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Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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There are lots of duplicate parsing code using strto*() in QEMU, and
most of that code is broken in one way or another. Even the visitors
code have duplicate integer parsing code[1]. This introduces functions
to help parsing unsigned int values: parse_uint() and parse_uint_full().
Parsing functions for signed ints and floats will be submitted later.
parse_uint_full() has all the checks made by opts_type_uint64() at
opts-visitor.c:
- Check for NULL (returns -EINVAL)
- Check for negative numbers (returns -EINVAL)
- Check for empty string (returns -EINVAL)
- Check for overflow or other errno values set by strtoll() (returns
-errno)
- Check for end of string (reject invalid characters after number)
(returns -EINVAL)
parse_uint() does everything above except checking for the end of the
string, so callers can continue parsing the remainder of string after
the number.
Unit tests included.
[1] string-input-visitor.c:parse_int() could use the same parsing code
used by opts-visitor.c:opts_type_int(), instead of duplicating that
logic.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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We've seen this repeatedly in buildbot but I can now reliably
reproduce it myself too. With a few hundred runs of 'make check',
qemu-system-sparc will hang consuming 100% CPU. I've attached GDB
to the hung process and unfortunately, I can't get anything useful
out of GDB (RIP is not a valid simple and there is nothing else on
the stack).
At any rate, since this only manifests in qemu-system-sparc and it
doesn't appear to be a qtest specific problem, I think we should
disable it until the problem is resolved.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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* afaerber/qom-cpu: (37 commits)
kvm: Pass CPUState to kvm_on_sigbus_vcpu()
cpu: Unconditionalize CPUState fields
target-m68k: Use type_register() instead of type_register_static()
target-unicore32: Use type_register() instead of type_register_static()
target-openrisc: Use type_register() instead of type_register_static()
target-unicore32: Catch attempt to instantiate abstract type in cpu_init()
target-openrisc: Catch attempt to instantiate abstract type in cpu_init()
target-m68k: Catch attempt to instantiate abstract type in cpu_init()
target-arm: Catch attempt to instantiate abstract type in cpu_init()
target-alpha: Catch attempt to instantiate abstract type in cpu_init()
qom: Introduce object_class_is_abstract()
target-unicore32: Detect attempt to instantiate non-CPU type in cpu_init()
target-openrisc: Detect attempt to instantiate non-CPU type in cpu_init()
target-m68k: Detect attempt to instantiate non-CPU type in cpu_init()
target-alpha: Detect attempt to instantiate non-CPU type in cpu_init()
target-arm: Detect attempt to instantiate non-CPU type in cpu_init()
cpu: Add model resolution support to CPUClass
target-i386: Remove setting tsc-frequency from x86_def_t
target-i386: Set custom features/properties without intermediate x86_def_t
target-i386: Remove vendor_override field from CPUX86State
...
Conflicts:
tests/Makefile
Resolved simple conflict caused by lack of context in Makefile
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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# By Paolo Bonzini (14) and others
# Via Kevin Wolf
* kwolf/for-anthony: (24 commits)
ide: Add fall through annotations
block: Create proper size file for disk mirror
ahci: Add migration support
ahci: Change data types in preparation for migration
ahci: Remove unused AHCIDevice fields
hbitmap: add assertion on hbitmap_iter_init
mirror: do nothing on zero-sized disk
block/vdi: Check for bad signature
block/vdi: Improved return values from vdi_open
block/vdi: Improve debug output for signature
block: Use error code EMEDIUMTYPE for wrong format in some block drivers
block: Add special error code for wrong format
mirror: support arbitrarily-sized iterations
mirror: support more than one in-flight AIO operation
mirror: add buf-size argument to drive-mirror
mirror: switch mirror_iteration to AIO
mirror: allow customizing the granularity
block: allow customizing the granularity of the dirty bitmap
block: return count of dirty sectors, not chunks
mirror: perform COW if the cluster size is bigger than the granularity
...
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This introduces utility functions for the APIC ID calculation, based on:
Intel® 64 Architecture Processor Topology Enumeration
http://software.intel.com/en-us/articles/intel-64-architecture-processor-topology-enumeration/
The code should be compatible with AMD's "Extended Method" described at:
AMD CPUID Specification (Publication #25481)
Section 3: Multiple Core Calcuation
as long as:
- nr_threads is set to 1;
- OFFSET_IDX is assumed to be 0;
- CPUID Fn8000_0008_ECX[ApicIdCoreIdSize[3:0]] is set to
apicid_core_width().
Unit tests included.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Since x86_64 is a superset of i386 and reuses all its test cases, adopt
all the i386 gcov source files as well, substituting their paths
appropriately.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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m48t59-test is individually being executed for sparc and sparc64, so add
the gcov source file for sparc64 as well.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Commit 6e9989034b176a8e4cfdccd85892abfa73977ba7 introduced a new qtest
test case but misspelled gcov, leading to no coverage analysis. Fix it.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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I had missed the introduction of the gcov-files-* variables.
Cc: Blue Swirl <blauwirbel@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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HBitmaps provides an array of bits. The bits are stored as usual in an
array of unsigned longs, but HBitmap is also optimized to provide fast
iteration over set bits; going from one bit to the next is O(logB n)
worst case, with B = sizeof(long) * CHAR_BIT: the result is low enough
that the number of levels is in fact fixed.
In order to do this, it stacks multiple bitmaps with progressively coarser
granularity; in all levels except the last, bit N is set iff the N-th
unsigned long is nonzero in the immediately next level. When iteration
completes on the last level it can examine the 2nd-last level to quickly
skip entire words, and even do so recursively to skip blocks of 64 words or
powers thereof (32 on 32-bit machines).
Given an index in the bitmap, it can be split in group of bits like
this (for the 64-bit case):
bits 0-57 => word in the last bitmap | bits 58-63 => bit in the word
bits 0-51 => word in the 2nd-last bitmap | bits 52-57 => bit in the word
bits 0-45 => word in the 3rd-last bitmap | bits 46-51 => bit in the word
So it is easy to move up simply by shifting the index right by
log2(BITS_PER_LONG) bits. To move down, you shift the index left
similarly, and add the word index within the group. Iteration uses
ffs (find first set bit) to find the next word to examine; this
operation can be done in constant time in most current architectures.
Setting or clearing a range of m bits on all levels, the work to perform
is O(m + m/W + m/W^2 + ...), which is O(m) like on a regular bitmap.
When iterating on a bitmap, each bit (on any level) is only visited
once. Hence, The total cost of visiting a bitmap with m bits in it is
the number of bits that are set in all bitmaps. Unless the bitmap is
extremely sparse, this is also O(m + m/W + m/W^2 + ...), so the amortized
cost of advancing from one bit to the next is usually constant.
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Exercise all four commands of the TMP105, testing for an issue in the
I2C TX path.
The test case uses the N800's OMAP I2C and is the first for ARM.
Signed-off-by: Andreas Färber <andreas.faerber@web.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This adds a simple I2C API and a driver implementation for omap_i2c.
Signed-off-by: Andreas Färber <andreas.faerber@web.de>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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There is no reason why for example qemu-ga should include all the
definitions for the QEMU monitor. However, there are a few
that are needed (qapi_free_SocketAddress, qapi_free_InetSocketAddress,
ErrorClass_lookup). These should be moved to a separate "core"
.json schema that goes into libqemuutil.a.
For now, make this clearer by moving the qapi-*.o definitions out
of libqemuutil.a. Once the above refactoring is done, qga-obj-y
should not include anymore qapi-types.o and qapi-visit.o.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Split them between libqemuutil.a and, for those used by qemu-img/io/nbd,
block-obj-y.
Static libraries ensure that binaries such as qemu-ga do not include
unused modules.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Use a static library to eliminate repetition in the linking rules.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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This prepares the creation of libqemuutil.a in the next patch.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Add support for compiling for GCOV test coverage, enabled
with '--enable-gcov' during configure.
Test coverage will be reported after each test.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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This removes the dependency of cutils.c on iov.c, and lets us remove
iov.o from several builds.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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When qemu_open is passed a filename of the "/dev/fdset/nnn"
format (where nnn is the fdset ID), an fd with matching access
mode flags will be searched for within the specified monitor
fd set. If the fd is found, a dup of the fd will be returned
from qemu_open.
Signed-off-by: Corey Bryant <coreyb@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Otherwise 'make check' won't recompile files that need to be recompiled
because of header changes.
To reproduce the bug, run:
$ make check # succeeds
$ echo B0RKED > hw/mc146818rtc_regs.h
$ make check # is supposed to try to rebuild tests/rtc-test.o and fail
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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So far covers only IDE and tests only CMOS contents.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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* mjt/mjt-iov2:
rewrite iov_send_recv() and move it to iov.c
cleanup qemu_co_sendv(), qemu_co_recvv() and friends
export iov_send_recv() and use it in iov_send() and iov_recv()
rename qemu_sendv to iov_send, change proto and move declarations to iov.h
change qemu_iovec_to_buf() to match other to,from_buf functions
consolidate qemu_iovec_copy() and qemu_iovec_concat() and make them consistent
allow qemu_iovec_from_buffer() to specify offset from which to start copying
consolidate qemu_iovec_memset{,_skip}() into single function and use existing iov_memset()
rewrite iov_* functions
change iov_* function prototypes to be more appropriate
virtio-serial-bus: use correct lengths in control_out() message
Conflicts:
tests/Makefile
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Currently we test our visitors individually, and seperately for input
vs. output. This is useful for validating internal representations
against the native C types and vice-versa, and other visitor-specific
testing, but it doesn't cover the potential use-case of using visitor
pairs for serialization/deserialization very well, and makes it
hard to easily extend the coverage for different C types / boundary
conditions.
To cover that we add a set of unit tests that takes a number of native C
values, passes them into an output visitor, extracts the values with an
input visitor, then compares the result to the original.
Plugging in new visitors to the test harness only requires a user to
implement the SerializeOps interface and add it to a list.
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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This changes implementations of all iov_*
functions, completing the previous step.
All iov_* functions now ensure that this offset
argument is within the iovec (using assertion),
but lets to specify `bytes' value larger than
actual length of the iovec - in this case they
stops at the actual end of iovec. It is also
suggested to use convinient `-1' value as `bytes'
to mean just this -- "up to the end".
There's one very minor semantic change here: new
requiriment is that `offset' points to inside of
iovec. This is checked just at the end of functions
(assert()), it does not actually need to be enforced,
but using any of these functions with offset pointing
past the end of iovec is wrong anyway.
Note: the new code in iov.c uses arithmetic with
void pointers. I thought this is not supported
everywhere and is a GCC extension (indeed, the C
standard does not define void arithmetic). However,
the original code already use void arith in
iov_from_buf() function:
(memcpy(..., buf + buf_off,...)
which apparently works well so far (it is this
way in qemu 1.0). So I left it this way and used
it in other places.
While at it, add a unit-test file test-iov.c,
to check various corner cases with iov_from_buf(),
iov_to_buf() and iov_memset().
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Keeping GENERATED_HEADERS dependencies up-to-date everywhere is complex.
We can simply make the Makefile depend on them, and they will be built
before all other targets.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Commit 93e9eb6808c886f5f1c903b7ced1eed65de2ba39 added fdc-test,
but accidentally removed rtc-test because check-qtest-i386-y was
not enhanced but set twice.
This patch adds rtc-test again (and sorts both tests alphabetically).
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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When QEMU was built with the simple trace backend, linking failed:
LINK tests/fdc-test
oslib-posix.o: In function `trace_qemu_memalign':
qemu/bin/debug/x86/./trace.h:31: undefined reference to `trace3'
oslib-posix.o: In function `trace_qemu_vmalloc':
qemu/bin/debug/x86/./trace.h:35: undefined reference to `trace2'
oslib-posix.o: In function `trace_qemu_vfree':
qemu/bin/debug/x86/./trace.h:39: undefined reference to `trace1'
collect2: error: ld returned 1 exit status
make: *** [tests/fdc-test] Fehler 1
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Let's start with testing media change.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
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Add simple m48t59 qtests, enable test only for Sparc32
and Sparc64. On PPC, the device is behind PCI bus.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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The special target should not be needed anymore, and caused (perhaps
due to a Make bug) a failure with "make -j2". In any case, the
main makefile is a better place for such special targets rather
than an included makefile.
Reported-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Tested-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Trace objects are also needed if tracing is enabled.
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This also includes a qtest wrapper script to make it easier to launch qtest
tests directly.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This introduces new test reporting infrastructure based on
gtester and gtester-report.
Also, all existing tests are moved to tests/, and tests/Makefile
is reorganized to factor out the commonalities in the rules.
Signed-off-by: Anthony Liguori <aliguori@linux.vnet.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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While QMP in general is designed so that it is possible to ignore
unknown arguments, in the case of the QMP server it is better to
reject them to detect bad clients. In fact, we're already doing
this at the top level in the argument checker. To extend this to
complex structures, add a mode to the input visitor where it checks
for unvisited keys and raises an error if it finds one.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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All the deps are here but the test was never added to the list of tests
for make check
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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This was added by mistake a while back.
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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Runs the full qemu-iotests suite for various image formats.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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