Commit Graph

330 Commits

Author SHA1 Message Date
Shameer Kolothum
e302bb3da6 tests/acpi: add expected tables for bios-tables-test
Because of the following changes, the expeacted tables for bios-tables-test
needs to be updated.

1. Changed NVDIM DSM output buffer AML code.
2. Updated arm/virt test_acpi_virt_tcg_memhp() to add pc-dimm/nvdimm

Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Message-Id: <20200421125934.14952-8-shameerali.kolothum.thodi@huawei.com>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-05-04 10:25:03 -04:00
Shameer Kolothum
62293b4f58 bios-tables-test: test pc-dimm and nvdimm coldplug for arm/virt
Since we now have both pc-dimm and nvdimm support, update
test_acpi_virt_tcg_memhp() to include those.

Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Message-Id: <20200421125934.14952-7-shameerali.kolothum.thodi@huawei.com>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-05-04 10:25:02 -04:00
Shameer Kolothum
122752d267 tests: Update ACPI tables list for upcoming arm/virt test changes
This is in preparation to update test_acpi_virt_tcg_memhp()
with pc-dimm and nvdimm. Update the bios-tables-test-allowed-diff.h
with the affected ACPI tables so that "make check" doesn't fail.

Also add empty files for new tables required for new test.

Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Message-Id: <20200421125934.14952-6-shameerali.kolothum.thodi@huawei.com>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-05-04 10:25:02 -04:00
Shameer Kolothum
71b0269ae9 hw/acpi/nvdimm: Fix for NVDIMM incorrect DSM output buffer length
As per ACPI spec 6.3, Table 19-419 Object Conversion Rules, if
the Buffer Field <= to the size of an Integer (in bits), it will
be treated as an integer. Moreover, the integer size depends on
DSDT tables revision number. If revision number is < 2, integer
size is 32 bits, otherwise it is 64 bits. Current NVDIMM common
DSM aml code (NCAL) uses CreateField() for creating DSM output
buffer. This creates an issue in arm/virt platform where DSDT
revision number is 2 and results in DSM buffer with a wrong
size(8 bytes) gets returned when actual length is < 8 bytes.
This causes guest kernel to report,

"nfit ACPI0012:00: found a zero length table '0' parsing nfit"

In order to fix this, aml code is now modified such that it builds
the DSM output buffer in a byte by byte fashion when length is
smaller than Integer size.

Suggested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200421125934.14952-2-shameerali.kolothum.thodi@huawei.com>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-05-04 10:25:02 -04:00
Michael S. Tsirkin
e3a99063af acpi: DSDT without _STA
commit f6595976e699 ("acpi: drop pointless _STA method") replaced
_STA method with simple name object. Update DSDT accordingly.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-05-04 10:25:02 -04:00
Gerd Hoffmann
9604980303 qtest: allow DSDT acpi table changes
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20200429140003.7336-4-kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-05-04 10:25:02 -04:00
Markus Armbruster
f6528054f2 libqos: Give get_machine_allocator() internal linkage
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200424071142.3525-4-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2020-04-29 08:01:52 +02:00
Markus Armbruster
a56f3cdbdf fuzz: Simplify how we compute available machines and types
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>
2020-04-29 08:01:52 +02:00
Igor Mammedov
e43651ff88 tests: numa: test one backend with prealloc enabled
Cannibalize one backend in the HMAT test to make sure that
prealloc=y is tested.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200325094423.24293-3-imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-04-14 10:35:44 -04:00
Olaf Hering
9a709f06c8 piix: fix xenfv regression, add compat machine xenfv-4.2
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>
2020-04-11 08:49:11 -04:00
Li Qiang
1153cf9f5b qtest: add tulip test case
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>
2020-03-31 21:14:35 +08:00
Philippe Mathieu-Daudé
6d1da867e6 tests/migration: Reduce autoconverge initial bandwidth
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>
2020-03-25 12:31:38 +00:00
Yoshinori Sato
c8c35e5f51 Add rx-softmmu
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
[PMD: Squashed patches from Richard Henderson modifying
      qapi/common.json and tests/machine-none-test.c]
Message-Id: <20200224141923.82118-21-ysato@users.sourceforge.jp>
[PMD: Added @since 5.0 tag in SysEmuTarget]
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2020-03-19 17:58:05 +01:00
Peter Maydell
ce73691e25 Pull request
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Merge remote-tracking branch 'remotes/jnsnow/tags/ide-pull-request' into staging

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>
2020-03-19 11:14:24 +00:00
Peter Maydell
cf4b64406c Error reporting patches for 2020-03-17
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Merge remote-tracking branch 'remotes/armbru/tags/pull-error-2020-03-17' into staging

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>
2020-03-18 17:57:40 +00:00
Peter Maydell
b319df5537 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
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-5.0-20200317' into staging

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>
2020-03-18 15:07:57 +00:00
Markus Armbruster
20ac582d0c Use &error_abort instead of separate assert()
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200313170517.22480-2-armbru@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
[Unused Error *variable deleted]
2020-03-17 16:05:40 +01:00
Markus Armbruster
6e9d611a1b hd-geo-test: Clean up use of buf[] in create_qcow2_with_mbr()
valgrind reports write unitialized bytes from buf[].  Clear them.

ASan reports we store to misaligned address in buf[].  Use stl_le_p()
for that.

Cc: Sam Eiderman <shmuel.eiderman@oracle.com>
Cc: John Snow <jsnow@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20200317092354.31831-1-armbru@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2020-03-17 10:23:14 -04:00
Nicholas Piggin
89ba45652b ppc/spapr: Allow FWNMI on TCG
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>
2020-03-17 17:00:22 +11:00
Nicholas Piggin
8af7e1fe6f ppc/spapr: Change FWNMI names
The option is called "FWNMI", and it involves more than just machine
checks, also machine checks can be delivered without the FWNMI option,
so re-name various things to reflect that.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20200316142613.121089-3-npiggin@gmail.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-03-17 17:00:22 +11:00
Philippe Mathieu-Daudé
f7795e4096 misc: Replace zero-length arrays with flexible array member (automatic)
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>
2020-03-16 22:07:42 +01:00
Peter Maydell
49780a582d Block layer patches:
- Relax restrictions for blockdev-snapshot (allows libvirt to do live
   storage migration with blockdev-mirror)
 - luks: Delete created files when block_crypto_co_create_opts_luks fails
 - Fix memleaks in qmp_object_add
 -----BEGIN PGP SIGNATURE-----
 
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 =ociU
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block layer patches:

- Relax restrictions for blockdev-snapshot (allows libvirt to do live
  storage migration with blockdev-mirror)
- luks: Delete created files when block_crypto_co_create_opts_luks fails
- Fix memleaks in qmp_object_add

# gpg: Signature made Wed 11 Mar 2020 15:38:59 GMT
# gpg:                using RSA key 7F09B272C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74  56FE 7F09 B272 C88F 2FD6

* remotes/kevin/tags/for-upstream:
  qemu-iotests: adding LUKS cleanup for non-UTF8 secret error
  crypto.c: cleanup created file when block_crypto_co_create_opts_luks fails
  block.c: adding bdrv_co_delete_file
  block: introducing 'bdrv_co_delete_file' interface
  tests/qemu-iotests: Fix socket_scm_helper build path
  qapi: Add '@allow-write-only-overlay' feature for 'blockdev-snapshot'
  iotests: Add iothread cases to 155
  block: Fix cross-AioContext blockdev-snapshot
  iotests: Test mirror with temporarily disabled target backing file
  iotests: Fix run_job() with use_log=False
  block: Relax restrictions for blockdev-snapshot
  block: Make bdrv_get_cumulative_perm() public
  qom-qmp-cmds: fix two memleaks in qmp_object_add

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-03-12 16:51:26 +00:00
Peter Maydell
d46f81cb74 tests: Disable dbus-vmstate-test
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
2020-03-12 13:49:11 +00:00
Philippe Mathieu-Daudé
6e1da96b94 tests/qemu-iotests: Fix socket_scm_helper build path
The socket_scm_helper path got corrupted during the mechanical
refactor moving the qtests files into their own sub-directory.

Fixes: 1e8a1fae7 ("test: Move qtests to a separate directory")
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200306165751.18986-1-philmd@redhat.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2020-03-11 15:54:38 +01:00
Alexander Bulekov
3fc92f8752 qtest: fix fuzzer-related 80-char limit violations
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-id: 20200227031439.31386-3-alxndr@bu.edu
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-03-06 10:33:26 +00:00
Alexander Bulekov
2f36421c34 fuzz: fix style/typos in linker-script comments
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-id: 20200227031439.31386-2-alxndr@bu.edu
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-03-06 10:33:26 +00:00
Eric Auger
fe985ed683 test: tpm-tis: Add Sysbus TPM-TIS device test
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>
2020-03-05 12:18:47 -05:00
Eric Auger
5166c32617 test: tpm-tis: Get prepared to share tests between ISA and sysbus devices
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>
2020-03-05 12:18:39 -05:00
Eric Auger
551cabdfa9 test: tpm: pass optional machine options to swtpm test functions
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>
2020-03-05 12:18:33 -05:00
Eric Auger
2e8f7675b5 tpm: Separate TPM_TIS and TPM_TIS_ISA configs
Let's separate the compilation of tpm_tis_common.c from
the compilation of tpm_tis_isa.c

The common part will be also compiled along with the
tpm_tis_sysbus device.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Message-id: 20200305165149.618-5-eric.auger@redhat.com
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
2020-03-05 12:18:00 -05:00
Juan Quintela
87dc6f5f66 multifd: Add zstd compression multifd support
Signed-off-by: Juan Quintela <quintela@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-02-28 09:25:49 +01:00
Juan Quintela
7ec2c2b3c1 multifd: Add zlib compression multifd support
Signed-off-by: Juan Quintela <quintela@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-02-28 09:24:43 +01:00
Juan Quintela
96eef04238 multifd: Add multifd-compression parameter
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
2020-02-28 09:24:43 +01:00
Peter Maydell
8b6b68e05b virtio, pc: fixes, features
New virtio iommu.
 Unrealize memory leaks.
 In-band kick/call support.
 Bugfixes, documentation all over the place.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
 -----BEGIN PGP SIGNATURE-----
 
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 =ue55
 -----END PGP SIGNATURE-----

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

virtio, pc: fixes, features

New virtio iommu.
Unrealize memory leaks.
In-band kick/call support.
Bugfixes, documentation all over the place.

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

# gpg: Signature made Thu 27 Feb 2020 08:46:33 GMT
# 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: (30 commits)
  Fixed assert in vhost_user_set_mem_table_postcopy
  vhost-user: only set slave channel for first vq
  acpi: cpuhp: document CPHP_GET_CPU_ID_CMD command
  libvhost-user: implement in-band notifications
  docs: vhost-user: add in-band kick/call messages
  libvhost-user: handle NOFD flag in call/kick/err better
  libvhost-user-glib: use g_main_context_get_thread_default()
  libvhost-user-glib: fix VugDev main fd cleanup
  libvhost-user: implement VHOST_USER_PROTOCOL_F_REPLY_ACK
  MAINTAINERS: add virtio-iommu related files
  hw/arm/virt: Add the virtio-iommu device tree mappings
  virtio-iommu-pci: Add virtio iommu pci support
  virtio-iommu: Support migration
  virtio-iommu: Implement fault reporting
  virtio-iommu: Implement translate
  virtio-iommu: Implement map/unmap
  virtio-iommu: Implement attach/detach command
  virtio-iommu: Decode the command payload
  virtio-iommu: Add skeleton
  virtio: gracefully handle invalid region caches
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-02-27 19:15:15 +00:00
Michael S. Tsirkin
34b1429ca9 bios-tables-test: default diff command
Most people probably just want diff -u. So let's use that
as the default.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-02-25 08:23:18 -05:00
Michael S. Tsirkin
c01e905f3a bios-tables-test: fix up DIFF generation
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>
2020-02-25 08:23:18 -05:00
Michael S. Tsirkin
a7b4384fef bios-tables-test: tell people how to update
For now just a pointer to the source file.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2020-02-25 08:23:18 -05:00
Paolo Bonzini
ca6155c0f2 Merge tag 'patchew/20200219160953.13771-1-imammedo@redhat.com' of https://github.com/patchew-project/qemu into HEAD
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.
2020-02-25 09:19:00 +01:00
Alexander Bulekov
472a07a6e2 fuzz: add virtio-scsi fuzz target
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>
2020-02-22 08:26:48 +00:00
Alexander Bulekov
b1db8c6316 fuzz: add virtio-net fuzz target
The virtio-net fuzz target feeds inputs to all three virtio-net
virtqueues, and uses forking to avoid leaking state between fuzz runs.

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: 20200220041118.23264-21-alxndr@bu.edu
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-02-22 08:26:48 +00:00
Alexander Bulekov
04f713242d fuzz: add i440fx fuzz targets
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>
2020-02-22 08:26:48 +00:00
Alexander Bulekov
275ab39d86 fuzz: add support for qos-assisted 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: 20200220041118.23264-17-alxndr@bu.edu
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-02-22 08:26:48 +00:00
Alexander Bulekov
cb06fdad05 fuzz: support for fork-based fuzzing.
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>
2020-02-22 08:26:48 +00:00
Alexander Bulekov
5f6fd09a97 fuzz: add fuzzer skeleton
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>
2020-02-22 08:26:48 +00:00
Alexander Bulekov
f62a0bff6a libqos: move useful qos-test funcs to qos_external
The moved functions are not specific to qos-test and might be useful
elsewhere. For example the virtual-device fuzzer makes use of them for
qos-assisted fuzz-targets.

Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-id: 20200220041118.23264-12-alxndr@bu.edu
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-02-22 08:26:48 +00:00
Alexander Bulekov
92ecf9be90 libqos: split qos-test and libqos makefile vars
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>
2020-02-22 08:26:48 +00:00
Alexander Bulekov
39397a9a76 libqos: rename i2c_send and i2c_recv
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>
2020-02-22 08:26:48 +00:00
Alexander Bulekov
ca5d464151 libqtest: make bufwrite rely on the TransportOps
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>
2020-02-22 08:26:47 +00:00
Alexander Bulekov
075334810b libqtest: add a layer of abstraction to send/recv
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>
2020-02-22 08:26:47 +00:00
Igor Mammedov
9584b56419 tests:numa-test: use explicit memdev to specify node RAM
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>
2020-02-19 16:50:02 +00:00
Igor Mammedov
786ed5c497 tests/numa-test: make top level args dynamic and g_autofree(cli) cleanups
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>
2020-02-19 16:50:02 +00:00
Philippe Mathieu-Daudé
58bcdda915 tests/qtest/libqos/qgraph: Remove superfluous semicolons
Fixes: fc281c8020
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20200218094402.26625-13-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-02-18 20:20:49 +01:00
Kevin Wolf
fa4dcf577e qapi: Split control.json off misc.json
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>
2020-02-17 13:53:47 +01:00
Pan Nengyuan
e022d47388 migration-test: fix some memleaks in migration-test
spotted by asan, 'check-qtest-aarch64' runs fail if sanitizers is enabled.

Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Pan Nengyuan <pannengyuan@huawei.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2020-02-13 11:28:54 +01:00
Dr. David Alan Gilbert
6e1f837a14 tests/migration: Add some slack to auto converge
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>
2020-02-13 10:57:35 +01:00
Christian Schoenebeck
4829469fd9 tests/virtio-9p: added readdir test
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>
2020-02-08 09:29:04 +01:00
Christian Schoenebeck
2e2293c238 tests/virtio-9p: add terminating null in v9fs_string_read()
The 9p protocol sends strings in general without null termination
over the wire. However for future use of this functions it is
beneficial for the delivered string to be null terminated though
for being able to use the string with standard C functions which
often rely on strings being null terminated.

Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Message-Id: <52c84e2ce3bcafc2a38eed13b8c8e23bc1a8ecb9.1579567019.git.qemu_oss@crudebyte.com>
Signed-off-by: Greg Kurz <groug@kaod.org>
2020-02-08 09:24:19 +01:00
Heyi Guo
c66e8ab0e3 tests/qtest: update comments about bios-tables-test-allowed-diff.h
Update comments in tests/qtest/bios-tables-test.c to reflect the
current path of bios-tables-test-allowed-diff.h, which is now under
tests/qtest/ as well.

Signed-off-by: Heyi Guo <guoheyi@huawei.com>
Message-Id: <20200202110009.51479-1-guoheyi@huawei.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-02-04 09:00:57 +01:00
Pan Nengyuan
77c24259b6 boot-order-test: fix memleaks in boot-order-test
It's not a big deal, but 'check qtest-ppc/ppc64' runs fail if sanitizers is enabled.
The memory leak stack is as follow:

Direct leak of 128 byte(s) in 4 object(s) allocated from:
    #0 0x7f11756f5970 in __interceptor_calloc (/lib64/libasan.so.5+0xef970)
    #1 0x7f1174f2549d in g_malloc0 (/lib64/libglib-2.0.so.0+0x5249d)
    #2 0x556af05aa7da in mm_fw_cfg_init /mnt/sdb/qemu/tests/libqos/fw_cfg.c:119
    #3 0x556af059f4f5 in read_boot_order_pmac /mnt/sdb/qemu/tests/boot-order-test.c:137
    #4 0x556af059efe2 in test_a_boot_order /mnt/sdb/qemu/tests/boot-order-test.c:47
    #5 0x556af059f2c0 in test_boot_orders /mnt/sdb/qemu/tests/boot-order-test.c:59
    #6 0x556af059f52d in test_pmac_oldworld_boot_order /mnt/sdb/qemu/tests/boot-order-test.c:152
    #7 0x7f1174f46cb9  (/lib64/libglib-2.0.so.0+0x73cb9)
    #8 0x7f1174f46b73  (/lib64/libglib-2.0.so.0+0x73b73)
    #9 0x7f1174f46b73  (/lib64/libglib-2.0.so.0+0x73b73)
    #10 0x7f1174f46f71 in g_test_run_suite (/lib64/libglib-2.0.so.0+0x73f71)
    #11 0x7f1174f46f94 in g_test_run (/lib64/libglib-2.0.so.0+0x73f94)

Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Pan Nengyuan <pannengyuan@huawei.com>
Message-Id: <20200203025935.36228-1-pannengyuan@huawei.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-02-04 09:00:57 +01:00
Dr. David Alan Gilbert
4eb387267e tests/vhost-user-bridge: Fix build
vhost-user-bridge isn't actually a test, it's just a helper
(that should probably move somewhere else) - but the build was
broken in the qtest move.

Fixes: 833884f37a
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20200117122648.137862-1-dgilbert@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-02-04 09:00:57 +01:00
Greg Kurz
63d57c8f91 tests: Silence various warnings with pseries
Some default features of the pseries machine are only available with
KVM. Warnings are printed when the pseries machine is used with another
accelerator:

qemu-system-ppc64: warning: TCG doesn't support requested feature,
cap-ccf-assist=on
qemu-system-ppc64: warning: Firmware Assisted Non-Maskable
Interrupts(FWNMI) not supported in TCG
qemu-system-ppc64: warning: TCG doesn't support requested feature,
cap-ccf-assist=on
qemu-system-ppc64: warning: Firmware Assisted Non-Maskable
Interrupts(FWNMI) not supported in TCG
qemu-system-ppc64: warning: TCG doesn't support requested feature,
cap-ccf-assist=on
qemu-system-ppc64: warning: Firmware Assisted Non-Maskable
Interrupts(FWNMI) not supported in TCG

This is annoying for CI since it usually runs without KVM. We already
disable features that emit similar warnings thanks to properties of
the pseries machine, but this is open-coded in various
places. Consolidate the set of properties in a single place. Extend it
to silence the above warnings. And use it in the various tests that
start pseries machines.

Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <158059697130.1820292.7823434132030453110.stgit@bahia.lan>
Reviewed-by: Thomas Huth <thuth@redhat.com>
[dwg: Correct minor grammatical error]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-02-03 11:33:11 +11:00
Thomas Huth
b2ce76a073 hw/ppc/prep: Remove the deprecated "prep" machine and the OpenHackware BIOS
It's been deprecated since QEMU v3.1. The 40p machine should be
used nowadays instead.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20200114114617.28854-1-thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2020-02-02 14:07:57 +11:00
Andrew Jones
dea101a1ae target/arm/cpu: Add the kvm-no-adjvtime CPU property
kvm-no-adjvtime is a KVM specific CPU property and a first of its
kind. To accommodate it we also add kvm_arm_add_vcpu_properties()
and a KVM specific CPU properties description to the CPU features
document.

Signed-off-by: Andrew Jones <drjones@redhat.com>
Message-id: 20200120101023.16030-7-drjones@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-30 16:02:06 +00:00
Andrew Jones
789a35efb5 tests/arm-cpu-features: Check feature default values
If we know what the default value should be then we can test for
that as well as the feature existence.

Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200120101023.16030-5-drjones@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-30 16:02:06 +00:00
Peter Maydell
b7382e9e92 Migration pull request
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Merge remote-tracking branch 'remotes/juanquintela/tags/pull-migration-pull-request' into staging

Migration pull request

# gpg: Signature made Wed 29 Jan 2020 10:57:23 GMT
# gpg:                using RSA key 1899FF8EDEBF58CCEE034B82F487EF185872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>" [full]
# gpg:                 aka "Juan Quintela <quintela@trasno.org>" [full]
# Primary key fingerprint: 1899 FF8E DEBF 58CC EE03  4B82 F487 EF18 5872 D723

* remotes/juanquintela/tags/pull-migration-pull-request:
  migration/compress: compress QEMUFile is not writable
  migration: Simplify get_qlist
  multifd: Split multifd code into its own file
  multifd: Make multifd_load_setup() get an Error parameter
  multifd: Make multifd_save_setup() get an Error parameter
  migration: Make checkpatch happy with comments
  multifd: Use qemu_target_page_size()
  multifd: multifd_send_sync_main only needs the qemufile
  multifd: multifd_queue_page only needs the qemufile
  multifd: multifd_send_pages only needs the qemufile
  ram_addr: Split RAMBlock definition
  migration/multifd: fix nullptr access in multifd_send_terminate_threads
  migration: Create migration_is_running()
  migration-test: Make sure that multifd and cancel works
  migration: Don't send data if we have stopped
  qemu-file: Don't do IO after shutdown
  multifd: Make sure that we don't do any IO after an error
  migration-test: Use g_free() instead of free()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-30 11:43:21 +00:00
Juan Quintela
d795f47466 migration-test: Make sure that multifd and cancel works
Test that this sequence works:

- launch source
- launch target
- start migration
- cancel migration
- relaunch target
- do migration again

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2020-01-29 11:28:59 +01:00
Juan Quintela
334d15d504 migration-test: Use g_free() instead of free()
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2020-01-29 11:28:59 +01:00
Peter Maydell
bddff6f678 Pull request
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Merge remote-tracking branch 'remotes/jnsnow/tags/ide-pull-request' into staging

Pull request

# gpg: Signature made Tue 28 Jan 2020 01:05:19 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:
  tests/ide-test: Create a single unit-test covering more PRDT cases
  ide: Fix incorrect handling of some PRDTs in ide_dma_cb()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-28 17:09:36 +00:00
Alexander Popov
59805ae92d tests/ide-test: Create a single unit-test covering more PRDT cases
Fuzzing the Linux kernel with syzkaller allowed to find how to crash qemu
using a special SCSI_IOCTL_SEND_COMMAND. It hits the assertion in
ide_dma_cb() introduced in the commit a718978ed5 in July 2015.
Currently this bug is not reproduced by the unit tests.

Let's improve the ide-test to cover more PRDT cases including one
that causes this particular qemu crash.

The test is developed according to the Programming Interface for
Bus Master IDE Controller (Revision 1.0 5/16/94).

Signed-off-by: Alexander Popov <alex.popov@linux.com>
Message-id: 20191223175117.508990-3-alex.popov@linux.com
Signed-off-by: John Snow <jsnow@redhat.com>
2020-01-27 17:07:31 -05:00
Sven Schnelle
4765384ce3 hppa: Add emulation of Artist graphics
This adds emulation of Artist graphics good enough to get a text
console on both Linux and HP-UX. The X11 server from HP-UX also works.

Adjust boot-serial-test to disable graphics, so that SeaBIOS outputs
to the serial port, as expected by the test.

Signed-off-by: Sven Schnelle <svens@stackframe.org>
Message-Id: <20191220211512.3289-6-svens@stackframe.org>
[rth: Merge Helge's test for machine->enable_graphics]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-01-27 10:49:51 -08:00
Michael S. Tsirkin
3c2ab5593b bios-tables-test: document expected file update
Document the flow for the case where contributor
updates the expected files.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-01-22 00:23:07 -05:00
Igor Mammedov
0cdd3eae15 tests: q35: MCH: add default SMBASE SMRAM lock test
test lockable SMRAM at default SMBASE feature, introduced by
patch "q35: implement 128K SMRAM at default SMBASE address"

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <1575899217-333105-1-git-send-email-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-01-22 00:23:07 -05:00
Juan Quintela
6a22c5444c migration-test: introduce functions to handle string parameters
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2020-01-20 09:10:22 +01:00
Juan Quintela
b99784ef6c migration-test: Add migration multifd test
We set multifd-channels.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Tested-by: Wei Yang <richardw.yang@linux.intel.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2020-01-20 09:10:22 +01:00
Thomas Huth
99fd3178a0 tests/qtest/vhost-user-test: Fix memory leaks
Do not allocate resources in case we return early, and make sure
to free dest_cmdline at the end.

Reported-by: Euler Robot <euler.robot@huawei.com>
Reported-by: Pan Nengyuan <pannengyuan@huawei.com>
Message-Id: <20200116140736.9498-1-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-01-16 17:01:25 +01:00
Laurent Vivier
16c5c6928f migration-test: ppc64: fix FORTH test program
Commit e51e711b1b has moved the initialization of start_address and
end_address after the definition of the command line argument,
where the nvramrc is initialized, and thus the loop is between 0 and 0
rather than 1 MiB and 100 MiB.

It doesn't affect the result of the test if all the tests are run in
sequence because the two first tests don't run the loop, so the
values are correctly initialized when we actually need them.

But it hangs when we ask to run only one test, for instance:

    QTEST_QEMU_BINARY=ppc64-softmmu/qemu-system-ppc64 \
    tests/migration-test -m=quick -p /ppc64/migration/validate_uuid_error

Fixes: e51e711b1b ("tests/migration: Add migration-test header file")
Cc: wei@redhat.com
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Message-Id: <20200107163437.52139-1-lvivier@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-01-16 16:53:33 +01:00
Peter Maydell
981c9b88e6 * Move qtests into a separate directory
* Build index.html for docs
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Merge remote-tracking branch 'remotes/huth-gitlab/tags/pull-request-2020-01-12' into staging

* Move qtests into a separate directory
* Build index.html for docs

# gpg: Signature made Sun 12 Jan 2020 11:21:41 GMT
# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* remotes/huth-gitlab/tags/pull-request-2020-01-12:
  docs: build an index page for the HTML docs
  tests/libqos: Move the libqos files under tests/qtest/
  tests/Makefile: Move qtest-related settings to a separate Makefile.include
  test: Move qtests to a separate directory
  tests/Makefile: Separate unit test dependencies from qtest dependencies
  tests/Makefile: Remove 'tests/' and '$(EXESUF)' from the check-qtest variables
  tests/ptimer: Remove unnecessary inclusion of libqtest.h
  tests/Makefile: test-char does not need libqtest

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-13 13:06:49 +00:00
Thomas Huth
1cf4323ecd tests/libqos: Move the libqos files under tests/qtest/
The qos stuff belongs to qtest, so move it into that directory, too.

Message-Id: <20191218103059.11729-8-thuth@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-01-12 11:42:41 +01:00
Thomas Huth
833884f37a tests/Makefile: Move qtest-related settings to a separate Makefile.include
tests/Makefile.include is pretty much overcrowded. Now that we have a
dedicated folder for the qtests, let's move the related settings
to a Makefile.include file in that directory instead.

Message-Id: <20191218103059.11729-7-thuth@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-01-12 11:42:41 +01:00
Thomas Huth
1e8a1fae74 test: Move qtests to a separate directory
The tests directory itself is pretty overcrowded, and it's hard to
see which test belongs to which test subsystem (unit, qtest, ...).
Let's move the qtests to a separate folder for more clarity.

Message-Id: <20191218103059.11729-6-thuth@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-01-12 11:42:41 +01:00