It's not even clear what the interface REG and VAL32 were supposed to mean.
All uses had REG = 0 and VAL32 was the bitset assigned to the destination.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20170912211934.20919-1-f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20170911213328.9701-5-f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20170911213328.9701-4-f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20170911213328.9701-3-f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The header is only used by accel/tcg/cputlb.c so we can
move it to the accel/tcg/ folder, too.
Signed-off-by: Thomas Huth <thuth@redhat.com>
[PMD: reword commit title to match series]
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20170911213328.9701-2-f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This fixes building for ppc64 on ppc32 (changed in 5964fca8a1):
tcg/ppc/tcg-target.inc.c: In function 'tb_target_set_jmp_target':
include/qemu/compiler.h:86:30: error: static assertion failed: \
"not expecting: sizeof(*(uint64_t *)jmp_addr) > ATOMIC_REG_SIZE"
QEMU_BUILD_BUG_ON(sizeof(*ptr) > ATOMIC_REG_SIZE); \
^
tcg/ppc/tcg-target.inc.c:1377:9: note: in expansion of macro 'atomic_set'
atomic_set((uint64_t *)jmp_addr, pair);
^
Suggested-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20170911204936.5020-1-f4bug@amsat.org>
[rth: Added commentary requested by pmm.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
When launching a VM, if an exception happens and the VM is not
initiated, it might be useful to see the qemu command line and
the qemu command output.
This patch creates that message. Notice that self._iolog needs to be
cleaned up in the beginning of the launch() to make sure we will not
expose the qemu log from a previous launch if the current one fails.
Signed-off-by: Amador Pahim <apahim@redhat.com>
Message-Id: <20170901112829.2571-6-apahim@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The current message shows 'self._args', which contains only part of the
options used in the Qemu command line.
This patch makes the qemu full args list an instance variable and then
uses it in the negative exit code message.
Message was moved outside the 'if is_running' block to make sure it will
be logged if the VM finishes before the call to shutdown().
Signed-off-by: Amador Pahim <apahim@redhat.com>
Message-Id: <20170901112829.2571-5-apahim@redhat.com>
[ehabkost: removed superfluous parenthesis]
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This module should not write directly to stdout/stderr. Instead, it
should either raise exceptions or just log the messages and let the
callers handle them and decide what to do. For example, scripts could
choose to send the log messages stderr or/and write them to a file if
verbose or debugging mode is enabled.
This patch replaces the writes to stderr by an exception in the
send_fd_scm() when _socket_scm_helper is not set or not present. In the
same method, the subprocess Popen will now redirect the stdout/stderr to
logging.debug instead of writing to system stderr. As consequence, since
the Popen.communicate() is now used (in order to get the stdout), the
further call to wait() became redundant and was replaced by
Popen.returncode.
The shutdown() message on negative exit code will now be logged
to logging.warn instead of written to system stderr.
Signed-off-by: Amador Pahim <apahim@redhat.com>
Message-Id: <20170901112829.2571-3-apahim@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
is_running() returns None when called before the first time we
call launch():
>>> import qemu
>>> vm = qemu.QEMUMachine('qemu-system-x86_64')
>>> vm.is_running()
>>>
It should return False instead. This patch fixes that.
For consistence, this patch removes the parenthesis from the
second clause as it's not really needed.
Signed-off-by: Amador Pahim <apahim@redhat.com>
Message-Id: <20170901112829.2571-2-apahim@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
No actual code changes, just few pylint/style fixes.
Signed-off-by: Lukáš Doktor <ldoktor@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-Id: <20170818142613.32394-11-ldoktor@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The "id" is a builtin method to get object's identity and should not be
overridden. This might bring some issues in case someone was directly
calling "cmd(..., id=id)" but I haven't found such usage on brief search
for "cmd\(.*id=".
Signed-off-by: Lukáš Doktor <ldoktor@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20170818142613.32394-10-ldoktor@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The "has_key" is deprecated in favor of "__in__" operator.
Signed-off-by: Lukáš Doktor <ldoktor@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20170818142613.32394-9-ldoktor@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
There is no need to define QEMUMonitorProtocol as old-style class.
Signed-off-by: Lukáš Doktor <ldoktor@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20170818142613.32394-8-ldoktor@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
No actual code changes, just initializing attributes earlier to avoid
AttributeError on early introspection, a few pylint/style fixes and
docstring clarifications.
Signed-off-by: Lukáš Doktor <ldoktor@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20170818142613.32394-7-ldoktor@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The naked Exception should not be widely used. It makes sense to be a
bit more specific and use better-suited custom exceptions. As a benefit
we can store the full reply in the exception in case someone needs it
when catching the exception.
Signed-off-by: Lukáš Doktor <ldoktor@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20170818142613.32394-6-ldoktor@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The QMP key conversion consist of '_'s to be replaced with '-'s, which
can easily be done by a single `str.replace` method which is faster and
does not require `string` module import.
Signed-off-by: Lukáš Doktor <ldoktor@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20170818142613.32394-5-ldoktor@redhat.com>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Let's avoid creating an in-memory list of keys and query for each value
and use `iteritems` which is an iterator of key-value pairs.
Signed-off-by: Lukáš Doktor <ldoktor@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20170818142613.32394-4-ldoktor@redhat.com>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The list object is mutable in python and potentially might modify other
object's arguments when used as default argument. Reproducer:
>>> vm1 = QEMUMachine("qemu")
>>> vm2 = QEMUMachine("qemu")
>>> vm1._wrapper.append("foo")
>>> print vm2._wrapper
['foo']
In this case the `args` is actually copied so it would be safe to keep
it, but it's not a good practice to keep it. The same issue applies in
inherited qtest module.
Signed-off-by: Lukáš Doktor <ldoktor@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-Id: <20170818142613.32394-3-ldoktor@redhat.com>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
No actual code changes, just several pylint/style fixes and docstring
clarifications.
Signed-off-by: Lukáš Doktor <ldoktor@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20170818142613.32394-2-ldoktor@redhat.com>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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Merge remote-tracking branch 'remotes/otubo/tags/pull-seccomp-20170915' into staging
pull-seccomp-20170915
# gpg: Signature made Fri 15 Sep 2017 09:21:15 BST
# gpg: using RSA key 0xDF32E7C0F0FFF9A2
# gpg: Good signature from "Eduardo Otubo (Senior Software Engineer) <otubo@redhat.com>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: D67E 1B50 9374 86B4 0723 DBAB DF32 E7C0 F0FF F9A2
* remotes/otubo/tags/pull-seccomp-20170915:
buildsys: Move seccomp cflags/libs to per object
seccomp: add resourcecontrol argument to command line
seccomp: add spawn argument to command line
seccomp: add elevateprivileges argument to command line
seccomp: add obsolete argument to command line
seccomp: changing from whitelist to blacklist
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Here's the current batch of accumulated ppc patches. These are all
pretty simple bugfixes or cleanups, no big new features here.
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.11-20170915' into staging
ppc patch queue 2017-09-15
Here's the current batch of accumulated ppc patches. These are all
pretty simple bugfixes or cleanups, no big new features here.
# gpg: Signature made Fri 15 Sep 2017 04:50:00 BST
# gpg: using RSA key 0x6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>"
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>"
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>"
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>"
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392
* remotes/dgibson/tags/ppc-for-2.11-20170915:
ppc/kvm: use kvm_vm_check_extension() in kvmppc_is_pr()
spapr_events: use QTAILQ_FOREACH_SAFE() in spapr_clear_pending_events()
spapr_cpu_core: cleaning up qdev_get_machine() calls
spapr_pci: don't create 64-bit MMIO window if we don't need to
spapr_pci: convert sprintf() to g_strdup_printf()
spapr_cpu_core: fail gracefully with non-pseries machine types
xics: fix several error leaks
vfio, spapr: Fix levels calculation
spapr_pci: handle FDT creation errors with _FDT()
spapr_pci: use the common _FDT() helper
spapr: fix CAS-generated reset
ppc/xive: fix OV5_XIVE_EXPLOIT bits
spapr: only update SDR1 once per-cpu during CAS
spapr_pci: use g_strdup_printf()
spapr_pci: drop useless check in spapr_populate_pci_child_dt()
spapr_pci: drop useless check in spapr_phb_vfio_get_loc_code()
hw/ppc/spapr.c: cleaning up qdev_get_machine() calls
net: Add SunGEM device emulation as found on Apple UniNorth
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Right now, function trace_event_set_vcpu_state_dynamic() asynchronously enables
events in the case a vCPU is executing TCG code. If the vCPU is being created
this makes some events like "guest_cpu_enter" to not be traced.
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Reviewed-by: Emilio G. Cota <cota@braap.org>
Message-id: 150525662577.19850.13767570977540117247.stgit@frigg.lan
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Like many other libraries, libseccomp cflags and libs should only apply
to the building of necessary objects. Do so in the usual way with the
help of per object variables.
Signed-off-by: Fam Zheng <famz@redhat.com>
This patch adds [,resourcecontrol=deny] to `-sandbox on' option. It
blacklists all process affinity and scheduler priority system calls to
avoid any bigger of the process.
Signed-off-by: Eduardo Otubo <otubo@redhat.com>
This patch adds [,spawn=deny] argument to `-sandbox on' option. It
blacklists fork and execve system calls, avoiding Qemu to spawn new
threads or processes.
Signed-off-by: Eduardo Otubo <otubo@redhat.com>
This patch introduces the new argument
[,elevateprivileges=allow|deny|children] to the `-sandbox on'. It allows
or denies Qemu process to elevate its privileges by blacklisting all
set*uid|gid system calls. The 'children' option will let forks and
execves run unprivileged.
Signed-off-by: Eduardo Otubo <otubo@redhat.com>
This patch introduces the argument [,obsolete=allow] to the `-sandbox on'
option. It allows Qemu to run safely on old system that still relies on
old system calls.
Signed-off-by: Eduardo Otubo <otubo@redhat.com>
This patch changes the default behavior of the seccomp filter from
whitelist to blacklist. By default now all system calls are allowed and
a small black list of definitely forbidden ones was created.
Signed-off-by: Eduardo Otubo <otubo@redhat.com>
hmp() passes its string argument through the sprintf() family;
with a proper attribute, gcc -Wformat warns us when we do something
dangerous like passing a non-constant format string. Fortunately,
all our strings were safe, but checking whether the string can
contain an unintended % is easy to avoid and therefore worth doing.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Prior to commit 063c23d9, we were tracking a list of parallel
qtest objects, in order to safely clean up a SIGABRT handler
only after the last connection quits. But when we switched to
more of glib's infrastructure, the list became dead code that
is never assigned to.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Don't open-code something that has a convenient helper available.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Assertions should be separate from the side effects, since in
theory, g_assert() can be disabled (in practice, we can't really
ever do that).
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Back when the test was introduced, in commit 62c39b307, the
test was set up to run qemu-ga directly on the host performing
the test, and defaults to limiting itself to safe commands. At
the time, it was envisioned that setting QGA_TEST_SIDE_EFFECTING
in the environment could cover a few more commands, while noting
the potential danger of those side effects running in the host.
But this has NEVER been tested: if you enable the environment
variable, the test WILL fail. One obvious reason: if you are not
running as root, you'll probably get a permission failure when
trying to freeze the file systems, or when changing system time.
Less obvious: if you run the test as root (wow, you're brave), you
could end up hanging if the test tries to log things to a
temporarily frozen filesystem. But the cutest reason of all: if
you get past the above hurdles, the test uses invalid JSON in
test_qga_fstrim() (missing '' around the dictionary key 'minimum'),
and will thus fail an assertion in qmp_fd().
Rather than leave this untested time-bomb in place, rip it out.
Hopefully, as originally envisioned, we can find an opportunity
to test an actual sandboxed guest where the guest-agent has
full permissions and will not unduly affect the host running
the test - if so, 'git revert' can be used if desired, for
salvaging any useful parts of this attempt.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Broken with commit b4ba67d9a7 ("libqos: Change PCI accessors to take
opaque BAR handle") a while ago, but nobody noticed since the tests are
not run by default: The msix_pba_bar is not correctly initialized
anymore if bir_pba has the same value as bir_table. With this fix,
"make check SPEED=slow" should work fine again.
Fixes: b4ba67d9a7
Tested-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
