Add datasheet name in the file header.
We can not add the direct download link since there is a disclaimers
to agree first on the SD Association website (www.sdcard.org).
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Alexander Bulekov <alxndr@bu.edu>
Message-Id: <20200901140411.112150-3-f4bug@amsat.org>
Add missing newline character in qemu_log_mask() format.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Alexander Bulekov <alxndr@bu.edu>
Message-Id: <20200901140411.112150-2-f4bug@amsat.org>
USB_XHCI does not depend on PCI any more.
USB_XHCI_SYSBUS must select USB_XHCI not USB.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com>
Message-id: 20201020074844.5304-5-kraxel@redhat.com
The helper generates an acpi dsdt device entry
for the xhci sysbus device.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20201020074844.5304-4-kraxel@redhat.com
Move a bunch of defines which might be needed outside core xhci
code to that place. Add XHCI_ prefixes to avoid name clashes.
No functional change.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com>
Message-id: 20201020074844.5304-3-kraxel@redhat.com
Add stubs for aml_interrupt and aml_memory32_fixed,
these will be needed by followup patches,
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20201020074844.5304-2-kraxel@redhat.com
Setting x86ms->pci_irq_mask to zero has the same effect,
so we don't need the has_pci argument any more.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20201016113835.17465-6-kraxel@redhat.com
Makes sure the PCI interrupt overrides are added to the
APIC table in case PCIe is enabled.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20201016113835.17465-5-kraxel@redhat.com
Add a variable to x86 machine state instead of
hard-coding the PCI interrupts.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20201016113835.17465-4-kraxel@redhat.com
Restricting xen-set-global-dirty-log and xen-load-devices-state
commands migration.json pulls slightly less QAPI-generated code
into user-mode and tools.
Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20201012121536.3381997-6-philmd@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Commit 7998beb9c2 removed the ram_size initialization in the
arm_boot_info structure, however it is used by arm_load_kernel().
Initialize the field to fix:
$ qemu-system-arm -M n800 -append 'console=ttyS1' \
-kernel meego-arm-n8x0-1.0.80.20100712.1431-vmlinuz-2.6.35~rc4-129.1-n8x0
qemu-system-arm: kernel 'meego-arm-n8x0-1.0.80.20100712.1431-vmlinuz-2.6.35~rc4-129.1-n8x0' is too large to fit in RAM (kernel size 1964608, RAM size 0)
Noticed while running the test introduced in commit 050a82f0c5
("tests/acceptance: Add a test for the N800 and N810 arm machines").
Fixes: 7998beb9c2 ("arm/nseries: use memdev for RAM")
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-id: 20201019095148.1602119-1-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
VMStateDescription.fields should be end with VMSTATE_END_OF_LIST().
However, microbit_i2c_vmstate doesn't follow it. Let's change it.
Fixes: 9d68bf564e ("arm: Stub out NRF51 TWI magnetometer/accelerometer detection")
Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Peng Liang <liangpeng10@huawei.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20201019093401.2993833-1-liangpeng10@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The IRQ values are defined few lines earlier, use them instead of
the magic numbers.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20201017180731.1165871-3-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add trace events for GPU and CPU IRQs.
Reviewed-by: Luc Michel <luc.michel@greensocs.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20201017180731.1165871-2-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The SYS_timer is not directly wired to the ARM core, but to the
SoC (peripheral) interrupt controller.
Fixes: 0e5bbd7406 ("hw/arm/bcm2835_peripherals: Use the SYS_timer")
Reviewed-by: Luc Michel <luc.michel@greensocs.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20201010203709.3116542-5-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This peripheral has 1 free-running timer and 4 compare registers.
Only the free-running timer is implemented. Add support the
COMPARE registers (each register is wired to an IRQ).
Reference: "BCM2835 ARM Peripherals" datasheet [*]
chapter 12 "System Timer":
The System Timer peripheral provides four 32-bit timer channels
and a single 64-bit free running counter. Each channel has an
output compare register, which is compared against the 32 least
significant bits of the free running counter values. When the
two values match, the system timer peripheral generates a signal
to indicate a match for the appropriate channel. The match signal
is then fed into the interrupt controller.
This peripheral is used since Linux 3.7, commit ee4af5696720
("ARM: bcm2835: add system timer").
[*] https://www.raspberrypi.org/app/uploads/2012/02/BCM2835-ARM-Peripherals.pdf
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Luc Michel <luc@lmichel.fr>
Message-id: 20201010203709.3116542-4-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The variable holding the CTRL_STATUS register is misnamed
'status'. Rename it 'ctrl_status' to make it more obvious
this register is also used to control the peripheral.
Reviewed-by: Luc Michel <luc.michel@greensocs.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20201010203709.3116542-3-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Use the BCM2835_SYSTIMER_COUNT definition instead of the
magic '4' value.
Reviewed-by: Luc Michel <luc.michel@greensocs.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20201010203709.3116542-2-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
While APEI is a generic ACPI feature (usable by X86 and ARM64), only
the 'virt' machine uses it, by enabling the RAS Virtualization. See
commit 2afa8c8519: "hw/arm/virt: Introduce a RAS machine option").
Restrict the APEI tables generation code to the single user: the virt
machine. If another machine wants to use it, it simply has to 'select
ACPI_APEI' in its Kconfig.
Fixes: aa16508f1d ("ACPI: Build related register address fields via hardware error fw_cfg blob")
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Dongjiu Geng <gengdongjiu@huawei.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20201008161414.2672569-1-philmd@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The time to transmit a char is expressed in nanoseconds, not in ticks.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20201014213601.205222-1-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
xen-save-devices-state doesn't currently generate a vmdesc, so restore
always triggers "Expected vmdescription section, but got 0". This is
not a problem when restore comes from a file. However, when QEMU runs
in a linux stubdom and comes over a console, EOF is not received. This
causes a delay restoring - though it does restore.
Setting suppress-vmdesc skips looking for the vmdesc during restore and
avoids the wait.
The other approach would be generate a vmdesc in qemu_save_device_state.
Since COLO shared that function, and the vmdesc is just discarded on
restore, we choose to skip it.
Reported-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Signed-off-by: Jason Andryuk <jandryuk@gmail.com>
Acked-by: Anthony PERARD <anthony.perard@citrix.com>
Message-Id: <20201013190506.3325-1-jandryuk@gmail.com>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Currently a single watch on /local/domain/X/backend is registered by each
QEMU process running in service domain X (where X is usually 0). The purpose
of this watch is to ensure that QEMU is notified when the Xen toolstack
creates a new device backend area.
Such a backend area is specific to a single frontend area created for a
specific guest domain and, since each QEMU process is also created to service
a specfic guest domain, it is unnecessary and inefficient to notify all QEMU
processes.
Only the QEMU process associated with the same guest domain need
receive the notification. This patch re-factors the watch registration code
such that notifications are targetted appropriately.
Reported-by: Jerome Leseinne <jerome.leseinne@gmail.com>
Signed-off-by: Paul Durrant <pdurrant@amazon.com>
Reviewed-by: Anthony PERARD <anthony.perard@citrix.com>
Message-Id: <20201001081500.1026-1-paul@xen.org>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
There's no references in only file which includes xenguest.h
to any xen definitions. And there's no references to -lxenguest
in qemu, either. Drop it.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Anthony PERARD <anthony.perard@citrix.com>
Message-Id: <20200727140048.19779-1-mjt@msgid.tls.msk.ru>
[perard: rebased]
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
The currently existing 9pfs test cases are all solely using the 9pfs 'synth'
fileystem driver, which is a very simple and purely simulated (in RAM only)
filesystem. There are issues though where the 'synth' fs driver is not
sufficient. For example the following two bugs need test cases running the
9pfs 'local' fs driver:
https://bugs.launchpad.net/qemu/+bug/1336794https://bugs.launchpad.net/qemu/+bug/1877384
This patch set for that reason introduces 9pfs test cases using the 9pfs
'local' filesystem driver along to the already existing tests on 'synth'.
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Merge remote-tracking branch 'remotes/cschoenebeck/tags/pull-9p-20201019' into staging
9pfs: add tests using local fs driver
The currently existing 9pfs test cases are all solely using the 9pfs 'synth'
fileystem driver, which is a very simple and purely simulated (in RAM only)
filesystem. There are issues though where the 'synth' fs driver is not
sufficient. For example the following two bugs need test cases running the
9pfs 'local' fs driver:
https://bugs.launchpad.net/qemu/+bug/1336794https://bugs.launchpad.net/qemu/+bug/1877384
This patch set for that reason introduces 9pfs test cases using the 9pfs
'local' filesystem driver along to the already existing tests on 'synth'.
# gpg: Signature made Mon 19 Oct 2020 13:39:08 BST
# gpg: using RSA key 96D8D110CF7AF8084F88590134C2B58765A47395
# gpg: issuer "qemu_oss@crudebyte.com"
# gpg: Good signature from "Christian Schoenebeck <qemu_oss@crudebyte.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: ECAB 1A45 4014 1413 BA38 4926 30DB 47C3 A012 D5F4
# Subkey fingerprint: 96D8 D110 CF7A F808 4F88 5901 34C2 B587 65A4 7395
* remotes/cschoenebeck/tags/pull-9p-20201019:
tests/9pfs: add local Tmkdir test
tests/9pfs: add virtio_9p_test_path()
tests/9pfs: wipe local 9pfs test directory
tests/9pfs: introduce local tests
tests/9pfs: change qtest name prefix to synth
9pfs: suppress performance warnings on qtest runs
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Don't trigger any performance warning if we're just running test cases,
because tests intentionally run for edge cases.
So far performance warnings were suppressed for the 'synth' fs driver
backend only. This patch suppresses them for all 9p fs driver backends.
Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Message-Id: <a2d2ff2163f8853ea782a7a1d4e6f2afd7c29ffe.1603106145.git.qemu_oss@crudebyte.com>
Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
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Merge remote-tracking branch 'remotes/mcayland/tags/qemu-macppc-20201019' into staging
qemu-macppc updates
# gpg: Signature made Mon 19 Oct 2020 08:13:16 BST
# gpg: using RSA key CC621AB98E82200D915CC9C45BC2C56FAE0F321F
# gpg: issuer "mark.cave-ayland@ilande.co.uk"
# gpg: Good signature from "Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>" [full]
# Primary key fingerprint: CC62 1AB9 8E82 200D 915C C9C4 5BC2 C56F AE0F 321F
* remotes/mcayland/tags/qemu-macppc-20201019:
mac_oldworld: Change PCI address of macio to match real hardware
mac_oldworld: Drop some variables
mac_oldworld: Drop a variable, use get_system_memory() directly
mac_newworld: Allow loading binary ROM image
mac_oldworld: Allow loading binary ROM image
m48t59: remove legacy m48t59_init() function
ppc405_boards: use qdev properties instead of legacy m48t59_init() function
sun4u: use qdev properties instead of legacy m48t59_init() function
sun4m: use qdev properties instead of legacy m48t59_init() function
m48t59-isa: remove legacy m48t59_init_isa() function
uninorth: use qdev gpios for PCI IRQs
grackle: use qdev gpios for PCI IRQs
macio: don't reference serial_hd() directly within the device
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
. Fix some comment spelling errors
. Demacro some TCG helpers
. Add loongson-ext lswc2/lsdc2 group of instructions
. Log unimplemented cache opcode
. Increase number of TLB entries on the 34Kf core
. Allow the CPU to use dynamic frequencies
. Calculate the CP0 timer period using the CPU frequency
. Set CPU frequency for each machine
. Fix Malta FPGA I/O region size
. Allow running qtests when ROM is missing
. Add record/replay acceptance tests
. Update MIPS CPU documentation
. MAINTAINERS updates
CI jobs results:
https://gitlab.com/philmd/qemu/-/pipelines/203931842https://travis-ci.org/github/philmd/qemu/builds/736491461https://cirrus-ci.com/build/6272264062631936https://app.shippable.com/github/philmd/qemu/runs/886/summary/console
-----BEGIN PGP SIGNATURE-----
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Merge remote-tracking branch 'remotes/philmd-gitlab/tags/mips-next-20201017' into staging
MIPS patches queue
. Fix some comment spelling errors
. Demacro some TCG helpers
. Add loongson-ext lswc2/lsdc2 group of instructions
. Log unimplemented cache opcode
. Increase number of TLB entries on the 34Kf core
. Allow the CPU to use dynamic frequencies
. Calculate the CP0 timer period using the CPU frequency
. Set CPU frequency for each machine
. Fix Malta FPGA I/O region size
. Allow running qtests when ROM is missing
. Add record/replay acceptance tests
. Update MIPS CPU documentation
. MAINTAINERS updates
CI jobs results:
https://gitlab.com/philmd/qemu/-/pipelines/203931842https://travis-ci.org/github/philmd/qemu/builds/736491461https://cirrus-ci.com/build/6272264062631936https://app.shippable.com/github/philmd/qemu/runs/886/summary/console
# gpg: Signature made Sat 17 Oct 2020 14:59:53 BST
# gpg: using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD 6BB2 E3E3 2C2C DEAD C0DE
* remotes/philmd-gitlab/tags/mips-next-20201017: (44 commits)
target/mips: Increase number of TLB entries on the 34Kf core (16 -> 64)
MAINTAINERS: Remove duplicated Malta test entries
MAINTAINERS: Downgrade MIPS Boston to 'Odd Fixes', fix Paul Burton mail
MAINTAINERS: Put myself forward for MIPS target
MAINTAINERS: Remove myself
docs/system: Update MIPS CPU documentation
tests/acceptance: Add MIPS record/replay tests
hw/mips: Remove exit(1) in case of missing ROM
hw/mips: Rename TYPE_MIPS_BOSTON to TYPE_BOSTON
hw/mips: Simplify code using ROUND_UP(INITRD_PAGE_SIZE)
hw/mips: Simplify loading 64-bit ELF kernels
hw/mips/malta: Use clearer qdev style
hw/mips/malta: Move gt64120 related code together
hw/mips/malta: Fix FPGA I/O region size
target/mips/cpu: Display warning when CPU is used without input clock
hw/mips/cps: Do not allow use without input clock
hw/mips/malta: Set CPU frequency to 320 MHz
hw/mips/boston: Set CPU frequency to 1 GHz
hw/mips/cps: Expose input clock and connect it to CPU cores
hw/mips/jazz: Correct CPU frequencies
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Check the value of mps to avoid potential divide-by-zero later in the function.
Since HCCHAR_MPS is guest controllable, this prevents a malicious/buggy guest
from crashing the QEMU process on the host.
Signed-off-by: Mauro Matteo Cascella <mcascell@redhat.com>
Reviewed-by: Paul Zimmerman <pauldzim@gmail.com>
Reported-by: Gaoning Pan <gaoning.pgn@antgroup.com>
Reported-by: Xingwei Lin <linyi.lxw@antfin.com>
Message-id: 20201015075957.268823-1-mcascell@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The EHCI Host Controller emulation attempt to locate the device
associated with a periodic isochronous transfer description (iTD) and
when this fail the host controller is reset.
But according the EHCI spec 1.0 section 5.15.2.4 Host System
Error, the host controller is supposed to reset itself only when it
failed to communicate with the Host (Operating System), like when
there's an error on the PCI bus. If a transaction fails, there's
nothing in the spec that say to reset the host controller.
This patch rework the error path so that the host controller can keep
working when the OS setup a bogus transaction, it also revert to the
behavior of the EHCI emulation to before commits:
e94682f1fe ("ehci: check device is not NULL before calling usb_ep_get()")
7011baece2 ("usb: remove unnecessary NULL device check from usb_ep_get()")
The issue has been found while trying to passthrough a USB device to a
Windows Server 2012 Xen guest via "usb-ehci", which prevent the USB
device from working in Windows. ("usb-ehci" alone works, windows only
setup this weird periodic iTD to device 127 endpoint 15 when the USB
device is passthrough.)
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Message-id: 20201014104106.2962640-1-anthony.perard@citrix.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Change several assert()s to qemu_log_mask(LOG_GUEST_ERROR...),
to prevent the guest from causing Qemu to assert. Also fix up
several existing qemu_log_mask()s to include the function name in
the message.
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paul Zimmerman <pauldzim@gmail.com>
Message-id: 20200920021449.830-1-pauldzim@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The board firmware expect these to be at fixed addresses and programs
them without probing, this patch puts the macio device at the expected
PCI address.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <f14bcaf3cf129500710ba5289980a134086bd949.1602805637.git.balaton@eik.bme.hu>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Values not used frequently enough may not worth putting in a local
variable, especially with names almost as long as the original value
because that does not improve readability, to the contrary it makes it
harder to see what value is used. Drop a few such variables.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <d67bc8d914a366ca6822b5190c1308d31af5c9b3.1602805637.git.balaton@eik.bme.hu>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Half of the occurances already use get_system_memory() directly
instead of sysmem variable, convert the two other uses to
get_system_memory() too which seems to be more common and drop the
variable.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <b4c714e03690deb6f94f80f7a5b2af47d90550ae.1602805637.git.balaton@eik.bme.hu>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Fall back to load binary ROM image if loading ELF fails. This also
moves PROM_BASE and PROM_SIZE defines to board as these are matching
the ROM size and address on this board and removes the now unused
PROM_ADDR and BIOS_SIZE defines from common mac.h.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <4d58ffe7645a0c746c8fed6aa8775c0867b624e0.1602805637.git.balaton@eik.bme.hu>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
The beige G3 Power Macintosh has a 4MB firmware ROM. Fix the size of
the rom region and fall back to loading a binary image with -bios if
loading ELF image failed. This allows testing emulation with a ROM
image from real hardware as well as using an ELF OpenBIOS image.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20201017155139.5A36A746331@zero.eik.bme.hu>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Now that all of the callers of this function have been switched to use qdev
properties, this legacy init function can now be removed.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20201016182739.22875-6-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Hervé Poussineau <hpoussin@reactos.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
This function is no longer used within the codebase.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20201016182739.22875-2-mark.cave-ayland@ilande.co.uk>
Reviewed-by: Hervé Poussineau <hpoussin@reactos.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Currently an object link property is used to pass a reference to the OpenPIC
into the PCI host bridge so that pci_unin_init_irqs() can connect the PCI
IRQs to the PIC itself.
This can be simplified by defining the PCI IRQs as qdev gpios and then wiring
up the PCI IRQs to the PIC in the New World machine init function.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20201013114922.2946-4-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Currently an object link property is used to pass a reference to the Heathrow
PIC into the PCI host bridge so that grackle_init_irqs() can connect the PCI
IRQs to the PIC itself.
This can be simplified by defining the PCI IRQs as qdev gpios and then wiring
up the PCI IRQs to the PIC in the Old World machine init function.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20201013114922.2946-3-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Instead use qdev_prop_set_chr() to configure the ESCC serial chardevs at the
Mac Old World and New World machine level.
Also remove the now obsolete comment referring to the use of serial_hd() and
the setting of user_creatable to false accordingly.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Message-Id: <20201013114922.2946-2-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
This patch updates MIPS-based machines to allow starting them without ROM.
In this case CPU starts to execute instructions from the empty memory,
but QEMU allows introspecting the machine configuration.
Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <159531210571.24117.231100997794891819.stgit@pasha-ThinkPad-X280>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This will make the type name constant consistent with the name of
the type checking macro.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200902224311.1321159-19-ehabkost@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Instead of using a INITRD_PAGE_MASK definition, use the
simpler INITRD_PAGE_SIZE one which allows us to simplify
the code by using directly the self-explicit ROUND_UP()
macro.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200927163943.614604-3-f4bug@amsat.org>
Since 8279006411 ("Cast ELF datatypes properly to host 64bit types")
we don't need to sign-extend the entry_point address. Remove this
unnecessary code.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200927163943.614604-2-f4bug@amsat.org>
In order to be consistent with the other code base uses,
rewrite slightly how the MIPS_MALTA object is created.
No logical change.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20201012160503.3472140-3-f4bug@amsat.org>
The 'empty_slot' region created is related to the gt64120.
Move its creation close to the gt64120 instance creation.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20201012160503.3472140-2-f4bug@amsat.org>
The FPGA present on the CoreCard has an I/O region 1MiB wide.
Refs:
- Atlas User’s Manual (Document Number: MD00005)
- Malta User’s Manual (Document Number: MD00048)
Fixes: ea85df72b6 ("mips_malta: convert to memory API")
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200905213049.761949-1-f4bug@amsat.org>
Now than all QOM users provides the input clock, do not allow
using a CPS without input clock connected.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20201012095804.3335117-21-f4bug@amsat.org>
The CoreLV card with ID 0x420's CPU clocked at 320 MHz. Create
a 'cpuclk' output clock and connect it to the CPU input clock.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20201012095804.3335117-20-f4bug@amsat.org>
The I6400 can run at 1 GHz or more. Create a 'cpuclk'
output clock and connect it to the CPU input clock.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20201012095804.3335117-19-f4bug@amsat.org>
Expose a qdev input clock named 'clk-in', and connect it to each
core to forward-propagate the clock.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20201012095804.3335117-18-f4bug@amsat.org>
The Magnum 4000PC CPU runs at 100 MHz, and the Acer PICA-61
CPU at ~134 MHz.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20201012095804.3335117-17-f4bug@amsat.org>
The MIPSsim machine CPU frequency is too fast running at 200 MHz,
while it should be 12 MHz for the 24K and 6 MHz for the 5K core.
Ref: Linux commit c78cbf49c4ed
("Support for MIPSsim, the cycle accurate MIPS simulator.")
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20201012095804.3335117-16-f4bug@amsat.org>
The CPU frequency is normally provided by the firmware in the
"cpuclock" environment variable. The 2E board can handles up
to 660MHz, but be conservative and take the same value used
by the Linux kernel: 533 MHz.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Message-Id: <20201012095804.3335117-15-f4bug@amsat.org>
Since its introduction in commit 6af0bf9c7c,
the 'r4k' machine runs at 200 MHz.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20201012095804.3335117-14-f4bug@amsat.org>
This function creates a clock and parents it to another object with a
given name. It calls clock_setup_canonical_path before returning the
new clock.
This function is useful to create clocks in devices when one doesn't
want to expose it at the qdev level (as an input or an output).
Suggested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Luc Michel <luc@lmichel.fr>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20201010135759.437903-4-luc@lmichel.fr>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Instead of directly aborting, display a hint to help the developer
figure out the problem (likely trying to connect a clock to a device
pre-dating the Clock API, thus not expecting clocks).
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Luc Michel <luc@lmichel.fr>
Reviewed-by: Damien Hedde <damien.hedde@greensocs.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-Id: <20201012095804.3335117-4-f4bug@amsat.org>
Implement the ability of marking some versions deprecated. When
that CPU model is chosen, print a warning. The warning message
can be customized, e.g. suggesting an alternative CPU model to be
used instead.
The deprecation message will be printed by x86_cpu_list_entry(),
e.g. '-cpu help'.
QMP command 'query-cpu-definitions' will return a bool value
indicating the deprecation status.
Signed-off-by: Robert Hoo <robert.hu@linux.intel.com>
Message-Id: <1600758855-80046-1-git-send-email-robert.hu@linux.intel.com>
[ehabkost: reword commit message]
[ehabkost: Handle NULL cpu_type]
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
As IRQ routing is always available on x86,
kvm_allows_irq0_override() will always return true, so we don't
need the function anymore.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200922201922.2153598-4-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
KVM_CAP_IRQ_ROUTING is always available on x86, so replace checks
for kvm_has_gsi_routing() and KVM_CAP_IRQ_ROUTING with asserts.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200922201922.2153598-3-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Class properties make QOM introspection simpler and easier, as
they don't require an object to be instantiated.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200921221045.699690-22-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
'occupied' is spelled like 'ocuppied' in the message.
Signed-off-by: Julia Suvorova <jusual@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20201006133958.600932-1-jusual@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
As the 'timestamp' variable is declared as a 48-bit bitfield,
we do not need to wrap the sum result.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Klaus Jensen <k.jensen@samsung.com>
Message-Id: <20201002075716.1657849-1-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Currently scsi_target_emulate_report_luns iterates over the child device list
twice, and there is no guarantee that this list is the same in both iterations.
The reason for iterating twice is that the first iteration calculates
how much memory to allocate. However if we use a dynamic array we can
avoid iterating twice, and therefore we avoid this race.
Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=1866707
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20200913160259.32145-10-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20201006123904.610658-14-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This will help us to avoid the scsi device disappearing
after we took a reference to it.
It doesn't by itself forbid case when we try to access
an unrealized device
Suggested-by: Stefan Hajnoczi <stefanha@gmail.com>
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20200913160259.32145-9-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20201006123904.610658-13-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Add scsi_device_get which finds the scsi device
and takes a reference to it.
Suggested-by: Stefan Hajnoczi <stefanha@gmail.com>
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20200913160259.32145-8-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20201006123904.610658-12-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The device core first places a device on the bus and then realizes it.
Make scsi_device_find avoid returing such devices to avoid
races in drivers that use an iothread (currently virtio-scsi)
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1812399
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20200913160259.32145-7-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20201006123904.610658-11-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Some code might race with placement of new devices on a bus.
We currently first place a (unrealized) device on the bus
and then realize it.
As a workaround, users that scan the child device list, can
check the realized property to see if it is safe to access such a device.
Use an atomic write here too to aid with this.
A separate discussion is what to do with devices that are unrealized:
It looks like for this case we only call the hotplug handler's unplug
callback and its up to it to unrealize the device.
An atomic operation doesn't cause harm for this code path though.
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20200913160259.32145-6-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20201006123904.610658-10-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20201006123904.610658-6-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This fixes the race between device emulation code that tries to find
a child device to dispatch the request to (e.g a scsi disk),
and hotplug of a new device to that bus.
Note that this doesn't convert all the readers of the list
but only these that might go over that list without BQL held.
This is a very small first step to make this code thread safe.
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20200913160259.32145-5-mlevitsk@redhat.com>
[Use RCU_READ_LOCK_GUARD in more places, adjust testcase now that
the delay in DEVICE_DELETED due to RCU is more consistent. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20201006123904.610658-9-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This change will allow us to convert the bus children list to RCU,
while not changing the logic of this function
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20200913160259.32145-2-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Check if an address is free on the bus before plugging in the
device. This makes it possible to do the check without any
side effects, and to detect the problem early without having
to do it in the realize callback.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20201006123904.610658-5-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
While the FW_CFG_DATA_GENERATOR_INTERFACE is only consumed
by a device only available using system-mode (fw_cfg), it is
implemented by a crypto component (tls-cipher-suites) which
is always available when crypto is used.
Commit 69699f3055 introduced the following error in the
qemu-storage-daemon binary:
$ echo -e \
'{"execute": "qmp_capabilities"}\r\n{"execute": "qom-list-types"}\r\n{"execute": "quit"}\r\n' \
| storage-daemon/qemu-storage-daemon --chardev stdio,id=qmp0 --monitor qmp0
{"QMP": {"version": {"qemu": {"micro": 50, "minor": 1, "major": 5}, "package": ""}, "capabilities": ["oob"]}}
{"return": {}}
missing interface 'fw_cfg-data-generator' for object 'tls-creds'
Aborted (core dumped)
Since QOM dependencies are resolved at runtime, this issue
could not be triggered at linktime, and we don't have test
running the qemu-storage-daemon binary.
Fix by always registering the QOM interface.
Reported-by: Kevin Wolf <kwolf@redhat.com>
Fixes: 69699f3055 ("crypto/tls-cipher-suites: Produce fw_cfg consumable blob")
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20201006111909.2302081-2-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Be consistent creating all the libraries in the main meson.build file.
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20201006125602.2311423-4-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
A recent change to weak reset handling broke replay due to the use of
aio_bh_schedule_oneshot instead of the replay aware
replay_bh_schedule_oneshot_event.
Fixes: 55adb3c456 ("ide: cancel pending callbacks on SRST")
Suggested-by: Pavel Dovgalyuk <pavel.dovgalyuk@ispras.ru>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: John Snow <jsnow@redhat.com>
Acked-by: John Snow <jsnow@redhat.com>
Message-Id: <20201007160038.26953-4-alex.bennee@linaro.org>
In commit 102ca9667d we set "start-powered-off" on all vCPUs
included in the CPS (Coherent Processing System) but forgot to
start the vCPUS on when they are powered on in the CPC (Cluster
Power Controller).
This fixes the following tests:
$ avocado run tests/acceptance/machine_mips_malta.py
(1/3) test_mips_malta_i6400_framebuffer_logo_1core: PASS (3.67 s)
(2/3) test_mips_malta_i6400_framebuffer_logo_7cores: INTERRUPTED: Test interrupted by SIGTERM (30.22 s)
(3/3) test_mips_malta_i6400_framebuffer_logo_8cores: INTERRUPTED: Test interrupted by SIGTERM (30.25 s)
RESULTS : PASS 1 | ERROR 0 | FAIL 0 | SKIP 0 | WARN 0 | INTERRUPT 2 | CANCEL 0
Fixes: 102ca9667d ("mips/cps: Use start-powered-off CPUState property")
Reported-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20201007113942.2523866-1-f4bug@amsat.org>
Message-Id: <20201007160038.26953-3-alex.bennee@linaro.org>
Here's the next set of ppc related patches for qemu-5.2. There are
two main things here:
* Cleanups to error handling in spapr from Greg Kurz
* Improvements to NUMA handling for spapr from Daniel Barboza
There are also a handful of other bugfixes.
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-5.2-20201009' into staging
ppc patch queue 2020-10-09
Here's the next set of ppc related patches for qemu-5.2. There are
two main things here:
* Cleanups to error handling in spapr from Greg Kurz
* Improvements to NUMA handling for spapr from Daniel Barboza
There are also a handful of other bugfixes.
# gpg: Signature made Fri 09 Oct 2020 07:02:29 BST
# gpg: using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full]
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full]
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full]
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown]
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392
* remotes/dgibson/tags/ppc-for-5.2-20201009:
specs/ppc-spapr-numa: update with new NUMA support
spapr_numa: consider user input when defining associativity
spapr_numa: change reference-points and maxdomain settings
spapr_numa: forbid asymmetrical NUMA setups
spapr: add spapr_machine_using_legacy_numa() helper
ppc/pnv: Increase max firmware size
spapr: Add a return value to spapr_check_pagesize()
spapr: Add a return value to spapr_nvdimm_validate()
spapr: Simplify error handling in spapr_cpu_core_realize()
spapr: Add a return value to spapr_set_vcpu_id()
spapr: Simplify error handling in prop_get_fdt()
spapr: Add a return value to spapr_drc_attach()
spapr: Simplify error handling in spapr_vio_busdev_realize()
spapr: Simplify error handling in do_client_architecture_support()
spapr: Get rid of cas_check_pvr() error reporting
spapr: Simplify error handling in callers of ppc_set_compat()
ppc: Fix return value in cpu_post_load() error path
ppc: Add a return value to ppc_set_compat() and ppc_set_compat_all()
spapr: Fix error leak in spapr_realize_vcpu()
spapr: Handle HPT allocation failure in nested guest
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
cur_mon really needs to be coroutine-local as soon as we move monitor
command handlers to coroutines and let them yield. As a first step, just
remove all direct accesses to cur_mon so that we can implement this in
the getter function later.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20201005155855.256490-4-kwolf@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Most callers actually don't have to rely on cur_mon, but already know
for which monitor they call monitor_get_cpu_index().
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20201005155855.256490-3-kwolf@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
A new function called spapr_numa_define_associativity_domains()
is created to calculate the associativity domains and change
the associativity arrays considering user input. This is how
the associativity domain between two NUMA nodes A and B is
calculated:
- get the distance D between them
- get the correspondent NUMA level 'n_level' for D. This is done
via a helper called spapr_numa_get_numa_level()
- all associativity arrays were initialized with their own
numa_ids, and we're calculating the distance in node_id ascending
order, starting from node id 0 (the first node retrieved by
numa_state). This will have a cascade effect in the algorithm because
the associativity domains that node 0 defines will be carried over to
other nodes, and node 1 associativities will be carried over after
taking node 0 associativities into account, and so on. This
happens because we'll assign assoc_src as the associativity domain
of dst as well, for all NUMA levels beyond and including n_level.
The PPC kernel expects the associativity domains of the first node
(node id 0) to be always 0 [1], and this algorithm will grant that
by default.
Ultimately, all of this results in a best effort approximation for
the actual NUMA distances the user input in the command line. Given
the nature of how PAPR itself interprets NUMA distances versus the
expectations risen by how ACPI SLIT works, there might be better
algorithms but, in the end, it'll also result in another way to
approximate what the user really wanted.
To keep this commit message no longer than it already is, the next
patch will update the existing documentation in ppc-spapr-numa.rst
with more in depth details and design considerations/drawbacks.
[1] https://lore.kernel.org/linuxppc-dev/5e8fbea3-8faf-0951-172a-b41a2138fbcf@gmail.com/
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20201007172849.302240-5-danielhb413@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This is the first guest visible change introduced in
spapr_numa.c. The previous settings of both reference-points
and maxdomains were too restrictive, but enough for the
existing associativity we're setting in the resources.
We'll change that in the following patches, populating the
associativity arrays based on user input. For those changes
to be effective, reference-points and maxdomains must be
more flexible. After this patch, we'll have 4 distinct
levels of NUMA (0x4, 0x3, 0x2, 0x1) and maxdomains will
allow for any type of configuration the user intends to
do - under the scope and limitations of PAPR itself, of
course.
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20201007172849.302240-4-danielhb413@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The pSeries machine does not support asymmetrical NUMA
configurations. This doesn't make much of a different
since we're not using user input for pSeries NUMA setup,
but this will change in the next patches.
To avoid breaking existing setups, gate this change by
checking for legacy NUMA support.
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20201007172849.302240-3-danielhb413@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The changes to come to NUMA support are all guest visible. In
theory we could just create a new 5_1 class option flag to
avoid the changes to cascade to 5.1 and under. The reality is that
these changes are only relevant if the machine has more than one
NUMA node. There is no need to change guest behavior that has
been around for years needlesly.
This new helper will be used by the next patches to determine
whether we should retain the (soon to be) legacy NUMA behavior
in the pSeries machine. The new behavior will only be exposed
if:
- machine is pseries-5.2 and newer;
- more than one NUMA node is declared in NUMA state.
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20201007172849.302240-2-danielhb413@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Builds enabling GCOV can be bigger than 4MB and the limit on FSP
systems is 16MB.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20201002091440.1349326-1-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
As recommended in "qapi/error.h", return true on success and false on
failure. This allows to reduce error propagation overhead in the callers.
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <20200914123505.612812-14-groug@kaod.org>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
As recommended in "qapi/error.h", return true on success and false on
failure. This allows to reduce error propagation overhead in the callers.
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <20200914123505.612812-13-groug@kaod.org>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Philippe Mathieu-Daudé
Gerd Hoffmann
Philippe Mathieu-Daudé
Peng Liang
Jason Andryuk
Paul Durrant
Michael Tokarev
Peter Maydell
Christian Schoenebeck
Mauro Matteo Cascella
Anthony PERARD
Paul Zimmerman
BALATON Zoltan
Mark Cave-Ayland
Pavel Dovgalyuk
Eduardo Habkost
Luc Michel
Robert Hoo
Laurent Vivier
Julia Suvorova
Greg Kurz
Maxim Levitsky
Paolo Bonzini
Alex Bennée
Markus Armbruster
Kevin Wolf
Daniel Henrique Barboza
Cédric Le Goater