So far we only have compile coverage for tci. But since commit
2f160e0f97 ("tci: Add implementation
for INDEX_op_ld16u_i64") has been included now, we can also run the
"tcg" and "qtest" tests with tci, so let's enable them in Travis now.
Since we don't gain much additional test coverage by compiling all
targets, and TCI is broken e.g. with the Sparc targets, we also limit
the target list to a reasonable subset now (which should still get us
test coverage by tests/boot-serial-test for example).
Tested-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20191204083133.6198-1-thuth@redhat.com>
[AJB: just --enable-debug-tcg]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
By default VM build test use qemu-img from system's PATH to
create the image disk. Due the lack of qemu-img on the system
or the desire to simply use a version built with QEMU, it would
be nice to allow one to set its path. So this patch makes that
possible by reading the path to qemu-img from QEMU_IMG if set,
otherwise it fallback to default behavior.
Signed-off-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Message-Id: <20191114134246.12073-2-wainersm@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Our docker infrastructure isn't quite as multiarch as we would wish so
lets allow the user to disable it if they want. This will allow us to
use still run check-tcg on non-x86 CI setups.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Tested-by: Cleber Rosa <crosa@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Richard Henderson <richard.henderson@linaro.org>
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Merge remote-tracking branch 'remotes/cleber/tags/python-next-pull-request' into staging
Python queue 2019-12-17
# gpg: Signature made Tue 17 Dec 2019 05:12:43 GMT
# gpg: using RSA key 7ABB96EB8B46B94D5E0FE9BB657E8D33A5F209F3
# gpg: Good signature from "Cleber Rosa <crosa@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: 7ABB 96EB 8B46 B94D 5E0F E9BB 657E 8D33 A5F2 09F3
* remotes/cleber/tags/python-next-pull-request:
python/qemu: Remove unneeded imports in __init__
python/qemu: accel: Add tcg_available() method
python/qemu: accel: Strengthen kvm_available() checks
python/qemu: accel: Add list_accel() method
python/qemu: Move kvm_available() to its own module
Acceptance tests: use relative location for tests
Acceptance tests: use avocado tags for machine type
Acceptance tests: introduce utility method for tags unique vals
Acceptance test x86_cpu_model_versions: use default vm
tests/acceptance: Makes linux_initrd and empty_cpu_model use QEMUMachine
python/qemu: Add set_qmp_monitor() to QEMUMachine
analyze-migration.py: replace numpy with python 3.2
analyze-migration.py: fix find() type error
Revert "Acceptance test: cancel test if m68k kernel packages goes missing"
tests/boot_linux_console: Fetch assets from Debian snapshot archives
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This is the first pull request for the qemu-5.0 branch. It has a lot
of accumulated changes, including:
* SLOF update to support boot using the IOMMU (will become
necessary for secure guests)
* Clean ups to pnv handling of chip models
* A number of extensions to the powernv machine model
* TCG extensions to allow powernv emulated systems to run KVM guests
* Outline support for POWER10 chips in powernv
* Cleanups to the ibm,client-architecture-support feature negotiation path
* XIVE reworks to better handle the powernv machine
* Improvements to not waste interrupt queues and other semi-scarce
resources when using XIVE under KVM
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-5.0-20191217' into staging
ppc patch queue 2019-12-17
This is the first pull request for the qemu-5.0 branch. It has a lot
of accumulated changes, including:
* SLOF update to support boot using the IOMMU (will become
necessary for secure guests)
* Clean ups to pnv handling of chip models
* A number of extensions to the powernv machine model
* TCG extensions to allow powernv emulated systems to run KVM guests
* Outline support for POWER10 chips in powernv
* Cleanups to the ibm,client-architecture-support feature negotiation path
* XIVE reworks to better handle the powernv machine
* Improvements to not waste interrupt queues and other semi-scarce
resources when using XIVE under KVM
# gpg: Signature made Tue 17 Dec 2019 04:42:20 GMT
# 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/dgibson/tags/ppc-for-5.0-20191217: (88 commits)
pseries: Update SLOF firmware image
ppc/pnv: Drop PnvChipClass::type
ppc/pnv: Introduce PnvChipClass::xscom_pcba() method
ppc/pnv: Drop pnv_chip_is_power9() and pnv_chip_is_power10() helpers
ppc/pnv: Pass content of the "compatible" property to pnv_dt_xscom()
ppc/pnv: Pass XSCOM base address and address size to pnv_dt_xscom()
ppc/pnv: Introduce PnvChipClass::xscom_core_base() method
ppc/pnv: Introduce PnvChipClass::intc_print_info() method
ppc/pnv: Drop pnv_is_power9() and pnv_is_power10() helpers
ppc/pnv: Introduce PnvMachineClass::dt_power_mgt()
ppc/pnv: Introduce PnvMachineClass and PnvMachineClass::compat
ppc/pnv: Drop PnvPsiClass::chip_type
ppc/pnv: Introduce PnvPsiClass::compat
ppc: Drop useless extern annotation for functions
ppc/pnv: Fix OCC common area region mapping
ppc/pnv: Introduce PBA registers
ppc/pnv: Make PnvXScomInterface an incomplete type
ppc/pnv: populate the DT with realized XSCOM devices
ppc/pnv: Loop on the whole hierarchy to populate the DT with the XSCOM nodes
target/ppc: Add SPR TBU40
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Feature:
* Cooperlake CPU model
Cleanups:
* Use g_autofree in a few places
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Merge remote-tracking branch 'remotes/ehabkost/tags/x86-next-pull-request' into staging
x86 queue, 2019-12-16
Feature:
* Cooperlake CPU model
Cleanups:
* Use g_autofree in a few places
# gpg: Signature made Mon 16 Dec 2019 19:36:51 GMT
# gpg: using RSA key 5A322FD5ABC4D3DBACCFD1AA2807936F984DC5A6
# gpg: issuer "ehabkost@redhat.com"
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" [full]
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF D1AA 2807 936F 984D C5A6
* remotes/ehabkost/tags/x86-next-pull-request:
i386: Use g_autofree in a few places
i386: Add new CPU model Cooperlake
i386: Add macro for stibp
i386: Add MSR feature bit for MDS-NO
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
g_test_rand_int provides a reproducible random integer number, using a
different number seed every time but allowing reproduction using the
--seed command line option. It is thus better suited to tests than
g_random_int or random.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1576113478-42926-1-git-send-email-pbonzini@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The check-report.html and check-report.xml targets were replaced
with check-report.tap in commit 9df43317b8 but the check-help
text was not updated so it still lists check-report.html.
Fixes: 9df43317b8
Signed-off-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Message-Id: <20191211204427.4681-2-wainersm@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
We have a setenv() wrapper in os-win32.c that no one is actually using.
Drop it and change to g_setenv() uniformly.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1576074210-52834-7-git-send-email-pbonzini@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Devices "ivshmem-plain" and "ivshmem-doorbell" support only MSI-X.
Config space register Interrupt Pin is zero. Device "ivshmem"
additionally supported legacy INTx, but it was removed in commit
5a0e75f0a9 "hw/misc/ivshmem: Remove deprecated "ivshmem" legacy
device". The commit left ivshmem_update_irq() behind. Since the
Interrupt Pin register is zero, the function does nothing. Remove it.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20191205203557.11254-1-armbru@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
On ppc64, migration-test only works with kvm_hv, and we already
have a check to verify the module is loaded.
kvm_hv module can be loaded in memory and /sys/module/kvm_hv exists,
but on some systems (like build systems) /dev/kvm can be missing
(by administrators choice).
And as kvm_hv exists test-migration is started but QEMU falls back to
TCG because it cannot be used:
Could not access KVM kernel module: No such file or directory
failed to initialize KVM: No such file or directory
Back to tcg accelerator
And as the test is done with TCG, it fails.
As for s390x, we must check for the existence and the access rights
of /dev/kvm.
Reported-by: Cole Robinson <crobinso@redhat.com>
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Message-Id: <20191120170955.242900-1-lvivier@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
./configure --enable-sdl --audio-drv-list=sdl --enable-modules
Will generate two identical test names: /$arch/module/load/sdl
Which generates an error like:
(tests/modules-test:23814): GLib-ERROR **: 18:23:06.359: duplicate test case path: /aarch64//module/load/sdl
Add the subsystem prefix in the name as well, so instead we get:
/$arch/module/load/audio-sdl
/$arch/module/load/ui-sdl
Signed-off-by: Cole Robinson <crobinso@redhat.com>
Message-Id: <d64c9aa098cc6e5c0b638438c4959eddfa7e24e2.1573679311.git.crobinso@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Since the bluetooth code has been removed, we don't need to test
with this library anymore.
Message-Id: <20191120091014.16883-5-thuth@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
It's been deprecated since QEMU v3.1. We've explicitly asked in the
deprecation message that people should speak up on qemu-devel in case
they are still actively using the bluetooth part of QEMU, but nobody
ever replied that they are really still using it.
I've tried it on my own to use this bluetooth subsystem for one of my
guests, but I was also not able to get it running anymore: When I was
trying to pass-through a real bluetooth device, either the guest did
not see the device at all, or the guest crashed.
Even worse for the emulated device: When running
qemu-system-x86_64 -bt device:keyboard
QEMU crashes once you hit a key.
So it seems like the bluetooth stack is not only neglected, it is
completely bitrotten, as far as I can tell. The only attention that
this code got during the past years were some CVEs that have been
spotted there. So this code is a burden for the developers, without
any real benefit anymore. Time to remove it.
Note: hw/bt/Kconfig only gets cleared but not removed here yet.
Otherwise there is a problem with the *-softmmu/config-devices.mak.d
dependency files - they still contain a reference to this file which
gets evaluated first on some build hosts, before the file gets
properly recreated. To avoid breaking these builders, we still need
the file around for some time. It will get removed in a couple of
weeks instead.
Message-Id: <20191120091014.16883-4-thuth@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This fixes PCI bridges support regression.
This enables IOMMU support in virtio drivers.
The full list of changes is:
Alexey Kardashevskiy (12):
allocator: Fix format strings for DEBUG
virtio: Make virtio_set_qaddr static
client: Load initramdisk location
sloffs: Fix -Wunused-result gcc warnings in read/write
pci-phb: Reimplement dma-map-in/out
virtio: Store queue descriptors in virtio_device
virtio-net: Init queues after features negotiation
virtio: Enable IOMMU
ibm,client-architecture-support: Fix stack handling
fdt: Fix updating the tree at H_CAS
version: update to 20191206
version: update to 20191217
Michael Roth (1):
dma: Define default dma methods for using by client/package instances
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
It isn't used anymore.
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <157623844102.360005.12070225703151669294.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The XSCOM bus is implemented with a QOM interface, which is mostly
generic from a CPU type standpoint, except for the computation of
addresses on the Pervasive Connect Bus (PCB) network. This is handled
by the pnv_xscom_pcba() function with a switch statement based on
the chip_type class level attribute of the CPU chip.
This can be achieved using QOM. Also the address argument is masked with
PNV_XSCOM_SIZE - 1, which is for POWER8 only. Addresses may have different
sizes with other CPU types. Have each CPU chip type handle the appropriate
computation with a QOM xscom_pcba() method.
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <157623843543.360005.13996472463887521794.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
They aren't used anymore.
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <157623842986.360005.1787401623906380181.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Since pnv_dt_xscom() is called from chip specific dt_populate() hooks,
it shouldn't have to guess the chip type in order to populate the
"compatible" property. Just pass the compat string and its size as
arguments.
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <157623842430.360005.9513965612524265862.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Since pnv_dt_xscom() is called from chip specific dt_populate() hooks,
it shouldn't have to guess the chip type in order to populate the "reg"
property. Just pass the base address and address size as arguments.
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <157623841868.360005.17577624823547136435.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The pnv_chip_core_realize() function configures the XSCOM MMIO subregion
for each core of a single chip. The base address of the subregion depends
on the CPU type. Its computation is currently open-code using the
pnv_chip_is_powerXX() helpers. This can be achieved with QOM. Introduce
a method for this in the base chip class and implement it in child classes.
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <157623841311.360005.4705705734873339545.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The pnv_pic_print_info() callback checks the type of the chip in order
to forward to the request appropriate interrupt controller. This can
be achieved with QOM. Introduce a method for this in the base chip class
and implement it in child classes.
This also prepares ground for the upcoming interrupt controller of POWER10
chips.
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <157623840755.360005.5002022339473369934.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
They aren't used anymore.
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <157623840200.360005.1300941274565357363.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
We add an extra node to advertise power management on some machines,
namely powernv9 and powernv10. This is achieved by using the
pnv_is_power9() and pnv_is_power10() helpers.
This can be achieved with QOM. Add a method to the base class for
powernv machines and have it implemented by machine types that
support power management instead.
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <157623839642.360005.9243510140436689941.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The pnv_dt_create() function generates different contents for the
"compatible" property of the root node in the DT, depending on the
CPU type. This is open coded with multiple ifs using pnv_is_powerXX()
helpers.
It seems cleaner to achieve with QOM. Introduce a base class for the
powernv machine and a compat attribute that each child class can use
to provide the value for the "compatible" property.
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <157623839085.360005.4046508784077843216.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
[dwg: Folded in small fix Greg spotted after posting]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
__init_.py import some sub-modules unnecessarily. So let's
clean it up.
Signed-off-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Suggested-by: Cleber Rosa <crosa@redhat.com>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Tested-by: Cleber Rosa <crosa@redhat.com>
Message-Id: <20191216191438.93418-6-wainersm@redhat.com>
Signed-off-by: Cleber Rosa <crosa@redhat.com>
It isn't used anymore.
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <157623838530.360005.15470128760871845396.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The Processor Service Interface (PSI) model has a chip_type class level
attribute, which is used to generate the content of the "compatible" DT
property according to the CPU type.
Since the PSI model already has specialized classes for each supported
CPU type, it seems cleaner to achieve this with QOM. Provide the content
of the "compatible" property with a new class level attribute.
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <157623837974.360005.14706607446188964477.stgit@bahia.lan>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <157623837421.360005.412120366652768311.stgit@bahia.lan>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The OCC common area is mapped at a unique address on the system and
each OCC is assigned a segment to expose its sensor data :
-------------------------------------------------------------------------
| Start (Offset from | End | Size |Description |
| BAR2 base address) | | | |
-------------------------------------------------------------------------
| 0x00580000 | 0x005A57FF |150kB |OCC 0 Sensor Data Block|
| 0x005A5800 | 0x005CAFFF |150kB |OCC 1 Sensor Data Block|
| : | : | : | : |
| 0x00686800 | 0x006ABFFF |150kB |OCC 7 Sensor Data Block|
| 0x006AC000 | 0x006FFFFF |336kB |Reserved |
-------------------------------------------------------------------------
Maximum size is 1.5MB.
We could define a "OCC common area" memory region at the machine level
and sub regions for each OCC. But it adds some extra complexity to the
models. Fix the current layout with a simpler model.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20191211082912.2625-3-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The PBA bridge unit (Power Bus Access) connects the OCC (On Chip
Controller) to the Power bus and System Memory. The PBA is used to
gather sensor data, for power management, for sleep states, for
initial boot, among other things.
The PBA logic provides a set of four registers PowerBus Access Base
Address Registers (PBABAR0..3) which map the OCC address space to the
PowerBus space. These registers are setup by the initial FW and define
the PowerBus Range of system memory that can be accessed by PBA.
The current modeling of the PBABAR registers is done under the common
XSCOM handlers. We introduce a specific XSCOM regions for these
registers and fix :
- BAR sizes and BAR masks
- The mapping of the OCC common area. It is common to all chips and
should be mapped once. We will address per-OCC area in the next
change.
- OCC common area is in BAR 3 on P8
Inspired by previous work of Balamuruhan S <bala24@linux.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20191211082912.2625-2-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
PnvXScomInterface is an interface instance. It should never be
dereferenced. Drop the dummy type definition for extra safety,
which is the common practice with QOM interfaces.
While here also convert the bogus OBJECT_CHECK() to INTERFACE_CHECK().
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <157608025541.186670.1577861507610404326.stgit@bahia.lan>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Some devices could be initialized in the instance_init handler but not
realized for configuration reasons. Nodes should not be added in the DT
for such devices.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20191210135845.19773-3-clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Some PnvXScomInterface objects lie a bit deeper (PnvPBCQState) than
the first layer, so we need to loop on the whole object hierarchy to
catch them.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20191210135845.19773-2-clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
[dwg: Corrected error in comment]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The spr TBU40 is used to set the upper 40 bits of the timebase
register, present on POWER5+ and later processors.
This register can only be written by the hypervisor, and cannot be read.
Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20191128134700.16091-5-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The Access Segment Descriptor Register (ASDR) provides information about
the storage element when taking a hypervisor storage interrupt. When
performing nested radix address translation, this is normally the guest
real address. This register is present on POWER9 processors and later.
Implement the ADSR, note read and write access is limited to the
hypervisor.
Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20191128134700.16091-4-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The Processor Utilisation of Resources Register (PURR) and Scaled
Processor Utilisation of Resources Register (SPURR) provide an estimate
of the resources used by the thread, present on POWER7 and later
processors.
Currently the [S]PURR registers simply count at the rate of the
timebase.
Preserve this behaviour but rework the implementation to store an offset
like the timebase rather than doing the calculation manually. Also allow
hypervisor write access to the register along with the currently
available read access.
Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
[ clg: rebased on current ppc tree ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20191128134700.16091-3-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The virtual timebase register (VTB) is a 64-bit register which
increments at the same rate as the timebase register, present on POWER8
and later processors.
The register is able to be read/written by the hypervisor and read by
the supervisor. All other accesses are illegal.
Currently the VTB is just an alias for the timebase (TB) register.
Implement the VTB so that is can be read/written independent of the TB.
Make use of the existing method for accessing timebase facilities where
by the compensation is stored and used to compute the value on reads/is
updated on writes.
Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
[ clg: rebased on current ppc tree ]
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20191128134700.16091-2-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Same a POWER9, only the MMIO window changes.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20191205184454.10722-6-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The POWER10 PSIHB controller is very similar to the one on POWER9. We
should probably introduce a common PnvPsiXive object.
The ESB page size should be changed to 64k when P10 support is ready.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20191205184454.10722-5-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This is an empty shell with the XSCOM bus and cores. The chip controllers
will come later.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20191205184454.10722-3-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This includes in QEMU a new CPU model for the POWER10 processor with
the same capabilities of a POWER9 process. The model will be extended
when support is completed.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20191205184454.10722-2-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
PPCVirtualHypervisor is an interface instance. It should never be
dereferenced. Drop the dummy type definition for extra safety, which
is the common practice with QOM interfaces.
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <157589808041.21182.18121655959115011353.stgit@bahia.lan>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This only makes sense with an emulated CPU. Don't set the bit in
CPUState::interrupt_request when using KVM to avoid confusions.
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <157548863423.3650476.16424649423510075159.stgit@bahia.lan>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The power7_set_irq() and power9_set_irq() functions set this but it is
never used actually. Modern Book3s compatible CPUs are only supported
by the pnv and spapr machines. They have an interrupt controller, XICS
for POWER7/8 and XIVE for POWER9, whose models don't require to track
IRQ input states at the CPU level.
Drop these lines to avoid confusion.
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <157548862861.3650476.16622818876928044450.stgit@bahia.lan>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The correct way to do this is to deassert the input pins on the CPU side.
This is the case since a previous change.
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <157548862298.3650476.1228720391270249433.stgit@bahia.lan>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
When a CPU is reset, QEMU makes sure no interrupt is pending by clearing
CPUPPCstate::pending_interrupts in ppc_cpu_reset(). In the case of a
complete machine emulation, eg. a sPAPR machine, an external interrupt
request could still be pending in KVM though, eg. an IPI. It will be
eventually presented to the guest, which is supposed to acknowledge it at
the interrupt controller. If the interrupt controller is emulated in QEMU,
either XICS or XIVE, ppc_set_irq() won't deassert the external interrupt
pin in KVM since it isn't pending anymore for QEMU. When the vCPU re-enters
the guest, the interrupt request is still pending and the vCPU will try
again to acknowledge it. This causes an infinite loop and eventually hangs
the guest.
The code has been broken since the beginning. The issue wasn't hit before
because accel=kvm,kernel-irqchip=off is an awkward setup that never got
used until recently with the LC92x IBM systems (aka, Boston).
Add a ppc_irq_reset() function to do the necessary cleanup, ie. deassert
the IRQ pins of the CPU in QEMU and most importantly the external interrupt
pin for this vCPU in KVM.
Reported-by: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com>
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <157548861740.3650476.16879693165328764758.stgit@bahia.lan>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
spapr_ovec_diff(ov, old, new) has somewhat complex semantics. ov is set
to those bits which are in new but not old, and it returns as a boolean
whether or not there are any bits in old but not new.
It turns out that both callers only care about the second, not the first.
This is basically equivalent to a bitmap subset operation, which is easier
to understand and implement. So replace spapr_ovec_diff() with
spapr_ovec_subset().
Cc: Mike Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Cedric Le Goater <clg@fr.ibm.com>
