apply_to_qlist(), apply_to_node() work with QObjects. This is
designed for use by tests/qtest/qos-test.c, which gets the data in
that form via QMP. Goes back to commit fc281c8020 "tests: qgraph API
for the qtest driver framework".
Commit 275ab39d86 "fuzz: add support for qos-assisted fuzz targets"
added another user: qtest/fuzz/qos_fuzz.c. To get the data as
QObjects, it uses qmp_marshal_query_machines() and
qmp_marshal_qom_list_types().
All this code is rather cumbersome. Switch to working with generated
QAPI types instead:
* Replace apply_to_qlist() & friends by machines_apply_to_node() and
types_apply_to_node().
* Have qos_fuzz.c use qmp_query_machines() and qmp_qom_list_types()
instead.
* Have qos_test.c convert from QObject to the QAPI types.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200424071142.3525-3-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alexander Bulekov <alxndr@bu.edu>
With QEMU 4.0 an incompatible change was added to pc_piix, which makes it
practical impossible to migrate domUs started with qemu2 or qemu3 to
newer qemu versions. Commit 7fccf2a068
added and enabled a new member "smbus_no_migration_support". In commit
4ab2f2a8aa the vmstate_acpi got new
elements, which are conditionally filled. As a result, an incoming
migration expected smbus related data unless smbus migration was
disabled for a given MachineClass. Since first commit forgot to handle
'xenfv', domUs started with QEMU 4.x are incompatible with their QEMU
siblings.
Using other existing machine types, such as 'pc-i440fx-3.1', is not
possible because 'xenfv' creates the 'xen-platform' PCI device at
00:02.0, while all other variants to run a domU would create it at
00:04.0.
To cover both the existing and the broken case of 'xenfv' in a single
qemu binary, a new compatibility variant of 'xenfv-4.2' must be added
which targets domUs started with qemu 4.2. The existing 'xenfv' restores
compatibility of QEMU 5.x with qemu 3.1.
Host admins who started domUs with QEMU 4.x (preferrable QEMU 4.2)
have to use a wrapper script which appends '-machine xenfv-4.2' to
the device-model command line. This is only required if there is no
maintenance window which allows to temporary shutdown the domU and
restart it with a fixed device-model.
The wrapper script is as simple as this:
#!/bin/sh
exec /usr/bin/qemu-system-i386 "$@" -machine xenfv-4.2
With xl this script will be enabled with device_model_override=, see
xl.cfg(5). To live migrate a domU, adjust the existing domU.cfg and pass
it to xl migrate or xl save/restore:
xl migrate -C new-domU.cfg domU remote-host
xl save domU CheckpointFile new-domU.cfg
xl restore new-domU.cfg CheckpointFile
With libvirt this script will be enabled with the <emulator> element in
domU.xml. Use 'virsh edit' prior 'virsh migrate' to replace the existing
<emulator> element to point it to the wrapper script.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Message-Id: <20200327151841.13877-1-olaf@aepfle.de>
[Adjust tests for blacklisted machine types, simplifying the one in
qom-test. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The tulip networking card emulation has an OOB issue in
'tulip_copy_tx_buffers' when the guest provide malformed descriptor.
This test will trigger a ASAN heap overflow crash. To trigger this
issue we can construct the data as following:
1. construct a 'tulip_descriptor'. Its control is set to
'0x7ff | 0x7ff << 11', this will make the 'tulip_copy_tx_buffers's
'len1' and 'len2' to 0x7ff(2047). So 'len1+len2' will overflow
'TULIPState's 'tx_frame' field. This descriptor's 'buf_addr1' and
'buf_addr2' should set to a guest address.
2. write this descriptor to tulip device's CSR4 register. This will
set the 'TULIPState's 'current_tx_desc' field.
3. write 'CSR6_ST' to tulip device's CSR6 register. This will trigger
'tulip_xmit_list_update' and finally calls 'tulip_copy_tx_buffers'.
Following shows the backtrack of crash:
==31781==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x628000007cd0 at pc 0x7fe03c5a077a bp 0x7fff05b46770 sp 0x7fff05b45f18
WRITE of size 2047 at 0x628000007cd0 thread T0
#0 0x7fe03c5a0779 (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x79779)
#1 0x5575fb6daa6a in flatview_read_continue /home/test/qemu/exec.c:3194
#2 0x5575fb6daccb in flatview_read /home/test/qemu/exec.c:3227
#3 0x5575fb6dae66 in address_space_read_full /home/test/qemu/exec.c:3240
#4 0x5575fb6db0cb in address_space_rw /home/test/qemu/exec.c:3268
#5 0x5575fbdfd460 in dma_memory_rw_relaxed /home/test/qemu/include/sysemu/dma.h:87
#6 0x5575fbdfd4b5 in dma_memory_rw /home/test/qemu/include/sysemu/dma.h:110
#7 0x5575fbdfd866 in pci_dma_rw /home/test/qemu/include/hw/pci/pci.h:787
#8 0x5575fbdfd8a3 in pci_dma_read /home/test/qemu/include/hw/pci/pci.h:794
#9 0x5575fbe02761 in tulip_copy_tx_buffers hw/net/tulip.c:585
#10 0x5575fbe0366b in tulip_xmit_list_update hw/net/tulip.c:678
#11 0x5575fbe04073 in tulip_write hw/net/tulip.c:783
Signed-off-by: Li Qiang <liq3ea@163.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
When using max-bandwidth=~100Mb/s, this test fails on Travis-CI
s390x when configured with --disable-tcg:
$ make check-qtest
TEST check-qtest-s390x: tests/qtest/boot-serial-test
qemu-system-s390x: -accel tcg: invalid accelerator tcg
qemu-system-s390x: falling back to KVM
TEST check-qtest-s390x: tests/qtest/pxe-test
TEST check-qtest-s390x: tests/qtest/test-netfilter
TEST check-qtest-s390x: tests/qtest/test-filter-mirror
TEST check-qtest-s390x: tests/qtest/test-filter-redirector
TEST check-qtest-s390x: tests/qtest/drive_del-test
TEST check-qtest-s390x: tests/qtest/device-plug-test
TEST check-qtest-s390x: tests/qtest/virtio-ccw-test
TEST check-qtest-s390x: tests/qtest/cpu-plug-test
TEST check-qtest-s390x: tests/qtest/migration-test
**
ERROR:tests/qtest/migration-test.c:1229:test_migrate_auto_converge: 'got_stop' should be FALSE
ERROR - Bail out! ERROR:tests/qtest/migration-test.c:1229:test_migrate_auto_converge: 'got_stop' should be FALSE
make: *** [tests/Makefile.include:633: check-qtest-s390x] Error 1
Per David Gilbert, "it could just be the writing is slow on s390
and the migration thread fast; in which case the autocomplete
wouldn't be needed. Perhaps we just need to reduce the bandwidth
limit."
Tuning the threshold by reducing the initial bandwidth makes the
autoconverge test pass.
Suggested-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200323184015.11565-1-philmd@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Pull request
# gpg: Signature made Tue 17 Mar 2020 23:22:33 GMT
# gpg: using RSA key F9B7ABDBBCACDF95BE76CBD07DEF8106AAFC390E
# gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>" [full]
# Primary key fingerprint: FAEB 9711 A12C F475 812F 18F2 88A9 064D 1835 61EB
# Subkey fingerprint: F9B7 ABDB BCAC DF95 BE76 CBD0 7DEF 8106 AAFC 390E
* remotes/jnsnow/tags/ide-pull-request:
hw/ide: Remove unneeded inclusion of hw/ide.h
hw/ide: Move MAX_IDE_DEVS define to hw/ide/internal.h
hw/ide: Do ide_drive_get() within pci_ide_create_devs()
hw/ide/pci.c: Coding style update to fix checkpatch errors
hw/ide: Remove now unneded #include "hw/pci/pci.h" from hw/ide.h
hw/ide: Get rid of piix4_init function
hw/isa/piix4.c: Introduce variable to store devfn
hw/ide: Get rid of piix3_init functions
hd-geo-test: Clean up use of buf[] in create_qcow2_with_mbr()
via-ide: always use legacy IRQ 14/15 routing
via-ide: allow guests to write to PCI_CLASS_PROG
via-ide: initialise IDE controller in legacy mode
via-ide: ensure that PCI_INTERRUPT_LINE is hard-wired to its default value
pci: Honour wmask when resetting PCI_INTERRUPT_LINE
ide/via: Get rid of via_ide_init()
via-ide: move registration of VMStateDescription to DeviceClass
cmd646: remove unused pci_cmd646_ide_init() function
dp264: use pci_create_simple() to initialise the cmd646 device
cmd646: register vmstate_ide_pci VMStateDescription in DeviceClass
cmd646: register cmd646_reset() function in DeviceClass
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Error reporting patches for 2020-03-17
# gpg: Signature made Tue 17 Mar 2020 16:30:49 GMT
# 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-2020-03-17:
hw/sd/ssi-sd: fix error handling in ssi_sd_realize
xen-block: Use one Error * variable instead of two
hw/misc/ivshmem: Use one Error * variable instead of two
Use &error_abort instead of separate assert()
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
ppc patch queue 2020-03-17
Here's my final pull request for the qemu-5.0 soft freeze. Sorry this
is just under the wire - I hit some last minute problems that took a
while to fix up and retest.
Highlights are:
* Numerous fixes for the FWNMI feature
* A handful of cleanups to the device tree construction code
* Numerous fixes for the spapr-vscsi device
* A number of fixes and cleanups for real mode (MMU off) softmmu
handling
* Fixes for handling of the PAPR RMA
* Better handling of hotplug/unplug events during boot
* Assorted other fixes
# gpg: Signature made Tue 17 Mar 2020 09:55:07 GMT
# gpg: using RSA key 75F46586AE61A66CC44E87DC6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>" [full]
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>" [full]
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>" [full]
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>" [unknown]
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392
* remotes/dgibson/tags/ppc-for-5.0-20200317: (45 commits)
pseries: Update SLOF firmware image
ppc/spapr: Ignore common "ibm,nmi-interlock" Linux bug
ppc/spapr: Implement FWNMI System Reset delivery
target/ppc: allow ppc_cpu_do_system_reset to take an alternate vector
ppc/spapr: Allow FWNMI on TCG
ppc/spapr: Fix FWNMI machine check interrupt delivery
ppc/spapr: Add FWNMI System Reset state
ppc/spapr: Change FWNMI names
ppc/spapr: Fix FWNMI machine check failure handling
spapr: Rename DT functions to newer naming convention
spapr: Move creation of ibm,architecture-vec-5 property
spapr: Move creation of ibm,dynamic-reconfiguration-memory dt node
spapr/rtas: Reserve space for RTAS blob and log
pseries: Update SLOF firmware image
ppc/spapr: Move GPRs setup to one place
target/ppc: Fix rlwinm on ppc64
spapr/xive: use SPAPR_IRQ_IPI to define IPI ranges exposed to the guest
hw/scsi/spapr_vscsi: Convert debug fprintf() to trace event
hw/scsi/spapr_vscsi: Prevent buffer overflow
hw/scsi/spapr_vscsi: Do not mix SRP IU size with DMA buffer size
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
There should no longer be a reason to prevent TCG providing FWNMI.
System Reset interrupts are generated to the guest with nmi monitor
command and H_SIGNAL_SYS_RESET. Machine Checks can not be injected
currently, but this could be implemented with the mce monitor cmd
similarly to i386.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20200316142613.121089-6-npiggin@gmail.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
[dwg: Re-enable FWNMI in qtests, since that now works]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Description copied from Linux kernel commit from Gustavo A. R. Silva
(see [3]):
--v-- description start --v--
The current codebase makes use of the zero-length array language
extension to the C90 standard, but the preferred mechanism to
declare variable-length types such as these ones is a flexible
array member [1], introduced in C99:
struct foo {
int stuff;
struct boo array[];
};
By making use of the mechanism above, we will get a compiler
warning in case the flexible array does not occur last in the
structure, which will help us prevent some kind of undefined
behavior bugs from being unadvertenly introduced [2] to the
Linux codebase from now on.
--^-- description end --^--
Do the similar housekeeping in the QEMU codebase (which uses
C99 since commit 7be41675f7).
All these instances of code were found with the help of the
following Coccinelle script:
@@
identifier s, m, a;
type t, T;
@@
struct s {
...
t m;
- T a[0];
+ T a[];
};
@@
identifier s, m, a;
type t, T;
@@
struct s {
...
t m;
- T a[0];
+ T a[];
} QEMU_PACKED;
[1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
[2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=76497732932f
[3] https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git/commit/?id=17642a2fbd2c1
Inspired-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The dbus-vmstate-test has been failing in some Patchew configs
since about the 6th March:
dbus-daemon[9321]: Could not get password database information for UID of current process: User "???" unknown or no memory to allocate password entry
**
ERROR:/tmp/qemu-test/src/tests/qtest/dbus-vmstate-test.c:114:get_connection: assertion failed (err == NULL): The connection is closed (g-io-error-quark, 18)
cleaning up pid 9321
ERROR - Bail out! ERROR:/tmp/qemu-test/src/tests/qtest/dbus-vmstate-test.c:114:get_connection: assertion failed (err == NULL): The connection is closed (g-io-error-quark, 18)
make: *** [/tmp/qemu-test/src/tests/Makefile.include:632: check-qtest-x86_64] Error 1
make: *** Waiting for unfinished jobs....
It's not clear why this is happening (perhaps a recently revealed
race condition or a change in the patchew build environment?).
For the moment, disable this test so that patchew test runs are
useful and don't email the list with spurious failure mails.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20200310152141.13959-1-peter.maydell@linaro.org
The tests themselves are the same as the ISA device ones.
Only the main() changes as the "tpm-tis-device" device gets
instantiated. Also the base address of the device is not
0xFED40000 anymore but matches the base address of the
ARM virt platform bus.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-id: 20200305165149.618-11-eric.auger@redhat.com
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
ISA and sysbus TPM-TIS devices will share their tests. Only
the main() will change (instantiation option is different).
Also the base address of the TPM-TIS device is going to be
different. on x86 it is located at 0xFED40000 while on ARM
it can be located at any location, discovered through the
device tree description.
So we put shared test functions in a new object module.
Each test needs to set tpm_tis_base_addr global variable.
Also take benefit of this move to fix "block comments using
a leading */ on a separate line" checkpatch warnings.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-id: 20200305165149.618-10-eric.auger@redhat.com
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
We plan to use swtpm test functions on ARM for testing the
sysbus TPM-TIS device. However on ARM there is no default machine
type. So we need to explictly pass some machine options on startup.
Let's allow this by adding a new parameter to both swtpm test
functions and update all call sites.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-id: 20200305165149.618-9-eric.auger@redhat.com
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
This will store the compression method to use. We start with none.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
---
Rename multifd-method to multifd-compression
Turns out it goes to stdout which is suppressed even with V=1.
Force DIFF output to stderr to make it visible.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This series removes ad hoc RAM allocation API (memory_region_allocate_system_memory)
and consolidates it around hostmem backend. It allows to
* resolve conflicts between global -mem-prealloc and hostmem's "policy" option,
fixing premature allocation before binding policy is applied
* simplify complicated memory allocation routines which had to deal with 2 ways
to allocate RAM.
* reuse hostmem backends of a choice for main RAM without adding extra CLI
options to duplicate hostmem features. A recent case was -mem-shared, to
enable vhost-user on targets that don't support hostmem backends [1] (ex: s390)
* move RAM allocation from individual boards into generic machine code and
provide them with prepared MemoryRegion.
* clean up deprecated NUMA features which were tied to the old API (see patches)
- "numa: remove deprecated -mem-path fallback to anonymous RAM"
- (POSTPONED, waiting on libvirt side) "forbid '-numa node,mem' for 5.0 and newer machine types"
- (POSTPONED) "numa: remove deprecated implicit RAM distribution between nodes"
Introduce a new machine.memory-backend property and wrapper code that aliases
global -mem-path and -mem-alloc into automatically created hostmem backend
properties (provided memory-backend was not set explicitly given by user).
A bulk of trivial patches then follow to incrementally convert individual
boards to using machine.memory-backend provided MemoryRegion.
Board conversion typically involves:
* providing MachineClass::default_ram_size and MachineClass::default_ram_id
so generic code could create default backend if user didn't explicitly provide
memory-backend or -m options
* dropping memory_region_allocate_system_memory() call
* using convenience MachineState::ram MemoryRegion, which points to MemoryRegion
allocated by ram-memdev
On top of that for some boards:
* missing ram_size checks are added (typically it were boards with fixed ram size)
* ram_size fixups are replaced by checks and hard errors, forcing user to
provide correct "-m" values instead of ignoring it and continuing running.
After all boards are converted, the old API is removed and memory allocation
routines are cleaned up.
The virtio-scsi fuzz target sets up and fuzzes the available virtio-scsi
queues. After an element is placed on a queue, the fuzzer can select
whether to perform a kick, or continue adding elements.
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-id: 20200220041118.23264-22-alxndr@bu.edu
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
These three targets should simply fuzz reads/writes to a couple ioports,
but they mostly serve as examples of different ways to write targets.
They demonstrate using qtest and qos for fuzzing, as well as using
rebooting and forking to reset state, or not resetting it at all.
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-id: 20200220041118.23264-20-alxndr@bu.edu
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
fork() is a simple way to ensure that state does not leak in between
fuzzing runs. Unfortunately, the fuzzer mutation engine relies on
bitmaps which contain coverage information for each fuzzing run, and
these bitmaps should be copied from the child to the parent(where the
mutation occurs). These bitmaps are created through compile-time
instrumentation and they are not shared with fork()-ed processes, by
default. To address this, we create a shared memory region, adjust its
size and map it _over_ the counter region. Furthermore, libfuzzer
doesn't generally expose the globals that specify the location of the
counters/coverage bitmap. As a workaround, we rely on a custom linker
script which forces all of the bitmaps we care about to be placed in a
contiguous region, which is easy to locate and mmap over.
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-id: 20200220041118.23264-16-alxndr@bu.edu
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
tests/fuzz/fuzz.c serves as the entry point for the virtual-device
fuzzer. Namely, libfuzzer invokes the LLVMFuzzerInitialize and
LLVMFuzzerTestOneInput functions, both of which are defined in this
file. This change adds a "FuzzTarget" struct, along with the
fuzz_add_target function, which should be used to define new fuzz
targets.
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-id: 20200220041118.23264-13-alxndr@bu.edu
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Most qos-related objects were specified in the qos-test-obj-y variable.
qos-test-obj-y also included qos-test.o which defines a main().
This made it difficult to repurpose qos-test-obj-y to link anything
beside tests/qos-test against libqos. This change separates objects that
are libqos-specific and ones that are qos-test specific into different
variables.
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20200220041118.23264-11-alxndr@bu.edu
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The names i2c_send and i2c_recv collide with functions defined in
hw/i2c/core.c. This causes an error when linking against libqos and
softmmu simultaneously (for example when using qtest inproc). Rename the
libqos functions to avoid this.
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Acked-by: Thomas Huth <thuth@redhat.com>
Message-id: 20200220041118.23264-10-alxndr@bu.edu
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
When using qtest "in-process" communication, qtest_sendf directly calls
a function in the server (qtest.c). Previously, bufwrite used
socket_send, which bypasses the TransportOps enabling the call into
qtest.c. This change replaces the socket_send calls with ops->send,
maintaining the benefits of the direct socket_send call, while adding
support for in-process qtest calls.
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-id: 20200220041118.23264-8-alxndr@bu.edu
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This makes it simple to swap the transport functions for qtest commands
to and from the qtest client. For example, now it is possible to
directly pass qtest commands to a server handler that exists within the
same process, without the standard way of writing to a file descriptor.
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-id: 20200220041118.23264-7-alxndr@bu.edu
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Considering that legacy "mem" option is deprecated, use memdev
in tests and add an additional test for legacy "mem" option
on old machine type, to make sure it won't regress in the future.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20200219160953.13771-80-imammedo@redhat.com>
Use GString to pass argument to make_cli() so that it would be easy
to dynamically change test case arguments from main(). The follow up
patch will use it to change RAM size options depending on target.
While at it cleanup 'cli' freeing, using g_autofree annotation.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20200219160953.13771-79-imammedo@redhat.com>
misc.json contains definitions that are related to the system emulator,
so it can't be used for other tools like the storage daemon. This patch
moves basic functionality that is shared between all tools (and mostly
related to the monitor itself) into a new control.json, which could be
used in tools as well.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200129102239.31435-3-kwolf@redhat.com>
[Commit message tweaked]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
There's an assert in autoconverge that checks that we quit the
iteration when we go below the expected threshold. Philippe
saw a case where this assert fired with the measured value
slightly over the threshold. (about 3k out of a few million).
I can think of two reasons:
a) Rounding errors
b) That after we make the decision to quit iteration we do one
more sync and that sees a few more dirty pages.
So add 1% slack to the assertion, that should cover a and
most cases of b, probably all we'll see for the test.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
The first readdir test simply checks the amount of directory
entries returned by 9pfs server, according to the created amount
of virtual files on 9pfs synth driver side. Then the subsequent
readdir test also checks whether all directory entries have the
expected file names (as created on 9pfs synth driver side),
ignoring their precise order in result list though.
Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Message-Id: <e0b4402722a877178f8fb6a8ad7b64bb20150613.1579567020.git.qemu_oss@crudebyte.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Greg Kurz <groug@kaod.org>
