- various fixes for binfmt_misc docker images
- add hexagon check-tcg support docker image
- add tricore check-tcg support
- refactor ppc docker images
- add missing ppc64le tests
- don't use host_cc for test fallback
- check-tcg configure.sh tweaks for cross compile/clang
- fix some memory leaks in plugins
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Merge remote-tracking branch 'remotes/stsquad/tags/pull-testing-and-plugin-updates-180521-2' into staging
testing and plugin updates:
- various fixes for binfmt_misc docker images
- add hexagon check-tcg support docker image
- add tricore check-tcg support
- refactor ppc docker images
- add missing ppc64le tests
- don't use host_cc for test fallback
- check-tcg configure.sh tweaks for cross compile/clang
- fix some memory leaks in plugins
# gpg: Signature made Tue 18 May 2021 09:37:21 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-and-plugin-updates-180521-2: (29 commits)
configure: use cc, not host_cc to set cross_cc for build arch
tests/tcg: don't allow clang as a cross compiler
tests/tcg: fix missing return
tests/tcg/ppc64le: tests for brh/brw/brd
tests/docker: gcc-10 based images for ppc64{,le} tests
tests/tcg/tricore: Add muls test
tests/tcg/tricore: Add msub test
tests/tcg/tricore: Add madd test
tests/tcg/tricore: Add ftoi test
tests/tcg/tricore: Add fmul test
tests/tcg/tricore: Add fadd test
tests/tcg/tricore: Add dvstep test
tests/tcg/tricore: Add clz test
tests/tcg/tricore: Add bmerge test
tests/tcg/tricore: Add macros to create tests and first test 'abs'
configure: Emit HOST_CC to config-host.mak
tests/tcg/tricore: Add build infrastructure
hw/tricore: Add testdevice for tests in tests/tcg/
tests/tcg: Run timeout cmds using --foreground
tests/tcg: Add docker_as and docker_ld cmds
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Next set of ppc related patches for qemu-6.1. Highlights are:
* Start of a significant softmmu cleanup from Richard Henderson
* Further work towards allowing builds without CONFIG_TCG
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Merge remote-tracking branch 'remotes/dg-gitlab/tags/ppc-for-6.1-20210519' into staging
ppc patch queue 2021-05-19
Next set of ppc related patches for qemu-6.1. Highlights are:
* Start of a significant softmmu cleanup from Richard Henderson
* Further work towards allowing builds without CONFIG_TCG
# gpg: Signature made Wed 19 May 2021 13:36:45 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-6.1-20210519: (48 commits)
target/ppc: Remove type argument for mmubooke206_get_physical_address
target/ppc: Remove type argument from mmubooke206_check_tlb
target/ppc: Remove type argument from mmubooke_get_physical_address
target/ppc: Remove type argument from mmubooke_check_tlb
target/ppc: Remove type argument from mmu40x_get_physical_address
target/ppc: Remove type argument from get_bat_6xx_tlb
target/ppc: Remove type argument from ppc6xx_tlb_check
target/ppc: Remove type argument from ppc6xx_tlb_pte_check
target/ppc: Remove type argument from check_prot
target/ppc: Use MMUAccessType in mmu_helper.c
target/ppc: Rename access_type to type in mmu_helper.c
target/ppc: Use MMUAccessType in mmu-hash32.c
target/ppc: Use MMUAccessType in mmu-hash64.c
target/ppc: Use MMUAccessType in mmu-radix64.c
target/ppc: Introduce prot_for_access_type
target/ppc: Fix load endianness for lxvwsx/lxvdsx
target/ppc: Use translator_loop_temp_check
target/ppc: Mark helper_raise_exception* as noreturn
target/ppc: Tidy exception vs exit_tb
target/ppc: Move single-step check to ppc_tr_tb_stop
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- vhost-user-blk: Fix error handling during initialisation
- Add test cases for the vhost-user-blk export
- Fix leaked Transaction objects
- qcow2: Expose dirty bit in 'qemu-img info'
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging
Block layer patches
- vhost-user-blk: Fix error handling during initialisation
- Add test cases for the vhost-user-blk export
- Fix leaked Transaction objects
- qcow2: Expose dirty bit in 'qemu-img info'
# gpg: Signature made Tue 18 May 2021 11:57:46 BST
# gpg: using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg: issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6
* remotes/kevin/tags/for-upstream:
vhost-user-blk: Check that num-queues is supported by backend
virtio: Fail if iommu_platform is requested, but unsupported
vhost-user-blk: Get more feature flags from vhost device
vhost-user-blk: Improve error reporting in realize
vhost-user-blk: Don't reconnect during initialisation
vhost-user-blk: Make sure to set Error on realize failure
vhost-user-blk-test: test discard/write zeroes invalid inputs
tests/qtest: add multi-queue test case to vhost-user-blk-test
test: new qTest case to test the vhost-user-blk-server
block/export: improve vu_blk_sect_range_ok()
block: Fix Transaction leak in bdrv_reopen_multiple()
block: Fix Transaction leak in bdrv_root_attach_child()
qcow2: set bdi->is_dirty
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The hypercalls h_enter, h_remove, h_bulk_remove, h_protect, and h_read,
have been moved to spapr_softmmu.c with the functions they depend on. The
functions is_ram_address and push_sregs_to_kvm_pr are not static anymore
as functions on both spapr_hcall.c and spapr_softmmu.c depend on them.
The hypercalls h_resize_hpt_prepare and h_resize_hpt_commit have been
divided, the KVM part stayed in spapr_hcall.c while the softmmu part
was moved to spapr_softmmu.c
Signed-off-by: Lucas Mateus Castro (alqotel) <lucas.araujo@eldorado.org.br>
Message-Id: <20210506163941.106984-2-lucas.araujo@eldorado.org.br>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
A following patch will make use of it.
Signed-off-by: Fabiano Rosas <farosas@linux.ibm.com>
Message-Id: <20210505001130.3999968-2-farosas@linux.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Creating a device with a number of queues that isn't supported by the
backend is pointless, the device won't work properly and the error
messages are rather confusing.
Just fail to create the device if num-queues is higher than what the
backend supports.
Since the relationship between num-queues and the number of virtqueues
depends on the specific device, this is an additional value that needs
to be initialised by the device. For convenience, allow leaving it 0 if
the check should be skipped. This makes sense for vhost-user-net where
separate vhost devices are used for the queues and custom initialisation
code is needed to perform the check.
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1935031
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Message-Id: <20210429171316.162022-7-kwolf@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
this device is used to verify the correctness of regression tests by
allowing guests to write their exit status to this device. This is then
used by qemu to exit using the written status.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210305170045.869437-4-kbastian@mail.uni-paderborn.de>
Message-Id: <20210512102051.12134-14-alex.bennee@linaro.org>
Begin replacing the Berkeley float128 routines with FloatParts128.
- includes a new implementation of float128_muladd
- includes the snan silencing that was missing from
float{32,64}_to_float128 and float128_to_float{32,64}.
- does not include float128_min/max* (written but not yet reviewed).
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Merge remote-tracking branch 'remotes/rth-gitlab/tags/pull-fp-20210516' into staging
Reorg FloatParts to use QEMU_GENERIC.
Begin replacing the Berkeley float128 routines with FloatParts128.
- includes a new implementation of float128_muladd
- includes the snan silencing that was missing from
float{32,64}_to_float128 and float128_to_float{32,64}.
- does not include float128_min/max* (written but not yet reviewed).
# gpg: Signature made Sun 16 May 2021 13:27:10 BST
# gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg: issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F
* remotes/rth-gitlab/tags/pull-fp-20210516: (46 commits)
softfloat: Move round_to_int_and_pack to softfloat-parts.c.inc
softfloat: Move round_to_int to softfloat-parts.c.inc
softfloat: Convert float-to-float conversions with float128
softfloat: Split float_to_float
softfloat: Move div_floats to softfloat-parts.c.inc
softfloat: Introduce sh[lr]_double primitives
softfloat: Tidy mul128By64To192
softfloat: Use add192 in mul128To256
softfloat: Use mulu64 for mul64To128
softfloat: Move muladd_floats to softfloat-parts.c.inc
softfloat: Move mul_floats to softfloat-parts.c.inc
softfloat: Implement float128_add/sub via parts
softfloat: Move addsub_floats to softfloat-parts.c.inc
softfloat: Use uadd64_carry, usub64_borrow in softfloat-macros.h
softfloat: Move round_canonical to softfloat-parts.c.inc
softfloat: Move sf_canonicalize to softfloat-parts.c.inc
softfloat: Move pick_nan_muladd to softfloat-parts.c.inc
softfloat: Move pick_nan to softfloat-parts.c.inc
softfloat: Move return_nan to softfloat-parts.c.inc
softfloat: Convert float128_default_nan to parts
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- drop block/io write notifiers
- qemu-iotests enhancements to make debugging easier
- rbd parsing fix
- HMP qemu-io fix (for iothreads)
- mirror job cancel relaxation (do not cancel in-flight requests when a
READY mirror job is canceled with force=false)
- document qcow2's data_file and data_file_raw features
- fix iotest 297 for pylint 2.8
- block/copy-on-read refactoring
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Merge remote-tracking branch 'remotes/maxreitz/tags/pull-block-2021-05-14' into staging
Block patches:
- drop block/io write notifiers
- qemu-iotests enhancements to make debugging easier
- rbd parsing fix
- HMP qemu-io fix (for iothreads)
- mirror job cancel relaxation (do not cancel in-flight requests when a
READY mirror job is canceled with force=false)
- document qcow2's data_file and data_file_raw features
- fix iotest 297 for pylint 2.8
- block/copy-on-read refactoring
# gpg: Signature made Fri 14 May 2021 17:43:40 BST
# gpg: using RSA key 91BEB60A30DB3E8857D11829F407DB0061D5CF40
# gpg: issuer "mreitz@redhat.com"
# gpg: Good signature from "Max Reitz <mreitz@redhat.com>" [full]
# Primary key fingerprint: 91BE B60A 30DB 3E88 57D1 1829 F407 DB00 61D5 CF40
* remotes/maxreitz/tags/pull-block-2021-05-14:
write-threshold: deal with includes
test-write-threshold: drop extra TestStruct structure
test-write-threshold: drop extra tests
block/write-threshold: drop extra APIs
test-write-threshold: rewrite test_threshold_(not_)trigger tests
block: drop write notifiers
block/write-threshold: don't use write notifiers
qemu-iotests: fix pylint 2.8 consider-using-with error
block/copy-on-read: use bdrv_drop_filter() and drop s->active
Document qemu-img options data_file and data_file_raw
qemu-iotests: fix case of SOCK_DIR already in the environment
qemu-iotests: let "check" spawn an arbitrary test command
qemu-iotests: move command line and environment handling from TestRunner to TestEnv
qemu-iotests: allow passing unittest.main arguments to the test scripts
qemu-iotests: do not buffer the test output
mirror: stop cancelling in-flight requests on non-force cancel in READY
monitor: hmp_qemu_io: acquire aio contex, fix crash
block/rbd: Add an escape-aware strchr helper
iotests/231: Update expected deprecation message
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
While QEMU coding style prefers lowercase hexadecimals in constants, the
NVMe subsystem uses the format from the NVMe specifications in comments,
i.e. 'h' suffix instead of '0x' prefix.
Fix this up across the code base.
Signed-off-by: Gollu Appalanaidu <anaidu.gollu@samsung.com>
[k.jensen: updated message; added conversion in a couple of missing comments]
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Align the 'rsvd1' reserved field declaration in NvmeBar with existing
style.
Signed-off-by: Gollu Appalanaidu <anaidu.gollu@samsung.com>
[k.jensen: minor commit message fixup]
Signed-off-by: Klaus Jensen <k.jensen@samsung.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
Have x86_64 assembly for them, with a fallback.
This avoids shuffling values through %cl in the x86 case.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Clean up the formatting and variables; no functional change.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
We can perform the operation in 6 total adds instead of 8.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Via host-utils.h, we use a host widening multiply for
64-bit hosts, and a common subroutine for 32-bit hosts.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Rename to parts$N_muladd.
Implement float128_muladd with FloatParts128.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Use compiler support for carry arithmetic.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
These builtins came in clang 3.8, but are not present in gcc through
version 11. Even in clang the optimization is only ideal on x86_64,
but never worse than the hand-coding that we currently do.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
These builtins came in with gcc 5 and clang 3.8, which are
slightly newer than our supported minimum compiler versions.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Clang has added some builtins for these operations;
use them if available.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
As it's only used inside hw/virtio/vhost-vdpa.c.
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Message-Id: <20210413133737.1574-1-yuzenghui@huawei.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This patch adds ioeventfd flag for virtio-mmio configuration.
It allows switching ioeventfd on and off.
Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru>
Message-Id: <161700379211.1135943.8859209566937991305.stgit@pasha-ThinkPad-X280>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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>
The get_vmstate_memory_region() method from PCDIMMDeviceClass is only
ever called from this class and is never overridden, so it can be converted
into an ordinary function.
This saves us from having to do an indirect call in order to reach it.
Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
Message-Id: <f42da25471dc4b967796642388294e61e6587047.1619303649.git.maciej.szmigiero@oracle.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>
"qemu/typedefs.h" is enough for include/block/write-threshold.h header
with forward declaration of BlockDriverState. Also drop extra includes
from block/write-threshold.c and tests/unit/test-write-threshold.c
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20210506090621.11848-9-vsementsov@virtuozzo.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
bdrv_write_threshold_exceeded() is unused.
bdrv_write_threshold_is_set() is used only to double check the value of
bs->write_threshold_offset in tests. No real sense in it (both tests do
check real value with help of bdrv_write_threshold_get())
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20210506090621.11848-5-vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
[mreitz: Adjusted commit message as per Eric's suggestion]
Signed-off-by: Max Reitz <mreitz@redhat.com>
They are unused now.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20210506090621.11848-3-vsementsov@virtuozzo.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
write-notifiers are used only for write-threshold. New code for such
purpose should create filters.
Let's better special-case write-threshold and drop write notifiers at
all. (Actually, write-threshold is special-cased anyway, as the only
user of write-notifiers)
So, create a new direct interface for bdrv_co_write_req_prepare() and
drop all write-notifier related logic from write-threshold.c.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20210506090621.11848-2-vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
[mreitz: Adjusted comment as per Eric's suggestion]
Signed-off-by: Max Reitz <mreitz@redhat.com>
If mirror is READY than cancel operation is not discarding the whole
result of the operation, but instead it's a documented way get a
point-in-time snapshot of source disk.
So, we should not cancel any requests if mirror is READ and
force=false. Let's fix that case.
Note, that bug that we have before this commit is not critical, as the
only .bdrv_cancel_in_flight implementation is nbd_cancel_in_flight()
and it cancels only requests waiting for reconnection, so it should be
rare case.
Fixes: 521ff8b779
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20210421075858.40197-1-vsementsov@virtuozzo.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
This patch set adds a bus multiplexer and the necessary infrastructure
in the I2C code to allow it to work.
These are common on systems with lots of I2C devices, like an IPMI BMC.
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Merge remote-tracking branch 'remotes/cminyard/tags/for-qemu-6.1-v1' into staging
Add a bus multiplexer device
This patch set adds a bus multiplexer and the necessary infrastructure
in the I2C code to allow it to work.
These are common on systems with lots of I2C devices, like an IPMI BMC.
# gpg: Signature made Thu 13 May 2021 22:48:07 BST
# gpg: using RSA key FD0D5CE67CE0F59A6688268661F38C90919BFF81
# gpg: Good signature from "Corey Minyard <cminyard@mvista.com>" [unknown]
# gpg: aka "Corey Minyard <minyard@acm.org>" [unknown]
# gpg: aka "Corey Minyard <corey@minyard.net>" [unknown]
# gpg: aka "Corey Minyard <minyard@mvista.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: FD0D 5CE6 7CE0 F59A 6688 2686 61F3 8C90 919B FF81
* remotes/cminyard/tags/for-qemu-6.1-v1:
hw/i2c: add pca954x i2c-mux switch
hw/i2c: move search to i2c_scan_bus method
hw/i2c: add match method for device search
hw/i2c: name I2CNode list in I2CBus
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
When including "exec/gen-icount.h" we get:
include/exec/gen-icount.h: In function ‘gen_tb_start’:
include/exec/gen-icount.h:40:9: error: implicit declaration of function ‘tb_cflags’ [-Werror=implicit-function-declaration]
40 | if (tb_cflags(tb) & CF_USE_ICOUNT) {
| ^~~~~~~~~
include/exec/gen-icount.h:40:9: error: nested extern declaration of ‘tb_cflags’ [-Werror=nested-externs]
include/exec/gen-icount.h:40:25: error: ‘CF_USE_ICOUNT’ undeclared (first use in this function); did you mean ‘CPU_COUNT’?
40 | if (tb_cflags(tb) & CF_USE_ICOUNT) {
| ^~~~~~~~~~~~~
| CPU_COUNT
Since tb_cflags() is declared in "exec/exec-all.h", include this
header in "exec/gen-icount.h".
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210422064128.2318616-3-f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The VirtIOFeature structure isn't modified, mark it const.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210511104157.2880306-2-philmd@redhat.com>
Fix of the 2021-05-11 version, with a fix to build on the armhf
cross.
The largest change in this set is David's changes for ram block size
changing; then there's a pile of other cleanups and fixes.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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Merge remote-tracking branch 'remotes/dgilbert/tags/pull-migration-20210513a' into staging
Migration pull 2021-05-13
Fix of the 2021-05-11 version, with a fix to build on the armhf
cross.
The largest change in this set is David's changes for ram block size
changing; then there's a pile of other cleanups and fixes.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
# gpg: Signature made Thu 13 May 2021 18:36:06 BST
# gpg: using RSA key 45F5C71B4A0CB7FB977A9FA90516331EBC5BFDE7
# gpg: Good signature from "Dr. David Alan Gilbert (RH2) <dgilbert@redhat.com>" [full]
# Primary key fingerprint: 45F5 C71B 4A0C B7FB 977A 9FA9 0516 331E BC5B FDE7
* remotes/dgilbert/tags/pull-migration-20210513a:
tests/migration: introduce multifd into guestperf
tests/qtest/migration-test: Use g_autofree to avoid leaks on error paths
tests/migration-test: Fix "true" vs true
migration/ram: Use offset_in_ramblock() in range checks
migration/multifd: Print used_length of memory block
migration/ram: Handle RAM block resizes during postcopy
migration/ram: Simplify host page handling in ram_load_postcopy()
migration/ram: Discard RAM when growing RAM blocks after ram_postcopy_incoming_init()
exec: Relax range check in ram_block_discard_range()
migration/ram: Handle RAM block resizes during precopy
numa: Make all callbacks of ram block notifiers optional
numa: Teach ram block notifiers about resizeable ram blocks
util: vfio-helpers: Factor out and fix processing of existing ram blocks
migration: Drop redundant query-migrate result @blocked
migration/ram: Optimize ram_save_host_page()
migration/ram: Reduce unnecessary rate limiting
migrate/ram: remove "ram_bulk_stage" and "fpo_enabled"
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
We are generating a lot of target-specific defines in the *-config-devices.h
and *-config-target.h files. Using them in common code is wrong and leads
to very subtle bugs since a "#ifdef CONFIG_SOMETHING" is not working there
as expected. To avoid these issues, we are already poisoning many of the
macros in include/exec/poison.h - but it's cumbersome to maintain this
list manually. Thus let's generate an additional list of poisoned macros
automatically from the current config switches - this should give us a
much better test coverage via the different CI configurations.
Note that CONFIG_TCG (which is also defined in config-host.h) and
CONFIG_USER_ONLY are special, so we have to filter these out.
Message-Id: <20210414112004.943383-5-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
We are already poisoning CONFIG_KVM since this switch is not working
in common code. Do the same with the other accelerator switches, too
(except for CONFIG_TCG, which is special, since it is also defined in
config-host.h).
Message-Id: <20210414112004.943383-2-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Resizing while migrating is dangerous and does not work as expected.
The whole migration code works with the usable_length of a ram block and
does not expect this value to change at random points in time.
In the case of postcopy, relying on used_length is racy as soon as the
guest is running. Also, when used_length changes we might leave the
uffd handler registered for some memory regions, reject valid pages
when migrating and fail when sending the recv bitmap to the source.
Resizing can be trigger *after* (but not during) a reset in
ACPI code by the guest
- hw/arm/virt-acpi-build.c:acpi_ram_update()
- hw/i386/acpi-build.c:acpi_ram_update()
Let's remember the original used_length in a separate variable and
use it in relevant postcopy code. Make sure to update it when we resize
during precopy, when synchronizing the RAM block sizes with the source.
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210429112708.12291-9-david@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Resizing while migrating is dangerous and does not work as expected.
The whole migration code works on the usable_length of ram blocks and does
not expect this to change at random points in time.
In the case of precopy, the ram block size must not change on the source,
after syncing the RAM block list in ram_save_setup(), so as long as the
guest is still running on the source.
Resizing can be trigger *after* (but not during) a reset in
ACPI code by the guest
- hw/arm/virt-acpi-build.c:acpi_ram_update()
- hw/i386/acpi-build.c:acpi_ram_update()
Use the ram block notifier to get notified about resizes. Let's simply
cancel migration and indicate the reason. We'll continue running on the
source. No harm done.
Update the documentation. Postcopy will be handled separately.
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210429112708.12291-5-david@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Manual merge
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>
Factor it out into common code when a new notifier is registered, just
as done with the memory region notifier. This keeps logic about how to
process existing ram blocks at a central place.
Just like when adding a new ram block, we have to register the max_length.
Ram blocks are only "fake resized". All memory (max_length) is mapped.
Print the warning from inside qemu_vfio_ram_block_added().
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210429112708.12291-2-david@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
The bulk stage is kind of weird: migration_bitmap_find_dirty() will
indicate a dirty page, however, ram_save_host_page() will never save it, as
migration_bitmap_clear_dirty() detects that it is not dirty.
We already fill the bitmap in ram_list_init_bitmaps() with ones, marking
everything dirty - it didn't used to be that way, which is why we needed
an explicit first bulk stage.
Let's simplify: make the bitmap the single source of thuth. Explicitly
handle the "xbzrle_enabled after first round" case.
Regarding XBZRLE (implicitly handled via "ram_bulk_stage = false" right
now), there is now a slight change in behavior:
- Colo: When starting, it will be disabled (was implicitly enabled)
until the first round actually finishes.
- Free page hinting: When starting, XBZRLE will be disabled (was implicitly
enabled) until the first round actually finished.
- Snapshots: When starting, XBZRLE will be disabled. We essentially only
do a single run, so I guess it will never actually get disabled.
Postcopy seems to indirectly disable it in ram_save_page(), so there
shouldn't be really any change.
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Juan Quintela <quintela@redhat.com>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: Andrey Gruzdev <andrey.gruzdev@virtuozzo.com>
Cc: Peter Xu <peterx@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210216105039.40680-1-david@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
- Clenaup some left over v1.9 code
- Documentation improvements
- Support for the shakti_c machine
- Internal cleanup of the CSR accesses
- Updates to the OpenTitan platform
- Support for the virtio-vga
- Fix for the saturate subtract in vector extensions
- Experimental support for the ePMP spec
- A range of other internal code cleanups and bug fixes
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Merge remote-tracking branch 'remotes/alistair/tags/pull-riscv-to-apply-20210511' into staging
A large collection of RISC-V fixes, improvements and features
- Clenaup some left over v1.9 code
- Documentation improvements
- Support for the shakti_c machine
- Internal cleanup of the CSR accesses
- Updates to the OpenTitan platform
- Support for the virtio-vga
- Fix for the saturate subtract in vector extensions
- Experimental support for the ePMP spec
- A range of other internal code cleanups and bug fixes
# gpg: Signature made Tue 11 May 2021 11:17:10 BST
# gpg: using RSA key F6C4AC46D4934868D3B8CE8F21E10D29DF977054
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [full]
# Primary key fingerprint: F6C4 AC46 D493 4868 D3B8 CE8F 21E1 0D29 DF97 7054
* remotes/alistair/tags/pull-riscv-to-apply-20210511: (42 commits)
target/riscv: Fix the RV64H decode comment
target/riscv: Consolidate RV32/64 16-bit instructions
target/riscv: Consolidate RV32/64 32-bit instructions
target/riscv: Remove an unused CASE_OP_32_64 macro
target/riscv: Remove the unused HSTATUS_WPRI macro
target/riscv: Remove the hardcoded SATP_MODE macro
target/riscv: Remove the hardcoded MSTATUS_SD macro
target/riscv: Remove the hardcoded HGATP_MODE macro
target/riscv: Remove the hardcoded SSTATUS_SD macro
target/riscv: Remove the hardcoded RVXLEN macro
target/riscv: fix a typo with interrupt names
fpu/softfloat: set invalid excp flag for RISC-V muladd instructions
hw/riscv: Fix OT IBEX reset vector
target/riscv: fix exception index on instruction access fault
target/riscv: fix vrgather macro index variable type bug
target/riscv: Add ePMP support for the Ibex CPU
target/riscv/pmp: Remove outdated comment
target/riscv: Add a config option for ePMP
target/riscv: Implementation of enhanced PMP (ePMP)
target/riscv: Add ePMP CSR access functions
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
