Commit Graph

37321 Commits

Author SHA1 Message Date
Peter Maydell 9a7b0a8618 aspeed queue:
* Fixed eMMC size calculation
 * Fixed IRQ definitions on AST2700
 * Added RTC support to AST2700
 * Fixed timer IRQ status on AST2600
 * Improved SDHCI model with new registers
 * Added -nodefaults support to AST1030
 * Provided a way to use an eMMC device without boot partitions
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Merge tag 'pull-aspeed-20241104' of https://github.com/legoater/qemu into staging

aspeed queue:

* Fixed eMMC size calculation
* Fixed IRQ definitions on AST2700
* Added RTC support to AST2700
* Fixed timer IRQ status on AST2600
* Improved SDHCI model with new registers
* Added -nodefaults support to AST1030
* Provided a way to use an eMMC device without boot partitions

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# gpg: Signature made Mon 04 Nov 2024 10:35:54 GMT
# gpg:                using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@redhat.com>" [full]
# gpg:                 aka "Cédric Le Goater <clg@kaod.org>" [full]
# Primary key fingerprint: A0F6 6548 F048 95EB FE6B  0B60 51A3 43C7 CFFB ECA1

* tag 'pull-aspeed-20241104' of https://github.com/legoater/qemu:
  aspeed: Don't set always boot properties of the emmc device
  aspeed: Support create flash devices via command line for AST1030
  hw/sd/aspeed_sdhci: Introduce Capabilities Register 2 for SD slot 0 and 1
  hw/timer/aspeed: Fix interrupt status does not be cleared for AST2600
  hw/timer/aspeed: Fix coding style
  aspeed/soc: Support RTC for AST2700
  hw/arm/aspeed_ast27x0: Avoid hardcoded '256' in IRQ calculation
  hw/arm/aspeed_ast27x0: Use bsa.h for PPI definitions
  hw/sd/sdcard: Fix calculation of size when using eMMC boot partitions
  hw/arm: enable at24c with aspeed

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-11-05 10:06:08 +00:00
Peter Maydell 6b829602e2 * 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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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>
2024-11-05 10:05:59 +00:00
Peter Maydell 11b8920ed2 * Remove the redundant macOS-15 CI job
* Various fixes, improvements and additions for the functional test suite
 * Restore the sh4eb target
 * Fix the OpenBSD VM test
 * Re-enable the pci-bridge device on s390x
 * Minor clean-ups / fixes for the next-cube machine
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Merge tag 'pull-request-2024-11-04' of https://gitlab.com/thuth/qemu into staging

* Remove the redundant macOS-15 CI job
* Various fixes, improvements and additions for the functional test suite
* Restore the sh4eb target
* Fix the OpenBSD VM test
* Re-enable the pci-bridge device on s390x
* Minor clean-ups / fixes for the next-cube machine

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# gpg: Signature made Mon 04 Nov 2024 13:22:12 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-2024-11-04' of https://gitlab.com/thuth/qemu:
  tests/functional: Convert the OrangePi tests to the functional framework
  tests/functional: Convert BananaPi tests to the functional framework
  tests/functional: Convert the tcg_plugins test
  next-cube: remove cpu parameter from next_scsi_init()
  next-cube: fix up compilation when DEBUG_NEXT is enabled
  hw/s390x: Re-enable the pci-bridge device on s390x
  tests/functional: Fix the s390x and ppc64 tuxrun tests
  tests/vm/openbsd: Remove the "Time appears wrong" workaround
  tests/functional: Add a test for sh4eb
  Revert "Remove the unused sh4eb target"
  tests/functional: make cached asset files read-only
  tests/functional: make tuxrun disk images writable
  .gitlab-ci.d/cirrus: Remove the macos-15 job

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-11-04 17:37:59 +00:00
Peter Maydell ee057a9f29 pull-loongarch-20241102
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Merge tag 'pull-loongarch-20241102' of https://gitlab.com/gaosong/qemu into staging

pull-loongarch-20241102

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# gpg: Signature made Sat 02 Nov 2024 07:57:18 GMT
# gpg:                using RSA key B8FF1DA0D2FDCB2DA09C6C2C40A2FFF239263EDF
# gpg: Good signature from "Song Gao <m17746591750@163.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: B8FF 1DA0 D2FD CB2D A09C  6C2C 40A2 FFF2 3926 3EDF

* tag 'pull-loongarch-20241102' of https://gitlab.com/gaosong/qemu:
  target/loongarch: Add steal time support on migration
  hw/loongarch/boot: Use warn_report when no kernel filename
  linux-headers: Update to Linux v6.12-rc5
  linux-headers: loongarch: Add kvm_para.h
  linux-headers: Add unistd_64.h
  target/loongarch/kvm: Implement LoongArch PMU extension
  target/loongarch: Implement lbt registers save/restore function
  target/loongarch: Add loongson binary translation feature

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-11-04 16:01:10 +00:00
Mark Cave-Ayland f5b47c7aa2 next-cube: remove cpu parameter from next_scsi_init()
The parameter is not used.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241023085852.1061031-5-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-11-04 14:16:11 +01:00
Mark Cave-Ayland 39734497a3 next-cube: fix up compilation when DEBUG_NEXT is enabled
These were accidentally introduced by my last series.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241023085852.1061031-2-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-11-04 14:16:11 +01:00
Thomas Huth bc9da794cc hw/s390x: Re-enable the pci-bridge device on s390x
Commit e779e5c05a ("hw/pci-bridge: Add a Kconfig switch for the
normal PCI bridge") added a config switch for the pci-bridge, so
that the device is not included in the s390x target anymore (since
the pci-bridge is not really useful on s390x).

However, it seems like libvirt is still adding pci-bridge devices
automatically to the guests' XML definitions (when adding a PCI
device to a non-zero PCI bus), so these guests are now broken due
to the missing pci-bridge in the QEMU binary.

To avoid disruption of the users, let's re-enable the pci-bridge
device on s390x for the time being.

Message-ID: <20241024130405.62134-1-thuth@redhat.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-11-04 14:16:11 +01:00
Peter Maydell cbad455118 Migration pull request for softfreeze
v2:
 - Patch "migration: Move cpu-throttle.c from system to migration",
   fix build on MacOS, and subject spelling
 
 NOTE: checkpatch.pl could report a false positive on this branch:
 
   WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
   #21:
    {include/sysemu => migration}/cpu-throttle.h | 0
 
 That's covered by "F: migration/" entry.
 
 Changelog:
 
 - Peter's cleanup patch on migrate_fd_cleanup()
 - Peter's cleanup patch to introduce thread name macros
 - Hanna's error path fix for vmstate subsection save()s
 - Hyman's auto converge enhancement on background dirty sync
 - Peter's additional tracepoints for save state entries
 - Thomas's build fix for OpenBSD in dirtyrate.c
 - Peter's deprecation of query-migrationthreads command
 - Peter's cleanup/fixes from the "export misc.h" series
 - Maciej's two small patches from multifd+vfio series
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Merge tag 'migration-20241030-pull-request' of https://gitlab.com/peterx/qemu into staging

Migration pull request for softfreeze

v2:
- Patch "migration: Move cpu-throttle.c from system to migration",
  fix build on MacOS, and subject spelling

NOTE: checkpatch.pl could report a false positive on this branch:

  WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
  #21:
   {include/sysemu => migration}/cpu-throttle.h | 0

That's covered by "F: migration/" entry.

Changelog:

- Peter's cleanup patch on migrate_fd_cleanup()
- Peter's cleanup patch to introduce thread name macros
- Hanna's error path fix for vmstate subsection save()s
- Hyman's auto converge enhancement on background dirty sync
- Peter's additional tracepoints for save state entries
- Thomas's build fix for OpenBSD in dirtyrate.c
- Peter's deprecation of query-migrationthreads command
- Peter's cleanup/fixes from the "export misc.h" series
- Maciej's two small patches from multifd+vfio series

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# gpg: Signature made Fri 01 Nov 2024 13:44:53 GMT
# gpg:                using EDDSA key B9184DC20CC457DACF7DD1A93B5FCCCDF3ABD706
# gpg:                issuer "peterx@redhat.com"
# gpg: Good signature from "Peter Xu <xzpeter@gmail.com>" [marginal]
# gpg:                 aka "Peter Xu <peterx@redhat.com>" [marginal]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: B918 4DC2 0CC4 57DA CF7D  D1A9 3B5F CCCD F3AB D706

* tag 'migration-20241030-pull-request' of https://gitlab.com/peterx/qemu:
  migration/multifd: Zero p->flags before starting filling a packet
  migration/ram: Add load start trace event
  migration: Drop migration_is_idle()
  migration: Drop migration_is_setup_or_active()
  migration: Unexport ram_mig_init()
  migration: Unexport dirty_bitmap_mig_init()
  migration: Take migration object refcount earlier for threads
  migration: Deprecate query-migrationthreads command
  migration/dirtyrate: Silence warning about strcpy() on OpenBSD
  tests/migration: Add case for periodic ramblock dirty sync
  migration: Support periodic RAMBlock dirty bitmap sync
  migration: Remove "rs" parameter in migration_bitmap_sync_precopy
  migration: Move cpu-throttle.c from system to migration
  migration: Stop CPU throttling conditionally
  accel/tcg/icount-common: Remove the reference to the unused header file
  migration: Ensure vmstate_save() sets errp
  migration: Put thread names together with macros
  migration: Cleanup migrate_fd_cleanup() on accessing to_dst_file

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-11-04 12:31:45 +00:00
Cédric Le Goater e8f3acdbb8 aspeed: Don't set always boot properties of the emmc device
Commit e554e45b44 ("aspeed: Tune eMMC device properties to reflect
HW strapping") added support to boot from an eMMC device by setting
the boot properties of the eMMC device. This change made the
assumption that the device always has boot areas.

However, if the machine boots from the flash device (or -kernel) and
uses an eMMC device without boot areas, support would be broken. This
impacts the ast2600-evb machine which can choose to boot from flash or
eMMC using the "boot-emmc" machine option.

To provide some flexibility for Aspeed machine users to use different
flavors of eMMC devices (with or without boot areas), do not set the
eMMC device boot properties when the machine is not configured to boot
from eMMC. However, this approach makes another assumption about eMMC
devices, namely that eMMC devices from which the machine does not boot
do not have boot areas.

A preferable alternative would be to add support for user creatable
eMMC devices and define the device boot properties on the QEMU command
line :

  -blockdev node-name=emmc0,driver=file,filename=mmc-ast2600-evb.raw \
  -device emmc,bus=sdhci-bus.2,drive=emmc0,boot-partition-size=1048576,boot-config=8

This is a global change requiring more thinking. Nevertheless, in the
case of the ast2600-evb machine booting from an eMMC device and when
default devices are created, the proposed change still makes sense
since the device is required to have boot areas.

Cc: Jan Luebbe <jlu@pengutronix.de>
Fixes: e554e45b44 ("aspeed: Tune eMMC device properties to reflect
HW strapping")
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Jan Luebbe <jlu@pengutronix.de>
Acked-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-11-04 11:33:13 +01:00
Jamin Lin 22b3c557ff aspeed: Support create flash devices via command line for AST1030
Add a "if-statement" in aspeed_minibmc_machine_init function. If users add
"-nodefaults" in command line, the flash devices should be created by users
setting. Otherwise, the flash devices are created at machine init.

Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
2024-11-04 11:33:13 +01:00
Jamin Lin 53b3169269 hw/sd/aspeed_sdhci: Introduce Capabilities Register 2 for SD slot 0 and 1
The size of SDHCI capabilities register is 64bits, so introduces new
Capabilities Register 2 for SD slot 0 (0x144) and SD slot1 (0x244).

Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
[ clg: Fixed code alignment ]
Signed-off-by: Cédric Le Goater <clg@redhat.com>
2024-11-04 11:33:13 +01:00
Jamin Lin d3d6def468 hw/timer/aspeed: Fix interrupt status does not be cleared for AST2600
According to the datasheet of AST2600 description, interrupt status set by HW
and clear to "0" by software writing "1" on the specific bit.

Therefore, if firmware set the specific bit "1" in the interrupt status
register(0x34), the specific bit of "s->irq_sts" should be cleared 0.

Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Fixes: fadefada4d ("aspeed/timer: Add support for IRQ status register on the AST2600")
Reviewed-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
2024-11-04 11:33:13 +01:00
Jamin Lin 82a919f8f1 hw/timer/aspeed: Fix coding style
Fix coding style issues from checkpatch.pl

Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
2024-11-04 11:33:13 +01:00
Jamin Lin fc2693cc35 aspeed/soc: Support RTC for AST2700
The RTC controller between AST2600 and AST2700 are identical. Add RTC model for
AST2700 RTC support. The RTC controller registers base address is start at
0x12C0_F000 and its alarm interrupt is connected to GICINT13.

Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
2024-11-04 11:33:13 +01:00
Peter Maydell 1f67508c1c hw/arm/aspeed_ast27x0: Avoid hardcoded '256' in IRQ calculation
When calculating the index into the GIC's GPIO array for per-CPU
interrupts, we have to start with the number of SPIs.  The code
currently hard-codes this to 'NUM_IRQS = 256'.  However the number of
SPIs is set separately and implicitly by the value of
AST2700_MAX_IRQ, which is the number of SPIs plus 32 (since it is
what we set the GIC num-irq property to).

Define AST2700_MAX_IRQ as the total number of SPIs; this brings
AST2700 into line with AST2600, which defines AST2600_MAX_IRQ as the
number of SPIs not including the 32 internal interrupts.  We can then
use AST2700_MAX_IRQ instead of the hardcoded 256.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-11-04 11:33:13 +01:00
Peter Maydell ed680effe3 hw/arm/aspeed_ast27x0: Use bsa.h for PPI definitions
Use the private peripheral interrupt definitions from bsa.h instead
of defining them locally.

Note that bsa.h defines these values as INTID values, which are all
16 greater than the PPI values that we were previously using.  So we
refactor the code to use INTID-based values to match that.

This is the same thing we did in commit d40ab068c0 for sbsa-ref.
It removes the "same constant, different values" confusion where this
board code and bsa.h both define an ARCH_GIC_MAINT_IRQ, and allows us
to use symbolic names for the timer interrupt IDs.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-11-04 11:33:13 +01:00
Jan Luebbe c078298301 hw/sd/sdcard: Fix calculation of size when using eMMC boot partitions
The sd_bootpart_offset() function calculates the *runtime* offset which
changes as the guest switches between accessing the main user data area
and the boot partitions by writing to the EXT_CSD_PART_CONFIG_ACC_MASK
bits, so it shouldn't be used to calculate the main user data area size.

Instead, subtract the boot_part_size directly (twice, as there are two
identical boot partitions defined by the eMMC spec).

Suggested-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Jan Luebbe <jlu@pengutronix.de>
Fixes: c8cb19876d ("hw/sd/sdcard: Support boot area in emmc image")
Tested-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
2024-11-04 11:33:13 +01:00
Patrick Leis deb771d8f3 hw/arm: enable at24c with aspeed
Enable AT24C with ASPEED in the KConfig because the boards build this
device.

Signed-off-by: Patrick Leis <venture@google.com>
Reviewed-by: Hao Wu <wuhaotsh@google.com>
Reviewed-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-11-04 11:33:13 +01:00
BALATON Zoltan afff880071 hw/ppc: Consolidate ppc440 initial mapping creation functions
Add a utility function and use it to replace very similar
create_initial_mapping functions in 440 based machines.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Tested-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
2024-11-04 10:09:36 +10:00
BALATON Zoltan 779a30df98 hw/ppc: Consolidate e500 initial mapping creation functions
Add booke206_set_tlb() utility function and use it to replace very
similar create_initial_mapping functions in e500 machines.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Tested-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
2024-11-04 10:09:36 +10:00
Michael Kowal 85eed50753 pnv/xive2: TIMA CI ops using alternative offsets or byte lengths
Some of the TIMA Special CI operations perform the same operation at
alternative byte offsets and lengths.  The following
xive2_tm_opertions[] table entries are missing when they exist for
other offsets/sizes and have been added:
- lwz@0x810 Pull/Invalidate O/S Context to register    added
  lwz@0x818                                            exists
  ld @0x818                                            exists
- lwz@0x820 Pull Pool Context to register              added
  lwz@0x828                                            exists
  ld @0x828                                            exists
- lwz@0x830 Pull Thread Context to register            added
  lbz@0x838                                            exists

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>
2024-11-04 09:14:54 +10:00
Glenn Miles 4598ed2545 pnv/xive2: TIMA support for 8-byte OS context push for PHYP
PHYP uses 8-byte writes to the 2nd doubleword of the OS context
line when dispatching an OS level virtual processor.  This
support was not used by OPAL/Linux and so was never added.

Without this support, the XIVE code doesn't notice that a new
context is being pushed and fails to check for unpresented
pending interrupts for that context.

Signed-off-by: Glenn Miles <milesg@linux.vnet.ibm.com>
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>
2024-11-04 09:14:52 +10:00
Glenn Miles 4153139319 pnv/xive: Update PIPR when updating CPPR
Current code was updating the PIPR inside the xive_tctx_accept() function
instead of the xive_tctx_set_cppr function, which is where the HW would
have it updated.

Moved the update to the xive_tctx_set_cppr function which required
additional support for pool interrupts.

Fixes: cdd4de68ed ("ppc/xive: notify the CPU when the interrupt priority is more privileged")
Signed-off-by: Glenn Miles <milesg@linux.vnet.ibm.com>
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>
2024-11-04 09:14:48 +10:00
Glenn Miles a9bb09678a pnv/xive: Add special handling for pool targets
Hypervisor "pool" targets do not get their own interrupt line and instead
must share an interrupt line with the hypervisor "physical" targets.
This also means that the pool ring must use some of the registers from the
physical ring in the TIMA.  Specifically, the NSR, PIPR and CPPR registers:

  NSR = Notification Source Register
  PIPR = Post Interrupt Priority Register
  CPPR = Current Processor Priority Register

The NSR specifies that there is an active interrupt.  The CPPR
specifies the priority of the context and the PIPR specifies the
priority of the interrupt.  For an interrupt to be presented to
a context, the priority of the interrupt must be higher than the
priority of the context it is interrupting (value must be lower).

The existing code was not aware of the sharing of these registers.
This commit adds that support.

Signed-off-by: Glenn Miles <milesg@linux.vnet.ibm.com>
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>
2024-11-04 09:14:45 +10:00
Glenn Miles 81939a9211 ppc/xive2: Support "Pull Thread Context to Odd Thread Reporting Line"
Adds support for single byte writes to offset 0xC38 of the TIMA address
space.  When this offset is written to, the hardware disables the thread
context and copies the current state information to the odd cache line of
the pair specified by the NVT structure indexed by the THREAD CAM entry.

Note that this operation is almost identical to what we are already doing
for the "Pull OS Context to Odd Thread Reporting Line" operation except
that it also invalidates the Pool and Thread Contexts.

Signed-off-by: Glenn Miles <milesg@linux.vnet.ibm.com>
Signed-off-by: Michael Kowal <kowal@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
2024-11-04 09:14:43 +10:00
Michael Kowal 00a7a7a548 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>
2024-11-04 09:14:42 +10:00
Glenn Miles f82fec6c1f ppc/xive2: Support "Pull Thread Context to Register" operation
Adds support for single byte read of offset 0x838 of the TIMA address
space.  According to the XIVE2 Specification, this causes the hardware
to atomically:
  1. Read the number of bytes requested (lbz or lhz are supported).
  2. Reset the valid bit of the thread context.
  3. Return the number of bytes requested in step 1 to a register.

Signed-off-by: Glenn Miles <milesg@linux.vnet.ibm.com>
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>
2024-11-04 09:14:39 +10:00
Glenn Miles cfe9a7f286 ppc/xive2: Allow 1-byte write of Target field in TIMA
When running PowerVM, the console is littered with XIVE traces regarding
invalid writes to TIMA address 0x100b6 due to a lack of support for writes
to the "TARGET" field which was added for XIVE GEN2.  To fix this, we add
special op support for 1-byte writes to this field.

Signed-off-by: Glenn Miles <milesg@linux.vnet.ibm.com>
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>
2024-11-04 09:14:37 +10:00
Frederic Barrat 76798e12df ppc/xive2: Dump the VP-group and crowd tables with 'info pic'
The 'info pic' HMP command dumps the state of the interrupt controller.
Add the dump of the NVG and NVC tables to its output to ease debug.

Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com>
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>
2024-11-04 09:14:35 +10:00
Frederic Barrat cfeafb0d8c ppc/xive2: Dump more NVP state with 'info pic'
The 'PGoFirst' field of a Notify Virtual Processor tells if the NVP
belongs to a VP group.

Also, print the Reporting Cache Line address, if defined.

Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com>
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>
2024-11-04 09:14:29 +10:00
Glenn Miles aa90c209bf pnv/xive2: Support for "OS LGS Push" TIMA operation
Adds support for single byte writes to offset 0x15 of the TIMA address
space.  This offset holds the Logical Server Group Size (LGS) field.
The field is used to evenly distribute the interrupt load among the
members of a group, but is unused in the current implementation so we
just support the writing of the value for now.

Signed-off-by: Glenn Miles <milesg@linux.vnet.ibm.com>
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>
2024-11-04 09:14:28 +10:00
Frederic Barrat cebfeb9e56 ppc/xive2: Support TIMA "Pull OS Context to Odd Thread Reporting Line"
Adds support for single byte writes to offset 0xC18 of the TIMA address
space.  When this offset is written to, the hardware disables the OS
context and copies the current state information to the odd cache line
of the pair specified by the NVT structure indexed by the OS CAM entry.

Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com>
Signed-off-by: Michael Kowal <kowal@linux.vnet.ibm.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
2024-11-04 09:14:24 +10:00
Frederic Barrat b9deafe7bf pnv/xive2: Define OGEN field in the TIMA
The OGEN field at offset 0x1F is a new field for Gen2 TIMA. This
patch defines it.

Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com>
Signed-off-by: Michael Kowal <kowal@linux.vnet.ibm.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
2024-11-04 09:14:21 +10:00
Michael Kowal a53304639a pnv/xive: TIMA patch sets pre-req alignment and formatting changes
Making some pre-requisite alignment changes ahead of the following patch
sets.  Making these changes now will ease the review of the patch sets.

Checkpatch wants the closing comment '*/' on a separate line, unless it is
on the same line as the starting comment '/*'.

There are also changes to prevent lines from spanning 80 columns.

Changed block of defines from:
   #define A 1  /* original define comment is not
                 * preferred, but not flagged... */
   #define B 2  /* Newly added define comment
                 * is flagged with a warning */
To:
   #define A 1  /* original define comment is */
                /* now fine, no warning...    */
   #define B 2  /* Newly added define comment */
                /* is fine...                 */

Signed-off-by: Michael Kowal <kowal@linux.vnet.ibm.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
2024-11-04 09:14:15 +10:00
Nicholas Piggin 07f2770503 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>
2024-11-04 09:14:10 +10:00
Aditya Gupta 889c5c4c7a hw/ppc: Implement -dtb support for PowerNV
Currently any device tree passed with -dtb option in QEMU, was ignored
by the PowerNV code.

Read and pass the passed -dtb to the kernel, thus enabling easier
debugging with custom DTBs.

The existing behaviour when -dtb is 'not' passed, is preserved as-is.

But when a '-dtb' is passed, it completely overrides any dtb nodes or
changes QEMU might have done, such as '-append' arguments to the kernel
(which are mentioned in /chosen/bootargs in the dtb), hence add warning
when -dtb is being used

Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Aditya Gupta <adityag@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
2024-11-04 09:14:09 +10:00
Amit Machhiwal 6fb6f3096a spapr: nested: Add Power11 capability support for Nested PAPR guests in TCG L0
The Power11 architected and raw mode support in Linux was merged via [1]
and the corresponding support in QEMU is waiting to be added by [2]
which in V6 currently.

Add the Power11 capabilities and the required handling in TCG L0
implementation of the "Nested PAPR API".

Note: This patch is based on [2].

[1] https://lore.kernel.org/all/20240221044623.1598642-1-mpe@ellerman.id.au/
[2] https://lore.kernel.org/all/20240731055022.696051-1-adityag@linux.ibm.com/

Signed-off-by: Amit Machhiwal <amachhiw@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
2024-11-04 09:14:02 +10:00
Amit Machhiwal 1d7e6318af spapr: nested: Add support for DPDES SPR in GSB for TCG L0
The DPDES support for doorbell emulation and handling for KVM on PAPR
guests was added in Linux via [1]. Subsequently, a new GSB (Guest State
Buffer) element for DPDES was added in Linux; the same has been missing
in TCG L0 implementation. Add support for DPDES register's APIv2 GSB
element and required handling in `spapr_nested.c`.

Currently, booting a KVM guest inside a QEMU TCG guest fails with the
following crash. The crash occurs while handling the GUEST_RUN_VCPU
hcall made in TCG L0. In the hcall handling path, map_and_getset_state()
calls getset_state(), which, in turn, calls guest_state_request_check()
to validate the GSR (Guest State Request) elements. During this process,
guest_state_request_check() iterates over the GSR elements and receives
a NULL return code from guest_state_element_type_find() for the type
variable corresponding to the DPDES register's elemetn ID (which was
unknown to TCG L0). Subsequently, getset_state() returns H_P3,
ultimately leading to the hcall failure and causing the KVM guest to
crash.

  KVM: unknown exit, hardware reason ffffffffffffffea
  [ ... KVM register dump ... ]

Fix this by adding the required support in TCG L0 implementation of
APIv2.

[1] https://lore.kernel.org/all/20240605113913.83715-1-gautam@linux.ibm.com/

Fixes: 4a575f9a05 ("spapr: nested: Initialize the GSB elements lookup table.")
Suggested-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: Amit Machhiwal <amachhiw@linux.ibm.com>
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
2024-11-04 09:13:01 +10:00
Aditya Gupta 273db89bca ppc/pseries: Add Power11 cpu type
Add sPAPR CPU Core definition for Power11

Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Aditya Gupta <adityag@linux.ibm.com>
Tested-by: Amit Machhiwal <amachhiw@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
2024-11-04 09:12:47 +10:00
Harsh Prateek Bora c1a13064e3 ppc/spapr: remove deprecated machine pseries-2.12
Commit 0cac0f1b96 marked pseries-2.12 machines as deprecated
with reasons mentioned in its commit log.
Removing pseries-2.12 specific code with this patch.

While at it, also remove pre-3.0-migration hacks introduced for backward
compatibility which are now turned useless.

Suggested-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
2024-11-04 09:10:32 +10:00
Harsh Prateek Bora 74801c0537 ppc/spapr: remove deprecated machine pseries-2.12-sxxm
Commit 0cac0f1b96 marked pseries-2.12 machines as deprecated
with reasons mentioned in its commit log.
Removing pseries-2.12-sxxm specific code with this patch.

Suggested-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
2024-11-04 09:10:31 +10:00
Harsh Prateek Bora 28f9f87ec4 ppc/spapr: remove deprecated machine pseries-2.11
Commit 1392617d35 intended to tag pseries-2.1 - 2.11 machines as
deprecated with reasons mentioned in its commit log.
Removing pseries-2.11 specific code with this patch.

Suggested-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
2024-11-04 09:10:30 +10:00
Harsh Prateek Bora 4bc0d3dc7b ppc/spapr: remove deprecated machine pseries-2.10
Commit 1392617d35 intended to tag pseries-2.1 - 2.11 machines as
deprecated with reasons mentioned in its commit log.
Removing pseries-2.10 specific code with this patch for now.

Suggested-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
2024-11-04 09:10:29 +10:00
Harsh Prateek Bora 24ee9229fe ppc/spapr: remove deprecated machine pseries-2.9
Commit 1392617d35 intended to tag pseries-2.1 - 2.11 machines as
deprecated with reasons mentioned in its commit log.
Removing pseries-2.9 specific code with this patch for now.

While at it, also remove the pre-2.10 migration hacks which now become
obsolete.

Suggested-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
2024-11-04 09:10:29 +10:00
Harsh Prateek Bora 4ca656075d ppc/spapr: remove deprecated machine pseries-2.8
Commit 1392617d35 intended to tag pseries-2.1 - 2.11 machines as
deprecated with reasons mentioned in its commit log.
Removing pseries-2.8 specific code with this patch for now.

Suggested-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
2024-11-04 09:10:28 +10:00
Harsh Prateek Bora 445d3facff ppc/spapr: remove deprecated machine pseries-2.7
Commit 1392617d35 intended to tag pseries-2.1 - 2.11 machines as
deprecated with reasons mentioned in its commit log.
Removing pseries-2.7 specific code with this patch for now.

While at it, also remove pre-2.8-migration and pci/mmio hacks introduced
for backward compatibility.

Suggested-by: Cédric Le Goater <clg@kaod.org>
Acked-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
2024-11-04 09:10:27 +10:00
Harsh Prateek Bora 73700ec309 ppc/spapr: remove deprecated machine pseries-2.6
Commit 1392617d35 intended to tag pseries-2.1 - 2.11 machines as
deprecated with reasons mentioned in its commit log.
Removing pseries-2.6 specific code with this patch for now.

Suggested-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
2024-11-04 09:10:26 +10:00
Harsh Prateek Bora 615ab788a5 ppc/spapr: remove deprecated machine pseries-2.5
Commit 1392617d35 intended to tag pseries-2.1 - 2.11 machines as
deprecated with reasons mentioned in its commit log.
Removing pseries-2.5 specific code with this patch for now.

Also drop sPAPRMachineClass::use_ohci_by_default which is now useless.

Suggested-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
2024-11-04 09:10:25 +10:00
Harsh Prateek Bora c447bb1ad4 ppc/spapr: remove deprecated machine pseries-2.4
Commit 1392617d35 intended to tag pseries-2.1 - 2.11 machines as
deprecated with reasons mentioned in its commit log.
Removing pseries-2.4 specific code with this patch for now.

While at it, also remove SpaprMachineClass::dr_lmb_enabled which is
now turned useless.

Suggested-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
2024-11-04 09:10:24 +10:00
Harsh Prateek Bora b89c746c22 ppc/spapr: remove deprecated machine pseries-2.3
Commit 1392617d35 intended to tag pseries-2.1 - 2.11 machines as
deprecated with reasons mentioned in its commit log.
Removing pseries-2.3 specific code with this patch for now.

While at it, also remove the dynamic-reconfiguration option which was
introduced to disable it by default for legacy machines until pseries-2.3.

Suggested-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
2024-11-04 09:10:20 +10:00