The VIA integrated south bridge chips combine several functions and
allow routing their interrupts to any of the ISA IRQs also allowing
multiple sources to share the same ISA IRQ. E.g. pegasos2 firmware
configures everything to use IRQ 9 but amigaone routes them to
separate ISA IRQs so the current simplified routing does not work.
Bring back via_isa_set_irq() and change it to take the component that
wants to change an IRQ and keep track of interrupt status of each
source separately and do the mapping to ISA IRQ within the ISA bridge.
This may not handle cases when an ISA IRQ is controlled by devices
directly, not going through via_isa_set_irq() such as serial, parallel
or keyboard but these IRQs being conventionally fixed are not likely
to be change by guests or share with other devices so this does not
cause a problem in practice.
This reverts commit 4e5a20b6da.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-ID: <1c3902d4166234bef0a476026441eaac3dd6cda5.1701035944.git.balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
It seems that the url changed a bit, and it triggers an error. Fix the URLs so
the documentation can be reached again.
Signed-off-by: Frederic Konrad <fkonrad@amd.com>
Reviewed-by: Francisco Iglesias <francisco.iglesias@amd.com>
Message-id: 20231124143505.1493184-3-fkonrad@amd.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The spips, qspips, and zynqmp-qspips share the same realize function
(xilinx_spips_realize) and initialize their io memory region with different
mmio_ops passed through the class. The size of the memory region is set to
the largest area (0x200 bytes for zynqmp-qspips) thus it is possible to write
out of s->regs[addr] in xilinx_spips_write for spips and qspips.
This fixes that wrong behavior.
Reviewed-by: Luc Michel <luc.michel@amd.com>
Signed-off-by: Frederic Konrad <fkonrad@amd.com>
Reviewed-by: Francisco Iglesias <francisco.iglesias@amd.com>
Message-id: 20231124143505.1493184-2-fkonrad@amd.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The VirtioPCIDeviceTypeInfo structure, added in commit a4ee4c8baa
("virtio: Helper for registering virtio device types") got extended
in commit 8ea90ee690 ("virtio: add class_size") with the @class_size
field. Do similarly with the @instance_finalize field.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20231121174051.63038-2-philmd@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This function reads the value of the PCI_CLASS_PROG register for PCI IDE
controllers and configures the PCI BARs and/or IDE ioports accordingly.
In the case where we switch to legacy mode, the PCI BARs are set to return zero
(as suggested in the "PCI IDE Controller" specification), the legacy IDE ioports
are enabled, and the PCI interrupt pin cleared to indicate legacy IRQ routing.
Conversely when we switch to native mode, the legacy IDE ioports are disabled
and the PCI interrupt pin set to indicate native IRQ routing. The contents of
the PCI BARs are unspecified, but this is not an issue since if a PCI IDE
controller has been switched to native mode then its BARs will need to be
programmed.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-ID: <20231116103355.588580-3-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
These definitions are present in ioport.c which is currently only available when
CONFIG_IDE_ISA is enabled. Move them to the IDE core so that they can be made
available to PCI IDE controllers that support switching to legacy mode.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-ID: <20231116103355.588580-2-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
The 'stm32vldiscovery' machine ignores the CPU type requested by
the command line. This might confuse users, since the following
will create a machine with a Cortex-M3 CPU:
$ qemu-system-aarch64 -M stm32vldiscovery -cpu neoverse-n1
Set the MachineClass::valid_cpu_types field (introduced in commit
c9cf636d48 "machine: Add a valid_cpu_types property").
Remove the now unused MachineClass::default_cpu_type field.
We now get:
$ qemu-system-aarch64 -M stm32vldiscovery -cpu neoverse-n1
qemu-system-aarch64: Invalid CPU type: neoverse-n1-arm-cpu
The valid types are: cortex-m3-arm-cpu
Since the SoC family can only use Cortex-M3 CPUs, hard-code the
CPU type name at the SoC level, removing the QOM property
entirely.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Message-id: 20231117071704.35040-5-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The 'netduino2' machine ignores the CPU type requested by the
command line. This might confuse users, since the following will
create a machine with a Cortex-M3 CPU:
$ qemu-system-arm -M netduino2 -cpu cortex-a9
Set the MachineClass::valid_cpu_types field (introduced in commit
c9cf636d48 "machine: Add a valid_cpu_types property").
Remove the now unused MachineClass::default_cpu_type field.
We now get:
$ qemu-system-arm -M netduino2 -cpu cortex-a9
qemu-system-arm: Invalid CPU type: cortex-a9-arm-cpu
The valid types are: cortex-m3-arm-cpu
Since the SoC family can only use Cortex-M3 CPUs, hard-code the
CPU type name at the SoC level, removing the QOM property
entirely.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Message-id: 20231117071704.35040-4-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Both 'netduinoplus2' and 'olimex-stm32-h405' machines ignore the
CPU type requested by the command line. This might confuse users,
since the following will create a machine with a Cortex-M4 CPU:
$ qemu-system-aarch64 -M netduinoplus2 -cpu cortex-r5f
Set the MachineClass::valid_cpu_types field (introduced in commit
c9cf636d48 "machine: Add a valid_cpu_types property").
Remove the now unused MachineClass::default_cpu_type field.
We now get:
$ qemu-system-aarch64 -M netduinoplus2 -cpu cortex-r5f
qemu-system-aarch64: Invalid CPU type: cortex-r5f-arm-cpu
The valid types are: cortex-m4-arm-cpu
Since the SoC family can only use Cortex-M4 CPUs, hard-code the
CPU type name at the SoC level, removing the QOM property
entirely.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Message-id: 20231117071704.35040-3-philmd@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Constify MachineClass::valid_cpu_types[i], as suggested by Richard
Henderson.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Gavin Shan <gshan@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20231117071704.35040-2-philmd@linaro.org
[PMD: Constify HPPA machines,
restrict valid_cpu_types to machine_class_init() handlers]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Fixes: 388d6b574e "hw/cxl: Use switch statements for read and write of cachemem registers"
Fixes: 3314efd276 "hw/cxl/mbox: Add Physical Switch Identify command."
Fixes: 004e3a93b8 "hw/cxl: Add tunneled command support to mailbox for switch cci."
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Until now, array properties are actually implemented with a hack that
uses multiple properties on the QOM level: a static "foo-len" property
and after it is set, dynamically created "foo[i]" properties.
In external interfaces (-device on the command line and device_add in
QMP), this interface was broken by commit f3558b1b ('qdev: Base object
creation on QDict rather than QemuOpts') because QDicts are unordered
and therefore it could happen that QEMU tried to set the indexed
properties before setting the length, which fails and effectively makes
array properties inaccessible. In particular, this affects the 'ports'
property of the 'rocker' device, which used to be configured like this:
-device rocker,len-ports=2,ports[0]=dev0,ports[1]=dev1
This patch reworks the external interface so that instead of using a
separate top-level property for the length and for each element, we use
a single true array property that accepts a list value. In the external
interfaces, this is naturally expressed as a JSON list and makes array
properties accessible again. The new syntax looks like this:
-device '{"driver":"rocker","ports":["dev0","dev1"]}'
Creating an array property on the command line without using JSON format
is currently not possible. This could be fixed by switching from
QemuOpts to a keyval parser, which however requires consideration of the
compatibility implications.
All internal users of devices with array properties go through
qdev_prop_set_array() at this point, so updating it takes care of all of
them.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1090
Fixes: f3558b1b76
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20231109174240.72376-12-kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This queue, the last one before the 8.2 feature freeze, has miscellanous
changes that includes new PowerNV features and the new AmigaONE XE
board.
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Merge tag 'pull-ppc-20231107' of https://gitlab.com/danielhb/qemu into staging
ppc patch queue for 2023-11-07:
This queue, the last one before the 8.2 feature freeze, has miscellanous
changes that includes new PowerNV features and the new AmigaONE XE
board.
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# gpg: Signature made Wed 08 Nov 2023 04:46:49 HKT
# gpg: using EDDSA key 17EBFF9923D01800AF2838193CD9CA96DE033164
# gpg: issuer "danielhb413@gmail.com"
# gpg: Good signature from "Daniel Henrique Barboza <danielhb413@gmail.com>" [unknown]
# gpg: WARNING: The key's User ID is not certified with a trusted signature!
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# Primary key fingerprint: 17EB FF99 23D0 1800 AF28 3819 3CD9 CA96 DE03 3164
* tag 'pull-ppc-20231107' of https://gitlab.com/danielhb/qemu:
ppc: qtest already exports qtest_rtas_call()
hw/pci-host: Update PHB5 XSCOM registers
ppc/pnv: Fix number of I2C engines and ports for power9/10
ppc/pnv: Connect PNV I2C controller to powernv10
ppc/pnv: Connect I2C controller model to powernv9 chip
ppc/pnv: Add an I2C controller model
tests/avocado: Add test for amigaone board
hw/ppc: Add emulation of AmigaOne XE board
hw/pci-host: Add emulation of Mai Logic Articia S
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* Fix condition code problem in the CLC and LAALG instruction
* Fix ordering of the new s390x topology list entries
* Add some more files to the MAINTAINERS file
* Allow newer versions of Tesseract in the m68k nextcube test
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Merge tag 'pull-request-2023-11-07' of https://gitlab.com/thuth/qemu into staging
* Fix s390x CPU reconfiguration information in the SCLP facility map
* Fix condition code problem in the CLC and LAALG instruction
* Fix ordering of the new s390x topology list entries
* Add some more files to the MAINTAINERS file
* Allow newer versions of Tesseract in the m68k nextcube test
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# gpg: Signature made Wed 08 Nov 2023 02:30:35 HKT
# gpg: using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg: issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg: aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg: aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5
* tag 'pull-request-2023-11-07' of https://gitlab.com/thuth/qemu:
target/s390x/cpu topology: Fix ordering and creation of TLEs
tests/tcg/s390x: Test ADD LOGICAL WITH CARRY
tests/tcg/s390x: Test LAALG with negative cc_src
target/s390x: Fix LAALG not updating cc_src
tests/tcg/s390x: Test CLC with inaccessible second operand
target/s390x: Fix CLC corrupting cc_src
target/s390x/cpu_models: Use 'first_cpu' in s390_get_feat_block()
s390/sclp: fix SCLP facility map
tests/avocado: Allow newer versions of tesseract in the nextcube test
MAINTAINERS: Add artist.c to the hppa machine section
MAINTAINERS: Add the virtio-gpu documentation to the corresponding section
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Having two functions with the same name is a bad idea. As spapr only
uses the function locally, made it static.
When you compile with clang, you get this compilation error:
/usr/bin/ld: tests/qtest/libqos/libqos.fa.p/.._libqtest.c.o: in function `qtest_rtas_call':
/scratch/qemu/clang/full/all/../../../../../mnt/code/qemu/full/tests/qtest/libqtest.c:1195: multiple definition of `qtest_rtas_call'; libqemu-ppc64-softmmu.fa.p/hw_ppc_spapr_rtas.c.o:/scratch/qemu/clang/full/all/../../../../../mnt/code/qemu/full/hw/ppc/spapr_rtas.c:536: first defined here
clang-16: error: linker command failed with exit code 1 (use -v to see invocation)
ninja: build stopped: subcommand failed.
make: *** [Makefile:162: run-ninja] Error 1
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-ID: <20231030163834.4638-1-quintela@redhat.com>
[dhb: remove 'spapr_rtas.h' include from spapr_rtas.c]
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Add new XSCOM registers introduced in PHB5.
Apply bit-masks within xscom-write methods.
Bit-masks specified using PPC_BITMASK macro.
Signed-off-by: Saif Abrar <saif.abrar@linux.vnet.ibm.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Message-ID: <20231016175948.10869-1-saif.abrar@linux.vnet.ibm.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Power9 is supposed to have 4 PIB-connected I2C engines with the
following number of ports on each engine:
0: 2
1: 13
2: 2
3: 2
Power10 also has 4 engines but has the following number of ports
on each engine:
0: 14
1: 14
2: 2
3: 16
Current code assumes that they all have the same (maximum) number.
This can be a problem if software expects to see a certain number
of ports present (Power Hypervisor seems to care).
Fixed this by adding separate tables for power9 and power10 that
map the I2C controller number to the number of I2C buses that should
be attached for that engine.
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Glenn Miles <milesg@linux.vnet.ibm.com>
Message-ID: <20231025152714.956664-1-milesg@linux.vnet.ibm.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Wires up four I2C controller instances to the powernv10 chip
XSCOM address space.
Each controller instance is wired up to two I2C buses of
its own. No other I2C devices are connected to the buses
at this time.
Signed-off-by: Glenn Miles <milesg@linux.vnet.ibm.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-ID: <20231017221434.810363-1-milesg@linux.vnet.ibm.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Wires up three I2C controller instances to the powernv9 chip
XSCOM address space.
Each controller instance is wired up to a single I2C bus of
its own. No other I2C devices are connected to the buses
at this time.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
[milesg: Split wiring from addition of model itself]
[milesg: Added new commit message]
[milesg: Moved hardcoded attributes into PnvChipClass]
[milesg: Removed TODO comment for I2C]
Signed-off-by: Glenn Miles <milesg@linux.vnet.ibm.com>
Acked-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-ID: <20231016222013.3739530-3-milesg@linux.vnet.ibm.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
The more recent IBM power processors have an embedded I2C
controller that is accessible by software via the XSCOM
address space.
Each instance of the I2C controller is capable of controlling
multiple I2C buses (one at a time). Prior to beginning a
transaction on an I2C bus, the bus must be selected by writing
the port number associated with the bus into the PORT_NUM
field of the MODE register. Once an I2C bus is selected,
the status of the bus can be determined by reading the
Status and Extended Status registers.
I2C bus transactions can be started by writing a command to
the Command register and reading/writing data from/to the
FIFO register.
Not supported :
. 10 bit I2C addresses
. Multimaster
. Slave
Signed-off-by: Cédric Le Goater <clg@kaod.org>
[milesg: Split wiring to powernv9 into its own commit]
[milesg: Added more detail to commit message]
[milesg: Added SPDX Licensed Identifier to new files]
[milesg: updated copyright dates]
[milesg: Added use of g_autofree]
[milesg: Added NULL check after pnv_i2c_get_bus]
Signed-off-by: Glenn Miles <milesg@linux.vnet.ibm.com>
Acked-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-ID: <20231016222013.3739530-2-milesg@linux.vnet.ibm.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Qemu's SCLP implementation incorrectly reports that it supports CPU
reconfiguration. If a guest issues a CPU reconfiguration request it
is rejected as invalid command.
Fix the SCLP_HAS_CPU_INFO mask, and remove the unused
SCLP_CMDW_CONFIGURE_CPU and SCLP_CMDW_DECONFIGURE_CPU defines.
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Halil Pasic <pasic@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Message-ID: <20231024100703.929679-1-hca@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The Articia S is a generic chipset supporting several different CPUs
that were among others used on some PPC boards. This is a minimal
emulation of the parts needed for emulating the AmigaOne board.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Tested-by: Rene Engel <ReneEngel80@emailn.de>
Acked-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-ID: <83822787431701cf4d460298d3e3845f362e5da1.1698406922.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
VCAP is a register for devices with energy storage capacitors.
Reviewed-by: Benjamin Streb <bstreb@google.com>
Acked-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Titus Rwantare <titusr@google.com>
Message-ID: <20231023-staging-pmbus-v3-v4-4-07a8cb7cd20a@google.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
PMBus devices may integrate fans whose operation is configurable
over PMBus. This commit allows the driver to read and write the
fan control registers but does not model the operation of fans.
Reviewed-by: Stephen Longfield <slongfield@google.com>
Acked-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Titus Rwantare <titusr@google.com>
Message-ID: <20231023-staging-pmbus-v3-v4-3-07a8cb7cd20a@google.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
The VOUT_MODE command is described in the PMBus Specification,
Part II, Ver 1.3 Section 8.3
VOUT_MODE has a three bit mode and 4 bit parameter, the three bit
mode determines whether voltages are formatted as uint16, uint16,
VID, and Direct modes. VID and Direct modes use the remaining 5 bits
to scale the voltage readings.
Reviewed-by: Hao Wu <wuhaotsh@google.com>
Acked-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Titus Rwantare <titusr@google.com>
Message-ID: <20231023-staging-pmbus-v3-v4-2-07a8cb7cd20a@google.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
PMBus devices can send and receive variable length data using the
block read and write format, with the first byte in the payload
denoting the length.
This is mostly used for strings and on-device logs. Devices can
respond to a block read with an empty string.
Reviewed-by: Hao Wu <wuhaotsh@google.com>
Acked-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Titus Rwantare <titusr@google.com>
Message-ID: <20231023-staging-pmbus-v3-v4-1-07a8cb7cd20a@google.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
In the nr_threads' comment, specify it represents the
number of threads in the "core" to avoid confusion.
Also add comment for nr_dies in CPUX86State.
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Babu Moger <babu.moger@amd.com>
Tested-by: Yongwei Ma <yongwei.ma@intel.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-ID: <20231024090323.1859210-5-zhao1.liu@linux.intel.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
For function comments in this file, keep the comment style consistent
with other files in the directory.
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Yanan Wang <wangyanan55@huawei.com>
Reviewed-by: Xiaoyao Li <xiaoyao.li@Intel.com>
Reviewed-by: Babu Moger <babu.moger@amd.com>
Tested-by: Babu Moger <babu.moger@amd.com>
Tested-by: Yongwei Ma <yongwei.ma@intel.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-ID: <20231024090323.1859210-2-zhao1.liu@linux.intel.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Fix:
hw/core/loader.c:1073:27: error: declaration shadows a variable in the global scope [-Werror,-Wshadow]
bool option_rom, MemoryRegion *mr,
^
include/sysemu/sysemu.h:57:22: note: previous declaration is here
extern QEMUOptionRom option_rom[MAX_OPTION_ROMS];
^
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Ani Sinha <anisinha@redhat.com>
Message-Id: <20231010115048.11856-3-philmd@linaro.org>
Fix:
hw/core/machine.c:1302:22: error: declaration shadows a variable in the global scope [-Werror,-Wshadow]
const CPUArchId *cpus = possible_cpus->cpus;
^
hw/core/numa.c:69:17: error: declaration shadows a variable in the global scope [-Werror,-Wshadow]
uint16List *cpus = NULL;
^
hw/acpi/aml-build.c:2005:20: error: declaration shadows a variable in the global scope [-Werror,-Wshadow]
CPUArchIdList *cpus = ms->possible_cpus;
^
hw/core/machine-smp.c:77:14: error: declaration shadows a variable in the global scope [-Werror,-Wshadow]
unsigned cpus = config->has_cpus ? config->cpus : 0;
^
include/hw/core/cpu.h:589:17: note: previous declaration is here
extern CPUTailQ cpus;
^
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Ani Sinha <anisinha@redhat.com>
Message-Id: <20231010115048.11856-2-philmd@linaro.org>
Following the example documented since commit e3fe3988d7 ("error:
Document Error API usage rules"), have cpu_exec_realizefn()
return a boolean indicating whether an error is set or not.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230918160257.30127-22-philmd@linaro.org>
Let CPUClass::class_by_name() handlers to return abstract classes,
and filter them once in the public cpu_class_by_name() method.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230908112235.75914-3-philmd@linaro.org>
"hw/s390x/sclp.h" is a header used by target-agnostic objects
(such hw/char/sclpconsole[-lm].c), thus can not use target-specific
types, such CPUS390XState.
Have sclp_service_call[_protected]() take a S390CPU pointer, which
is target-agnostic.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20231106114500.5269-3-philmd@linaro.org>
"hw/s390x/css.h" is a header used by target-agnostic objects
(such hw/s390x/virtio-ccw-gpu.c), thus can not use target-specific
types, such CPUS390XState.
Have css_do_sic() take S390CPU a pointer, which is target-agnostic.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20231106114500.5269-2-philmd@linaro.org>
The OBJECT_DECLARE_CPU_TYPE() macro forward-declares the
PowerPCCPUClass type. This forward declaration is sufficient
for code in hw/ to use the QOM definitions. No need to expose
the structure definition. Keep it local to target/ppc/ by
moving it to target/ppc/cpu.h.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231013125630.95116-5-philmd@linaro.org>
Introduce cpu_exec_reset_hold() which call an accelerator
specific AccelOpsClass::cpu_reset_hold() handler.
Define a stub on TCG user emulation, because CPU reset is
irrelevant there.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230918104153.24433-3-philmd@linaro.org>
virtio sound card support
vhost-user: back-end state migration
cxl:
line length reduction
enabling fabric management
vhost-vdpa:
shadow virtqueue hash calculation Support
shadow virtqueue RSS Support
tests:
CPU topology related smbios test cases
Fixes, cleanups all over the place
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging
virtio,pc,pci: features, fixes
virtio sound card support
vhost-user: back-end state migration
cxl:
line length reduction
enabling fabric management
vhost-vdpa:
shadow virtqueue hash calculation Support
shadow virtqueue RSS Support
tests:
CPU topology related smbios test cases
Fixes, cleanups all over the place
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (63 commits)
acpi/tests/avocado/bits: enable console logging from bits VM
acpi/tests/avocado/bits: enforce 32-bit SMBIOS entry point
hw/cxl: Add tunneled command support to mailbox for switch cci.
hw/cxl: Add dummy security state get
hw/cxl/type3: Cleanup multiple CXL_TYPE3() calls in read/write functions
hw/cxl/mbox: Add Get Background Operation Status Command
hw/cxl: Add support for device sanitation
hw/cxl/mbox: Wire up interrupts for background completion
hw/cxl/mbox: Add support for background operations
hw/cxl: Implement Physical Ports status retrieval
hw/pci-bridge/cxl_downstream: Set default link width and link speed
hw/cxl/mbox: Add Physical Switch Identify command.
hw/cxl/mbox: Add Information and Status / Identify command
hw/cxl: Add a switch mailbox CCI function
hw/pci-bridge/cxl_upstream: Move defintion of device to header.
hw/cxl/mbox: Generalize the CCI command processing
hw/cxl/mbox: Pull the CCI definition out of the CXLDeviceState
hw/cxl/mbox: Split mailbox command payload into separate input and output
hw/cxl/mbox: Pull the payload out of struct cxl_cmd and make instances constant
hw/cxl: Fix a QEMU_BUILD_BUG_ON() in switch statement scope issue.
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Add Xen PV console and network support, the former of which enables the
Xen "PV shim" to be used to support PV guests.
Also clean up the block support and make it work when the user passes
just 'drive file=IMAGE,if=xen' on the command line.
Update the documentation to reflect all of these, taking the opportunity
to simplify what it says about q35 by making unplug work for AHCI.
Ignore the VCPU_SSHOTTMR_future timer flag, and advertise the 'fixed'
per-vCPU upcall vector support, as newer upstream Xen do.
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Merge tag 'pull-xenfv.for-upstream-20231107' of git://git.infradead.org/users/dwmw2/qemu into staging
Xen PV guest support for 8.2
Add Xen PV console and network support, the former of which enables the
Xen "PV shim" to be used to support PV guests.
Also clean up the block support and make it work when the user passes
just 'drive file=IMAGE,if=xen' on the command line.
Update the documentation to reflect all of these, taking the opportunity
to simplify what it says about q35 by making unplug work for AHCI.
Ignore the VCPU_SSHOTTMR_future timer flag, and advertise the 'fixed'
per-vCPU upcall vector support, as newer upstream Xen do.
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# gpg: Signature made Tue 07 Nov 2023 17:13:21 HKT
# gpg: using RSA key BE07D9FD54809AB2C4B0FF5F63762CDA67E2F359
# gpg: issuer "dwmw2@infradead.org"
# gpg: Good signature from "David Woodhouse <dwmw2@infradead.org>" [unknown]
# gpg: aka "David Woodhouse <dwmw2@exim.org>" [unknown]
# gpg: aka "David Woodhouse <david@woodhou.se>" [unknown]
# gpg: aka "David Woodhouse <dwmw2@kernel.org>" [unknown]
# gpg: WARNING: The key's User ID is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: BE07 D9FD 5480 9AB2 C4B0 FF5F 6376 2CDA 67E2 F359
* tag 'pull-xenfv.for-upstream-20231107' of git://git.infradead.org/users/dwmw2/qemu:
docs: update Xen-on-KVM documentation
xen-platform: unplug AHCI disks
hw/i386/pc: support '-nic' for xen-net-device
hw/xen: update Xen PV NIC to XenDevice model
hw/xen: only remove peers of PCI NICs on unplug
hw/xen: add support for Xen primary console in emulated mode
hw/xen: update Xen console to XenDevice model
hw/xen: do not repeatedly try to create a failing backend device
hw/xen: add get_frontend_path() method to XenDeviceClass
hw/xen: automatically assign device index to block devices
hw/xen: populate store frontend nodes with XenStore PFN/port
i386/xen: advertise XEN_HVM_CPUID_UPCALL_VECTOR in CPUID
include: update Xen public headers to Xen 4.17.2 release
hw/xen: Clean up event channel 'type_val' handling to use union
i386/xen: Ignore VCPU_SSHOTTMR_future flag in set_singleshot_timer()
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The default NIC creation seems a bit hackish to me. I don't understand
why each platform has to call pci_nic_init_nofail() from a point in the
code where it actually has a pointer to the PCI bus, and then we have
the special cases for things like ne2k_isa.
If qmp_device_add() can *find* the appropriate bus and instantiate
the device on it, why can't we just do that from generic code for
creating the default NICs too?
But that isn't a yak I want to shave today. Add a xenbus field to the
PCMachineState so that it can make its way from pc_basic_device_init()
to pc_nic_init() and be handled as a special case like ne2k_isa is.
Now we can launch emulated Xen guests with '-nic user'.
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
The primary console is special because the toolstack maps a page into
the guest for its ring, and also allocates the guest-side event channel.
The guest's grant table is even primed to export that page using a known
grant ref#. Add support for all that in emulated mode, so that we can
have a primary console.
For reasons unclear, the backends running under real Xen don't just use
a mapping of the well-known GNTTAB_RESERVED_CONSOLE grant ref (which
would also be in the ring-ref node in XenStore). Instead, the toolstack
sets the ring-ref node of the primary console to the GFN of the guest
page. The backend is expected to handle that special case and map it
with foreignmem operations instead.
We don't have an implementation of foreignmem ops for emulated Xen mode,
so just make it map GNTTAB_RESERVED_CONSOLE instead. This would probably
work for real Xen too, but we can't work out how to make real Xen create
a primary console of type "ioemu" to make QEMU drive it, so we can't
test that; might as well leave it as it is for now under Xen.
Now at last we can boot the Xen PV shim and run PV kernels in QEMU.
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
If xen_backend_device_create() fails to instantiate a device, the XenBus
code will just keep trying over and over again each time the bus is
re-enumerated, as long as the backend appears online and in
XenbusStateInitialising.
The only thing which prevents the XenBus code from recreating duplicates
of devices which already exist, is the fact that xen_device_realize()
sets the backend state to XenbusStateInitWait. If the attempt to create
the device doesn't get *that* far, that's when it will keep getting
retried.
My first thought was to handle errors by setting the backend state to
XenbusStateClosed, but that doesn't work for XenConsole which wants to
*ignore* any device of type != "ioemu" completely.
So, make xen_backend_device_create() *keep* the XenBackendInstance for a
failed device, and provide a new xen_backend_exists() function to allow
xen_bus_type_enumerate() to check whether one already exists before
creating a new one.
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
The primary Xen console is special. The guest's side is set up for it by
the toolstack automatically and not by the standard PV init sequence.
Accordingly, its *frontend* doesn't appear in …/device/console/0 either;
instead it appears under …/console in the guest's XenStore node.
To allow the Xen console driver to override the frontend path for the
primary console, add a method to the XenDeviceClass which can be used
instead of the standard xen_device_get_frontend_path()
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
There's no need to force the user to assign a vdev. We can automatically
assign one, starting at xvda and searching until we find the first disk
name that's unused.
This means we can now allow '-drive if=xen,file=xxx' to work without an
explicit separate -driver argument, just like if=virtio.
Rip out the legacy handling from the xenpv machine, which was scribbling
over any disks configured by the toolstack, and didn't work with anything
but raw images.
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Acked-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Paul Durrant <paul@xen.org>
