As part of converting -smp to a property with a QAPI type, define
the struct and use it to do the actual parsing. machine_smp_parse
takes care of doing the QemuOpts->QAPI conversion by hand, for now.
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210617155308.928754-10-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Clean up the smp_parse functions to use Error** instead of exiting.
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210617155308.928754-9-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Most of smp_parse and pc_smp_parse is guarded by an "if (opts)"
conditional, and the rest is common to both function. Move the
conditional and the common code to the caller, machine_smp_parse.
Move the replay_add_blocker call after all errors are checked for.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210617155308.928754-8-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
In order to make SMP configuration a Machine property, we need a getter as
well as a setter. To simplify the implementation put everything that the
getter needs in the CpuTopology struct.
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210617155308.928754-7-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Some machines use floppy controllers via the SysBus interface,
and don't need to pull in all the ISA code.
Extract the ISA specific code to a new unit: fdc-isa.c, and
add a new Kconfig symbol: "FDC_ISA".
This allows us to remove the FIXME from commit dd0ff8191a
("isa: express SuperIO dependencies with Kconfig").
Reviewed-by: John Snow <jsnow@redhat.com>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20210614193220.2007159-5-philmd@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
A bus lock is acquired through either split locked access to writeback
(WB) memory or any locked access to non-WB memory. It is typically >1000
cycles slower than an atomic operation within a cache and can also
disrupts performance on other cores.
Virtual Machines can exploit bus locks to degrade the performance of
system. To address this kind of performance DOS attack coming from the
VMs, bus lock VM exit is introduced in KVM and it can report the bus
locks detected in guest. If enabled in KVM, it would exit to the
userspace to let the user enforce throttling policies once bus locks
acquired in VMs.
The availability of bus lock VM exit can be detected through the
KVM_CAP_X86_BUS_LOCK_EXIT. The returned bitmap contains the potential
policies supported by KVM. The field KVM_BUS_LOCK_DETECTION_EXIT in
bitmap is the only supported strategy at present. It indicates that KVM
will exit to userspace to handle the bus locks.
This patch adds a ratelimit on the bus locks acquired in guest as a
mitigation policy.
Introduce a new field "bus_lock_ratelimit" to record the limited speed
of bus locks in the target VM. The user can specify it through the
"bus-lock-ratelimit" as a machine property. In current implementation,
the default value of the speed is 0 per second, which means no
restrictions on the bus locks.
As for ratelimit on detected bus locks, simply set the ratelimit
interval to 1s and restrict the quota of bus lock occurence to the value
of "bus_lock_ratelimit". A potential alternative is to introduce the
time slice as a property which can help the user achieve more precise
control.
The detail of bus lock VM exit can be found in spec:
https://software.intel.com/content/www/us/en/develop/download/intel-architecture-instruction-set-extensions-programming-reference.html
Signed-off-by: Chenyi Qiang <chenyi.qiang@intel.com>
Message-Id: <20210521043820.29678-1-chenyi.qiang@intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210614191335.1968807-2-stefanb@linux.ibm.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Headers should be included from the 'include/' directory,
not from the root directory.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-Id: <20210516205034.694788-1-f4bug@amsat.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
* Bump minimum versions of some requirements after removing CentOS 7 support
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Merge remote-tracking branch 'remotes/thuth-gitlab/tags/pull-request-2021-06-02' into staging
* Update the references to some doc files (use *.rst instead of *.txt)
* Bump minimum versions of some requirements after removing CentOS 7 support
# gpg: Signature made Wed 02 Jun 2021 08:12:18 BST
# 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
* remotes/thuth-gitlab/tags/pull-request-2021-06-02:
configure: bump min required CLang to 6.0 / XCode 10.0
configure: bump min required GCC to 7.5.0
configure: bump min required glib version to 2.56
tests/docker: drop CentOS 7 container
tests/vm: convert centos VM recipe to CentOS 8
crypto: drop used conditional check
crypto: bump min gnutls to 3.5.18, dropping RHEL-7 support
crypto: bump min gcrypt to 1.8.0, dropping RHEL-7 support
crypto: drop back compatibility typedefs for nettle
crypto: bump min nettle to 3.4, dropping RHEL-7 support
patchew: move quick build job from CentOS 7 to CentOS 8 container
block/ssh: Bump minimum libssh version to 0.8.7
docs: fix references to docs/devel/s390-dasd-ipl.rst
docs: fix references to docs/specs/tpm.rst
docs: fix references to docs/devel/build-system.rst
docs: fix references to docs/devel/atomics.rst
docs: fix references to docs/devel/tracing.rst
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Commit e50caf4a5c ("tracing: convert documentation to rST")
converted docs/devel/tracing.txt to docs/devel/tracing.rst.
We still have several references to the old file, so let's fix them
with the following command:
sed -i s/tracing.txt/tracing.rst/ $(git grep -l docs/devel/tracing.txt)
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210517151702.109066-2-sgarzare@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The 'qemu64' CPUID currently reports a family/model/stepping that
approximately corresponds to an AMD K7 vintage architecture.
The K7 series predates the introduction of 64-bit support by AMD
in the K8 series. This has been reported to lead to LLVM complaints
about generating 64-bit code for a 32-bit CPU target
LLVM ERROR: 64-bit code requested on a subtarget that doesn't support it!
It appears LLVM looks at the family/model/stepping, despite qemu64
reporting it is 64-bit capable.
This patch changes 'qemu64' to report a CPUID with the family, model
and stepping taken from a
AMD Athlon(tm) 64 X2 Dual Core Processor 4000+
which is one of the first 64-bit AMD CPUs.
Closes https://gitlab.com/qemu-project/qemu/-/issues/191
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20210507133650.645526-2-berrange@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Per the kconfig.rst:
A device should be listed [...] ``imply`` if (depending on
the QEMU command line) the board may or may not be started
without it.
This is the case with the NVDIMM device, so use the 'imply'
weak reverse dependency to select the symbol.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210511155354.3069141-2-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Fixes all over the place. Faster boot for virtio. ioeventfd support for
mmio.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pc,pci,virtio: bugfixes, improvements
Fixes all over the place. Faster boot for virtio. ioeventfd support for
mmio.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Fri 14 May 2021 15:27:13 BST
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# 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
* remotes/mst/tags/for_upstream:
Fix build with 64 bits time_t
vhost-vdpa: Make vhost_vdpa_get_device_id() static
hw/virtio: enable ioeventfd configuring for mmio
hw/smbios: support for type 41 (onboard devices extended information)
checkpatch: Fix use of uninitialized value
virtio-scsi: Configure all host notifiers in a single MR transaction
virtio-scsi: Set host notifiers and callbacks separately
virtio-blk: Configure all host notifiers in a single MR transaction
virtio-blk: Fix rollback path in virtio_blk_data_plane_start()
pc-dimm: remove unnecessary get_vmstate_memory_region() method
amd_iommu: fix wrong MMIO operations
virtio-net: Constify VirtIOFeature feature_sizes[]
virtio-blk: Constify VirtIOFeature feature_sizes[]
hw/virtio: Pass virtio_feature_get_config_size() a const argument
x86: acpi: use offset instead of pointer when using build_header()
amd_iommu: Fix pte_override_page_mask()
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
# Conflicts:
# hw/arm/virt.c
Type 41 defines the attributes of devices that are onboard. The
original intent was to imply the BIOS had some level of control over
the enablement of the associated devices.
If network devices are present in this table, by default, udev will
name the corresponding interfaces enoX, X being the instance number.
Without such information, udev will fallback to using the PCI ID and
this usually gives ens3 or ens4. This can be a bit annoying as the
name of the network card may depend on the order of options and may
change if a new PCI device is added earlier on the commande line.
Being able to provide SMBIOS type 41 entry ensure the name of the
interface won't change and helps the user guess the right name without
booting a first time.
This can be invoked with:
$QEMU -netdev user,id=internet
-device virtio-net-pci,mac=50:54:00:00:00:42,netdev=internet,id=internet-dev \
-smbios type=41,designation='Onboard LAN',instance=1,kind=ethernet,pcidev=internet-dev
The PCI segment is assumed to be 0. This should hold true for most
cases.
$ dmidecode -t 41
# dmidecode 3.3
Getting SMBIOS data from sysfs.
SMBIOS 2.8 present.
Handle 0x2900, DMI type 41, 11 bytes
Onboard Device
Reference Designation: Onboard LAN
Type: Ethernet
Status: Enabled
Type Instance: 1
Bus Address: 0000:00:09.0
$ ip -brief a
lo UNKNOWN 127.0.0.1/8 ::1/128
eno1 UP 10.0.2.14/24 fec0::5254:ff:fe00:42/64 fe80::5254:ff:fe00:42/64
Signed-off-by: Vincent Bernat <vincent@bernat.ch>
Message-Id: <20210401171138.62970-1-vincent@bernat.ch>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Address was swapped with value when writing MMIO registers, so the user
saw garbage in lot of cases. The interrupt status was not correctly set.
Signed-off-by: Roman Kapl <rka@sysgo.com>
Message-Id: <20210427110504.10878-1-rka@sysgo.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Ram block notifiers are currently not aware of resizes. To properly
handle resizes during migration, we want to teach ram block notifiers about
resizeable ram.
Introduce the basic infrastructure but keep using max_size in the
existing notifiers. Supply the max_size when adding and removing ram
blocks. Also, notify on resizes.
Acked-by: Paul Durrant <paul@xen.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
Cc: xen-devel@lists.xenproject.org
Cc: haxm-team@intel.com
Cc: Paul Durrant <paul@xen.org>
Cc: Stefano Stabellini <sstabellini@kernel.org>
Cc: Anthony Perard <anthony.perard@citrix.com>
Cc: Wenchao Wang <wenchao.wang@intel.com>
Cc: Colin Xu <colin.xu@intel.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210429112708.12291-3-david@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
* i386 page walk unification
* Fix detection of gdbus-codegen
* Misc refactoring
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Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into staging
* AccelCPUClass and sysemu/user split for i386 (Claudio)
* i386 page walk unification
* Fix detection of gdbus-codegen
* Misc refactoring
# gpg: Signature made Wed 12 May 2021 09:39:29 BST
# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg: issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83
* remotes/bonzini-gitlab/tags/for-upstream: (32 commits)
coverity-scan: list components, move model to scripts/coverity-scan
configure: fix detection of gdbus-codegen
qemu-option: support accept-any QemuOptsList in qemu_opts_absorb_qdict
main-loop: remove dead code
target/i386: use mmu_translate for NPT walk
target/i386: allow customizing the next phase of the translation
target/i386: extend pg_mode to more CR0 and CR4 bits
target/i386: pass cr3 to mmu_translate
target/i386: extract mmu_translate
target/i386: move paging mode constants from SVM to cpu.h
target/i386: merge SVM_NPTEXIT_* with PF_ERROR_* constants
accel: add init_accel_cpu for adapting accel behavior to CPU type
accel: move call to accel_init_interfaces
i386: make cpu_load_efer sysemu-only
target/i386: gdbstub: only write CR0/CR2/CR3/EFER for sysemu
target/i386: gdbstub: introduce aux functions to read/write CS64 regs
i386: split off sysemu part of cpu.c
i386: split seg_helper into user-only and sysemu parts
i386: split svm_helper into sysemu and stub-only user
i386: separate fpu_helper sysemu-only parts
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
i386 is the first user of AccelCPUClass, allowing to split
cpu.c into:
cpu.c cpuid and common x86 cpu functionality
host-cpu.c host x86 cpu functions and "host" cpu type
kvm/kvm-cpu.c KVM x86 AccelCPUClass
hvf/hvf-cpu.c HVF x86 AccelCPUClass
tcg/tcg-cpu.c TCG x86 AccelCPUClass
Signed-off-by: Claudio Fontana <cfontana@suse.de>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
[claudio]:
Rebased on commit b8184135 ("target/i386: allow modifying TCG phys-addr-bits")
Signed-off-by: Claudio Fontana <cfontana@suse.de>
Message-Id: <20210322132800.7470-5-cfontana@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Because Coverity complains about it and this is one leak that Valgrind
reports.
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Acked-by: Paul Durrant <paul@xen.org>
Message-Id: <20210430163742.469739-1-anthony.perard@citrix.com>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
When we're replacing the existing mapping there is possibility of a race
on memory map with other threads doing mmap operations - the address being
unmapped/re-mapped could be occupied by another thread in between.
Linux mmap man page recommends keeping the existing mappings in place to
reserve the place and instead utilize the fact that the next mmap operation
with MAP_FIXED flag passed will implicitly destroy the existing mappings
behind the chosen address. This behavior is guaranteed by POSIX / BSD and
therefore is portable.
Note that it wouldn't make the replacement atomic for parallel accesses to
the replaced region - those might still fail with SIGBUS due to
xenforeignmemory_map not being atomic. So we're still not expecting those.
Tested-by: Anthony PERARD <anthony.perard@citrix.com>
Signed-off-by: Igor Druzhinin <igor.druzhinin@citrix.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Message-Id: <1618889702-13104-1-git-send-email-igor.druzhinin@citrix.com>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Do the same as in commit
(4d027afeb3 Virt: ACPI: fix qemu assert due to re-assigned table data address)
for remaining tables that happen to use saved at
the beginning pointer to build header to avoid assert
when table_data is relocated due to implicit re-size.
In this case user is trying to start Windows 10 and getting assert at
hw/acpi/bios-linker-loader.c:239:
bios_linker_loader_add_checksum: Assertion `start_offset < file->blob->len' failed.
Fixes: https://bugs.launchpad.net/bugs/1923497
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20210414084356.3792113-1-imammedo@redhat.com>
Cc: mst@redhat.com, qemu-stable@nongnu.org
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
AMD IOMMU PTEs have a special mode allowing to specify an arbitrary page
size. Quoting the AMD IOMMU specification: "When the Next Level bits [of
a pte] are 7h, the size of the page is determined by the first zero bit
in the page address, starting from bit 12."
So if the lowest bits of the page address is 0, the page is 8kB. If the
lowest bits are 011, the page is 32kB. Currently pte_override_page_mask()
doesn't compute the right value for this page size and amdvi_translate()
can return the wrong guest-physical address. With a Linux guest, DMA
from SATA devices accesses the wrong memory and causes probe failure:
qemu-system-x86_64 ... -device amd-iommu -drive id=hd1,file=foo.bin,if=none \
-device ahci,id=ahci -device ide-hd,drive=hd1,bus=ahci.0
[ 6.613093] ata1.00: qc timeout (cmd 0xec)
[ 6.615062] ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4)
Fix the page mask.
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Message-Id: <20210421084007.1190546-1-jean-philippe@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Stop including exec/address-spaces.h in files that don't need it.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210416171314.2074665-5-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Stop including cpu.h in files that don't need it.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210416171314.2074665-4-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Stop including hw/boards.h in files that don't need it.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210416171314.2074665-3-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Stop including sysemu/sysemu.h in files that don't need it.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210416171314.2074665-2-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Many files include hw/irq.h without needing it. Remove the superfluous
include statements.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20210327050236.2232347-1-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
The code that sets/gets oem fields is duplicated in both PC and MICROVM
variants. This commit moves it to X86MachineState so that all x86
variants can use it and duplication is removed.
Signed-off-by: Marian Postevca <posteuca@mutex.one>
Message-Id: <20210221001737.24499-2-posteuca@mutex.one>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
We want to have safety margins for all tables based on the table type.
Let's move the maximum size logic into acpi_add_rom_blob() and make it
dependent on the table name, so we don't have to replicate for each and
every instance that creates such tables.
Suggested-by: Laszlo Ersek <lersek@redhat.com>
Cc: Alistair Francis <alistair.francis@xilinx.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Shannon Zhao <shannon.zhaosl@gmail.com>
Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <richard.henderson@linaro.org>
Cc: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210304105554.121674-4-david@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Let's just reuse ACPI_BUILD_LOADER_FILE.
Cc: Alistair Francis <alistair.francis@xilinx.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Shannon Zhao <shannon.zhaosl@gmail.com>
Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <richard.henderson@linaro.org>
Cc: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210304105554.121674-3-david@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The resizeable memory region / RAMBlock that is created for the cmd blob
has a maximum size of whole host pages (e.g., 4k), because RAMBlocks
work on full host pages. In addition, in i386 ACPI code:
acpi_align_size(tables->linker->cmd_blob, ACPI_BUILD_ALIGN_SIZE);
makes sure to align to multiples of 4k, padding with 0.
For example, if our cmd_blob is created with a size of 2k, the maximum
size is 4k - we cannot grow beyond that. Growing might be required
due to guest action when rebuilding the tables, but also on incoming
migration.
This automatic generation of the maximum size used to be sufficient,
however, there are cases where we cross host pages now when growing at
runtime: we exceed the maximum size of the RAMBlock and can crash QEMU when
trying to resize the resizeable memory region / RAMBlock:
$ build/qemu-system-x86_64 --enable-kvm \
-machine q35,nvdimm=on \
-smp 1 \
-cpu host \
-m size=2G,slots=8,maxmem=4G \
-object memory-backend-file,id=mem0,mem-path=/tmp/nvdimm,size=256M \
-device nvdimm,label-size=131072,memdev=mem0,id=nvdimm0,slot=1 \
-nodefaults \
-device vmgenid \
-device intel-iommu
Results in:
Unexpected error in qemu_ram_resize() at ../softmmu/physmem.c:1850:
qemu-system-x86_64: Size too large: /rom@etc/table-loader:
0x2000 > 0x1000: Invalid argument
In this configuration, we consume exactly 4k (32 entries, 128 bytes each)
when creating the VM. However, once the guest boots up and maps the MCFG,
we also create the MCFG table and end up consuming 2 additional entries
(pointer + checksum) -- which is where we try resizing the memory region
/ RAMBlock, however, the maximum size does not allow for it.
Currently, we get the following maximum sizes for our different
mutable tables based on behavior of resizeable RAMBlock:
hw table max_size
------- ---------------------------------------------------------
virt "etc/acpi/tables" ACPI_BUILD_TABLE_MAX_SIZE (0x200000)
virt "etc/table-loader" HOST_PAGE_ALIGN(initial_size)
virt "etc/acpi/rsdp" HOST_PAGE_ALIGN(initial_size)
i386 "etc/acpi/tables" ACPI_BUILD_TABLE_MAX_SIZE (0x200000)
i386 "etc/table-loader" HOST_PAGE_ALIGN(initial_size)
i386 "etc/acpi/rsdp" HOST_PAGE_ALIGN(initial_size)
microvm "etc/acpi/tables" ACPI_BUILD_TABLE_MAX_SIZE (0x200000)
microvm "etc/table-loader" HOST_PAGE_ALIGN(initial_size)
microvm "etc/acpi/rsdp" HOST_PAGE_ALIGN(initial_size)
Let's set the maximum table size for "etc/table-loader" to 64k, so we
can properly grow at runtime, which should be good enough for the future.
Migration is not concerned with the maximum size of a RAMBlock, only
with the used size - so existing setups are not affected. Of course, we
cannot migrate a VM that would have crash when started on older QEMU from
new QEMU to older QEMU without failing early on the destination when
synchronizing the RAM state:
qemu-system-x86_64: Size too large: /rom@etc/table-loader: 0x2000 > 0x1000: Invalid argument
qemu-system-x86_64: error while loading state for instance 0x0 of device 'ram'
qemu-system-x86_64: load of migration failed: Invalid argument
We'll refactor the code next, to make sure we get rid of this implicit
behavior for "etc/acpi/rsdp" as well and to make the code easier to
grasp.
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Cc: Alistair Francis <alistair.francis@xilinx.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Shannon Zhao <shannon.zhaosl@gmail.com>
Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <richard.henderson@linaro.org>
Cc: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210304105554.121674-2-david@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Implement _DSM according to:
PCI Firmware Specification 3.1
4.6.7. DSM for Naming a PCI or PCI Express Device Under
Operating Systems
and wire it up to cold and hot-plugged PCI devices.
Feature depends on ACPI hotplug being enabled (as that provides
PCI devices descriptions in ACPI and MMIO registers that are
reused to fetch acpi-index).
acpi-index should work for
- cold plugged NICs:
$QEMU -device e1000,acpi-index=100
=> 'eno100'
- hot-plugged
(monitor) device_add e1000,acpi-index=200,id=remove_me
=> 'eno200'
- re-plugged
(monitor) device_del remove_me
(monitor) device_add e1000,acpi-index=1
=> 'eno1'
Windows also sees index under "PCI Label Id" field in properties
dialog but otherwise it doesn't seem to have any effect.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20210315180102.3008391-6-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
In x86/ACPI world, linux distros are using predictable
network interface naming since systemd v197. Which on
QEMU based VMs results into path based naming scheme,
that names network interfaces based on PCI topology.
With itm on has to plug NIC in exactly the same bus/slot,
which was used when disk image was first provisioned/configured
or one risks to loose network configuration due to NIC being
renamed to actually used topology.
That also restricts freedom to reshape PCI configuration of
VM without need to reconfigure used guest image.
systemd also offers "onboard" naming scheme which is
preferred over PCI slot/topology one, provided that
firmware implements:
"
PCI Firmware Specification 3.1
4.6.7. DSM for Naming a PCI or PCI Express Device Under
Operating Systems
"
that allows to assign user defined index to PCI device,
which systemd will use to name NIC. For example, using
-device e1000,acpi-index=100
guest will rename NIC to 'eno100', where 'eno' is default
prefix for "onboard" naming scheme. This doesn't require
any advance configuration on guest side to com in effect
at 'onboard' scheme takes priority over path based naming.
Hope is that 'acpi-index' it will be easier to consume by
management layer, compared to forcing specific PCI topology
and/or having several disk image templates for different
topologies and will help to simplify process of spawning
VM from the same template without need to reconfigure
guest NIC.
This patch adds, 'acpi-index'* property and wires up
a 32bit register on top of pci hotplug register block
to pass index value to AML code at runtime.
Following patch will add corresponding _DSM code and
wire it up to PCI devices described in ACPI.
*) name comes from linux kernel terminology
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20210315180102.3008391-3-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The 'scsi-hd' and 'scsi-cd' devices provide suitable alternatives.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The 'ide-hd' and 'ide-cd' devices provide suitable alternatives.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Currently get_naturally_aligned_size() is used by the intel iommu
to compute the maximum invalidation range based on @size which is
a power of 2 while being aligned with the @start address and less
than the maximum range defined by @gaw.
This helper is also useful for other iommu devices (virtio-iommu,
SMMUv3) to make sure IOMMU UNMAP notifiers only are called with
power of 2 range sizes.
Let's move this latter into dma-helpers.c and rename it into
dma_aligned_pow2_mask(). Also rewrite the helper so that it
accomodates UINT64_MAX values for the size mask and max mask.
It now returns a mask instead of a size. Change the caller.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-id: 20210309102742.30442-3-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
With -Werror=maybe-uninitialized configuration we get
../hw/i386/intel_iommu.c: In function ‘vtd_context_device_invalidate’:
../hw/i386/intel_iommu.c:1888:10: error: ‘mask’ may be used
uninitialized in this function [-Werror=maybe-uninitialized]
1888 | mask = ~mask;
| ~~~~~^~~~~~~
Add a g_assert_not_reached() to avoid the error.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20210309102742.30442-2-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The 'running' argument from VMChangeStateHandler does not require
other value than 0 / 1. Make it a plain boolean.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Message-Id: <20210111152020.1422021-3-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
There are 23 files that include the "sysemu/qtest.h",
but they do not use any qtest functions.
Signed-off-by: Chen Qun <kuhn.chenqun@huawei.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210226081414.205946-1-kuhn.chenqun@huawei.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
When loading the PVH start address from a 32 bit ELF note, extract
only the appropriate number of bytes.
Fixes: ab969087da ("pvh: Boot uncompressed kernel using direct boot ABI")
Signed-off-by: David Edmondson <david.edmondson@oracle.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Message-Id: <20210302090315.3031492-3-david.edmondson@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
After fixing the _UID value for the primary PCI root bridge in
af1b80ae it was discovered that this change updates Windows
configuration in an incompatible way causing network configuration
failure unless DHCP is used. More details provided on the list:
https://lists.gnu.org/archive/html/qemu-devel/2021-02/msg08484.html
This change reverts the _UID update from 1 to 0 for q35 and i440fx
VMs before version 5.2 to maintain the original behaviour when
upgrading.
Cc: qemu-stable@nongnu.org
Cc: qemu-devel@nongnu.org
Reported-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
Suggested-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Vitaly Cheptsov <cheptsov@ispras.ru>
Message-Id: <20210301195919.9333-1-cheptsov@ispras.ru>
Tested-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Fixes: af1b80ae56 ("i386/acpi: fix inconsistent QEMU/OVMF device paths")
Declare PNP0C01 device to reserve MMCONFIG region to conform to the
spec better and play nice with guest BIOSes/OSes.
According to PCI Firmware Specification[0], MMCONFIG region must be
reserved by declaring a motherboard resource. It's optional to reserve
the region in memory map by Int 15 E820h or EFIGetMemoryMap.
Guest Linux checks if the MMCFG region is reserved by bios memory map
or ACPI resource. If it's not reserved, Linux falls back to legacy PCI
configuration access.
TDVF [1] [2] doesn't reserve MMCONFIG the region in memory map.
On the other hand OVMF reserves it in memory map without declaring a
motherboard resource. With memory map reservation, linux guest uses
MMCONFIG region. However it doesn't comply to PCI Firmware
specification.
[0] PCI Firmware specification Revision 3.2
4.1.2 MCFG Table Description table 4-2 NOTE 2
If the operating system does not natively comprehend reserving the
MMCFG region, The MMCFG region must e reserved by firmware. ...
For most systems, the mortheroard resource would appear at the root
of the ACPI namespace (under \_SB)...
The resource can optionally be returned in Int15 E820h or
EFIGetMemoryMap as reserved memory but must always be reported
through ACPI as a motherboard resource
[1] TDX: Intel Trust Domain Extension
https://software.intel.com/content/www/us/en/develop/articles/intel-trust-domain-extensions.html
[2] TDX Virtual Firmware
https://github.com/tianocore/edk2-staging/tree/TDVF
The change to DSDT is as follows.
@@ -68,32 +68,47 @@
If ((CDW3 != Local0))
{
CDW1 |= 0x10
}
CDW3 = Local0
}
Else
{
CDW1 |= 0x04
}
Return (Arg3)
}
}
+
+ Device (DRAC)
+ {
+ Name (_HID, "PNP0C01" /* System Board */) // _HID: Hardware ID
+ Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings
+ {
+ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, NonCacheable, ReadWrite,
+ 0x00000000, // Granularity
+ 0xB0000000, // Range Minimum
+ 0xBFFFFFFF, // Range Maximum
+ 0x00000000, // Translation Offset
+ 0x10000000, // Length
+ ,, , AddressRangeMemory, TypeStatic)
+ })
+ }
}
Scope (_SB)
{
Device (HPET)
{
Name (_HID, EisaId ("PNP0103") /* HPET System Timer */) // _HID: Hardware ID
Name (_UID, Zero) // _UID: Unique ID
OperationRegion (HPTM, SystemMemory, 0xFED00000, 0x0400)
Field (HPTM, DWordAcc, Lock, Preserve)
{
VEND, 32,
PRD, 32
}
Method (_STA, 0, NotSerialized) // _STA: Status
Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
Message-Id: <6f686b45ce7bc43048c56dbb46e72e1fe51927e6.1613615732.git.isaku.yamahata@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
The category of the vmmouse device is not set, put it into the 'input'
category.
Signed-off-by: Gan Qixin <ganqixin@huawei.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20201130083630.2520597-4-ganqixin@huawei.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
'drivers_blacklisted' is never accessed, remove it.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Message-Id: <20210202155644.998812-1-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
When SEV-ES is enabled, it is not possible modify the guests register
state after it has been initially created, encrypted and measured.
Normally, an INIT-SIPI-SIPI request is used to boot the AP. However, the
hypervisor cannot emulate this because it cannot update the AP register
state. For the very first boot by an AP, the reset vector CS segment
value and the EIP value must be programmed before the register has been
encrypted and measured. Search the guest firmware for the guest for a
specific GUID that tells Qemu the value of the reset vector to use.
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Cc: Richard Henderson <richard.henderson@linaro.org>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Message-Id: <22db2bfb4d6551aed661a9ae95b4fdbef613ca21.1611682609.git.thomas.lendacky@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
OVMF is developing a mechanism for depositing a GUIDed table just
below the known location of the reset vector. The table goes
backwards in memory so all entries are of the form
<data>|len|<GUID>
Where <data> is arbtrary size and type, <len> is a uint16_t and
describes the entire length of the entry from the beginning of the
data to the end of the guid.
The foot of the table is of this form and <len> for this case
describes the entire size of the table. The table foot GUID is
defined by OVMF as 96b582de-1fb2-45f7-baea-a366c55a082d and if the
table is present this GUID is just below the reset vector, 48 bytes
before the end of the firmware file.
Add a parser for the ovmf reset block which takes a copy of the block,
if the table foot guid is found, minus the footer and a function for
later traversal to return the data area of any specified GUIDs.
Signed-off-by: James Bottomley <jejb@linux.ibm.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20210204193939.16617-2-jejb@linux.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
When AMD's SEV memory encryption is in use, flash memory banks (which are
initialed by pc_system_flash_map()) need to be encrypted with the guest's
key, so that the guest can read them.
That's abstracted via the kvm_memcrypt_encrypt_data() callback in the KVM
state.. except, that it doesn't really abstract much at all.
For starters, the only call site is in code specific to the 'pc'
family of machine types, so it's obviously specific to those and to
x86 to begin with. But it makes a bunch of further assumptions that
need not be true about an arbitrary confidential guest system based on
memory encryption, let alone one based on other mechanisms:
* it assumes that the flash memory is defined to be encrypted with the
guest key, rather than being shared with hypervisor
* it assumes that that hypervisor has some mechanism to encrypt data into
the guest, even though it can't decrypt it out, since that's the whole
point
* the interface assumes that this encrypt can be done in place, which
implies that the hypervisor can write into a confidential guests's
memory, even if what it writes isn't meaningful
So really, this "abstraction" is actually pretty specific to the way SEV
works. So, this patch removes it and instead has the PC flash
initialization code call into a SEV specific callback.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
gcc is not smart enough to figure out length was validated before use as
strncpy limit, resulting in this warning:
inlined from ‘virt_set_oem_table_id’ at ../../hw/arm/virt.c:2197:5:
/usr/include/aarch64-linux-gnu/bits/string_fortified.h:106:10: error:
‘__builtin_strncpy’ specified bound depends on the length of the
source argument [-Werror=stringop-overflow=]
Simplify things by using a constant limit instead.
Fixes: 97fc5d507fca ("acpi: Permit OEM ID and OEM table ID fields to be changed")
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Qemu's ACPI table generation sets the fields OEM ID and OEM table ID
to "BOCHS " and "BXPCxxxx" where "xxxx" is replaced by the ACPI
table name.
Some games like Red Dead Redemption 2 seem to check the ACPI OEM ID
and OEM table ID for the strings "BOCHS" and "BXPC" and if they are
found, the game crashes(this may be an intentional detection
mechanism to prevent playing the game in a virtualized environment).
This patch allows you to override these default values.
The feature can be used in this manner:
qemu -machine oem-id=ABCDEF,oem-table-id=GHIJKLMN
The oem-id string can be up to 6 bytes in size, and the
oem-table-id string can be up to 8 bytes in size. If the string are
smaller than their respective sizes they will be padded with space.
If either of these parameters is not set, the current default values
will be used for the one missing.
Note that the the OEM Table ID field will not be extended with the
name of the table, but will use either the default name or the user
provided one.
This does not affect the -acpitable option (for user-defined ACPI
tables), which has precedence over -machine option.
Signed-off-by: Marian Postevca <posteuca@mutex.one>
Message-Id: <20210119003216.17637-3-posteuca@mutex.one>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
They have been deprecated since QEMU v5.0, time to remove them now.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210203171832.483176-2-thuth@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
To ease the PCI device addition in next patches, split the code as follows:
- generic code (read/write/setup) is being kept in pvpanic.c
- ISA dependent code moved to pvpanic-isa.c
Also, rename:
- ISA_PVPANIC_DEVICE -> PVPANIC_ISA_DEVICE.
- TYPE_PVPANIC -> TYPE_PVPANIC_ISA.
- MemoryRegion io -> mr.
- pvpanic_ioport_* in pvpanic_*.
Update the build system with the new files and config structure.
Signed-off-by: Mihai Carabas <mihai.carabas@oracle.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
AML needs Address Translation offset to describe how a bridge translates
addresses accross the bridge when using an address descriptor, and
especially on ARM, the translation offset of pio resource is usually
non zero.
Therefore, it's necessary to pass offset for pio, mmio32, mmio64 and bus
number into build_crs.
Acked-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Jiahui Cen <cenjiahui@huawei.com>
Message-Id: <20210114100643.10617-4-cenjiahui@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
We already have a generic PCI_SLOT() macro in "hw/pci/pci.h"
to extract the PCI slot identifier, use it.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Paul Durrant <paul@xen.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20201012124506.3406909-5-philmd@redhat.com>
Enable removing tcg/$tcg_arch from the include path when TCG is disabled.
Move translate-all.h to include/exec, since stubs exist for the functions
defined therein.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Move the property types and property macros implemented in
qdev-properties-system.c to a new qdev-properties-system.h
header.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20201211220529.2290218-16-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20201026143028.3034018-6-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This patch adds support the kernel-irqchip option for
WHPX with on or off value. 'split' value is not supported
for the option. The option only works for the latest version
of Windows (ones that are coming out on Insiders). The
change maintains backward compatibility on older version of
Windows where this option is not supported.
Signed-off-by: Sunil Muthuswamy <sunilmut@microsoft.com>
Message-Id: <SN4PR2101MB0880B13258DA9251F8459F4DC0170@SN4PR2101MB0880.namprd21.prod.outlook.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The IOAPIC has an 'Extended Destination ID' field in its RTE, which maps
to bits 11-4 of the MSI address. Since those address bits fall within a
given 4KiB page they were historically non-trivial to use on real hardware.
The Intel IOMMU uses the lowest bit to indicate a remappable format MSI,
and then the remaining 7 bits are part of the index.
Where the remappable format bit isn't set, we can actually use the other
seven to allow external (IOAPIC and MSI) interrupts to reach up to 32768
CPUs instead of just the 255 permitted on bare metal.
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Message-Id: <78097f9218300e63e751e077a0a5ca029b56ba46.camel@infradead.org>
[Fix UBSAN warning. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Create second ioapic, route virtio-mmio IRQs to it,
allow more virtio-mmio devices (24 instead of 8).
Needs ACPI, enabled by default, can be turned off
using -machine ioapic2=off
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Sergio Lopez <slp@redhat.com>
Message-id: 20201203105423.10431-8-kraxel@redhat.com
With the improved gsi_handler() we don't need
our private version any more.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Sergio Lopez <slp@redhat.com>
Message-id: 20201203105423.10431-7-kraxel@redhat.com
Allows to move them in case we have enough
irq lines available.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Sergio Lopez <slp@redhat.com>
Message-id: 20201203105423.10431-6-kraxel@redhat.com
This will allow to increase the number of transports in
case we have enough irq lines available for them all.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Sergio Lopez <slp@redhat.com>
Message-id: 20201203105423.10431-5-kraxel@redhat.com
Add ioapic_init_secondary to initialize it, wire up
in gsi handling and acpi apic table creation.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Sergio Lopez <slp@redhat.com>
Message-id: 20201203105423.10431-4-kraxel@redhat.com
Rewrite function to use switch() for IRQ number mapping.
Check i8259_irq exists before raising it so the function
also works in case no i8259 (aka pic) is present.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20201203105423.10431-3-kraxel@redhat.com
Keep CPU hotunplug with SMI disabled on 5.2 and older and enable
it by default on newer machine types.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20201207140739.3829993-9-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
if firmware and QEMU negotiated CPU hotunplug support, generate
_EJ0 method so that it will mark CPU for removal by firmware and
pass control to it by triggering SMI.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20201207140739.3829993-6-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20201207140739.3829993-4-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
At Hewlett Packard Inc. we have a need for increased fw size to enable testing of our custom fw.
Rebase v6 patch to d73c46e4
Signed-off-by: Erich McMillan <erich.mcmillan@hp.com>
Message-Id: <20201208155338.14-1-erich.mcmillan@hp.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add 6.0 machine types for arm/i440fx/q35/s390x/spapr.
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20201109173928.1001764-1-cohuck@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Extract crs build form acpi_build.c, the function could also be used
to build the crs for pxbs for arm. The resources are composed by two parts:
1. The bar space of pci-bridge/pcie-root-ports
2. The resources needed by devices behind PXBs.
The base and limit of memory/io are obtained from the config via two APIs:
pci_bridge_get_base and pci_bridge_get_limit
Signed-off-by: Yubo Miao <miaoyubo@huawei.com>
Signed-off-by: Jiahui Cen <cenjiahui@huawei.com>
Message-Id: <20201119014841.7298-5-cenjiahui@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Extract extra pci roots addition from pc machine, which could be used by
other machines.
In order to make uefi get the extra roots, it is necessary to write extra
roots into fw_cfg. And only if the uefi knows there are extra roots,
the config spaces of devices behind the root could be obtained.
Signed-off-by: Jiahui Cen <cenjiahui@huawei.com>
Signed-off-by: Yubo Miao <miaoyubo@huawei.com>
Message-Id: <20201119014841.7298-3-cenjiahui@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Although they didn't reach the notifier because of the filtering in
memory_region_notify_iommu_one, the vt-d was still splitting huge
memory invalidations in chunks. Skipping it.
This improves performance in case of netperf with vhost-net:
* TCP_STREAM: From 1923.6Mbit/s to 2175.13Mbit/s (13%)
* TCP_RR: From 8464.73 trans/s to 8932.703333 trans/s (5.5%)
* UDP_RR: From 8562.08 trans/s to 9005.62/s (5.1%)
* UDP_STREAM: No change observed (insignificant 0.1% improvement)
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20201116165506.31315-5-eperezma@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This allows us to differentiate between regular IOMMU map/unmap events
and DEVIOTLB unmap. Doing so, notifiers that only need device IOTLB
invalidations will not receive regular IOMMU unmappings.
Adapt intel and vhost to use it.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20201116165506.31315-4-eperezma@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This way we can tell between regular IOMMUTLBEntry (entry of IOMMU
hardware) and notifications.
In the notifications, we set explicitly if it is a MAPs or an UNMAP,
instead of trusting in entry permissions to differentiate them.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20201116165506.31315-3-eperezma@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Previous name didn't reflect the iommu operation.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20201116165506.31315-2-eperezma@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
GCC 9.3.0 thinks that 'method' can be left uninitialized. This code
is already in the "if (bsel || pcihp_bridge_en)" block statement,
but it isn't smart enough to figure it out.
Restrict the code to be used only in the "if (bsel || pcihp_bridge_en)"
block statement to fix (on Ubuntu):
../hw/i386/acpi-build.c: In function 'build_append_pci_bus_devices':
../hw/i386/acpi-build.c:496:9: error: 'method' may be used uninitialized
in this function [-Werror=maybe-uninitialized]
496 | aml_append(parent_scope, method);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
Fixes: df4008c9c5 ("piix4: don't reserve hw resources when hotplug is off globally")
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20201108204535.2319870-4-philmd@redhat.com>
Message-Id: <20201110192316.26397-8-alex.bennee@linaro.org>
Just a bunch of bugfixes all over the place.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pc,pci,vhost,virtio: misc fixes
Just a bunch of bugfixes all over the place.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Fri 30 Oct 2020 12:44:31 GMT
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# 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
* remotes/mst/tags/for_upstream:
intel_iommu: Fix two misuse of "0x%u" prints
virtio: skip guest index check on device load
vhost-blk: set features before setting inflight feature
pci: Disallow improper BAR registration for type 1
pci: Change error_report to assert(3)
pci: advertise a page aligned ATS
pc: Implement -no-hpet as sugar for -machine hpet=on
vhost: Don't special case vq->used_phys in vhost_get_log_size()
pci: Assert irqnum is between 0 and bus->nirqs in pci_bus_change_irq_level
hw/pci: Extract pci_bus_change_irq_level() from pci_change_irq_level()
hw/virtio/vhost-vdpa: Fix Coverity CID 1432864
acpi/crs: Support ranges > 32b for hosts
acpi/crs: Prevent bad ranges for host bridges
vhost-vsock: set vhostfd to non-blocking mode
vhost-vdpa: negotiate VIRTIO_NET_F_STATUS with driver
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Dave magically found this. Fix them with "0x%x".
Reported-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20201019173922.100270-1-peterx@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Get rid of yet another global variable.
The default will be hpet=on only if CONFIG_HPET=y.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20201021144716.1536388-1-ehabkost@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
According to PCIe spec 5.0 Type 1 header space Base Address Registers
are defined by 7.5.1.2.1 Base Address Registers (same as Type 0). The
_CRS region should allow for the same range (up to 64b). Prior to this
change, any host bridge utilizing more than 32b for the BAR would have
the address truncated and likely lead to conflicts when the operating
systems reads the _CRS object.
Signed-off-by: Ben Widawsky <ben.widawsky@intel.com>
Message-Id: <20201026193924.985014-2-ben.widawsky@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Prevent _CRS resources being quietly chopped off and instead throw an
assertion. _CRS is used by host bridges to declare regions of io and/or
memory that they consume. On some (all?) platforms the host bridge
doesn't have PCI header space and so they need some way to convey the
information.
Signed-off-by: Ben Widawsky <ben.widawsky@intel.com>
Message-Id: <20201026193924.985014-1-ben.widawsky@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Igor Mammedov <imammedo@redhat.com>
pc_dimm_plug() doesn't use it. It only aborts on error.
Drop @errp and adapt the callers accordingly.
[dwg: Removed unused label to fix compile]
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <160309728447.2739814.12831204841251148202.stgit@bahia.lan>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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>
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>
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>
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>
The new interface starts unused, will start being used by the
next patches.
It provides methods for each accelerator to start a vcpu, kick a vcpu,
synchronize state, get cpu virtual clock and elapsed ticks.
In qemu_wait_io_event, make it clear that APC is used only for HAX
on Windows.
Signed-off-by: Claudio Fontana <cfontana@suse.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
refactoring of cpus.c continues with cpu timer state extraction.
cpu-timers: responsible for the softmmu cpu timers state,
including cpu clocks and ticks.
icount: counts the TCG instructions executed. As such it is specific to
the TCG accelerator. Therefore, it is built only under CONFIG_TCG.
One complication is due to qtest, which uses an icount field to warp time
as part of qtest (qtest_clock_warp).
In order to solve this problem, provide a separate counter for qtest.
This requires fixing assumptions scattered in the code that
qtest_enabled() implies icount_enabled(), checking each specific case.
Signed-off-by: Claudio Fontana <cfontana@suse.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
[remove redundant initialization with qemu_spice_init]
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
[fix lingering calls to icount_get]
Signed-off-by: Claudio Fontana <cfontana@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
QEMU's kvmclock device is only created when KVM PV feature bits for
kvmclock (KVM_FEATURE_CLOCKSOURCE/KVM_FEATURE_CLOCKSOURCE2) are
exposed to the guest. With 'kvm=off' cpu flag the device is not
created and we don't call KVM_GET_CLOCK/KVM_SET_CLOCK upon migration.
It was reported that without these call at least Hyper-V TSC page
clocksouce (which can be enabled independently) gets broken after
migration.
Switch to creating kvmclock QEMU device unconditionally, it seems
to always make sense to call KVM_GET_CLOCK/KVM_SET_CLOCK on migration.
Use KVM_CAP_ADJUST_CLOCK check instead of CPUID feature bits.
Reported-by: Antoine Damhet <antoine.damhet@blade-group.com>
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20200922151934.899555-1-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
xen_hvm_init() is restricted to the X86 architecture.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200908155530.249806-6-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
xen_hvm_init() is only meanful to initialize a X86/PC machine,
rename it as xen_hvm_init_pc().
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200908155530.249806-3-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Xen accelerator requires specific changes to a machine to be able
to use it. See for example the 'Xen PC' machine configure its PCI
bus calling pc_xen_hvm_init_pci(). There is no 'Xen Q35' machine
declared. This code was probably added while introducing the Q35
machine, based on the existing PC machine (see commit df2d8b3ed4
"Introduce q35 pc based chipset emulator"). Remove the unreachable
code to simplify this file.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Anthony PERARD <anthony.perard@citrix.com>
Message-Id: <20200722082517.18708-1-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
it was deprecated since 4.1
commit 4bb4a2732e (numa: deprecate implict memory distribution between nodes)
Users of existing VMs, wishing to preserve the same RAM distribution,
should configure it explicitly using ``-numa node,memdev`` options.
Current RAM distribution can be retrieved using HMP command
`info numa` and if separate memory devices (pc|nv-dimm) are present
use `info memory-device` and subtract device memory from output of
`info numa`.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200911084410.788171-2-imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Jon Doron <arilou@gmail.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200715084326.678715-2-arilou@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Place the 64bit window at the top of the physical address space, assign
25% of the avaiable address space. Force cpu.host-phys-bits=on for
microvm machine typs so this actually works reliable.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200928104256.9241-7-kraxel@redhat.com
Uses the existing gpex device which is also used as pcie host bridge on
arm/aarch64. For now only a 32bit mmio window and no ioport support.
It is disabled by default, use "-machine microvm,pcie=on" to enable.
ACPI support must be enabled too because the bus is declared in the
DSDT table.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200928104256.9241-6-kraxel@redhat.com
Restricting LostTickPolicy to machine.json pulls slightly less
QAPI-generated code into user-mode.
Acked-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200913195348.1064154-2-philmd@redhat.com>
[Add rationale to commit message]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
When acpi hotplug is turned off for both root pci bus as well as for pci
bridges, we should not generate the related ACPI code for DSDT table or
initialize related hw ports or reserve hw resources. This change makes
sure all those operations are turned off in the case ACPI pci hotplug is
off globally.
In this change, we also make sure ACPI code for the PCNT method are only
added when bsel is enabled for the corresponding pci bus or bridge hotplug
is turned on.
As q35 machines do not use bsel for it's pci buses at this point in time, this
change affects DSDT acpi table for q35 machines as well. Therefore, we will
also need to commit the updated golden master DSDT table acpi binary blobs as
well. Following is the list of blobs which needs updating:
tests/data/acpi/q35/DSDT
tests/data/acpi/q35/DSDT.acpihmat
tests/data/acpi/q35/DSDT.bridge
tests/data/acpi/q35/DSDT.cphp
tests/data/acpi/q35/DSDT.dimmpxm
tests/data/acpi/q35/DSDT.ipmibt
tests/data/acpi/q35/DSDT.memhp
tests/data/acpi/q35/DSDT.mmio64
tests/data/acpi/q35/DSDT.numamem
tests/data/acpi/q35/DSDT.tis
These tables are updated in the following commit. Without the updated table
blobs, the unit tests would fail with this patch.
Signed-off-by: Ani Sinha <ani@anisinha.ca>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200918084111.15339-11-ani@anisinha.ca>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Cold plugged bridges are not hot unpluggable, even when their hotplug
property (acpi-pci-hotplug-with-bridge-support) is turned off. Please see
the function acpi_pcihp_pc_no_hotplug(). However, with
the current implementaton, Windows would try to hot-unplug a pci bridge when
it's hotplug switch is off. This is regardless of whether there are devices
attached to the bridge. This is because we add ACPI code like _EJ0 etc for the
pci slot where the bridge is cold plugged.
In this fix, we identify a cold plugged bridge and for cold plugged bridges,
we do not add the appropriate ACPI methods that are used by the OS
to identify a hot-pluggable/unpluggable pci device. After this change, Windows
does not detect the cold plugged pci bridge as ejectable.
As a result of the patch, the following are the changes to the DSDT ACPI
table:
@@ -858,38 +858,33 @@
Return (Zero)
}
Method (_S2D, 0, NotSerialized) // _S2D: S2 Device State
{
Return (Zero)
}
Method (_S3D, 0, NotSerialized) // _S3D: S3 Device State
{
Return (Zero)
}
}
Device (S18)
{
- Name (_SUN, 0x03) // _SUN: Slot User Number
Name (_ADR, 0x00030000) // _ADR: Address
- Method (_EJ0, 1, NotSerialized) // _EJx: Eject Device
- {
- PCEJ (BSEL, _SUN)
- }
}
Device (S20)
{
Name (_SUN, 0x04) // _SUN: Slot User Number
Name (_ADR, 0x00040000) // _ADR: Address
Method (_EJ0, 1, NotSerialized) // _EJx: Eject Device
{
PCEJ (BSEL, _SUN)
}
}
Device (S28)
{
Name (_SUN, 0x05) // _SUN: Slot User Number
Name (_ADR, 0x00050000) // _ADR: Address
@@ -1148,37 +1143,32 @@
PCEJ (BSEL, _SUN)
}
}
Device (SF8)
{
Name (_SUN, 0x1F) // _SUN: Slot User Number
Name (_ADR, 0x001F0000) // _ADR: Address
Method (_EJ0, 1, NotSerialized) // _EJx: Eject Device
{
PCEJ (BSEL, _SUN)
}
}
Method (DVNT, 2, NotSerialized)
{
- If ((Arg0 & 0x08))
- {
- Notify (S18, Arg1)
- }
-
If ((Arg0 & 0x10))
{
Notify (S20, Arg1)
}
If ((Arg0 & 0x20))
{
Notify (S28, Arg1)
}
If ((Arg0 & 0x40))
{
Notify (S30, Arg1)
}
If ((Arg0 & 0x80))
While at it, I have also updated a stale comment.
Signed-off-by: Ani Sinha <ani@anisinha.ca>
Suggested-by: Julia Suvorova <jusual@redhat.com>
Reviewed-by: Julia Suvorova <jusual@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200918084111.15339-6-ani@anisinha.ca>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
When CPU hotplug with SMI has been negotiated, describe the SMI
register block in the DSDT. Pass the ACPI name of the SMI control
register to build_cpus_aml(), so that CPU_SCAN_METHOD can access the
register in the next patch.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20200923094650.1301166-9-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Translate the "CPU hotplug with SMI" feature bit, from the property
added in the last patch, to a dedicated boolean in AcpiPmInfo.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20200923094650.1301166-8-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
There were reports of guest crash on CPU hotplug, when using q35 machine
type and OVMF with SMM, due to hotplugged CPU trying to process SMI at
default SMI handler location without it being relocated by firmware first.
Fix it by refusing hotplug if firmware hasn't negotiated CPU hotplug with
SMI support while SMI broadcast is in use.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20200923094650.1301166-3-imammedo@redhat.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
It will allow firmware to notify QEMU that firmware requires SMI
being triggered on CPU hot[un]plug, so that it would be able to account
for hotplugged CPU and relocate it to new SMM base and/or safely remove
CPU on unplug.
Using negotiated features, follow up patches will insert SMI upcall
into AML code, to make sure that firmware processes hotplug before
guest OS would attempt to use new CPU.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20200923094650.1301166-2-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
These were deprecated since 4.0, remove both HMP and QMP variants.
Users should use device_add command instead. To get list of
possible CPUs and options, use 'info hotpluggable-cpus' HMP
or query-hotpluggable-cpus QMP command.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20200915120403.1074579-1-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Unfortunately, a typo sneeked in: we want to set
auto_enable_numa_with_memdev to false, not auto_enable_numa_with_memhp.
Cc: qemu-stable@nongnu.org # v5.1
Fixes: 195784a0cf (numa: Auto-enable NUMA when any memory devices are possible)
Reported-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20200820094828.30348-1-david@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
clang's C11 atomic_fetch_*() functions only take a C11 atomic type
pointer argument. QEMU uses direct types (int, etc) and this causes a
compiler error when a QEMU code calls these functions in a source file
that also included <stdatomic.h> via a system header file:
$ CC=clang CXX=clang++ ./configure ... && make
../util/async.c:79:17: error: address argument to atomic operation must be a pointer to _Atomic type ('unsigned int *' invalid)
Avoid using atomic_*() names in QEMU's atomic.h since that namespace is
used by <stdatomic.h>. Prefix QEMU's APIs with 'q' so that atomic.h
and <stdatomic.h> can co-exist. I checked /usr/include on my machine and
searched GitHub for existing "qatomic_" users but there seem to be none.
This patch was generated using:
$ git grep -h -o '\<atomic\(64\)\?_[a-z0-9_]\+' include/qemu/atomic.h | \
sort -u >/tmp/changed_identifiers
$ for identifier in $(</tmp/changed_identifiers); do
sed -i "s%\<$identifier\>%q$identifier%g" \
$(git grep -I -l "\<$identifier\>")
done
I manually fixed line-wrap issues and misaligned rST tables.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200923105646.47864-1-stefanha@redhat.com>
it's was deprecated since 3.1
Support for invalid topologies is removed, the user must ensure
that topologies described with -smp include all possible cpus,
i.e. (sockets * cores * threads) == maxcpus or QEMU will
exit with error.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200911133202.938754-1-imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The cpu hotplug code handles the initialization of coldplugged cpus
too, so it is needed even in case cpu hotplug is not supported.
Wire cpu hotplug up for microvm.
Without this we get a broken MADT table.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Sergio Lopez <slp@redhat.com>
Message-id: 20200915120909.20838-17-kraxel@redhat.com
The cpu hotplug code handles the initialization of coldplugged cpus
too, so it is needed even in case cpu hotplug is not supported.
Move the code from pc to x86, so microvm can use it.
Move both plug and unplug to keep everything in one place, even
though microvm needs plug only.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Sergio Lopez <slp@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-id: 20200915120909.20838-16-kraxel@redhat.com
Both pc and microvm machine types have a acpi_dev field.
Move it to the common base type.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Sergio Lopez <slp@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-id: 20200915120909.20838-15-kraxel@redhat.com
... in case we are using ACPI.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Sergio Lopez <slp@redhat.com>
Message-id: 20200915120909.20838-13-kraxel@redhat.com
With acpi=off continue to use qboot.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Sergio Lopez <slp@redhat.com>
Message-id: 20200915120909.20838-12-kraxel@redhat.com
With ACPI enabled and IO-APIC being properly declared in the ACPI tables
we can use interrupt lines 16-23 for virtio and avoid shared interrupts.
With acpi disabled we continue to use lines 5-12.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Sergio Lopez <slp@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-id: 20200915120909.20838-11-kraxel@redhat.com
$subject says all. Can be controlled using -M microvm,acpi=on/off.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-id: 20200915120909.20838-9-kraxel@redhat.com
qboot isn't a bios and shouldnt be named that way.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Sergio Lopez <slp@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20200915120909.20838-2-kraxel@redhat.com
- Expand CODING_STYLE.rst a little more
- usb-host build fix
- allow check-softfloat unit tests without TCG
- simplify mips imm_branch so compiler isn't confused
- mark ppc64abi32 for deprecation
- more compiler soothing in pch_rev_id
- allow acceptance to skip missing binaries
- more a bunch of plugins to contrib
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Merge remote-tracking branch 'remotes/stsquad/tags/pull-testing-fixes-100920-1' into staging
Various misc and testing fixes:
- Expand CODING_STYLE.rst a little more
- usb-host build fix
- allow check-softfloat unit tests without TCG
- simplify mips imm_branch so compiler isn't confused
- mark ppc64abi32 for deprecation
- more compiler soothing in pch_rev_id
- allow acceptance to skip missing binaries
- more a bunch of plugins to contrib
# gpg: Signature made Thu 10 Sep 2020 10:51:05 BST
# gpg: using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8 DF35 FBD0 DB09 5A9E 2A44
* remotes/stsquad/tags/pull-testing-fixes-100920-1:
plugins: move the more involved plugins to contrib
tests/acceptance: Add Test.fetch_asset(cancel_on_missing=True)
tests: bump avocado version
hw/i386: make explicit clearing of pch_rev_id
configure: don't enable ppc64abi32-linux-user by default
docs/system/deprecated: mark ppc64abi32-linux-user for deprecation
target/mips: simplify gen_compute_imm_branch logic
tests/meson.build: fp tests don't need CONFIG_TCG
usb-host: restrict workaround to new libusb versions
CODING_STYLE.rst: flesh out our naming conventions.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Some compilers (notably the Xenial gcc in Travis) fail to spot that
this will always be set if pch_dev_id != 0xffff. Given this is setup
code and using _Pragma to override is equally as ugly lets just remove
the doubt from the compilers mind.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200909112742.25730-8-alex.bennee@linaro.org>
Some typedefs and macros are defined after the type check macros.
This makes it difficult to automatically replace their
definitions with OBJECT_DECLARE_TYPE.
Patch generated using:
$ ./scripts/codeconverter/converter.py -i \
--pattern=QOMStructTypedefSplit $(git grep -l '' -- '*.[ch]')
which will split "typdef struct { ... } TypedefName"
declarations.
Followed by:
$ ./scripts/codeconverter/converter.py -i --pattern=MoveSymbols \
$(git grep -l '' -- '*.[ch]')
which will:
- move the typedefs and #defines above the type check macros
- add missing #include "qom/object.h" lines if necessary
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20200831210740.126168-9-ehabkost@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20200831210740.126168-10-ehabkost@redhat.com>
Message-Id: <20200831210740.126168-11-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This reverts commit c24a41bb53.
Remove the EPYC specific apicid decoding and use the generic
default decoding.
Signed-off-by: Babu Moger <babu.moger@amd.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <159889937478.21294.4192291354416942986.stgit@naples-babu.amd.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This reverts commit 6121c7fbfd.
Remove the EPYC specific apicid decoding and use the generic
default decoding.
Signed-off-by: Babu Moger <babu.moger@amd.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <159889935648.21294.8095493980805969544.stgit@naples-babu.amd.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This reverts commit 2e26f4ab3b.
Remove the EPYC specific apicid decoding and use the generic
default decoding.
Signed-off-by: Babu Moger <babu.moger@amd.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <159889934379.21294.15323080164340490855.stgit@naples-babu.amd.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This reverts commit 7b225762c8.
Remove the EPYC specific apicid decoding and use the generic
default decoding.
Also fix all the references of pkg_offset.
Signed-off-by: Babu Moger <babu.moger@amd.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <159889933119.21294.8112825730577505757.stgit@naples-babu.amd.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Some QOM macros were using a X86_IOMMU_DEVICE prefix, and others
were using a X86_IOMMU prefix. Rename all of them to use the
same X86_IOMMU_DEVICE prefix.
This will make future conversion to OBJECT_DECLARE* easier.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20200825192110.3528606-47-ehabkost@redhat.com>
Acked-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Fix a typo in an error message for KVM_SET_IRQCHIP ioctl:
"KVM_GET_IRQCHIP" should be "KVM_SET_IRQCHIP".
Fixes: a39c1d47ac ("kvm: x86: Add user space part for in-kernel IOAPIC")
Signed-off-by: Kenta Ishiguro <kentaishiguro@slowstart.org>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Message-Id: <20200717123514.15406-1-kentaishiguro@slowstart.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Remove superfluous breaks, as there is a "return" before them.
Signed-off-by: Liao Pingfang <liao.pingfang@zte.com.cn>
Signed-off-by: Yi Wang <wang.yi59@zte.com.cn>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1594631126-36631-1-git-send-email-wang.yi59@zte.com.cn>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
