The current implementation lacks migration support. After migration,
vdagent support will be broken (even after a restart of the daemons).
Let's try to fix it in 6.2.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210805135715.857938-19-marcandre.lureau@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Rather than leaving the agent timing out or hanging, reply to it with an
empty result.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210805135715.857938-15-marcandre.lureau@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
The clipboard unit now tracks the current clipboard grab, no need to
duplicate this work.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210805135715.857938-14-marcandre.lureau@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Avoid handlers being called with dangling pointers when the object is
freed.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210805135715.857938-10-marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
"info" was leaked when more than 10 entries.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210805135715.857938-2-marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
First ppc pull request for qemu-6.2. As usual, there's a fair bit
here, since it's been queued during the 6.1 freeze. Highlights are:
* Some fixes for 128 bit arithmetic and some vector opcodes that use
them
* Significant improvements to the powernv to support POWER10 cpus
(more to come though)
* Several cleanups to the ppc softmmu code
* A few other assorted fixes
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Merge remote-tracking branch 'remotes/dg-gitlab/tags/ppc-for-6.2-20210827' into staging
ppc patch queue 2021-08-27
First ppc pull request for qemu-6.2. As usual, there's a fair bit
here, since it's been queued during the 6.1 freeze. Highlights are:
* Some fixes for 128 bit arithmetic and some vector opcodes that use
them
* Significant improvements to the powernv to support POWER10 cpus
(more to come though)
* Several cleanups to the ppc softmmu code
* A few other assorted fixes
# gpg: Signature made Fri 27 Aug 2021 08:09:12 BST
# gpg: using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full]
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full]
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full]
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown]
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392
* remotes/dg-gitlab/tags/ppc-for-6.2-20210827:
target/ppc: fix vector registers access in gdbstub for little-endian
include/qemu/int128.h: introduce bswap128s
target/ppc: fix vextu[bhw][lr]x helpers
include/qemu/int128.h: define struct Int128 according to the host endianness
ppc/xive: Export xive_presenter_notify()
ppc/xive: Export PQ get/set routines
ppc/pnv: add a chip topology index for POWER10
ppc/pnv: Distribute RAM among the chips
ppc/pnv: Use a simple incrementing index for the chip-id
ppc/pnv: powerpc_excp: Do not discard HDECR exception when entering power-saving mode
ppc/pnv: Change the POWER10 machine to support DD2 only
ppc: Add a POWER10 DD2 CPU
ppc/pnv: update skiboot to commit 820d43c0a775.
target/ppc: moved store_40x_sler to helper_regs.c
target/ppc: moved ppc_store_sdr1 to mmu_common.c
target/ppc: divided mmu_helper.c in 2 files
spapr_pci: Fix leak in spapr_phb_vfio_get_loc_code() with g_autofree
xive: Remove extra '0x' prefix in trace events
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
As vector registers are stored in host endianness, we shouldn't swap its
64-bit elements in user mode. Add a 16-byte case in
ppc_maybe_bswap_register to handle the reordering of elements in softmmu
and remove avr_need_swap which is now unused.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20210826145656.2507213-3-matheus.ferst@eldorado.org.br>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Changes the current bswap128 implementation to use __builtin_bswap128
when available, adds a bswap128 implementation for !CONFIG_INT128
builds, and introduces bswap128s based on bswap128.
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20210826145656.2507213-2-matheus.ferst@eldorado.org.br>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
These helpers shouldn't depend on the host endianness, as they only use
shifts, ands, and int128_* methods.
Fixes: 60caf2216b ("target-ppc: add vextu[bhw][lr]x instructions")
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20210826141446.2488609-3-matheus.ferst@eldorado.org.br>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
It's generic enough to be used from the XIVE2 router and avoid more
duplication.
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20210809134547.689560-9-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
These will be shared with the XIVE2 router.
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20210809134547.689560-8-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
But always give the first 1GB to chip 0 as skiboot requires it.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20210809134547.689560-6-clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
When the QEMU PowerNV machine was introduced, multi chip support
modeled a two socket system with dual chip modules as found on some P8
Tuleta systems (8286-42A). But this is hardly used and not relevant
for QEMU. Use a simple index instead.
With this change, we can now increase the max socket number to 16 as
found on high end systems.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20210809134547.689560-5-clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The Hypervisor Decrementer exception should not be generated while the
CPU is in power-saving mode (see cpu_ppc_hdecr_excp()). However,
discarding the exception before entering the power-saving mode is
wrong since we would loose a previously generated HDEC.
Fixes: 4b236b621b ("ppc: Initial HDEC support")
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20210809134547.689560-4-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
There is no need to keep the DD1 chip model as it will never be
publicly available.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20210809134547.689560-3-clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The POWER10 DD2 CPU adds an extra LPCR[HAIL] bit. DD1 doesn't have
HAIL but since it does not break the modeling and that we don't plan
to support DD1, modify the LPCR mask of all the POWER10 family.
Setting the HAIL bit is a requirement to support the scv instruction
on PowerNV POWER10 platforms since glibc-2.33.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20210809134547.689560-2-clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
It includes support for the POWER10 processor and the QEMU platform.
Built from submodule.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20210806180040.156999-1-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
moved store_40x_sler from mmu_common.c to helper_regs.c as it is
a function to store a value in a special purpose register, so
moving it to a file focused in special register manipulation
is more appropriate.
Signed-off-by: Lucas Mateus Castro (alqotel) <lucas.araujo@eldorado.org.br>
Message-Id: <20210723175627.72847-4-lucas.araujo@eldorado.org.br>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
ppc_store_sdr1 was at first in mmu_helper.c and was moved as part
the patches to enable the disable-tcg option, now it's being moved
back to a file that will be compiled with that option
Signed-off-by: Lucas Mateus Castro (alqotel) <lucas.araujo@eldorado.org.br>
Message-Id: <20210723175627.72847-3-lucas.araujo@eldorado.org.br>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Divided mmu_helper.c in 2 files, functions inside #ifdef CONFIG_SOFTMMU
stayed in mmu_helper.c, other functions moved to mmu_common.c. Updated
meson.build to compile mmu_common.c and only compile mmu_helper.c when
CONFIG_TCG is set.
Moved function declarations, #define and structs used by both files to
internal.h except for functions that use structures defined in cpu.h,
those were moved to cpu.h.
Signed-off-by: Lucas Mateus Castro (alqotel) <lucas.araujo@eldorado.org.br>
Message-Id: <20210723175627.72847-2-lucas.araujo@eldorado.org.br>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This uses g_autofree to simplify logic in spapr_phb_vfio_get_loc_code(),
in the process fixing a leak in one of the paths. I'm told this fixes
Coverity error CID 1460454
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Fixes: 16b0ea1d85 ("spapr_pci: populate ibm,loc-code")
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
* hw/dma/xlnx-zdma, xlnx_csu_dma: Require 'dma' link property to be set
* hw/arm/Kconfig: no need to enable ACPI_MEMORY_HOTPLUG/ACPI_NVDIMM explicitly
* target/arm/cpu: Introduce sve_vq_supported bitmap
* docs/specs: Convert ACPI spec docs to rST
* arch_init: Clean up and refactoring
* hw/core/loader: In gunzip(), check index is in range before use, not after
* softmmu/physmem.c: Remove unneeded NULL check in qemu_ram_alloc_from_fd()
* softmmu/physmem.c: Check return value from realpath()
* Zero-initialize sockaddr_in structs
* raspi: Use error_fatal for SoC realize errors, not error_abort
* target/arm: Avoid assertion trying to use KVM and multiple ASes
* target/arm: Implement HSTR.TTEE
* target/arm: Implement HSTR.TJDBX
* target/arm: Do hflags rebuild in cpsr_write()
* hw/arm/xlnx-versal, xlnx-zynqmp: Add unimplemented APU mmio
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20210826' into staging
target-arm queue:
* hw/dma/xlnx-zdma, xlnx_csu_dma: Require 'dma' link property to be set
* hw/arm/Kconfig: no need to enable ACPI_MEMORY_HOTPLUG/ACPI_NVDIMM explicitly
* target/arm/cpu: Introduce sve_vq_supported bitmap
* docs/specs: Convert ACPI spec docs to rST
* arch_init: Clean up and refactoring
* hw/core/loader: In gunzip(), check index is in range before use, not after
* softmmu/physmem.c: Remove unneeded NULL check in qemu_ram_alloc_from_fd()
* softmmu/physmem.c: Check return value from realpath()
* Zero-initialize sockaddr_in structs
* raspi: Use error_fatal for SoC realize errors, not error_abort
* target/arm: Avoid assertion trying to use KVM and multiple ASes
* target/arm: Implement HSTR.TTEE
* target/arm: Implement HSTR.TJDBX
* target/arm: Do hflags rebuild in cpsr_write()
* hw/arm/xlnx-versal, xlnx-zynqmp: Add unimplemented APU mmio
# gpg: Signature made Thu 26 Aug 2021 18:02:10 BST
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE
* remotes/pmaydell/tags/pull-target-arm-20210826: (37 commits)
hw/arm/xlnx-zynqmp: Add unimplemented APU mmio
hw/arm/xlnx-versal: Add unimplemented APU mmio
target/arm: Do hflags rebuild in cpsr_write()
target/arm: Implement HSTR.TJDBX
target/arm: Implement HSTR.TTEE
hw/arm/virt: Delete EL3 error checksnow provided in CPU realize
target/arm: Avoid assertion trying to use KVM and multiple ASes
raspi: Use error_fatal for SoC realize errors, not error_abort
tests/tcg/multiarch/linux-test: Zero-initialize sockaddr structs
tests/qtest/ipmi-bt-test: Zero-initialize sockaddr struct
gdbstub: Zero-initialize sockaddr structs
net: Zero sockaddr_in in parse_host_port()
softmmu/physmem.c: Check return value from realpath()
softmmu/physmem.c: Remove unneeded NULL check in qemu_ram_alloc_from_fd()
hw/core/loader: In gunzip(), check index is in range before use, not after
stubs: Remove unused arch_type.c stub
arch_init.h: Don't include arch_init.h unnecessarily
arch_init.h: Move QEMU_ARCH_VIRTIO_* to qdev-monitor.c
arch_init.h: Add QEMU_ARCH_HEXAGON
meson.build: Define QEMU_ARCH in config-target.h
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Currently we rely on all the callsites of cpsr_write() to rebuild the
cached hflags if they change one of the CPSR bits which we use as a
TB flag and cache in hflags. This is a bit awkward when we want to
change the set of CPSR bits that we cache, because it means we need
to re-audit all the cpsr_write() callsites to see which flags they
are writing and whether they now need to rebuild the hflags.
Switch instead to making cpsr_write() call arm_rebuild_hflags()
itself if one of the bits being changed is a cached bit.
We don't do the rebuild for the CPSRWriteRaw write type, because that
kind of write is generally doing something special anyway. For the
CPSRWriteRaw callsites in the KVM code and inbound migration we
definitely don't want to recalculate the hflags; the callsites in
boot.c and arm-powerctl.c have to do a rebuild-hflags call themselves
anyway because of other CPU state changes they make.
This allows us to drop explicit arm_rebuild_hflags() calls in a
couple of places where the only reason we needed to call it was the
CPSR write.
This fixes a bug where we were incorrectly failing to rebuild hflags
in the code path for a gdbstub write to CPSR, which meant that you
could make QEMU assert by breaking into a running guest, altering the
CPSR to change the value of, for example, CPSR.E, and then
continuing.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210817201843.3829-1-peter.maydell@linaro.org
In v7A, the HSTR register has a TJDBX bit which traps NS EL0/EL1
access to the JOSCR and JMCR trivial Jazelle registers, and also BXJ.
Implement these traps. In v8A this HSTR bit doesn't exist, so don't
trap for v8A CPUs.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210816180305.20137-3-peter.maydell@linaro.org
In v7, the HSTR register has a TTEE bit which allows EL0/EL1 accesses
to the Thumb2EE TEECR and TEEHBR registers to be trapped to the
hypervisor. Implement these traps.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210816180305.20137-2-peter.maydell@linaro.org
Now that the CPU realize function will fail cleanly if we ask for EL3
when KVM is enabled, we don't need to check for errors explicitly in
the virt board code. The reported message is slightly different;
it is now:
qemu-system-aarch64: Cannot enable KVM when guest CPU has EL3 enabled
instead of:
qemu-system-aarch64: mach-virt: KVM does not support Security extensions
We don't delete the MTE check because there the logic is more
complex; deleting the check would work but makes the error message
less helpful, as it would read:
qemu-system-aarch64: MTE requested, but not supported by the guest CPU
instead of:
qemu-system-aarch64: mach-virt: KVM does not support providing MTE to the guest CPU
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20210816135842.25302-4-peter.maydell@linaro.org
KVM cannot support multiple address spaces per CPU; if you try to
create more than one then cpu_address_space_init() will assert.
In the Arm CPU realize function, detect the configurations which
would cause us to need more than one AS, and cleanly fail the
realize rather than blundering on into the assertion. This
turns this:
$ qemu-system-aarch64 -enable-kvm -display none -cpu max -machine raspi3b
qemu-system-aarch64: ../../softmmu/physmem.c:747: cpu_address_space_init: Assertion `asidx == 0 || !kvm_enabled()' failed.
Aborted
into:
$ qemu-system-aarch64 -enable-kvm -display none -machine raspi3b
qemu-system-aarch64: Cannot enable KVM when guest CPU has EL3 enabled
and this:
$ qemu-system-aarch64 -enable-kvm -display none -machine mps3-an524
qemu-system-aarch64: ../../softmmu/physmem.c:747: cpu_address_space_init: Assertion `asidx == 0 || !kvm_enabled()' failed.
Aborted
into:
$ qemu-system-aarch64 -enable-kvm -display none -machine mps3-an524
qemu-system-aarch64: Cannot enable KVM when using an M-profile guest CPU
Fixes: https://gitlab.com/qemu-project/qemu/-/issues/528
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20210816135842.25302-3-peter.maydell@linaro.org
The SoC realize can fail for legitimate reasons, because it propagates
errors up from CPU realize, which in turn can be provoked by user
error in setting commandline options. Use error_fatal so we report
the error message to the user and exit, rather than asserting
via error_abort.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20210816135842.25302-2-peter.maydell@linaro.org
Zero-initialize sockaddr_in and sockaddr_un structs that we're about
to fill in and pass to bind() or connect(), to ensure we don't leave
possible implementation-defined extension fields as uninitialized
garbage.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 20210813150506.7768-5-peter.maydell@linaro.org
Zero-initialize the sockaddr_in struct that we're about to fill in
and pass to bind(), to ensure we don't leave possible
implementation-defined extension fields as uninitialized garbage.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Corey Minyard <cminyard@mvista.com>
Acked-by: Thomas Huth <thuth@redhat.com>
Message-id: 20210813150506.7768-4-peter.maydell@linaro.org
Peter Maydell
Marc-André Lureau
Matheus Ferst
Cédric Le Goater
Lucas Mateus Castro (alqotel)
David Gibson
Tong Ho