presenter_notify()

It's generic enough to be used from the XIVE2 router and avoid more
duplication.

Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Cédric Le Goater <cl

ppc/xive: Export xive_presenter_notify()

It's generic enough to be used from the XIVE2 router and avoid more
duplication.

Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20210809134547.689560-9-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

show more ...