Merge tag 'hw-misc-20241118' of https://github.com/philmd/qemu into staging

Misc HW fixes

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Merge tag 'hw-misc-20241118' of https://github.com/philmd/qemu into staging

Misc HW fixes

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# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD 6BB2 E3E3 2C2C DEAD C0DE

* tag 'hw-misc-20241118' of https://github.com/philmd/qemu:
hw/watchdog/cmsdk_apb_watchdog: Fix broken link
net: mark struct ip_header as QEMU_PACKED
hw/net/virtio-net.c: Don't assume IP length field is aligned
hw/audio/hda: fix memory leak on audio setup
Revert "hw/audio/hda: fix memory leak on audio setup"
hw/misc/mos6522: Fix bad class definition of the MOS6522 device
hw/sd/sdhci: Fix coding style
tests/qtest/migration: Fix indentations
usb-hub: Fix handling port power control messages
MAINTAINERS: Update my email address for COLO
hw/display: check frame buffer can hold blob
hw/display: factor out the scanout blob to fb conversion
hw/i386/elfboot: allocate "header" in heap
hw/misc/nrf51_rng: Don't use BIT_MASK() when we mean BIT()
vl: fix qemu_validate_options() indention

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

tests/qtest/migration: Fix indentations

Select all the code and hit tab. I'll be moving functions around quite
a lot in the next patches, so make sure all indentation is correct
now.

Add parenthese

tests/qtest/migration: Fix indentations

Select all the code and hit tab. I'll be moving functions around quite
a lot in the next patches, so make sure all indentation is correct
now.

Add parentheses around some expressions to preserve readability.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Message-ID: <20241113194630.3385-2-farosas@suse.de>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>

show more ...

Merge tag 'pull-request-2024-09-17' of https://gitlab.com/thuth/qemu into staging

* Make all qtest targets work with "--without-default-devices"
* Replace assert(0) and assert(false) in qtests and s

Merge tag 'pull-request-2024-09-17' of https://gitlab.com/thuth/qemu into staging

* Make all qtest targets work with "--without-default-devices"
* Replace assert(0) and assert(false) in qtests and s390x code
* Enable the device aliases for or1k
* Some other small test improvements

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# 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]
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# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5

* tag 'pull-request-2024-09-17' of https://gitlab.com/thuth/qemu:
.gitlab-ci.d/crossbuilds.yml: Force 'make check' to -j2 for cross-i686-tci
tests/functional: Move the mips64el fuloong2e test into the thorough category
docs/fuzz: fix outdated mention to enable-sanitizers
system: Enable the device aliases for or1k, too
system: Sort QEMU_ARCH_VIRTIO_PCI definition
tests/qtest: remove break after g_assert_not_reached()
tests/qtest: replace assert(false) with g_assert_not_reached()
include/hw/s390x: replace assert(false) with g_assert_not_reached()
tests/unit: replace assert(0) with g_assert_not_reached()
tests/qtest: replace assert(0) with g_assert_not_reached()
gitlab: fix logic for changing docker tag on stable branches
.gitlab-ci.d/buildtest: Build most targets in the build-without-defaults job
tests/qtest: Disable numa-test if the default machine is not available
tests/qtest/meson.build: Add more CONFIG switches checks for the x86 tests
tests/qtest/hd-geo-test: Check for availability of "pc" machine before using it
tests/qtest/boot-order-test: Make the machine name mandatory in this test
tests/qtest/cdrom-test: Improve the machine detection in the cdrom test

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

tests/qtest: remove break after g_assert_not_reached()

This patch is part of a series that moves towards a consistent use of
g_assert_not_reached() rather than an ad hoc mix of different
assertion m

tests/qtest: remove break after g_assert_not_reached()

This patch is part of a series that moves towards a consistent use of
g_assert_not_reached() rather than an ad hoc mix of different
assertion mechanisms.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-ID: <20240912073921.453203-36-pierrick.bouvier@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>

show more ...

Merge tag 'migration-20240904-pull-request' of https://gitlab.com/farosas/qemu into staging

Migration pull request

- Steve's cleanup of unused variable
- Peter Maydell's fixes for several leaks in

Merge tag 'migration-20240904-pull-request' of https://gitlab.com/farosas/qemu into staging

Migration pull request

- Steve's cleanup of unused variable
- Peter Maydell's fixes for several leaks in migration-test
- Fabiano's flexibilization of multifd data structures for device
state migration
- Arman Nabiev's fix for ppc e500 migration
- Thomas' fix for migration-test vs. --without-default-devices

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# gpg: using RSA key AA1B48B0A22326A5A4C364CFC798DC741BEC319D
# gpg: issuer "farosas@suse.de"
# gpg: Good signature from "Fabiano Rosas <farosas@suse.de>" [unknown]
# gpg: aka "Fabiano Almeida Rosas <fabiano.rosas@suse.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: AA1B 48B0 A223 26A5 A4C3 64CF C798 DC74 1BEC 319D

* tag 'migration-20240904-pull-request' of https://gitlab.com/farosas/qemu: (34 commits)
tests/qtest/migration: Add a check for the availability of the "pc" machine
target/ppc: Fix migration of CPUs with TLB_EMB TLB type
migration/multifd: Add documentation for multifd methods
migration/multifd: Add a couple of asserts for p->iov
migration/multifd: Fix p->iov leak in multifd-uadk.c
migration/multifd: Stop changing the packet on recv side
migration/multifd: Make MultiFDMethods const
migration/multifd: Move nocomp code into multifd-nocomp.c
migration/multifd: Register nocomp ops dynamically
migration/multifd: Standardize on multifd ops names
migration/multifd: Allow multifd sync without flush
migration/multifd: Replace multifd_send_state->pages with client data
migration/multifd: Don't send ram data during SYNC
migration/multifd: Isolate ram pages packet data
migration/multifd: Remove total pages tracing
migration/multifd: Move pages accounting into multifd_send_zero_page_detect()
migration/multifd: Replace p->pages with an union pointer
migration/multifd: Make MultiFDPages_t:offset a flexible array member
migration/multifd: Introduce MultiFDSendData
migration/multifd: Pass in MultiFDPages_t to file_write_ramblock_iov
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

tests/qtest/migration-helpers: Don't dup argument to qdict_put_str()

In migrate_set_ports() we call qdict_put_str() with a value string
which we g_strdup(). However qdict_put_str() takes a copy of t

tests/qtest/migration-helpers: Don't dup argument to qdict_put_str()

In migrate_set_ports() we call qdict_put_str() with a value string
which we g_strdup(). However qdict_put_str() takes a copy of the
value string, it doesn't take ownership of it, so the g_strdup()
only results in a leak:

Direct leak of 6 byte(s) in 1 object(s) allocated from:
#0 0x56298023713e in malloc (/mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/tests/qtest/migration-test+0x22f13e) (BuildId: b2b9174a5a54707a7f76bca51cdc95d2aa08bac1)
#1 0x7fba0ad39738 in g_malloc debian/build/deb/../../../glib/gmem.c:128:13
#2 0x7fba0ad4e583 in g_strdup debian/build/deb/../../../glib/gstrfuncs.c:361:17
#3 0x56298036b16e in migrate_set_ports tests/qtest/migration-helpers.c:145:49
#4 0x56298036ad1c in migrate_qmp tests/qtest/migration-helpers.c:228:9
#5 0x56298035b3dd in test_precopy_common tests/qtest/migration-test.c:1820:5
#6 0x5629803549dc in test_multifd_tcp_channels_none tests/qtest/migration-test.c:3077:5
#7 0x56298036d427 in migration_test_wrapper tests/qtest/migration-helpers.c:456:5

Drop the unnecessary g_strdup() call.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Fabiano Rosas <farosas@suse.de>

show more ...

tests/qtest/migration-helpers: Fix migrate_get_socket_address() leak

In migrate_get_socket_address() we leak the SocketAddressList:
(cd build/asan && \
ASAN_OPTIONS="fast_unwind_on_malloc=0:strip

tests/qtest/migration-helpers: Fix migrate_get_socket_address() leak

In migrate_get_socket_address() we leak the SocketAddressList:
(cd build/asan && \
ASAN_OPTIONS="fast_unwind_on_malloc=0:strip_path_prefix=/mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/../../"
QTEST_QEMU_BINARY=./qemu-system-x86_64 \
./tests/qtest/migration-test --tap -k -p /x86_64/migration/multifd/tcp/tls/psk/match )

[...]
Direct leak of 16 byte(s) in 1 object(s) allocated from:
#0 0x563d7f22f318 in __interceptor_calloc (/mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/tests/qtest/migration-test+0x22f318) (BuildId: 2ad6282fb5d076c863ab87f41a345d46dc965ded)
#1 0x7f9de3b39c50 in g_malloc0 debian/build/deb/../../../glib/gmem.c:161:13
#2 0x563d7f3a119c in qobject_input_start_list qapi/qobject-input-visitor.c:336:17
#3 0x563d7f390fbf in visit_start_list qapi/qapi-visit-core.c:80:10
#4 0x563d7f3882ef in visit_type_SocketAddressList /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/asan/qapi/qapi-visit-sockets.c:519:10
#5 0x563d7f3658c9 in migrate_get_socket_address tests/qtest/migration-helpers.c:97:5
#6 0x563d7f362e24 in migrate_get_connect_uri tests/qtest/migration-helpers.c:111:13
#7 0x563d7f362bb2 in migrate_qmp tests/qtest/migration-helpers.c:222:23
#8 0x563d7f3533cd in test_precopy_common tests/qtest/migration-test.c:1817:5
#9 0x563d7f34dc1c in test_multifd_tcp_tls_psk_match tests/qtest/migration-test.c:3185:5
#10 0x563d7f365337 in migration_test_wrapper tests/qtest/migration-helpers.c:458:5

The code fishes out the SocketAddress from the list to return it, and the
callers are freeing that, but nothing frees the list.

Since this function is called in only two places, the simple fix is to
make it return the SocketAddressList rather than just a SocketAddress,
and then the callers can easily access the SocketAddress, and free
the whole SocketAddressList when they're done.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Fabiano Rosas <farosas@suse.de>

show more ...

Merge tag 'migration-20240621-pull-request' of https://gitlab.com/farosas/qemu into staging

Migration pull request

- Fabiano's fix for fdset + file migration truncating the migration
file

- Fabi

Merge tag 'migration-20240621-pull-request' of https://gitlab.com/farosas/qemu into staging

Migration pull request

- Fabiano's fix for fdset + file migration truncating the migration
file

- Fabiano's fdset + direct-io support for mapped-ram

- Peter's various cleanups (multifd sync, thread names, migration
states, tests)

- Peter's new migration state postcopy-recover-setup

- Philippe's unused vmstate macro cleanup

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# gpg: Good signature from "Fabiano Rosas <farosas@suse.de>" [unknown]
# gpg: aka "Fabiano Almeida Rosas <fabiano.rosas@suse.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: AA1B 48B0 A223 26A5 A4C3 64CF C798 DC74 1BEC 319D

* tag 'migration-20240621-pull-request' of https://gitlab.com/farosas/qemu: (28 commits)
migration: Remove unused VMSTATE_ARRAY_TEST() macro
tests/migration-tests: Cover postcopy failure on reconnect
tests/migration-tests: Verify postcopy-recover-setup status
tests/migration-tests: migration_event_wait()
tests/migration-tests: Always enable migration events
tests/migration-tests: Drop most WIN32 ifdefs for postcopy failure tests
migration/docs: Update postcopy recover session for SETUP phase
migration/postcopy: Add postcopy-recover-setup phase
migration: Cleanup incoming migration setup state change
migration: Use MigrationStatus instead of int
migration: Rename thread debug names
migration/multifd: Avoid the final FLUSH in complete()
tests/qtest/migration: Add a test for mapped-ram with passing of fds
migration: Add documentation for fdset with multifd + file
monitor: fdset: Match against O_DIRECT
tests/qtest/migration: Add tests for file migration with direct-io
migration/multifd: Add direct-io support
migration: Add direct-io parameter
io: Stop using qemu_open_old in channel-file
monitor: Report errors from monitor_fdset_dup_fd_add
...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

tests/migration-tests: migration_event_wait()

Introduce a small helper to wait for a migration event, generalized from
the incoming migration path. Make the helper easier to use by allowing it
to k

tests/migration-tests: migration_event_wait()

Introduce a small helper to wait for a migration event, generalized from
the incoming migration path. Make the helper easier to use by allowing it
to keep waiting until the expected event is received.

Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Fabiano Rosas <farosas@suse.de>

show more ...

tests/migration-tests: Always enable migration events

Libvirt should always enable it, so it'll be nice qtest also cover that for
all tests on both sides. migrate_incoming_qmp() used to enable it o

tests/migration-tests: Always enable migration events

Libvirt should always enable it, so it'll be nice qtest also cover that for
all tests on both sides. migrate_incoming_qmp() used to enable it only on
dst, now we enable them on both, as we'll start to sanity check events even
on the src QEMU.

We'll need to leave the one in migrate_incoming_qmp(), because
virtio-net-failover test uses that one only, and it relies on the events to
work.

Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Fabiano Rosas <farosas@suse.de>

show more ...

tests/qtest/migration: Add tests for file migration with direct-io

The tests are only allowed to run in systems that know about the
O_DIRECT flag and in filesystems which support it.

Note: this als

tests/qtest/migration: Add tests for file migration with direct-io

The tests are only allowed to run in systems that know about the
O_DIRECT flag and in filesystems which support it.

Note: this also brings back migrate_set_parameter_bool() which went
away when we removed the compression tests. I copied it verbatim.

Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>

show more ...

Merge tag 'migration-20240423-pull-request' of https://gitlab.com/peterx/qemu into staging

Migration pull for 9.1

- Het's new test cases for "channels"
- Het's fix for a typo for vsock parsing
- Ce

Merge tag 'migration-20240423-pull-request' of https://gitlab.com/peterx/qemu into staging

Migration pull for 9.1

- Het's new test cases for "channels"
- Het's fix for a typo for vsock parsing
- Cedric's VFIO error report series
- Cedric's one more patch for dirty-bitmap error reports
- Zhijian's rdma deprecation patch
- Yuan's zeropage optimization to fix double faults on anon mem
- Zhijian's COLO fix on a crash

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# 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: B918 4DC2 0CC4 57DA CF7D D1A9 3B5F CCCD F3AB D706

* tag 'migration-20240423-pull-request' of https://gitlab.com/peterx/qemu: (26 commits)
migration/colo: Fix bdrv_graph_rdlock_main_loop: Assertion `!qemu_in_coroutine()' failed.
migration/multifd: solve zero page causing multiple page faults
migration: Add Error** argument to add_bitmaps_to_list()
migration: Modify ram_init_bitmaps() to report dirty tracking errors
migration: Add Error** argument to xbzrle_init()
migration: Add Error** argument to ram_state_init()
memory: Add Error** argument to the global_dirty_log routines
migration: Introduce ram_bitmaps_destroy()
memory: Add Error** argument to .log_global_start() handler
migration: Add Error** argument to .load_setup() handler
migration: Add Error** argument to .save_setup() handler
migration: Add Error** argument to qemu_savevm_state_setup()
migration: Add Error** argument to vmstate_save()
migration: Always report an error in ram_save_setup()
migration: Always report an error in block_save_setup()
vfio: Always report an error in vfio_save_setup()
s390/stattrib: Add Error** argument to set_migrationmode() handler
tests/qtest/migration: Fix typo for vsock in SocketAddress_to_str
tests/qtest/migration: Add negative tests to validate migration QAPIs
tests/qtest/migration: Add multifd_tcp_plain test using list of channels instead of uri
...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

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tests/qtest/migration: Fix typo for vsock in SocketAddress_to_str

Signed-off-by: Het Gala <het.gala@nutanix.com>
Link: https://lore.kernel.org/r/20240319204840.211632-2-het.gala@nutanix.com
Signed-o

tests/qtest/migration: Fix typo for vsock in SocketAddress_to_str

Signed-off-by: Het Gala <het.gala@nutanix.com>
Link: https://lore.kernel.org/r/20240319204840.211632-2-het.gala@nutanix.com
Signed-off-by: Peter Xu <peterx@redhat.com>

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tests/qtest/migration: Add channels parameter in migrate_qmp

Alter migrate_qmp() to allow use of channels parameter, but only
fill the uri with correct port number if there are no channels.
Here we

tests/qtest/migration: Add channels parameter in migrate_qmp

Alter migrate_qmp() to allow use of channels parameter, but only
fill the uri with correct port number if there are no channels.
Here we don't want to allow the wrong cases of having both or
none (ex: migrate_qmp_fail).

Signed-off-by: Het Gala <het.gala@nutanix.com>
Suggested-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240312202634.63349-7-het.gala@nutanix.com
Signed-off-by: Peter Xu <peterx@redhat.com>

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tests/qtest/migration: Add migrate_set_ports into migrate_qmp to update migration port value

migrate_get_connect_qdict gets qdict with the dst QEMU parameters.

migrate_set_ports() from list of chan

tests/qtest/migration: Add migrate_set_ports into migrate_qmp to update migration port value

migrate_get_connect_qdict gets qdict with the dst QEMU parameters.

migrate_set_ports() from list of channels reads each QDict for port,
and fills the port with correct value in case it was 0 in the test.

Signed-off-by: Het Gala <het.gala@nutanix.com>
Suggested-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240312202634.63349-6-het.gala@nutanix.com
Signed-off-by: Peter Xu <peterx@redhat.com>

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tests/qtest/migration: Add channels parameter in migrate_qmp_fail

Alter migrate_qmp_fail() to allow both uri and channels
independently. For channels, convert string to a Dict.
No dealing with migra

tests/qtest/migration: Add channels parameter in migrate_qmp_fail

Alter migrate_qmp_fail() to allow both uri and channels
independently. For channels, convert string to a Dict.
No dealing with migrate_get_socket_address() here because
we will fail before starting the migration anyway.

Signed-off-by: Het Gala <het.gala@nutanix.com>
Suggested-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240312202634.63349-5-het.gala@nutanix.com
Signed-off-by: Peter Xu <peterx@redhat.com>

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tests/qtest/migration: Replace migrate_get_connect_uri inplace of migrate_get_socket_address

Refactor migrate_get_socket_address to internally utilize 'socket-address'
parameter, reducing redundancy

tests/qtest/migration: Replace migrate_get_connect_uri inplace of migrate_get_socket_address

Refactor migrate_get_socket_address to internally utilize 'socket-address'
parameter, reducing redundancy in the function definition.

migrate_get_socket_address implicitly converts SocketAddress into str.
Move migrate_get_socket_address inside migrate_get_connect_uri which
should return the uri string instead.

Signed-off-by: Het Gala <het.gala@nutanix.com>
Suggested-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240312202634.63349-4-het.gala@nutanix.com
Signed-off-by: Peter Xu <peterx@redhat.com>

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tests/qtest/migration: Replace connect_uri and move migrate_get_socket_address inside migrate_qmp

Move the calls to migrate_get_socket_address() into migrate_qmp().
Get rid of connect_uri and replac

tests/qtest/migration: Replace connect_uri and move migrate_get_socket_address inside migrate_qmp

Move the calls to migrate_get_socket_address() into migrate_qmp().
Get rid of connect_uri and replace it with args->connect_uri only
because 'to' object will help to generate connect_uri with the
correct port number.

Signed-off-by: Het Gala <het.gala@nutanix.com>
Suggested-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240312202634.63349-3-het.gala@nutanix.com
Signed-off-by: Peter Xu <peterx@redhat.com>

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tests/qtest/migration: Add 'to' object into migrate_qmp()

Add the 'to' object into migrate_qmp(), so we can use
migrate_get_socket_address() inside migrate_qmp() to get
the port value. This is not a

tests/qtest/migration: Add 'to' object into migrate_qmp()

Add the 'to' object into migrate_qmp(), so we can use
migrate_get_socket_address() inside migrate_qmp() to get
the port value. This is not applied to other migrate_qmp*
because they don't need the port.

Signed-off-by: Het Gala <het.gala@nutanix.com>
Suggested-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20240312202634.63349-2-het.gala@nutanix.com
Signed-off-by: Peter Xu <peterx@redhat.com>

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Merge tag 'migration-20240116-pull-request' of https://gitlab.com/peterx/qemu into staging

Migration pull request 2nd batch for 9.0

- Het's cleanup on migration qmp command paths
- Fabiano's migrat

Merge tag 'migration-20240116-pull-request' of https://gitlab.com/peterx/qemu into staging

Migration pull request 2nd batch for 9.0

- Het's cleanup on migration qmp command paths
- Fabiano's migration cleanups and test improvements
- Fabiano's patch to re-enable multifd-cancel test
- Peter's migration doc reorganizations
- Nick Briggs's fix for Solaries build on rdma

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* tag 'migration-20240116-pull-request' of https://gitlab.com/peterx/qemu:
migration/rdma: define htonll/ntohll only if not predefined
docs/migration: Further move virtio to be feature of migration
docs/migration: Further move vfio to be feature of migration
docs/migration: Organize "Postcopy" page
docs/migration: Split "dirty limit"
docs/migration: Split "Postcopy"
docs/migration: Split "Debugging" and "Firmware"
docs/migration: Split "Backwards compatibility" separately
docs/migration: Convert virtio.txt into rST
docs/migration: Create index page
docs/migration: Create migration/ directory
tests/qtest: Re-enable multifd cancel test
tests/qtest/migration: Use the new migration_test_add
tests/qtest/migration: Add a wrapper to print test names
tests/qtest/migration: Print migration incoming errors
migration: Report error in incoming migration
migration/multifd: Change multifd_pages_init argument
migration/multifd: Remove QEMUFile from where it is not needed
migration/multifd: Remove MultiFDPages_t::packet_num
migration: Simplify initial conditionals in migration for better readability

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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tests/qtest/migration: Add a wrapper to print test names

Our usage of gtest results in us losing the very basic functionality
of "knowing which test failed". The issue is that gtest only prints
test

tests/qtest/migration: Add a wrapper to print test names

Our usage of gtest results in us losing the very basic functionality
of "knowing which test failed". The issue is that gtest only prints
test names ("paths" in gtest parlance) once the test has finished, but
we use asserts in the tests and crash gtest itself before it can print
anything. We also use a final abort when the result of g_test_run is
not 0.

Depending on how the test failed/broke we can see the function that
trigged the abort, which may be representative of the test, but it
could also just be some generic function.

We have been relying on the primitive method of looking at the name of
the previous successful test and then looking at the code to figure
out which test should have come next.

Add a wrapper to the test registration that does the job of printing
the test name before running.

Signed-off-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20240104142144.9680-7-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>

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tests/qtest/migration: Print migration incoming errors

We're currently just asserting when incoming migration fails. Let's
print the error message from QMP as well.

Signed-off-by: Fabiano Rosas <fa

tests/qtest/migration: Print migration incoming errors

We're currently just asserting when incoming migration fails. Let's
print the error message from QMP as well.

Signed-off-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20240104142144.9680-6-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>

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Merge tag 'migration-20240104-pull-request' of https://gitlab.com/peterx/qemu into staging

migration 1st pull for 9.0

- We lost Juan and Leo in the maintainers file
- Steven's suspend state fix
- S

Merge tag 'migration-20240104-pull-request' of https://gitlab.com/peterx/qemu into staging

migration 1st pull for 9.0

- We lost Juan and Leo in the maintainers file
- Steven's suspend state fix
- Steven's fix for coverity on migrate_mode
- Avihai's migration cleanup series

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# 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: B918 4DC2 0CC4 57DA CF7D D1A9 3B5F CCCD F3AB D706

* tag 'migration-20240104-pull-request' of https://gitlab.com/peterx/qemu: (26 commits)
migration: fix coverity migrate_mode finding
migration/multifd: Remove unnecessary usage of local Error
migration: Remove unnecessary usage of local Error
migration: Fix migration_channel_read_peek() error path
migration/multifd: Remove error_setg() in migration_ioc_process_incoming()
migration/multifd: Fix leaking of Error in TLS error flow
migration/multifd: Simplify multifd_channel_connect() if else statement
migration/multifd: Fix error message in multifd_recv_initial_packet()
migration: Remove errp parameter in migration_fd_process_incoming()
migration: Refactor migration_incoming_setup()
migration: Remove nulling of hostname in migrate_init()
migration: Remove migrate_max_downtime() declaration
tests/qtest: postcopy migration with suspend
tests/qtest: precopy migration with suspend
tests/qtest: option to suspend during migration
tests/qtest: migration events
migration: preserve suspended for bg_migration
migration: preserve suspended for snapshot
migration: preserve suspended runstate
migration: propagate suspended runstate
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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tests/qtest: precopy migration with suspend

Add a test case to verify that the suspended state is handled correctly
during live migration precopy. The test suspends the src, migrates, then
wakes th

tests/qtest: precopy migration with suspend

Add a test case to verify that the suspended state is handled correctly
during live migration precopy. The test suspends the src, migrates, then
wakes the dest.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/1704312341-66640-12-git-send-email-steven.sistare@oracle.com
Signed-off-by: Peter Xu <peterx@redhat.com>

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tests/qtest: migration events

Define a state object to capture events seen by migration tests, to allow
more events to be captured in a subsequent patch, and simplify event
checking in wait_for_migr

tests/qtest: migration events

Define a state object to capture events seen by migration tests, to allow
more events to be captured in a subsequent patch, and simplify event
checking in wait_for_migration_pass. No functional change.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: "Daniel P. Berrangé" <berrange@redhat.com>
Link: https://lore.kernel.org/r/1704312341-66640-10-git-send-email-steven.sistare@oracle.com
Signed-off-by: Peter Xu <peterx@redhat.com>

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