Commit Graph

6391 Commits

Author SHA1 Message Date
Alexander Bulekov
8efebd4e01 fuzz: Add support for logging QTest commands
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Message-Id: <20200529221450.26673-3-alxndr@bu.edu>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-06-15 18:26:46 +02:00
Alexander Bulekov
d92e1b6d54 fuzz: skip QTest serialization
The QTest server usually parses ASCII commands from clients. Since we
fuzz within the QEMU process, skip the QTest serialization and server
for most QTest commands. Leave the option to use the ASCII protocol, to
generate readable traces for crash reproducers.

Inspired-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Message-Id: <20200529221450.26673-2-alxndr@bu.edu>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-06-15 18:26:46 +02:00
Eric Auger
55b9757c7e bios-tables-test: Fix "-tpmdev: invalid option"
When configure is run with "--disable-tpm", the bios-tables-test
q35/tis test fails with "-tpmdev: invalid option".

Skip the test if CONFIG_TPM is unset.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reported-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200615135051.2213-1-eric.auger@redhat.com>
Tested-by: Stefan Berger <stefanb@linux.ibm.com>
Fixes: 5da7c35e25 ("bios-tables-test: Add Q35/TPM-TIS test")
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-06-15 18:26:46 +02:00
Alexey Krasikov
9250036221 test-crypto-secret: add 'secret_keyring' object tests.
Add tests:
  test_secret_keyring_good;
  test_secret_keyring_revoked_key;
  test_secret_keyring_expired_key;
  test_secret_keyring_bad_serial_key;
  test_secret_keyring_bad_key_access_right;

Added tests require libkeyutils. The absence of this library is not
critical, because these tests will be skipped in this case.

Signed-off-by: Alexey Krasikov <alex-krasikov@yandex-team.ru>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2020-06-15 11:33:51 +01:00
Peter Maydell
7d3660e798 * Miscellaneous fixes and feature enablement (many)
* SEV refactoring (David)
 * Hyper-V initial support (Jon)
 * i386 TCG fixes (x87 and SSE, Joseph)
 * vmport cleanup and improvements (Philippe, Liran)
 * Use-after-free with vCPU hot-unplug (Nengyuan)
 * run-coverity-scan improvements (myself)
 * Record/replay fixes (Pavel)
 * -machine kernel_irqchip=split improvements for INTx (Peter)
 * Code cleanups (Philippe)
 * Crash and security fixes (PJP)
 * HVF cleanups (Roman)
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* Miscellaneous fixes and feature enablement (many)
* SEV refactoring (David)
* Hyper-V initial support (Jon)
* i386 TCG fixes (x87 and SSE, Joseph)
* vmport cleanup and improvements (Philippe, Liran)
* Use-after-free with vCPU hot-unplug (Nengyuan)
* run-coverity-scan improvements (myself)
* Record/replay fixes (Pavel)
* -machine kernel_irqchip=split improvements for INTx (Peter)
* Code cleanups (Philippe)
* Crash and security fixes (PJP)
* HVF cleanups (Roman)

# gpg: Signature made Fri 12 Jun 2020 16:57:04 BST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream: (116 commits)
  target/i386: Remove obsolete TODO file
  stubs: move Xen stubs to accel/
  replay: fix replay shutdown for console mode
  exec/cpu-common: Move MUSB specific typedefs to 'hw/usb/hcd-musb.h'
  hw/usb: Move device-specific declarations to new 'hcd-musb.h' header
  exec/memory: Remove unused MemoryRegionMmio type
  checkpatch: reversed logic with acpi test checks
  target/i386: sev: Unify SEVState and SevGuestState
  target/i386: sev: Remove redundant handle field
  target/i386: sev: Remove redundant policy field
  target/i386: sev: Remove redundant cbitpos and reduced_phys_bits fields
  target/i386: sev: Partial cleanup to sev_state global
  target/i386: sev: Embed SEVState in SevGuestState
  target/i386: sev: Rename QSevGuestInfo
  target/i386: sev: Move local structure definitions into .c file
  target/i386: sev: Remove unused QSevGuestInfoClass
  xen: fix build without pci passthrough
  i386: hvf: Drop HVFX86EmulatorState
  i386: hvf: Move mmio_buf into CPUX86State
  i386: hvf: Move lazy_flags into CPUX86State
  ...

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

# Conflicts:
#	hw/i386/acpi-build.c
2020-06-12 23:06:22 +01:00
Joseph Myers
bc921b2711 target/i386: correct fix for pcmpxstrx substring search
This corrects a bug introduced in my previous fix for SSE4.2 pcmpestri
/ pcmpestrm / pcmpistri / pcmpistrm substring search, commit
ae35eea7e4.

That commit fixed a bug that showed up in four GCC tests with one libc
implementation.  The tests in question generate random inputs to the
intrinsics and compare results to a C implementation, but they only
test 1024 possible random inputs, and when the tests use the cases of
those instructions that work with word rather than byte inputs, it's
easy to have problematic cases that show up much less frequently than
that.  Thus, testing with a different libc implementation, and so a
different random number generator, showed up a problem with the
previous patch.

When investigating the previous test failures, I found the description
of these instructions in the Intel manuals (starting from computing a
16x16 or 8x8 set of comparison results) confusing and hard to match up
with the more optimized implementation in QEMU, and referred to AMD
manuals which described the instructions in a different way.  Those
AMD descriptions are very explicit that the whole of the string being
searched for must be found in the other operand, not running off the
end of that operand; they say "If the prototype and the SUT are equal
in length, the two strings must be identical for the comparison to be
TRUE.".  However, that statement is incorrect.

In my previous commit message, I noted:

  The operation in this case is a search for a string (argument d to
  the helper) in another string (argument s to the helper); if a copy
  of d at a particular position would run off the end of s, the
  resulting output bit should be 0 whether or not the strings match in
  the region where they overlap, but the QEMU implementation was
  wrongly comparing only up to the point where s ends and counting it
  as a match if an initial segment of d matched a terminal segment of
  s.  Here, "run off the end of s" means that some byte of d would
  overlap some byte outside of s; thus, if d has zero length, it is
  considered to match everywhere, including after the end of s.

The description "some byte of d would overlap some byte outside of s"
is accurate only when understood to refer to overlapping some byte
*within the 16-byte operand* but at or after the zero terminator; it
is valid to run over the end of s if the end of s is the end of the
16-byte operand.  So the fix in the previous patch for the case of d
being empty was correct, but the other part of that patch was not
correct (as it never allowed partial matches even at the end of the
16-byte operand).  Nor was the code before the previous patch correct
for the case of d nonempty, as it would always have allowed partial
matches at the end of s.

Fix with a partial revert of my previous change, combined with
inserting a check for the special case of s having maximum length to
determine where it is necessary to check for matches.

In the added test, test 1 is for the case of empty strings, which
failed before my 2017 patch, test 2 is for the bug introduced by my
2017 patch and test 3 deals with the case where a match of an initial
segment at the end of the string is not valid when the string ends
before the end of the 16-byte operand (that is, the case that would be
broken by a simple revert of the non-empty-string part of my 2017
patch).

Signed-off-by: Joseph Myers <joseph@codesourcery.com>
Message-Id: <alpine.DEB.2.21.2006121344290.9881@digraph.polyomino.org.uk>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-12 11:10:39 -04:00
Peter Maydell
9e3903136d virtio,acpi,pci: features, fixes, cleanups, tests
Max slots negotiation for vhost-user.
 Free page reporting for balloon.
 Partial TPM2 ACPI support for ARM.
 Support for NVDIMMs having their own proximity domains.
 New vhost-user-vsock device.
 
 Fixes, cleanups in ACPI, PCI, virtio.
 New tests for TPM ACPI.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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 DInh/GRQMxtD0VvOxtq1BUV0tHk/qH4XyEohSyBOrIrH+ifnjds=
 =hh+M
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio,acpi,pci: features, fixes, cleanups, tests

Max slots negotiation for vhost-user.
Free page reporting for balloon.
Partial TPM2 ACPI support for ARM.
Support for NVDIMMs having their own proximity domains.
New vhost-user-vsock device.

Fixes, cleanups in ACPI, PCI, virtio.
New tests for TPM ACPI.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Fri 12 Jun 2020 15:18:04 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: (58 commits)
  virtio-pci: fix queue_enable write
  pci: Display PCI IRQ pin in "info pci"
  Fix parameter type in vhost migration log path
  acpi: ged: rename event memory region
  acpi: fadt: add hw-reduced sleep register support
  acpi: madt: skip pci override on pci-less systems.
  acpi: create acpi-common.c and move madt code
  acpi: make build_madt() more generic.
  virtio: add vhost-user-vsock-pci device
  virtio: add vhost-user-vsock base device
  vhost-vsock: add vhost-vsock-common abstraction
  hw/pci: Fix crash when running QEMU with "-nic model=rocker"
  libvhost-user: advertise vring features
  Lift max ram slots limit in libvhost-user
  Support individual region unmap in libvhost-user
  Support adding individual regions in libvhost-user
  Support ram slot configuration in libvhost-user
  Refactor out libvhost-user fault generation logic
  Lift max memory slots limit imposed by vhost-user
  Transmit vhost-user memory regions individually
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-06-12 15:53:49 +01:00
Peter Maydell
9f1f264edb NBD patches for 2020-06-09
- fix iotest 194 race
 - fix CVE-2020-10761: server DoS from assertion on long NBD error messages
 -----BEGIN PGP SIGNATURE-----
 
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 =m3k2
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/ericb/tags/pull-nbd-2020-06-09-v2' into staging

NBD patches for 2020-06-09

- fix iotest 194 race
- fix CVE-2020-10761: server DoS from assertion on long NBD error messages

# gpg: Signature made Wed 10 Jun 2020 18:59:19 BST
# gpg:                using RSA key 71C2CC22B1C4602927D2F3AAA7A16B4A2527436A
# gpg: Good signature from "Eric Blake <eblake@redhat.com>" [full]
# gpg:                 aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>" [full]
# gpg:                 aka "[jpeg image of size 6874]" [full]
# Primary key fingerprint: 71C2 CC22 B1C4 6029 27D2  F3AA A7A1 6B4A 2527 436A

* remotes/ericb/tags/pull-nbd-2020-06-09-v2:
  block: Call attention to truncation of long NBD exports
  nbd/server: Avoid long error message assertions CVE-2020-10761
  iotests: 194: wait for migration completion on target too

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-06-11 21:19:29 +01:00
Peter Maydell
3666f68476 bitmaps patches for 2020-06-09
- documenation fix
 - various improvements to qcow2.py program used in iotests
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 =nhZT
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/ericb/tags/pull-bitmaps-2020-06-09' into staging

bitmaps patches for 2020-06-09

- documenation fix
- various improvements to qcow2.py program used in iotests

# gpg: Signature made Tue 09 Jun 2020 21:50:35 BST
# gpg:                using RSA key 71C2CC22B1C4602927D2F3AAA7A16B4A2527436A
# gpg: Good signature from "Eric Blake <eblake@redhat.com>" [full]
# gpg:                 aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>" [full]
# gpg:                 aka "[jpeg image of size 6874]" [full]
# Primary key fingerprint: 71C2 CC22 B1C4 6029 27D2  F3AA A7A1 6B4A 2527 436A

* remotes/ericb/tags/pull-bitmaps-2020-06-09:
  iotests: Fix 291 across more file systems
  qcow2_format.py: dump bitmaps header extension
  qcow2: QcowHeaderExtension print names for extension magics
  qcow2_format: refactor QcowHeaderExtension as a subclass of Qcow2Struct
  qcow2_format.py: QcowHeaderExtension: add dump method
  qcow2_format.py: add field-formatting class
  qcow2_format.py: separate generic functionality of structure classes
  qcow2_format.py: use strings to specify c-type of struct fields
  qcow2_format.py: use modern string formatting
  qcow2_format.py: use tuples instead of lists for fields
  qcow2_format.py: drop new line printing at end of dump()
  qcow2.py: move qcow2 format classes to separate module
  qcow2.py: add licensing blurb
  qcow2.py: python style fixes
  qemu-img: Fix doc typo for 'bitmap' subcommand

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-06-11 15:35:44 +01:00
Peter Maydell
c291aca63d Add non-overlapping groups
-----BEGIN PGP SIGNATURE-----
 
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 +FHszA==
 =Z5Ta
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/rth/tags/pull-dt-20200609' into staging

Add non-overlapping groups

# gpg: Signature made Tue 09 Jun 2020 17:22:17 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/tags/pull-dt-20200609:
  target/arm: Use a non-overlapping group for misc control
  decodetree: Drop check for less than 2 patterns in a group
  tests/decode: Test non-overlapping groups
  decodetree: Implement non-overlapping groups
  decodetree: Move semantic propagation into classes
  decodetree: Allow group covering the entire insn space
  decodetree: Split out MultiPattern from IncMultiPattern
  decodetree: Rename MultiPattern to IncMultiPattern
  decodetree: Tidy error_with_file

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-06-11 11:20:39 +01:00
Eric Blake
5c4fe018c0 nbd/server: Avoid long error message assertions CVE-2020-10761
Ever since commit 36683283 (v2.8), the server code asserts that error
strings sent to the client are well-formed per the protocol by not
exceeding the maximum string length of 4096.  At the time the server
first started sending error messages, the assertion could not be
triggered, because messages were completely under our control.
However, over the years, we have added latent scenarios where a client
could trigger the server to attempt an error message that would
include the client's information if it passed other checks first:

- requesting NBD_OPT_INFO/GO on an export name that is not present
  (commit 0cfae925 in v2.12 echoes the name)

- requesting NBD_OPT_LIST/SET_META_CONTEXT on an export name that is
  not present (commit e7b1948d in v2.12 echoes the name)

At the time, those were still safe because we flagged names larger
than 256 bytes with a different message; but that changed in commit
93676c88 (v4.2) when we raised the name limit to 4096 to match the NBD
string limit.  (That commit also failed to change the magic number
4096 in nbd_negotiate_send_rep_err to the just-introduced named
constant.)  So with that commit, long client names appended to server
text can now trigger the assertion, and thus be used as a denial of
service attack against a server.  As a mitigating factor, if the
server requires TLS, the client cannot trigger the problematic paths
unless it first supplies TLS credentials, and such trusted clients are
less likely to try to intentionally crash the server.

We may later want to further sanitize the user-supplied strings we
place into our error messages, such as scrubbing out control
characters, but that is less important to the CVE fix, so it can be a
later patch to the new nbd_sanitize_name.

Consideration was given to changing the assertion in
nbd_negotiate_send_rep_verr to instead merely log a server error and
truncate the message, to avoid leaving a latent path that could
trigger a future CVE DoS on any new error message.  However, this
merely complicates the code for something that is already (correctly)
flagging coding errors, and now that we are aware of the long message
pitfall, we are less likely to introduce such errors in the future,
which would make such error handling dead code.

Reported-by: Xueqiang Wei <xuwei@redhat.com>
CC: qemu-stable@nongnu.org
Fixes: https://bugzilla.redhat.com/1843684 CVE-2020-10761
Fixes: 93676c88d7
Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200610163741.3745251-2-eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
2020-06-10 12:58:59 -05:00
Joseph Myers
975af797f1 target/i386: fix IEEE x87 floating-point exception raising
Most x87 instruction implementations fail to raise the expected IEEE
floating-point exceptions because they do nothing to convert the
exception state from the softfloat machinery into the exception flags
in the x87 status word.  There is special-case handling of division to
raise the divide-by-zero exception, but that handling is itself buggy:
it raises the exception in inappropriate cases (inf / 0 and nan / 0,
which should not raise any exceptions, and 0 / 0, which should raise
"invalid" instead).

Fix this by converting the floating-point exceptions raised during an
operation by the softfloat machinery into exceptions in the x87 status
word (passing through the existing fpu_set_exception function for
handling related to trapping exceptions).  There are special cases
where some functions convert to integer internally but exceptions from
that conversion are not always correct exceptions for the instruction
to raise.

There might be scope for some simplification if the softfloat
exception state either could always be assumed to be in sync with the
state in the status word, or could always be ignored at the start of
each instruction and just set to 0 then; I haven't looked into that in
detail, and it might run into interactions with the various ways the
emulation does not yet handle trapping exceptions properly.  I think
the approach taken here, of saving the softfloat state, setting
exceptions there to 0 and then merging the old exceptions back in
after carrying out the operation, is conservatively safe.

Signed-off-by: Joseph Myers <joseph@codesourcery.com>
Message-Id: <alpine.DEB.2.21.2005152120280.3469@digraph.polyomino.org.uk>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:10:51 -04:00
Edgar E. Iglesias
bbad173c74 tests: machine-none-test: Enable MicroBlaze testing
Enable MicroBlaze testing.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-Id: <20200416193303.23674-2-edgar.iglesias@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:10:45 -04:00
Joseph Myers
c8af85b10c target/i386: fix fisttpl, fisttpll handling of out-of-range values
The fist / fistt family of instructions should all store the most
negative integer in the destination format when the rounded /
truncated integer result is out of range or the input is an invalid
encoding, infinity or NaN.  The fisttpl and fisttpll implementations
(32-bit and 64-bit results, truncate towards zero) failed to do this,
producing the most positive integer in some cases instead.  Fix this
by copying the code used to handle this issue for fistpl and fistpll,
adjusted to use the _round_to_zero functions for the actual
conversion (but without any other changes to that code).

Signed-off-by: Joseph Myers <joseph@codesourcery.com>
Message-Id: <alpine.DEB.2.21.2005152119160.3469@digraph.polyomino.org.uk>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:10:26 -04:00
Joseph Myers
374ff4d0a3 target/i386: fix fbstp handling of out-of-range values
The fbstp implementation fails to check for out-of-range and invalid
values, instead just taking the result of conversion to int64_t and
storing its sign and low 18 decimal digits.  Fix this by checking for
an out-of-range result (invalid conversions always result in INT64_MAX
or INT64_MIN from the softfloat code, which are large enough to be
considered as out-of-range by this code) and storing the packed BCD
indefinite encoding in that case.

Signed-off-by: Joseph Myers <joseph@codesourcery.com>
Message-Id: <alpine.DEB.2.21.2005132351110.11687@digraph.polyomino.org.uk>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:10:25 -04:00
Joseph Myers
18c53e1e73 target/i386: fix fbstp handling of negative zero
The fbstp implementation stores +0 when the rounded result should be
-0 because it compares an integer value with 0 to determine the sign.
Fix this by checking the sign bit of the operand instead.

Signed-off-by: Joseph Myers <joseph@codesourcery.com>
Message-Id: <alpine.DEB.2.21.2005132350230.11687@digraph.polyomino.org.uk>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:10:25 -04:00
Joseph Myers
34b9cc076f target/i386: fix fxam handling of invalid encodings
The fxam implementation does not check for invalid encodings, instead
treating them like NaN or normal numbers depending on the exponent.
Fix it to check that the high bit of the significand is set before
treating an encoding as NaN or normal, thus resulting in correct
handling (all of C0, C2 and C3 cleared) for invalid encodings.

Signed-off-by: Joseph Myers <joseph@codesourcery.com>
Message-Id: <alpine.DEB.2.21.2005132349311.11687@digraph.polyomino.org.uk>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:10:24 -04:00
Joseph Myers
80b4008c80 target/i386: fix floating-point load-constant rounding
The implementations of the fldl2t, fldl2e, fldpi, fldlg2 and fldln2
instructions load fixed constants independent of the rounding mode.
Fix them to load a value correctly rounded for the current rounding
mode (but always rounded to 64-bit precision independent of the
precision control, and without setting "inexact") as specified.

Signed-off-by: Joseph Myers <joseph@codesourcery.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <alpine.DEB.2.21.2005132348310.11687@digraph.polyomino.org.uk>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:10:24 -04:00
Joseph Myers
c535d68755 target/i386: fix fscale handling of rounding precision
The fscale implementation uses floatx80_scalbn for the final scaling
operation.  floatx80_scalbn ends up rounding the result using the
dynamic rounding precision configured for the FPU.  But only a limited
set of x87 floating-point instructions are supposed to respect the
dynamic rounding precision, and fscale is not in that set.  Fix the
implementation to save and restore the rounding precision around the
call to floatx80_scalbn.

Signed-off-by: Joseph Myers <joseph@codesourcery.com>
Message-Id: <alpine.DEB.2.21.2005070045430.18350@digraph.polyomino.org.uk>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:10:21 -04:00
Joseph Myers
c1c5fb8f90 target/i386: fix fscale handling of infinite exponents
The fscale implementation passes infinite exponents through to generic
code that rounds the exponent to a 32-bit integer before using
floatx80_scalbn.  In round-to-nearest mode, and ignoring exceptions,
this works in many cases.  But it fails to handle the special cases of
scaling 0 by a +Inf exponent or an infinity by a -Inf exponent, which
should produce a NaN, and because it produces an inexact result for
finite nonzero numbers being scaled, the result is sometimes incorrect
in other rounding modes.  Add appropriate handling of infinite
exponents to produce a NaN or an appropriately signed exact zero or
infinity as a result.

Signed-off-by: Joseph Myers <joseph@codesourcery.com>
Message-Id: <alpine.DEB.2.21.2005070045010.18350@digraph.polyomino.org.uk>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:10:18 -04:00
Joseph Myers
b40eec96b2 target/i386: fix fscale handling of invalid exponent encodings
The fscale implementation does not check for invalid encodings in the
exponent operand, thus treating them like INT_MIN (the value returned
for invalid encodings by floatx80_to_int32_round_to_zero).  Fix it to
treat them similarly to signaling NaN exponents, thus generating a
quiet NaN result.

Signed-off-by: Joseph Myers <joseph@codesourcery.com>
Message-Id: <alpine.DEB.2.21.2005070044190.18350@digraph.polyomino.org.uk>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:10:17 -04:00
Joseph Myers
0d48b43632 target/i386: fix fscale handling of signaling NaN
The implementation of the fscale instruction returns a NaN exponent
unchanged.  Fix it to return a quiet NaN when the provided exponent is
a signaling NaN.

Signed-off-by: Joseph Myers <joseph@codesourcery.com>
Message-Id: <alpine.DEB.2.21.2005070043330.18350@digraph.polyomino.org.uk>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:10:17 -04:00
Joseph Myers
c415f2c582 target/i386: implement special cases for fxtract
The implementation of the fxtract instruction treats all nonzero
operands as normal numbers, so yielding incorrect results for invalid
formats, infinities, NaNs and subnormal and pseudo-denormal operands.
Implement appropriate handling of all those cases.

Signed-off-by: Joseph Myers <joseph@codesourcery.com>
Acked-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <alpine.DEB.2.21.2005070042360.18350@digraph.polyomino.org.uk>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:10:16 -04:00
Philippe Mathieu-Daudé
78f8d4975c io/task: Move 'qom/object.h' header to source
We need "qom/object.h" to call object_ref()/object_unref(),
and to test the TYPE_DUMMY.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200504115656.6045-3-f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:09:37 -04:00
Paolo Bonzini
af509738f8 docker.py/build: support binary files in --extra-files
Read the --extra-files in binary mode to avoid encoding errors.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:09:31 -04:00
Paolo Bonzini
dfae628459 docker.py/build: support -t and -f arguments
The docker.py command line is subtly different from docker and podman's,
in that the tag and Dockerfile are passed via positional arguments.
Remove this gratuitous difference and just parse -f and -t.

-f was previously used by --extra-files, only keep the long option.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-06-10 12:09:31 -04:00
Vladimir Sementsov-Ogievskiy
93d487807b iotests: 194: wait for migration completion on target too
It is possible, that shutdown on target occurs earlier than migration
finish. In this case we crash in bdrv_release_dirty_bitmap_locked()
on assertion "assert(!bdrv_dirty_bitmap_busy(bitmap));" as we do have
busy bitmap, as bitmap migration is ongoing.

We'll fix bitmap migration to gracefully cancel on early shutdown soon.
Now let's fix iotest 194 to wait migration completion before shutdown.

Note that in this test dest_vm.shutdown() is called implicitly, as vms
used as context-providers, see __exit__() method of QEMUMachine class.

Actually, not waiting migration finish is a wrong thing, but the test
started to crash after commit ae00aa2398
"iotests: 194: test also migration of dirty bitmap", which added dirty
bitmaps here. So, Fixes: tag won't hurt.

Fixes: ae00aa2398
Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: grammar tweak]
Message-Id: <20200604083341.26978-1-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
2020-06-09 17:05:50 -05:00
Eric Blake
adf92f4645 iotests: Fix 291 across more file systems
Depending on the granularity of holes and amount of metadata consumed
by a file, the 'disk size:' number of 'qemu-img info' is not reliable.
Adjust our test to use a different set of filters to avoid spurious
failures.

Reported-by: Kevin Wolf <kwolf@redhat.com>
Fixes: cf2d1203dc
Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200608195629.3299649-1-eblake@redhat.com>
Acked-by: Kevin Wolf <kwolf@redhat.com>
[eblake: fix merge conflict]
Signed-off-by: Eric Blake <eblake@redhat.com>
2020-06-09 15:48:00 -05:00
Vladimir Sementsov-Ogievskiy
820c6bee53 qcow2_format.py: dump bitmaps header extension
Add class for bitmap extension and dump its fields. Further work is to
dump bitmap directory.

Test new functionality inside 291 iotest.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Message-Id: <20200606081806.23897-14-vsementsov@virtuozzo.com>
[eblake: fix iotest output]
Signed-off-by: Eric Blake <eblake@redhat.com>
2020-06-09 15:47:10 -05:00
Vladimir Sementsov-Ogievskiy
aef87784f9 qcow2: QcowHeaderExtension print names for extension magics
Suggested-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20200606081806.23897-13-vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
2020-06-09 15:47:10 -05:00
Vladimir Sementsov-Ogievskiy
a9e750e1ce qcow2_format: refactor QcowHeaderExtension as a subclass of Qcow2Struct
Only two fields we can parse by generic code, but that is better than
nothing. Keep further refactoring of variable-length fields for another
day.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Message-Id: <20200606081806.23897-12-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
2020-06-09 15:47:09 -05:00
Vladimir Sementsov-Ogievskiy
0931fcc7be qcow2_format.py: QcowHeaderExtension: add dump method
Obviously, for-loop body in dump_extensions should be the dump method
of extension.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Message-Id: <20200606081806.23897-11-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
2020-06-09 15:47:09 -05:00
Vladimir Sementsov-Ogievskiy
860543f055 qcow2_format.py: add field-formatting class
Allow formatter class in structure definition instead of hacking with
'mask'. This will simplify further introduction of new formatters.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Message-Id: <20200606081806.23897-10-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
2020-06-09 15:47:09 -05:00
Vladimir Sementsov-Ogievskiy
0903e3b371 qcow2_format.py: separate generic functionality of structure classes
We are going to introduce more Qcow2 structure types, defined like
QcowHeader. Move generic functionality into base class to be reused for
further structure classes.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Message-Id: <20200606081806.23897-9-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
2020-06-09 15:47:09 -05:00
Vladimir Sementsov-Ogievskiy
5432a0db52 qcow2_format.py: use strings to specify c-type of struct fields
We are going to move field-parsing to super-class, this will be simpler
with simple string specifiers instead of variables.

For some reason, python doesn't allow the definition of ctypes variable
in the class alongside fields: it would not be available then for use
by the 'for' operator. Don't worry: ctypes will be moved to metaclass
soon.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Message-Id: <20200606081806.23897-8-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
2020-06-09 15:47:09 -05:00
Vladimir Sementsov-Ogievskiy
621ca4988a qcow2_format.py: use modern string formatting
Use .format and f-strings instead of old %style. Also, the file uses
both '' and "" quotes, for consistency let's use '', except for cases
when we need '' inside the string (use "" to avoid extra escaping).

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Message-Id: <20200606081806.23897-7-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
2020-06-09 15:47:09 -05:00
Vladimir Sementsov-Ogievskiy
b2f1415444 qcow2_format.py: use tuples instead of lists for fields
No need in lists: it's a constant variable.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Message-Id: <20200606081806.23897-6-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
2020-06-09 15:47:09 -05:00
Vladimir Sementsov-Ogievskiy
eeafed5f6e qcow2_format.py: drop new line printing at end of dump()
This will simplify further conversion. To compensate, print this empty
line directly in cmd_dump_header().

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Message-Id: <20200606081806.23897-5-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
2020-06-09 15:47:09 -05:00
Vladimir Sementsov-Ogievskiy
d5262c7124 qcow2.py: move qcow2 format classes to separate module
We are going to enhance qcow2 format parsing by adding more structure
classes. Let's split format parsing from utility code.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20200606081806.23897-4-vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
2020-06-09 15:47:09 -05:00
Vladimir Sementsov-Ogievskiy
16306a7b39 qcow2.py: add licensing blurb
Add classic heading, which is missing here. Keep copyright place empty,
prior authors may add a line later.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20200606081806.23897-3-vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: tweak commit message]
Signed-off-by: Eric Blake <eblake@redhat.com>
2020-06-09 15:47:09 -05:00
Vladimir Sementsov-Ogievskiy
02756054e1 qcow2.py: python style fixes
Fix flake8 complaints.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20200606081806.23897-2-vsementsov@virtuozzo.com>
Tested-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: commit message improved]
Signed-off-by: Eric Blake <eblake@redhat.com>
2020-06-09 15:47:09 -05:00
Eric Auger
cae98d8c86 bios-tables-test: Generate reference tables for Q35/TPM-TIS
TPM2, DSDT tables were generated using
tests/data/acpi/rebuild-expected-aml.sh

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-Id: <20200609125409.24179-6-eric.auger@redhat.com>

Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-06-09 14:18:04 -04:00
Eric Auger
5da7c35e25 bios-tables-test: Add Q35/TPM-TIS test
Test tables specific to the TPM-TIS instantiation.
The TPM2 is added in the framework. Also the DSDT
is updated with the TPM. The new function should be
be usable for CRB as well, later one.

Signed-off-by: Eric Auger <eric.auger@redhat.com>

Message-Id: <20200609125409.24179-5-eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-06-09 14:18:04 -04:00
Eric Auger
c7504b9f32 tests: tpm-emu: Remove assert on TPM2_ST_NO_SESSIONS
bios-tables-test executes SeaBIOS. Indeed FW is needed to
fetch tables from QEMU and put them into the guest RAM. Also
the FW patches cross table pointers. At some point, SeaBIOS
ends up calling the TPM2_CC_HierarchyControl command with
TPM2_ST_SESSIONS tag, most probably steming from
tpm_set_failure/tpm20_hierarchycontrol SeaBIOS call path.
This causes an assert() in the qtest tpm emulation code.

As the goal here is not to boot SeaBIOS completely but just
let it grab the ACPI tables and consolidate them, let's just
remove the assert().

Signed-off-by: Eric Auger <eric.auger@redhat.com>

Message-Id: <20200609125409.24179-4-eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-06-09 14:18:04 -04:00
Eric Auger
6d6d1a23fc tests/acpi: Add void tables for Q35/TPM-TIS bios-tables-test
Add placeholders for TPM and DSDT reference tables for
Q35 TPM-TIS tests and ignore them for the time being.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>

Message-Id: <20200609125409.24179-3-eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-06-09 14:18:04 -04:00
Eric Auger
266345a867 test/tpm-emu: include sockets and channel headers in tpm-emu header
Include sockets and channel headers to that the header is
self-contained.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-Id: <20200609125409.24179-2-eric.auger@redhat.com>
2020-06-09 14:18:04 -04:00
Michael S. Tsirkin
bab16ab330 tests/acpi: update DSDT expected files
Update DSDT after CRS changes and _STA methods dropped.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-06-09 12:46:45 -04:00
Gerd Hoffmann
9b20a3365d qtest: allow DSDT acpi table changes
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20200515150421.25479-2-kraxel@redhat.com>
2020-06-09 12:46:45 -04:00
Vishal Verma
8a49b30034 tests/acpi: update expected SRAT files
Update expected SRAT files for the change to account for NVDIMM NUMA
nodes in the SRAT.

AML diffs:

tests/data/acpi/pc/SRAT.dimmpxm:
Message-Id: <20200606000911.9896-4-vishal.l.verma@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-06-09 12:46:45 -04:00
Richard Henderson
fe079aa13d decodetree: Drop check for less than 2 patterns in a group
While it makes little sense for the end product to have a group
containing only a single pattern, avoiding this case within an
incremental patch set is troublesome.

Because this is expected to be a transient condition, do not
bother "optimizing" this case, e.g. by folding away the group.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-06-09 09:19:48 -07:00
Vishal Verma
acc5c98ddd diffs-allowed: add the SRAT AML to diffs-allowed
In anticipation of a change to the SRAT generation in qemu, add the AML
file to diffs-allowed.

Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
Message-Id: <20200606000911.9896-2-vishal.l.verma@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-06-09 11:17:59 -04:00
Richard Henderson
33c0f25bfd tests/decode: Test non-overlapping groups
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-06-08 11:09:48 -07:00
Richard Henderson
b44b3449a0 decodetree: Allow group covering the entire insn space
This is an edge case for sure, but the logic that disallowed
this case was faulty.  Further, a few fixes scattered about
can allow this to work.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-06-08 10:36:47 -07:00
Philippe Mathieu-Daudé
e661e9580c tests/vm: Remove flex/bison packages
QEMU does not use flex/bison packages.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Claudio Fontana <cfontana@suse.de>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20200515163029.12917-3-philmd@redhat.com>
2020-06-08 17:04:19 +01:00
Philippe Mathieu-Daudé
c6dd82e8a6 tests/docker: Remove flex/bison packages
QEMU does not use flex/bison packages.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Claudio Fontana <cfontana@suse.de>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20200515163029.12917-2-philmd@redhat.com>
2020-06-08 17:04:19 +01:00
Alex Bennée
b6771210b5 tests/tcg: add simple commpage test case
The COMMPAGE are a number of kernel provided user-space routines for
32 bit ARM systems. Add a basic series of smoke tests to ensure it is
working as it should.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200605154929.26910-14-alex.bennee@linaro.org>
2020-06-08 17:04:19 +01:00
Paolo Bonzini
a97098844b docker: update Ubuntu to 20.04
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20200604231716.11354-1-pbonzini@redhat.com>
Message-Id: <20200605154929.26910-10-alex.bennee@linaro.org>
2020-06-08 17:04:19 +01:00
Alex Bennée
e035e6ffed tests/docker: fix pre-requisite for debian-tricore-cross
Reported-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20200605154929.26910-9-alex.bennee@linaro.org>
2020-06-08 17:04:19 +01:00
Alex Bennée
4e62bfa9ee tests/plugin: correctly honour io_count
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200605154929.26910-4-alex.bennee@linaro.org>
2020-06-08 16:59:31 +01:00
Peter Maydell
49ee115552 linux-user pull request 20200605-v2
Implement F_OFD_ fcntl() command, /proc/cpuinfo for hppa
 Fix socket(), prnctl() error codes, underflow in target_mremap,
     epoll_create() strace, oldumount for alpha
 User-mode build dependencies improvement
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Merge remote-tracking branch 'remotes/vivier2/tags/linux-user-for-5.1-pull-request' into staging

linux-user pull request 20200605-v2

Implement F_OFD_ fcntl() command, /proc/cpuinfo for hppa
Fix socket(), prnctl() error codes, underflow in target_mremap,
    epoll_create() strace, oldumount for alpha
User-mode build dependencies improvement

# gpg: Signature made Sat 06 Jun 2020 14:15:36 BST
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/vivier2/tags/linux-user-for-5.1-pull-request:
  stubs: Restrict ui/win32-kbd-hook to system-mode
  hw/core: Restrict CpuClass::get_crash_info() to system-mode
  target/s390x: Restrict CpuClass::get_crash_info() to system-mode
  target/i386: Restrict CpuClass::get_crash_info() to system-mode
  arch_init: Remove unused 'qapi-commands-misc.h' include
  exec: Assert CPU migration is not used on user-only build
  target/riscv/cpu: Restrict CPU migration to system-mode
  stubs/Makefile: Reduce the user-mode object list
  util/Makefile: Reduce the user-mode object list
  tests/Makefile: Restrict some softmmu-only tests
  tests/Makefile: Only display TCG-related tests when TCG is available
  configure: Avoid building TCG when not needed
  Makefile: Only build virtiofsd if system-mode is enabled
  linux-user: implement OFD locks
  linux-user/mmap.c: fix integer underflow in target_mremap
  linux-user/strace.list: fix epoll_create{,1} -strace output
  linux-user: Add support for /proc/cpuinfo on hppa platform
  linux-user: return target error codes for socket() and prctl()
  linux-user, alpha: fix oldumount syscall

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-06-08 11:04:57 +01:00
Philippe Mathieu-Daudé
37914f603f tests/Makefile: Restrict some softmmu-only tests
In the next commit we are going to remove some objects from the
util-obj-y variable (objects which are not used by user-mode,
when configured with --disable-system).
Then some system-mode tests are going to fail, due to the missing
objects:

  $ make check-unit -k
    LINK    tests/test-iov
  /usr/bin/ld: tests/test-iov.o: in function `iov_from_buf':
  include/qemu/iov.h:49: undefined reference to `iov_from_buf_full'
  make: *** [rules.mak:124: tests/test-iov] Error 1
    LINK    tests/test-timed-average
  /usr/bin/ld: tests/test-timed-average.o: in function `account':
  tests/test-timed-average.c:27: undefined reference to `timed_average_account'
  make: *** [rules.mak:124: tests/test-timed-average] Error 1
    LINK    tests/test-util-filemonitor
  /usr/bin/ld: tests/test-util-filemonitor.o: in function `qemu_file_monitor_test_event_loop':
  tests/test-util-filemonitor.c:83: undefined reference to `main_loop_wait'
  make: *** [rules.mak:124: tests/test-util-filemonitor] Error 1
    LINK    tests/test-util-sockets
  /usr/bin/ld: tests/test-util-sockets.o: in function `test_socket_fd_pass_name_good':
  tests/test-util-sockets.c:91: undefined reference to `socket_connect'
  make: *** [rules.mak:124: tests/test-util-sockets] Error 1
    LINK    tests/test-base64
  /usr/bin/ld: tests/test-base64.o: in function `test_base64_good':
  tests/test-base64.c:35: undefined reference to `qbase64_decode'
  collect2: error: ld returned 1 exit status
  make: *** [rules.mak:124: tests/test-base64] Error 1
    LINK    tests/test-bufferiszero
  /usr/bin/ld: tests/test-bufferiszero.o: in function `test_1':
  tests/test-bufferiszero.c:31: undefined reference to `buffer_is_zero'
  make: *** [rules.mak:124: tests/test-bufferiszero] Error 1
  make: Target 'check-unit' not remade because of errors.

Instead, restrict these tests to system-mode, by using the
$(CONFIG_SOFTMMU) variable.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Tested-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200522172510.25784-5-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-06-05 21:23:22 +02:00
Philippe Mathieu-Daudé
ca6db46913 tests/Makefile: Only display TCG-related tests when TCG is available
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Tested-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200522172510.25784-4-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-06-05 21:23:22 +02:00
Paul Zimmerman
d02ded0870 raspi2 acceptance test: add test for dwc-hsotg (dwc2) USB host
Add a check for functional dwc-hsotg (dwc2) USB host emulation to
the Raspi 2 acceptance test

Signed-off-by: Paul Zimmerman <pauldzim@gmail.com>
Reviewed-by: Philippe Mathieu-Daude <f4bug@amsat.org>
Message-id: 20200520235349.21215-8-pauldzim@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-06-05 17:23:09 +01:00
Thomas Huth
27dfbafaa7 tests/acceptance: Add a boot test for the xlnx-versal-virt machine
As described by Edgar here:

 https://www.mail-archive.com/qemu-devel@nongnu.org/msg605124.html

we can use the Ubuntu kernel for testing the xlnx-versal-virt machine.
So let's add a boot test for this now.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 20200525141237.15243-1-thuth@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-06-05 17:23:09 +01:00
Alexander Bulekov
dfd5ddb568 fuzz: run the main-loop in fork-server process
Without this, the time since the last main-loop keeps increasing, as the
fuzzer runs. The forked children need to handle all the "past-due"
timers, slowing them down, over time. With this change, the
parent/fork-server process runs the main-loop, while waiting on the
child, ensuring that the timer events do not pile up, over time.

Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-id: 20200512030133.29896-5-alxndr@bu.edu
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-06-05 09:54:48 +01:00
Alexander Bulekov
3b113229c5 fuzz: add mangled object name to linker script
Previously, we relied on "FuzzerTracePC*(.bss*)" to place libfuzzer's
fuzzer::TPC object into our contiguous shared-memory region. This does
not work for some libfuzzer builds, so this addition identifies the
region by its mangled name: *(.bss._ZN6fuzzer3TPCE);

Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-id: 20200512030133.29896-4-alxndr@bu.edu
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-06-05 09:54:48 +01:00
Alexander Bulekov
6851803a46 fuzz: fix typo in i440fx-qtest-reboot arguments
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20200512030133.29896-3-alxndr@bu.edu
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-06-05 09:54:48 +01:00
Alexander Bulekov
7a071a96d3 fuzz: add datadir for oss-fuzz compatability
This allows us to keep pc-bios in executable_dir/pc-bios, rather than
executable_dir/../pc-bios, which is incompatible with oss-fuzz' file
structure.

Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-id: 20200512030133.29896-2-alxndr@bu.edu
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-06-05 09:54:48 +01:00
Alistair Francis
65a117da6e target/riscv: Remove the deprecated CPUs
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
2020-06-03 09:11:51 -07:00
Dr. David Alan Gilbert
89cf4fe34f hmp: Implement qom-get HMP command
This started off as Andreas Färber's implementation from
March 2015, but after feedback from Paolo and Markus it morphed into
using the json output which handles structs reasonably.

Use with qom-list to find the members of an object.

(qemu) qom-get /backend/console[0]/device/vga.rom[0] size
65536
(qemu) qom-get /machine smm
"auto"
(qemu) qom-get /machine rtc-time
{
    "tm_year": 120,
    "tm_sec": 51,
    "tm_hour": 9,
    "tm_min": 50,
    "tm_mon": 4,
    "tm_mday": 20
}
(qemu) qom-get /machine frob
Error: Property '.frob' not found

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20200520151108.160598-2-dgilbert@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-06-01 18:44:27 +01:00
Peter Maydell
7ea32024c6 MIPS queue for June 1st, 2020
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 Version: GnuPG v1
 
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Merge remote-tracking branch 'remotes/amarkovic/tags/mips-queue-june-01-2020' into staging

MIPS queue for June 1st, 2020

# gpg: Signature made Mon 01 Jun 2020 12:29:25 BST
# gpg:                using RSA key D4972A8967F75A65
# gpg: Good signature from "Aleksandar Markovic <amarkovic@wavecomp.com>" [full]
# Primary key fingerprint: 8526 FBF1 5DA3 811F 4A01  DD75 D497 2A89 67F7 5A65

* remotes/amarkovic/tags/mips-queue-june-01-2020:
  hw/mips: fuloong2e: Set preferred page size to 16KB
  target/mips: Support variable page size
  target/mips: Add more CP0 register for save/restore
  hw/mips: Add CPU IRQ3 delivery for KVM
  configure: Add KVM target support for MIPS64
  tests/Makefile: Fix description of "make check"

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-06-01 13:43:59 +01:00
Huacai Chen
9865f39db0 tests/Makefile: Fix description of "make check"
The description of "make check" is out-of-date, so fix it by adding
block and softfloat.

Reviewed-by: Claudio Fontana <cfontana@suse.de>
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Signed-off-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-Id: <1588674291-6486-1-git-send-email-chenhc@lemote.com>
2020-06-01 13:28:21 +02:00
Peter Maydell
b73f417aae Python queue:
* migration acceptance test fix
 * introduce pylintrc & flake8 config
 * various cleanups (Python3, style)
 * vm-test can set QEMU_LOCAL=1 to use locally built binaries
 * refactored BootLinuxBase & LinuxKernelTest acceptance classes
 
 https://gitlab.com/philmd/qemu/pipelines/151323210
 https://travis-ci.org/github/philmd/qemu/builds/693157969
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/philmd-gitlab/tags/python-next-20200531' into staging

Python queue:

* migration acceptance test fix
* introduce pylintrc & flake8 config
* various cleanups (Python3, style)
* vm-test can set QEMU_LOCAL=1 to use locally built binaries
* refactored BootLinuxBase & LinuxKernelTest acceptance classes

https://gitlab.com/philmd/qemu/pipelines/151323210
https://travis-ci.org/github/philmd/qemu/builds/693157969

# gpg: Signature made Sun 31 May 2020 17:37:35 BST
# gpg:                using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# 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

* remotes/philmd-gitlab/tags/python-next-20200531: (25 commits)
  tests/acceptance: refactor boot_linux to allow code reuse
  tests/acceptance: refactor boot_linux_console test to allow code reuse
  tests/acceptance: allow console interaction with specific VMs
  tests/acceptance/migration.py: Wait for both sides
  tests/migration/guestperf: Use Python 3 interpreter
  tests/vm: allow wait_ssh() to specify command
  tests/vm: Add ability to select QEMU from current build
  tests/vm: Pass --debug through for vm-boot-ssh
  python/qemu/qtest: Check before accessing _qtest
  python/qemu/qmp: assert sockfile is not None
  python/qemu/qmp: use True/False for non/blocking modes
  python/qemu: Adjust traceback typing
  python/qemu: fix socket.makefile() typing
  python/qemu: remove Python2 style super() calls
  python/qemu: delint; add flake8 config
  python/qemu: delint and add pylintrc
  python/qemu/machine: remove logging configuration
  python/qemu/machine: add kill() method
  python: remove more instances of sys.version_info
  scripts/qmp: Fix shebang and imports
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-31 21:49:07 +01:00
Pavel Dovgalyuk
1c80c87c8c tests/acceptance: refactor boot_linux to allow code reuse
This patch moves image downloading functions to the separate class to allow
reusing them from record/replay tests.

Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <159073593167.20809.17582679291556188984.stgit@pasha-ThinkPad-X280>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2020-05-31 18:25:31 +02:00
Pavel Dovgalyuk
12121c496f tests/acceptance: refactor boot_linux_console test to allow code reuse
This patch splits code in BootLinuxConsole class into two different
classes to allow reusing it by record/replay tests.

Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <159073588490.20809.13942096070255577558.stgit@pasha-ThinkPad-X280>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2020-05-31 18:25:31 +02:00
Pavel Dovgalyuk
a5ba86d423 tests/acceptance: allow console interaction with specific VMs
Console interaction in avocado scripts was possible only with single
default VM.
This patch modifies the function parameters to allow passing a specific
VM as a parameter to interact with it.

Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <159073587933.20809.5122618715976660635.stgit@pasha-ThinkPad-X280>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2020-05-31 18:25:31 +02:00
Dr. David Alan Gilbert
2c9120a223 tests/acceptance/migration.py: Wait for both sides
When the source finishes migration the destination will still be
receiving the data sent by the source, so it might not have quite
finished yet, so won't quite have reached 'completed'.
This lead to occasional asserts in the next few checks.

After the source has finished, check the destination as well.
(We can't just switch to checking the destination, because it doesn't
give a status until it has started receiving the migration).

Reported-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200528112404.121972-1-dgilbert@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2020-05-31 18:25:31 +02:00
Philippe Mathieu-Daudé
83389e22c5 tests/migration/guestperf: Use Python 3 interpreter
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20200512103238.7078-7-philmd@redhat.com>
2020-05-31 18:25:31 +02:00
Robert Foley
6ee982c9ab tests/vm: allow wait_ssh() to specify command
This allows for waiting for completion of arbitrary commands.

Signed-off-by: Robert Foley <robert.foley@linaro.org>
Reviewed-by: Peter Puhov <peter.puhov@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200529203458.1038-7-robert.foley@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2020-05-31 18:25:31 +02:00
Robert Foley
e56c45047b tests/vm: Add ability to select QEMU from current build
Added a new special variable QEMU_LOCAL=1, which
will indicate to take the QEMU binary from the current
build.

Signed-off-by: Robert Foley <robert.foley@linaro.org>
Reviewed-by: Peter Puhov <peter.puhov@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200529203458.1038-6-robert.foley@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2020-05-31 18:25:31 +02:00
Robert Foley
d5326a2437 tests/vm: Pass --debug through for vm-boot-ssh
This helps debug issues that occur during the boot sequence.

Signed-off-by: Robert Foley <robert.foley@linaro.org>
Reviewed-by: Peter Puhov <peter.puhov@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200529203458.1038-5-robert.foley@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2020-05-31 18:25:31 +02:00
John Snow
2d110c1149 python: remove more instances of sys.version_info
We guarantee 3.5+ everywhere; remove more dead checks. In general, try
to avoid using version checks and instead prefer to attempt behavior
when possible.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200514035230.25756-1-jsnow@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2020-05-31 18:25:07 +02:00
Peter Maydell
ce20db593f bitmaps patches for 2020-05-26
- fix non-blockdev migration of bitmaps when mirror job is in use
 - add bitmap sizing to 'qemu-img measure'
 - add 'qemu-img convert --bitmaps'
 -----BEGIN PGP SIGNATURE-----
 
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 =83Zm
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/ericb/tags/pull-bitmaps-2020-05-26-v3' into staging

bitmaps patches for 2020-05-26

- fix non-blockdev migration of bitmaps when mirror job is in use
- add bitmap sizing to 'qemu-img measure'
- add 'qemu-img convert --bitmaps'

# gpg: Signature made Thu 28 May 2020 19:16:47 BST
# gpg:                using RSA key 71C2CC22B1C4602927D2F3AAA7A16B4A2527436A
# gpg: Good signature from "Eric Blake <eblake@redhat.com>" [full]
# gpg:                 aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>" [full]
# gpg:                 aka "[jpeg image of size 6874]" [full]
# Primary key fingerprint: 71C2 CC22 B1C4 6029 27D2  F3AA A7A1 6B4A 2527 436A

* remotes/ericb/tags/pull-bitmaps-2020-05-26-v3:
  iotests: Add test 291 to for qemu-img bitmap coverage
  qemu-img: Add convert --bitmaps option
  qemu-img: Factor out code for merging bitmaps
  qcow2: Expose bitmaps' size during measure
  iotests: Fix test 178
  migration: forbid bitmap migration by generated node-name
  migration: add_bitmaps_to_list: check disk name once
  iotests: 194: test also migration of dirty bitmap
  migration: fix bitmaps pre-blockdev migration with mirror job
  block/dirty-bitmap: add bdrv_has_named_bitmaps helper
  migration: refactor init_dirty_bitmap_migration

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-29 19:25:54 +01:00
Peter Maydell
c86274bc2e Testing and one plugin fix:
- support alternates for genisoimage to test/vm
   - add clang++ to clang tests
   - fix record/replay smoke test
   - enable more softfloat tests
   - better detection of hung gdb
   - upgrade aarch64 tcg test x-compile to gcc-10
   - fix plugin cpu_index clash vs threads
 -----BEGIN PGP SIGNATURE-----
 
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 YN/3iOP2IUZqstGGV/PY50WI0RQEoQ==
 =2Krq
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/stsquad/tags/pull-testing-tcg-plugins-270520-1' into staging

Testing and one plugin fix:

  - support alternates for genisoimage to test/vm
  - add clang++ to clang tests
  - fix record/replay smoke test
  - enable more softfloat tests
  - better detection of hung gdb
  - upgrade aarch64 tcg test x-compile to gcc-10
  - fix plugin cpu_index clash vs threads

# gpg: Signature made Wed 27 May 2020 14:29:20 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-tcg-plugins-270520-1:
  tests/tcg: add new threadcount test
  linux-user: properly "unrealize" vCPU object
  cpus-common: ensure auto-assigned cpu_indexes don't clash
  tests/docker: use a gcc-10 based image for arm64 tests
  tests/docker: add debian11 base image
  tests/tcg: better detect confused gdb which can't connect
  tests/fp: split and audit the conversion tests
  tests/fp: enable extf80_le_quite tests
  tests/tcg: fix invocation of the memory record/replay tests
  travis.yml: Use clang++ in the Clang tests
  tests/vm: pass --genisoimage to basevm script
  configure: add alternate binary for genisoimage

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-29 17:41:45 +01:00
Eric Blake
cf2d1203dc iotests: Add test 291 to for qemu-img bitmap coverage
Add a new test covering the 'qemu-img bitmap' subcommand, as well as
'qemu-img convert --bitmaps', both added in recent patches.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20200521192137.1120211-6-eblake@redhat.com>
2020-05-28 13:16:30 -05:00
Eric Blake
5d72c68b49 qcow2: Expose bitmaps' size during measure
It's useful to know how much space can be occupied by qcow2 persistent
bitmaps, even though such metadata is unrelated to the guest-visible
data.  Report this value as an additional QMP field, present when
measuring an existing image and output format that both support
bitmaps.  Update iotest 178 and 190 to updated output, as well as new
coverage in 190 demonstrating non-zero values made possible with the
recently-added qemu-img bitmap command (see 3b51ab4b).

The new 'bitmaps size:' field is displayed automatically as part of
'qemu-img measure' any time it is present in QMP (that is, any time
both the source image being measured and destination format support
bitmaps, even if the measurement is 0 because there are no bitmaps
present).  If the field is absent, it means that no bitmaps can be
copied (source, destination, or both lack bitmaps, including when
measuring based on size rather than on a source image).  This behavior
is compatible with an upcoming patch adding 'qemu-img convert
--bitmaps': that command will fail in the same situations where this
patch omits the field.

The addition of a new field demonstrates why we should always
zero-initialize qapi C structs; while the qcow2 driver still fully
populates all fields, the raw and crypto drivers had to be tweaked to
avoid uninitialized data.

Consideration was also given towards having a 'qemu-img measure
--bitmaps' which errors out when bitmaps are not possible, and
otherwise sums the bitmaps into the existing allocation totals rather
than displaying as a separate field, as a potential convenience
factor.  But this was ultimately decided to be more complexity than
necessary when the QMP interface was sufficient enough with bitmaps
remaining a separate field.

See also: https://bugzilla.redhat.com/1779904

Reported-by: Nir Soffer <nsoffer@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200521192137.1120211-3-eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
2020-05-28 13:16:16 -05:00
Eric Blake
ca01b7a641 iotests: Fix test 178
A recent change to qemu-img changed expected error message output, but
178 takes long enough to execute that it does not get run by 'make
check' or './check -g quick'.

Fixes: 43d589b074
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20200521192137.1120211-2-eblake@redhat.com>
2020-05-28 13:15:23 -05:00
Vladimir Sementsov-Ogievskiy
ae00aa2398 iotests: 194: test also migration of dirty bitmap
Test that dirty bitmap migration works when we deal with mirror.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200521220648.3255-5-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
2020-05-28 13:15:22 -05:00
Peter Maydell
aacc7c8be2 Error reporting patches for 2020-05-27
-----BEGIN PGP SIGNATURE-----
 
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 D8ZdT0jQ6JQqo42zi4J4hW4eH0r0Kf+79XsVz7wxe26YK762ZVnJLK/q7Fu1vb/u
 bBMJBYh/xdRO1GDE9JsomVq3mdXlz4ywQM+SFUiCj+peiO0C9JdDxE+PII1RaDqV
 wlJ7HW1eoKs4OG0gBjrJM2tn4q3BNpyr2BLSQONBSJEfWi6Z4OnimN45K5cEEJHj
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 S/GWWRkw8pZy
 =b99a
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/armbru/tags/pull-error-2020-05-27' into staging

Error reporting patches for 2020-05-27

# gpg: Signature made Wed 27 May 2020 06:48:02 BST
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-error-2020-05-27:
  i386: Fix x86_cpu_load_model() error API violation
  arm/sabrelite: Consistently use &error_fatal in sabrelite_init()
  mips/boston: Plug memory leak in boston_mach_init()
  mips/boston: Fix boston_mach_init() error handling
  mips/malta: Fix create_cps() error handling
  error: Use error_reportf_err() where appropriate
  tests/migration: Tighten error checking
  s390x/cpumodel: Fix harmless misuse of visit_check_struct()
  xen: Fix and improve handling of device_add usb-host errors
  nvdimm: Plug memory leak in uuid property setter

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-28 11:21:30 +01:00
Alex Bennée
919bfbf5d6 tests/tcg: add new threadcount test
Based on the original testcase by Nikolay Igotti.

Message-ID: <CAEme+7GLKg_dNsHizzTKDymX9HyD+Ph2iZ=WKhOw2XG+zhViXg@mail.gmail.com>
Signed-off-by: Nikolay Igotti <igotti@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

Message-Id: <20200520140541.30256-15-alex.bennee@linaro.org>
2020-05-27 14:26:49 +01:00
Alex Bennée
c729a99d27 tests/docker: use a gcc-10 based image for arm64 tests
As we enable newer features that we want to test on arm64 targets we
need newer compilers. Split off a new debian-arm64-test-cross image
which we can use to build these new tests.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200520140541.30256-11-alex.bennee@linaro.org>
2020-05-27 14:26:49 +01:00
Alex Bennée
086f269cf4 tests/docker: add debian11 base image
We won't use this for building QEMU but we do need newer GCC's and
binutils for building some of our test cases.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200520140541.30256-10-alex.bennee@linaro.org>
2020-05-27 14:26:49 +01:00
Alex Bennée
8ec6f33151 tests/tcg: better detect confused gdb which can't connect
While we may gamely give the right information it can still confuse
the wide range of GDBs out there. For example ppc64abi32-linux-user
reports:

  warning: Selected architecture powerpc:common is not compatible with reported target architecture powerpc:common64
  warning: Architecture rejected target-supplied description

but still connects. Add a test for a 0 pc and exit early if that is
the case. This may actually be a bug we need to fix?

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200520140541.30256-8-alex.bennee@linaro.org>
2020-05-27 14:26:49 +01:00
Alex Bennée
8281a157c5 tests/fp: split and audit the conversion tests
Split the float conversion tests into separate groups and audit the
tests to check what is still broken. I was able to enable a bunch of
tests that had been missed before:

  all the float to float conversions
  ui32_to_extF80
  ui64_to_extF80
  extF80_to_ui32
  extF80_to_ui32_r_minMag
  extF80_to_ui64
  extF80_to_ui64_r_minMag

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200520140541.30256-7-alex.bennee@linaro.org>
2020-05-27 14:26:49 +01:00
Alex Bennée
91fa8b64cb tests/fp: enable extf80_le_quite tests
These have been fixed now so we no longer need a special version of
the le_quiet rule to skip the test.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200520140541.30256-6-alex.bennee@linaro.org>
2020-05-27 14:26:49 +01:00
Alex Bennée
be9bc1b73a tests/tcg: fix invocation of the memory record/replay tests
I'm not sure when this broke but we should use EXTRA_RUNS for
"virtual" tests which are not generated from the binary names.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

Message-Id: <20200520140541.30256-5-alex.bennee@linaro.org>
2020-05-27 14:26:49 +01:00
Alex Bennée
92fecad3d3 tests/vm: pass --genisoimage to basevm script
If we have an alternative to genisoimage we really need to tell the
script about it as well so it can use it. It will still default to
genisoimage in case it is run outside our build machinery.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Robert Foley <robert.foley@linaro.org>
Message-Id: <20200519132259.405-3-robert.foley@linaro.org>
2020-05-27 14:13:34 +01:00
Markus Armbruster
d01127584e tests/migration: Tighten error checking
migrate_get_socket_address() neglects to check
visit_type_SocketAddressList() failure.  This smells like a leak, but
it actually will crash dereferencing @addrs.  Pass &error_abort to
remove the code smell.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200505101908.6207-5-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2020-05-27 07:45:25 +02:00
Philippe Mathieu-Daudé
c3a09ff68d hw/mips/fuloong2e: Fix typo in Fuloong machine name
We always miswrote the Fuloong machine... Fix its name.
Add an machine alias to the previous name for backward
compatibility.

Suggested-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
Message-id: <20200526104726.11273-11-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2020-05-26 13:20:48 +02:00
Thomas Huth
56c2c59252 tests/acceptance: Add a test for the canon-a1100 machine
The canon-a1100 machine can be used with the Barebox firmware. The
QEMU Advent Calendar 2018 features a pre-compiled image which we
can use for testing.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Tested-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200514190422.23645-1-f4bug@amsat.org
Message-Id: <20200129090420.13954-1-thuth@redhat.com>
[PMD: Rebased MAINTAINERS]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-05-21 20:00:18 +01:00