| Commit message (Collapse) | Author | Age | Files | Lines |
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Suggest VIRTIO_NET_F_HASH_REPORT if specified in device
parameters.
If the VIRTIO_NET_F_HASH_REPORT is set,
the device extends configuration space. If the feature
is negotiated, the packet layout is extended to
accomodate the hash information. In this case deliver
packet's hash value and report type in virtio header
extension.
Use for configuration the same procedure as already
used for RSS. We add two fields in rss_data that
controls what the device does with the calculated hash
if rss_data.enabled is set. If field 'populate' is set
the hash is set in the packet, if field 'redirect' is
set the hash is used to decide the queue to place the
packet to.
Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
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Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
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If VIRTIO_NET_F_RSS negotiated and RSS is enabled, process
incoming packets, calculate packet's hash and place the
packet into respective RX virtqueue.
Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
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Optionally report RSS feature.
Handle RSS configuration command and keep RSS parameters
in virtio-net device context.
Signed-off-by: Yuri Benditovich <yuri.benditovich@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
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'remotes/dgilbert/tags/pull-migration-20200617a' into staging
Migration (and HMP and virtiofs) pull 2020-06-17
Migration:
HMP/migration and test changes from Mao Zhongyi
multifd fix from Laurent Vivier
HMP
qom-set partial reversion/change from David Hildenbrand
now you need -j to pass json format, but it's regained the
old 100M type format.
Memory leak fix from Pan Nengyuan
Virtiofs
fchmod seccomp fix from Max Reitz
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
# gpg: Signature made Wed 17 Jun 2020 19:34:58 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-20200617a:
migration: fix multifd_send_pages() next channel
docs/xbzrle: update 'cache miss rate' and 'encoding rate' to docs
monitor/hmp-cmds: improvements for the 'info migrate'
monitor/hmp-cmds: add 'goto end' to reduce duplicate code.
monitor/hmp-cmds: delete redundant Error check before invoke hmp_handle_error()
monitor/hmp-cmds: don't silently output when running 'migrate_set_downtime' fails
monitor/hmp-cmds: add units for migrate_parameters
tests/migration: fix unreachable path in stress test
tests/migration: mem leak fix
hmp: Make json format optional for qom-set
qom-hmp-cmds: fix a memleak in hmp_qom_get
virtiofsd: Whitelist fchmod
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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multifd_send_pages() loops around the available channels,
the next channel to use between two calls to multifd_send_pages() is stored
inside a local static variable, next_channel.
It works well, except if the number of channels decreases between two calls
to multifd_send_pages(). In this case, the loop can try to access the
data of a channel that doesn't exist anymore.
The problem can be triggered if we start a migration with a given number of
channels and then we cancel the migration to restart it with a lower number.
This ends generally with an error like:
qemu-system-ppc64: .../util/qemu-thread-posix.c:77: qemu_mutex_lock_impl: Assertion `mutex->initialized' failed.
This patch fixes the error by capping next_channel with the current number
of channels before using it.
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Message-Id: <20200617113154.593233-1-lvivier@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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Signed-off-by: Mao Zhongyi <maozhongyi@cmss.chinamobile.com>
Message-Id: <20200603080904.997083-9-maozhongyi@cmss.chinamobile.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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When running:
(qemu) info migrate
globals:
store-global-state: on
only-migratable: off
...
xbzrle transferred: 640892 kbytes
xbzrle pages: 16645936 pages
xbzrle cache miss: 1525426
xbzrle cache miss rate: 0.09
xbzrle encoding rate: 91.42
xbzrle overflow: 40896
...
compression pages: 377710 pages
compression busy: 0
compression busy rate: 0.00
compressed size: 463169457
compression rate: 3.33
Add units for 'xbzrle cache miss' and 'compressed size',
make it easier to read.
Suggested-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Mao Zhongyi <maozhongyi@cmss.chinamobile.com>
Message-Id: <20200603080904.997083-8-maozhongyi@cmss.chinamobile.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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Signed-off-by: Mao Zhongyi <maozhongyi@cmss.chinamobile.com>
Message-Id: <20200603080904.997083-7-maozhongyi@cmss.chinamobile.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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hmp_handle_error() does Error check internally.
Signed-off-by: Mao Zhongyi <maozhongyi@cmss.chinamobile.com>
Message-Id: <20200603080904.997083-6-maozhongyi@cmss.chinamobile.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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fails
Although 'migrate_set_downtime' has been deprecated and replaced
with 'migrate_set_parameter downtime_limit', it has not been
completely eliminated, possibly due to compatibility with older
versions. I think as long as this old parameter is running, we
should report appropriate message when something goes wrong, not
be silent.
before:
(qemu) migrate_set_downtime -1
(qemu)
after:
(qemu) migrate_set_downtime -1
Error: Parameter 'downtime_limit' expects an integer in the range of 0 to 2000 seconds
Signed-off-by: Mao Zhongyi <maozhongyi@cmss.chinamobile.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20200603080904.997083-5-maozhongyi@cmss.chinamobile.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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When running:
(qemu) info migrate_parameters
announce-initial: 50 ms
announce-max: 550 ms
announce-step: 100 ms
compress-wait-thread: on
...
max-bandwidth: 33554432 bytes/second
downtime-limit: 300 milliseconds
x-checkpoint-delay: 20000
...
xbzrle-cache-size: 67108864
add units for the parameters 'x-checkpoint-delay' and
'xbzrle-cache-size', it's easier to read, also move
milliseconds to ms to keep the same style.
Signed-off-by: Mao Zhongyi <maozhongyi@cmss.chinamobile.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Message-Id: <20200603080904.997083-4-maozhongyi@cmss.chinamobile.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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If stressone() or stress() exits it's because of a failure
because the test runs forever otherwise, so change stressone
and stress type to void to make the exit_failure() as the exit
function of main().
Signed-off-by: Mao Zhongyi <maozhongyi@cmss.chinamobile.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20200603080904.997083-3-maozhongyi@cmss.chinamobile.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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‘data’ has the possibility of memory leaks， so use the
glib macros g_autofree recommended by CODING_STYLE.rst
to automatically release the memory that returned from
g_malloc().
Signed-off-by: Mao Zhongyi <maozhongyi@cmss.chinamobile.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20200603080904.997083-2-maozhongyi@cmss.chinamobile.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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Commit 7d2ef6dcc1cf ("hmp: Simplify qom-set") switched to the json
parser, making it possible to specify complex types. However, with this
change it is no longer possible to specify proper sizes (e.g., 2G, 128M),
turning the interface harder to use for properties that consume sizes.
Let's switch back to the previous handling and allow to specify passing
json via the "-j" parameter.
Cc: Philippe Mathieu-Daudé <philmd@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Daniel P. Berrangé" <berrange@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20200610075153.33892-1-david@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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'obj' forgot to free at the end of hmp_qom_get(). Fix that.
The leak stack:
Direct leak of 40 byte(s) in 1 object(s) allocated from:
#0 0x7f4e3a779ae8 in __interceptor_malloc (/lib64/libasan.so.5+0xefae8)
#1 0x7f4e398f91d5 in g_malloc (/lib64/libglib-2.0.so.0+0x531d5)
#2 0x55c9fd9a3999 in qstring_from_substr /build/qemu/src/qobject/qstring.c:45
#3 0x55c9fd894bd3 in qobject_output_type_str /build/qemu/src/qapi/qobject-output-visitor.c:175
#4 0x55c9fd894bd3 in qobject_output_type_str /build/qemu/src/qapi/qobject-output-visitor.c:168
#5 0x55c9fd88b34d in visit_type_str /build/qemu/src/qapi/qapi-visit-core.c:308
#6 0x55c9fd59aa6b in property_get_str /build/qemu/src/qom/object.c:2064
#7 0x55c9fd5adb8a in object_property_get_qobject /build/qemu/src/qom/qom-qobject.c:38
#8 0x55c9fd4a029d in hmp_qom_get /build/qemu/src/qom/qom-hmp-cmds.c:66
Fixes: 89cf4fe34f4
Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Pan Nengyuan <pannengyuan@huawei.com>
Message-Id: <20200603070338.7922-1-pannengyuan@huawei.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Tested-by: Li Qiang <liq3ea@gmail.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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lo_setattr() invokes fchmod() in a rarely used code path, so it should
be whitelisted or virtiofsd will crash with EBADSYS.
Said code path can be triggered for example as follows:
On the host, in the shared directory, create a file with the sticky bit
set and a security.capability xattr:
(1) # touch foo
(2) # chmod u+s foo
(3) # setcap '' foo
Then in the guest let some process truncate that file after it has
dropped all of its capabilities (at least CAP_FSETID):
int main(int argc, char *argv[])
{
capng_setpid(getpid());
capng_clear(CAPNG_SELECT_BOTH);
capng_updatev(CAPNG_ADD, CAPNG_PERMITTED | CAPNG_EFFECTIVE, 0);
capng_apply(CAPNG_SELECT_BOTH);
ftruncate(open(argv[1], O_RDWR), 0);
}
This will cause the guest kernel to drop the sticky bit (i.e. perform a
mode change) as part of the truncate (where FATTR_FH is set), and that
will cause virtiofsd to invoke fchmod() instead of fchmodat().
(A similar configuration exists further below with futimens() vs.
utimensat(), but the former is not a syscall but just a wrapper for the
latter, so no further whitelisting is required.)
Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=1842667
Reported-by: Qian Cai <caiqian@redhat.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20200608093111.14942-1-mreitz@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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Block layer patches:
- enhance handling of size-related BlockConf properties
- nvme: small fixes, refactoring and cleanups
- virtio-blk: On restart, process queued requests in the proper context
- icount: make dma reads deterministic
- iotests: Some fixes for rarely run cases
- .gitignore: Ignore storage-daemon files
- Minor code cleanups
# gpg: Signature made Wed 17 Jun 2020 15:47:19 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: (43 commits)
iotests: Add copyright line in qcow2.py
iotests/{190,291}: compat=0.10 is unsupported
iotests/229: data_file is unsupported
iotests/292: data_file is unsupported
iotests/041: Skip test_small_target for qed
iotests.py: Add skip_for_formats() decorator
block: lift blocksize property limit to 2 MiB
qdev-properties: add getter for size32 and blocksize
block: make BlockConf size props 32bit and accept size suffixes
qdev-properties: make blocksize accept size suffixes
qdev-properties: add size32 property type
qdev-properties: blocksize: use same limits in code and description
block: consolidate blocksize properties consistency checks
virtio-blk: store opt_io_size with correct size
.gitignore: Ignore storage-daemon files
hw/block/nvme: verify msix_init_exclusive_bar() return value
hw/block/nvme: add msix_qsize parameter
hw/block/nvme: Verify msix_vector_use() returned value
hw/block/nvme: factor out controller identify setup
hw/block/nvme: do cmb/pmr init as part of pci init
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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The file qcow2.py was originally contributed in 2012 by Kevin Wolf,
but was not given traditional boilerplate headers at the time. The
missing license was just rectified (commit 16306a7b39) using the
project-default GPLv2+, but as Vladimir is not at Red Hat, he did not
add a Copyright line. All earlier contributions have come from CC'd
authors, where all but Stefan used a Red Hat address at the time of
the contribution, and that copyright carries over to the split to
qcow2_format.py (d5262c7124).
CC: Kevin Wolf <kwolf@redhat.com>
CC: Stefan Hajnoczi <stefanha@redhat.com>
CC: Eduardo Habkost <ehabkost@redhat.com>
CC: Max Reitz <mreitz@redhat.com>
CC: Philippe Mathieu-Daudé <philmd@redhat.com>
CC: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200609205944.3549240-1-eblake@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Fixes: 5d72c68b49769c927e90b78af6d90f6a384b26ac
Fixes: cf2d1203dcfc2bf964453d83a2302231ce77f2dc
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20200617104822.27525-6-mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Fixes: d89ac3cf305b28c024a76805a84d75c0ee1e786f
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20200617104822.27525-5-mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Fixes: e4d7019e1a81c61de6a925c3ac5bb6e62ea21b29
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20200617104822.27525-4-mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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qed does not support shrinking images, so the test_small_target method
should be skipped to keep 041 passing.
Fixes: 16cea4ee1c8e5a69a058e76f426b2e17974d8d7d
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20200617104822.27525-3-mreitz@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Sometimes, we want to skip some test methods for certain formats. This
decorator allows that.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20200617104822.27525-2-mreitz@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Logical and physical block sizes in QEMU are limited to 32 KiB.
This appears unnecessarily tight, and we've seen bigger block sizes
handy at times.
Lift the limitation up to 2 MiB which appears to be good enough for
everybody, and matches the qcow2 cluster size limit.
Signed-off-by: Roman Kagan <rvkagan@yandex-team.ru>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200528225516.1676602-9-rvkagan@yandex-team.ru>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Add getter for size32, and use it for blocksize, too.
In its human-readable branch, it reports approximate size in
human-readable units next to the exact byte value, like the getter for
64bit size does.
Adjust the expected test output accordingly.
Signed-off-by: Roman Kagan <rvkagan@yandex-team.ru>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200528225516.1676602-8-rvkagan@yandex-team.ru>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Convert all size-related properties in BlockConf to 32bit. This will
accommodate bigger block sizes (in a followup patch). This also allows
to make them all accept size suffixes, either via DEFINE_PROP_BLOCKSIZE
or via DEFINE_PROP_SIZE32.
Also, since min_io_size is exposed to the guest by scsi and virtio-blk
devices as an uint16_t in units of logical blocks, introduce an
additional check in blkconf_blocksizes to prevent its silent truncation.
Signed-off-by: Roman Kagan <rvkagan@yandex-team.ru>
Message-Id: <20200528225516.1676602-7-rvkagan@yandex-team.ru>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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It appears convenient to be able to specify physical_block_size and
logical_block_size using common size suffixes.
Teach the blocksize property setter to interpret them. Also express the
upper and lower limits in the respective units.
Signed-off-by: Roman Kagan <rvkagan@yandex-team.ru>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200528225516.1676602-6-rvkagan@yandex-team.ru>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Introduce size32 property type which handles size suffixes (k, m, g)
just like size property, but is uint32_t rather than uint64_t. It's
going to be useful for properties that are byte sizes but are inherently
32bit, like BlkConf.opt_io_size or .discard_granularity (they are
switched to this new property type in a followup commit).
The getter for size32 is left out for a separate patch as its benefit is
less obvious, and it affects test output; for now the regular uint32
getter is used.
Signed-off-by: Roman Kagan <rvkagan@yandex-team.ru>
Message-Id: <20200528225516.1676602-5-rvkagan@yandex-team.ru>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Make it easier (more visible) to maintain the limits on the blocksize
properties in sync with the respective description, by using macros both
in the code and in the description.
Signed-off-by: Roman Kagan <rvkagan@yandex-team.ru>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200528225516.1676602-4-rvkagan@yandex-team.ru>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Several block device properties related to blocksize configuration must
be in certain relationship WRT each other: physical block must be no
smaller than logical block; min_io_size, opt_io_size, and
discard_granularity must be a multiple of a logical block.
To ensure these requirements are met, add corresponding consistency
checks to blkconf_blocksizes, adjusting its signature to communicate
possible error to the caller. Also remove the now redundant consistency
checks from the specific devices.
Signed-off-by: Roman Kagan <rvkagan@yandex-team.ru>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Message-Id: <20200528225516.1676602-3-rvkagan@yandex-team.ru>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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The width of opt_io_size in virtio_blk_config is 32bit. However, it's
written with virtio_stw_p; this may result in value truncation, and on
big-endian systems with legacy virtio in completely bogus readings in
the guest.
Use the appropriate accessor to store it.
Signed-off-by: Roman Kagan <rvkagan@yandex-team.ru>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200528225516.1676602-2-rvkagan@yandex-team.ru>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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The files are generated.
Fixes: 2af282ec51a ("qemu-storage-daemon: Add --monitor option")
Cc: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
Message-Id: <20200612105830.17082-1-r.bolshakov@yadro.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Pass an Error to msix_init_exclusive_bar() and check it.
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Message-Id: <20200609190333.59390-23-its@irrelevant.dk>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Decouple the requested maximum number of ioqpairs (param max_ioqpairs)
from the number of MSI-X interrupt vectors by introducing a new
msix_qsize parameter and initialize MSI-X with that. This allows
emulating a device that has fewer vectors than I/O queue pairs and also
allows more than 2048 queue pairs. To keep the device behaving as
previously, use a msix_qsize default of 65 (default max_ioqpairs + 1).
This decoupling was actually suggested by Maxim some time ago in a
slightly different context, so adding a Suggested-by.
Suggested-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Message-Id: <20200609190333.59390-22-its@irrelevant.dk>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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msix_vector_use() returns -EINVAL on error. Assert it won't.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200609190333.59390-21-its@irrelevant.dk>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Message-Id: <20200609190333.59390-20-its@irrelevant.dk>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200609190333.59390-19-its@irrelevant.dk>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200609190333.59390-18-its@irrelevant.dk>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Message-Id: <20200609190333.59390-17-its@irrelevant.dk>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Message-Id: <20200609190333.59390-16-its@irrelevant.dk>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Message-Id: <20200609190333.59390-15-its@irrelevant.dk>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Introduce some small helpers to make the next patches easier on the eye.
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Message-Id: <20200609190333.59390-14-its@irrelevant.dk>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Message-Id: <20200609190333.59390-13-its@irrelevant.dk>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Message-Id: <20200609190333.59390-12-its@irrelevant.dk>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Message-Id: <20200609190333.59390-11-its@irrelevant.dk>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Message-Id: <20200609190333.59390-10-its@irrelevant.dk>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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The num_queues device paramater has a slightly confusing meaning because
it accounts for the admin queue pair which is not really optional.
Secondly, it is really a maximum value of queues allowed.
Add a new max_ioqpairs parameter that only accounts for I/O queue pairs,
but keep num_queues for compatibility.
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Message-Id: <20200609190333.59390-9-its@irrelevant.dk>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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First, since the device only supports MSI-X or pin-based interrupt, if
MSI-X is not enabled, it should not accept interrupt vectors different
from 0 when creating completion queues.
Secondly, the irq_status NvmeCtrl member is meant to be compared to the
INTMS register, so it should only be 32 bits wide. And it is really only
useful when used with multi-message MSI.
Third, since we do not force a 1-to-1 correspondence between cqid and
interrupt vector, the irq_status register should not have bits set
according to cqid, but according to the associated interrupt vector.
Fix these issues, but keep irq_status available so we can easily support
multi-message MSI down the line.
Fixes: 5e9aa92eb1a5 ("hw/block: Fix pin-based interrupt behaviour of NVMe")
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Message-Id: <20200609190333.59390-8-its@irrelevant.dk>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Pull the controller memory buffer check to its own function. The check
will be used on its own in later patches.
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Message-Id: <20200609190333.59390-7-its@irrelevant.dk>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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