Just like -incoming. Later we will add support for "-incoming defer
-preconfig", because there are cases (Xen, block layer) that want
to look at RUNSTATE_INMIGRATE. -loadvm will remain mutually exclusive
with preconfig; the plan is to just do loadvm in the monitor, since
the user is already going to interact with it for preconfiguration.
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The final part of qemu_init, starting with the completion of
board init, is already relatively clean. Split it out of
qemu_init so that qemu_init keeps only the messy parts.
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Group a bunch of subsystem initializations that can be done right
after command line parsing. Remove initializations that can be done
simply as global variable initializers.
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Some very simple initialization routines can be nested in existing
subsystem-level functions, do that to simplify qemu_init.
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Various options affect the global state of QEMU including the rest of
qemu_init, and they need to be called very early. Group them together
in a function that is called at the beginning.
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
There is no reason to prevent -preconfig -daemonize. Of course if
no monitor is defined there will be no way to start the VM,
but that is a user error.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Once smp_parse is done, the validation operates on the MachineState.
There is no reason for that code to be in vl.c.
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
bios_name was a legacy variable used by machine code, but it is
no more.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20201026143028.3034018-16-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
address_space_write() returns a MemTxResult type.
Do not discard it, return it to the caller.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20201023151923.3243652-5-philmd@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>
We check that it exist at device creation time, so we don't have to
check anywhere else.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20201118083748.1328-22-quintela@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
We don't need to walk the opts by hand. qmp_opt_get() already does
that. And then we can remove the functions that did that walk.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20201118083748.1328-21-quintela@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Just put allthe logic inside the same if.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20201118083748.1328-20-quintela@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Once there, remove not needed cast.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20201118083748.1328-3-quintela@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Device IOTLB invalidations can unmap arbitrary ranges, eiter outside of
the memory region or even [0, ~0ULL] for all the space. The assertion
could be hit by a guest, and rhel7 guest effectively hit 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: <20201116165506.31315-6-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>
It makes no sense to track dirty pages for those un-migratable memory
regions (e.g., Memory BAR region of the VFIO PCI device) and doing so
will potentially lead to some unpleasant issues during migration [1].
Skip dirty tracking for those regions by evaluating if the region is
migratable before setting dirty_log_mask (DIRTY_MEMORY_MIGRATION).
[1] https://lists.gnu.org/archive/html/qemu-devel/2020-11/msg03757.html
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Message-Id: <20201116132210.1730-1-yuzenghui@huawei.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
There is no "version 2" of the "Lesser" General Public License.
It is either "GPL version 2.0" or "Lesser GPL version 2.1".
This patch replaces all occurrences of "Lesser GPL version 2" with
"Lesser GPL version 2.1" in comment section.
This patch contains all the files, whose maintainer I could not get
from ‘get_maintainer.pl’ script.
Signed-off-by: Chetan Pant <chetan4windows@gmail.com>
Message-Id: <20201023124424.20177-1-chetan4windows@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
[thuth: Adapted exec.c and qdev-monitor.c to new location]
Signed-off-by: Thomas Huth <thuth@redhat.com>
It is not needed, all the callers are just saving what was
retrieved from -trace and trace_init_file can retrieve it
on its own.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20201102115841.4017692-1-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
In COLO mode, if the startup parameters of QEMU include "no-shutdown",
QEMU will crash when the guest shutdown. The root cause is when the
guest shutdown, the state of VM will switch COLO to SHUTDOWN. When do
checkpoint again, the state will be changed to COLO. But the state
switch is undefined in runstate_transitions_def, we should add it.
This patch fixes the following:
qemu-system-x86_64: invalid runstate transition: 'shutdown' -> 'colo'
Aborted
Signed-off-by: Lei Rao <lei.rao@intel.com>
Signed-off-by: Zhang Chen <chen.zhang@intel.com>
Reviewed-by: Zhang Chen <chen.zhang@intel.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Lots of fixes all over the place.
virtio-mem and virtio-iommu patches are kind of fixes but
it seems better to just make them behave sanely than
try to educate users about the limitations ...
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: fixes
Lots of fixes all over the place.
virtio-mem and virtio-iommu patches are kind of fixes but
it seems better to just make them behave sanely than
try to educate users about the limitations ...
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Wed 04 Nov 2020 18:40:03 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: (31 commits)
contrib/vhost-user-blk: fix get_config() information leak
block/export: fix vhost-user-blk get_config() information leak
block/export: make vhost-user-blk config space little-endian
configure: introduce --enable-vhost-user-blk-server
libvhost-user: follow QEMU comment style
vhost-blk: set features before setting inflight feature
Revert "vhost-blk: set features before setting inflight feature"
net: Add vhost-vdpa in show_netdevs()
vhost-vdpa: Add qemu_close in vhost_vdpa_cleanup
vfio: Don't issue full 2^64 unmap
virtio-iommu: Set supported page size mask
vfio: Set IOMMU page size as per host supported page size
memory: Add interface to set iommu page size mask
virtio-iommu: Add notify_flag_changed() memory region callback
virtio-iommu: Add replay() memory region callback
virtio-iommu: Call memory notifiers in attach/detach
virtio-iommu: Add memory notifiers for map/unmap
virtio-iommu: Store memory region in endpoint struct
virtio-iommu: Fix virtio_iommu_mr()
hw/smbios: Fix leaked fd in save_opt_one() error path
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Eventfd can be registered with a zero length when fast_mmio is true.
Handle this case properly when dispatching through QEMU.
Signed-off-by: Elena Afanasova <eafanasova@gmail.com>
Message-id: cf71a62eb04e61932ff8ffdd02e0b2aab4f495a0.camel@gmail.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
qemu_semihosting_console_init uses semihosting.chardev which is set
by qemu_semihosting_connect_chardevs. Thus qemu_semihosting_connect_chardevs
has to be called first.
Both have to be called after processing -serial and friends though, so
that the semihosting console can connect to a multiplexer as in
"-serial mon:stdio -semihosting-config chardev=serial0"
Suggested-by: Alex Bennée <alex.bennee@linaro.org>
Fixes: 619985e937 ("semihosting: defer connect_chardevs a little more to use serialx", 2020-07-27)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
We removed the global_locking field in commit 4174495408,
leaving dead code around the 'unlocked' variable. Remove it
to fix the DEADCODE issue reported by Coverity (CID 1432876).
Fixes: 4174495408 ("exec: Remove MemoryRegion::global_locking field")
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20201030153752.1557776-1-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Allow to set the page size mask supported by an iommu memory region.
This enables a vIOMMU to communicate the page size granule supported by
an assigned device, on hosts that use page sizes greater than 4kB.
Acked-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Bharat Bhushan <bbhushan2@marvell.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Message-Id: <20201030180510.747225-8-jean-philippe@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
mr->ram_block is NULL when mr->is_iommu is true, then fr.dirty_log_mask
wasn't set correctly due to which memory listener's log_sync doesn't
get called.
This patch returns log_mask with DIRTY_MEMORY_MIGRATION set when
IOMMU is enabled.
Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com>
Reviewed-by: Yan Zhao <yan.y.zhao@intel.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@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>
* Fix for Xen dummy cpu loop (which happened due to qtest accel rework)
* Introduction of the generic device fuzzer
* Run more check-acceptance tests in the gitlab-CI
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Merge remote-tracking branch 'remotes/huth-gitlab/tags/pull-request-2020-10-26' into staging
* qtest fixes (e.g. memory leaks)
* Fix for Xen dummy cpu loop (which happened due to qtest accel rework)
* Introduction of the generic device fuzzer
* Run more check-acceptance tests in the gitlab-CI
# gpg: Signature made Mon 26 Oct 2020 09:34:04 GMT
# 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/huth-gitlab/tags/pull-request-2020-10-26: (31 commits)
tests/acceptance: Use .ppm extention for Portable PixMap files
tests/acceptance: Remove unused import
test/docker/dockerfiles: Add missing packages for acceptance tests
tests/acceptance: Enable AVOCADO_ALLOW_UNTRUSTED_CODE in the gitlab-CI
test/acceptance: Remove the CONTINUOUS_INTEGRATION tags
tests/acceptance/ppc_prep_40p: Fix the URL to the NetBSD-4.0 archive
scripts/oss-fuzz: ignore the generic-fuzz target
scripts/oss-fuzz: use hardlinks instead of copying
fuzz: register predefined generic-fuzz configs
fuzz: add generic-fuzz configs for oss-fuzz
fuzz: add an "opaque" to the FuzzTarget struct
fuzz: Add instructions for using generic-fuzz
scripts/oss-fuzz: Add crash trace minimization script
scripts/oss-fuzz: Add script to reorder a generic-fuzzer trace
fuzz: add a crossover function to generic-fuzzer
fuzz: add a DISABLE_PCI op to generic-fuzzer
fuzz: Add support for custom crossover functions
fuzz: Add fuzzer callbacks to DMA-read functions
fuzz: Declare DMA Read callback function
fuzz: Add DMA support to the generic-fuzzer
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Initialize the object's values from the class when the object is
created, no need to have vl.c do it for us.
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Clean up vl.c, default min/max/default_cpus to uniprocessor
directly in the QOM class initialization code.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
We should be careful to not call any functions besides fuzz_dma_read_cb.
Without --enable-fuzzing, fuzz_dma_read_cb is an empty inlined function.
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-Id: <20201023150746.107063-7-alxndr@bu.edu>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This patch declares the fuzz_dma_read_cb function and uses the
preprocessor and linker(weak symbols) to handle these cases:
When we build softmmu/all with --enable-fuzzing, there should be no
strong symbol defined for fuzz_dma_read_cb, and we link against a weak
stub function.
When we build softmmu/fuzz with --enable-fuzzing, we link against the
strong symbol in generic_fuzz.c
When we build softmmu/all without --enable-fuzzing, fuzz_dma_read_cb is
an empty, inlined function. As long as we don't call any other functions
when building the arguments, there should be no overhead.
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-Id: <20201023150746.107063-6-alxndr@bu.edu>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Message-Id: <20201023150746.107063-2-alxndr@bu.edu>
Signed-off-by: Thomas Huth <thuth@redhat.com>
By making use of libvhost-user, block device drive can be shared to
the connected vhost-user client. Only one client can connect to the
server one time.
Since vhost-user-server needs a block drive to be created first, delay
the creation of this object.
Suggested-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Coiby Xu <coiby.xu@gmail.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20200918080912.321299-6-coiby.xu@gmail.com
[Shorten "vhost_user_blk_server" string to "vhost_user_blk" to avoid the
following compiler warning:
../block/export/vhost-user-blk-server.c:178:50: error: ‘%s’ directive output truncated writing 21 bytes into a region of size 20 [-Werror=format-truncation=]
and fix "Invalid size %ld ..." ssize_t format string arguments for
32-bit hosts.
--Stefan]
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The option has never been mentioned in our documentation, it's been
deprecated since years, it's marked with QEMU_ARCH_I386 (which does
not make sense anymore since KVM is available on other architectures,
too), it does not do anything by default in upstream QEMU (since TCG
is the default here anyway), and we're spending too much precious time
each year discussing whether it makes sense to keep this option as a
nice suger or not... let's finally put an end on this and remove it.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20201020160504.62460-1-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
In case the spice opts are not registered, try loading the spice module.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20201019075224.14803-10-kraxel@redhat.com
Restricting 'inject-nmi' to machine.json pulls slightly
less QAPI-generated code into user-mode and tools.
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20201012121536.3381997-2-philmd@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Initialize spice before chardevs. That allows to register the spice
chardevs directly in the init function and removes the need to maintain
a linked list of chardevs just for registration.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20201014121120.13482-5-kraxel@redhat.com
Add mayfail bool parameter to module loading functions. Set it to true
for module_load_qom_all() because device modules might not load into all
system emulation variants. qemu-system-s390x for example will not load
qxl because it lacks vga support. Makes "make check" less chatty.
Drop module_loaded_qom_all check in module_load_qom_one to make sure we
see errors for explicit load requests, i.e. module_load_qom_one("qxl")
failing will log an error no matter whenever module_load_qom_all() was
called before or not.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20200923091217.22662-1-kraxel@redhat.com
