We no longer use rand() within linux-user.
Reviewed-by: NLaurent Vivier <lvivier@redhat.com>
Reviewed-by: NPhilippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: NRichard Henderson <richard.henderson@linaro.org>

Use a better interface for random numbers than rand() * 3.
Reviewed-by: NLaurent Vivier <lvivier@redhat.com>
Reviewed-by: NPhilippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: NRichard Henderson <richard.henderson@linaro.org>

Use a better interface for random numbers than rand * 16.
Reviewed-by: NLaurent Vivier <lvivier@redhat.com>
Reviewed-by: NPhilippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: NRichard Henderson <richard.henderson@linaro.org>

When not using -seed, we will use the crypto subsystem
for random numbers.
Reviewed-by: NLaurent Vivier <lvivier@redhat.com>
Reviewed-by: NPhilippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: NRichard Henderson <richard.henderson@linaro.org>

When the -seed option is given, call qemu_guest_random_seed_main,
putting the subsystem into deterministic mode.  Pass derived seeds
to each cpu created during clone; which is a no-op unless the
subsystem is in deterministic mode.
Reviewed-by: NLaurent Vivier <lvivier@redhat.com>
Reviewed-by: NPhilippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: NRichard Henderson <richard.henderson@linaro.org>

When the -seed option is given, call qemu_guest_random_seed_main,
putting the subsystem into deterministic mode.  Pass derived seeds
to each cpu created; which is a no-op unless the subsystem is in
deterministic mode.
Reviewed-by: NLaurent Vivier <lvivier@redhat.com>
Reviewed-by: NPhilippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: NDaniel P. Berrangé <berrange@redhat.com>
Signed-off-by: NRichard Henderson <richard.henderson@linaro.org>

This routine is intended to produce high-quality random numbers to the
guest.  Normally, such numbers are crypto quality from the host, but a
command-line option can force the use of a fully deterministic sequence
for use while debugging.
Reviewed-by: NLaurent Vivier <lvivier@redhat.com>
Reviewed-by: NPhilippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: NDaniel P. Berrangé <berrange@redhat.com>
Signed-off-by: NRichard Henderson <richard.henderson@linaro.org>

Use a better interface for random numbers than rand().
Fail gracefully if for some reason we cannot use the crypto system.
Reviewed-by: NPhilippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: NGerd Hoffmann <kraxel@redhat.com>
Reviewed-by: NDaniel P. Berrangé <berrange@redhat.com>
Signed-off-by: NRichard Henderson <richard.henderson@linaro.org>

There were 3 copies of this code, one of which used the wrong
data size for the failure indicator.
Reviewed-by: NLaurent Vivier <lvivier@redhat.com>
Reviewed-by: NPhilippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: NGerd Hoffmann <kraxel@redhat.com>
Reviewed-by: NDaniel P. Berrangé <berrange@redhat.com>
Signed-off-by: NRichard Henderson <richard.henderson@linaro.org>

Using uint8_t* merely requires useless casts for use with
other types to be filled with randomness.
Reviewed-by: NLaurent Vivier <lvivier@redhat.com>
Reviewed-by: NPhilippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: NDaniel P. Berrangé <berrange@redhat.com>
Signed-off-by: NRichard Henderson <richard.henderson@linaro.org>

Prefer it to direct use of /dev/urandom.
Reviewed-by: NLaurent Vivier <lvivier@redhat.com>
Reviewed-by: NDaniel P. Berrangé <berrange@redhat.com>
Signed-off-by: NRichard Henderson <richard.henderson@linaro.org>

Avoids leaking the /dev/urandom fd into any child processes.
Reviewed-by: NLaurent Vivier <lvivier@redhat.com>
Reviewed-by: NPhilippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: NDaniel P. Berrangé <berrange@redhat.com>
Signed-off-by: NRichard Henderson <richard.henderson@linaro.org>

We can always get EINTR for read; /dev/urandom is no exception.

Rearrange the order of tests for likelihood; allow degenerate buflen==0
case to perform a no-op zero-length read.  This means that the normal
success path is a straight line with a single test for success.
Reviewed-by: NLaurent Vivier <lvivier@redhat.com>
Reviewed-by: NDaniel P. Berrangé <berrange@redhat.com>
Signed-off-by: NRichard Henderson <richard.henderson@linaro.org>

Use #ifdef _WIN32 instead of #ifndef _WIN32.
This will make other tests easier to sequence.
Reviewed-by: NLaurent Vivier <lvivier@redhat.com>
Reviewed-by: NPhilippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: NDaniel P. Berrangé <berrange@redhat.com>
Signed-off-by: NRichard Henderson <richard.henderson@linaro.org>

For user-only, we require only the random number bits of the
crypto subsystem.  Rename crypto-aes-obj-y to crypto-user-obj-y,
and add the random number objects, plus init.o to handle any
extra stuff the crypto library requires.

Move the crypto libraries from libs_softmmu and libs_tools to
LIBS, so that they are universally used.
Reviewed-by: NDaniel P. Berrangé <berrange@redhat.com>
Signed-off-by: NRichard Henderson <richard.henderson@linaro.org>

At least ubuntu 18.04 does not package static gnutls libraries.
At least Fedora 30 does not ship static nettle and gcrypt libraries.
Reviewed-by: NDaniel P. Berrangé <berrange@redhat.com>
Reviewed-by: NLaurent Vivier <lvivier@redhat.com>
Tested-by: NLaurent Vivier <lvivier@redhat.com>
Message-Id: <20190510012458.22706-2-richard.henderson@linaro.org>
Signed-off-by: NRichard Henderson <richard.henderson@linaro.org>

s390x update:
- have the bios tolerate bootmap signature entries
- next chunk of vector instruction support in tcg
- a headers update against Linux 5.2-rc1
- add more facilities and gen15 machines to the cpu model

# gpg: Signature made Tue 21 May 2019 16:09:35 BST
# gpg:                using RSA key C3D0D66DC3624FF6A8C018CEDECF6B93C6F02FAF
# gpg:                issuer "cohuck@redhat.com"
# gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>" [unknown]
# gpg:                 aka "Cornelia Huck <huckc@linux.vnet.ibm.com>" [full]
# gpg:                 aka "Cornelia Huck <cornelia.huck@de.ibm.com>" [full]
# gpg:                 aka "Cornelia Huck <cohuck@kernel.org>" [unknown]
# gpg:                 aka "Cornelia Huck <cohuck@redhat.com>" [unknown]
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0  18CE DECF 6B93 C6F0 2FAF

* remotes/cohuck/tags/s390x-20190521-3: (55 commits)
  s390x/cpumodel: wire up 8561 and 8562 as gen15 machines
  s390x/cpumodel: add gen15 defintions
  s390x/cpumodel: add Deflate-conversion facility
  s390x/cpumodel: enhanced sort facility
  s390x/cpumodel: vector enhancements
  s390x/cpumodel: msa9 facility
  s390x/cpumodel: Miscellaneous-Instruction-Extensions Facility 3
  s390x/cpumodel: ignore csske for expansion
  linux headers: update against Linux 5.2-rc1
  update-linux-headers: handle new header file
  s390x/tcg: Implement VECTOR TEST UNDER MASK
  s390x/tcg: Implement VECTOR SUM ACROSS WORD
  s390x/tcg: Implement VECTOR SUM ACROSS QUADWORD
  s390x/tcg: Implement VECTOR SUM ACROSS DOUBLEWORD
  s390x/tcg: Implement VECTOR SUBTRACT WITH BORROW COMPUTE BORROW INDICATION
  s390x/tcg: Implement VECTOR SUBTRACT WITH BORROW INDICATION
  s390x/tcg: Implement VECTOR SUBTRACT COMPUTE BORROW INDICATION
  s390x/tcg: Implement VECTOR SUBTRACT
  s390x/tcg: Implement VECTOR SHIFT RIGHT LOGICAL *
  s390x/tcg: Implement VECTOR SHIFT RIGHT ARITHMETIC
  ...
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

8561 and 8562 will be gen15 machines. There is no name yet, let us use
gen15a and gen15b as base name. Later on we can provide aliases with
the proper name.
Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com>
Message-Id: <20190429090250.7648-10-borntraeger@de.ibm.com>
Reviewed-by: NDavid Hildenbrand <david@redhat.com>
Signed-off-by: NCornelia Huck <cohuck@redhat.com>

add several new features (msa9, sort, deflate, additional vector
instructions, new general purpose instructions) to generation 15.

Also disable csske and bpb from the default and base models >=15.
This will allow to migrate gen15 machines to future machines that
do not have these features.
Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com>
Message-Id: <20190429090250.7648-9-borntraeger@de.ibm.com>
Reviewed-by: NDavid Hildenbrand <david@redhat.com>
Signed-off-by: NCornelia Huck <cohuck@redhat.com>

add the deflate conversion facility.
Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com>
Message-Id: <20190429090250.7648-8-borntraeger@de.ibm.com>
Reviewed-by: NDavid Hildenbrand <david@redhat.com>
Signed-off-by: NCornelia Huck <cohuck@redhat.com>

add the enhanced sort facility.
Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: NDavid Hildenbrand <david@redhat.com>
Message-Id: <20190429090250.7648-7-borntraeger@de.ibm.com>
Signed-off-by: NCornelia Huck <cohuck@redhat.com>

Add vector enhancements to the cpu model.
Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: NDavid Hildenbrand <david@redhat.com>
Message-Id: <20190429090250.7648-6-borntraeger@de.ibm.com>
Signed-off-by: NCornelia Huck <cohuck@redhat.com>

Provide the MSA9 facility (stfle.155). This also contains pckmo
subfunctions for key wrapping. Keep them in a separate group to disable
those as a block if necessary. This is for example needed when disabling
key wrapping via the HMC.
Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com>
Message-Id: <20190429090250.7648-5-borntraeger@de.ibm.com>
Reviewed-by: NDavid Hildenbrand <david@redhat.com>
Signed-off-by: NCornelia Huck <cohuck@redhat.com>

Provide the "Miscellaneous-Instruction-Extensions Facility 3" via
stfle.61.
Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: NDavid Hildenbrand <david@redhat.com>
Message-Id: <20190429090250.7648-4-borntraeger@de.ibm.com>
Signed-off-by: NCornelia Huck <cohuck@redhat.com>

csske will be removed in a future machine. Ignore it for expanding the
cpu model. Otherwise qemu falls back to z9.
Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com>
Cc: qemu-stable@nongnu.org
Reviewed-by: NDavid Hildenbrand <david@redhat.com>
Message-Id: <20190429090250.7648-3-borntraeger@de.ibm.com>
Signed-off-by: NCornelia Huck <cohuck@redhat.com>

commit a188339ca5a396acc588e5851ed7e19f66b0ebd9
Signed-off-by: NCornelia Huck <cohuck@redhat.com>

We need to copy sve_context.h for aarch64.
Signed-off-by: NCornelia Huck <cohuck@redhat.com>

pci, pc, virtio: features, fixes

reconnect for vhost blk
tests for UEFI
misc other stuff
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Tue 21 May 2019 14:41:32 BST
# gpg:                using RSA key 281F0DB8D28D5469
# 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: (34 commits)
  tests: acpi: print error unable to dump ACPI table during rebuild
  tests: acpi: refactor rebuild-expected-aml.sh to dump ACPI tables for a specified list of targets
  tests: acpi: allow to override default accelerator
  tests: acpi: ignore SMBIOS tests when UEFI firmware is used
  tests: acpi: add a way to start tests with UEFI firmware
  tests: acpi: add acpi_find_rsdp_address_uefi() helper
  tests: acpi: move boot_sector_init() into x86 tests branch
  tests: acpi: skip FACS table if board uses hw reduced ACPI profile
  tests: acpi: fetch X_DSDT if pointer to DSDT is 0
  tests: acpi: make pointer to RSDP 64bit
  tests: acpi: make RSDT test routine handle XSDT
  tests: acpi: make acpi_fetch_table() take size of fetched table pointer
  tests: acpi: rename acpi_parse_rsdp_table() into acpi_fetch_rsdp_table()
  pci: Simplify pci_bus_is_root()
  pcie: Remove redundant test in pcie_mmcfg_data_{read,write}()
  libvhost-user: fix bad vu_log_write
  hw/arm/virt-acpi-build: pass AcpiMcfgInfo to build_mcfg()
  i386, acpi: remove mcfg_ prefix in AcpiMcfgInfo members
  hw/arm/virt-acpi-build: remove unnecessary variable mcfg_start
  do not call vhost_net_cleanup() on running net from char user event
  ...
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

Instead of just asserting print the error that lead to assert first.
While at it move assert into rebuild branch, which removes redundant
check done in case of !rebuild branch is taken (the later is taken
care of by g_assert_no_error).
Signed-off-by: NIgor Mammedov <imammedo@redhat.com>
Reviewed-by: NWei Yang <richardw.yang@linux.intel.com>
Reviewed-by: NPhilippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <1556808723-226478-16-git-send-email-imammedo@redhat.com>
Reviewed-by: NMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>

Make initial list contain x86_64.
Signed-off-by: NIgor Mammedov <imammedo@redhat.com>
Reviewed-by: NPhilippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <1556808723-226478-15-git-send-email-imammedo@redhat.com>
Reviewed-by: NWei Yang <richardw.yang@linux.intel.com>
Reviewed-by: NMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>

- qtest patches to get rid of the global_qtest variable in more tests
- some iotests patches that have multiple reviews and thus are ready to go

# gpg: Signature made Tue 21 May 2019 11:40:31 BST
# gpg:                using RSA key 2ED9D774FE702DB5
# 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-2019-05-21:
  tests/qemu-iotests: Remove the "_supported_os Linux" line from many tests
  cirrus / travis: Add gnu-sed and bash for macOS and FreeBSD
  tests/qemu-iotests: Do not hard-code the path to bash
  tests/qemu-iotests/check: Pick a default machine if necessary
  tests/qemu-iotests/005: Add a sanity check for large sparse file support
  tests/hd-geo-test: Use qtest_init() instead of qtest_start()
  tests/device-introspect: Use qtest_init() instead of qtest_start()
  tests/qom-test: Use qtest_init() instead of qtest_start()
  tests/numa-test: Use qtest_init() instead of qtest_start()
  tests/q35-test: Make test independent of global_qtest
  tests/libqos: Get rid of global_qtest dependency in qvring_init()
  tests/libqtest: Fix description of qtest_vinitf() and qtest_initf()
  tests/libqtest: Remove unused global_qtest-related wrapper functions
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

target/xtensa: SR reorganization and options for modern cores

Reorganize special register handling to support configurations with
conflicting SR definitions.

Implement options used by the modern xtensa cores:
- memory protection unit;
- block prefetch;
- exclusive access

Add special register definitions and IRQ types for ECC/parity,
gather/scatter and IDMA.

# gpg: Signature made Mon 20 May 2019 18:53:05 BST
# gpg:                using RSA key 2B67854B98E5327DCDEB17D851F9CC91F83FA044
# gpg:                issuer "jcmvbkbc@gmail.com"
# gpg: Good signature from "Max Filippov <filippov@cadence.com>" [unknown]
# gpg:                 aka "Max Filippov <max.filippov@cogentembedded.com>" [full]
# gpg:                 aka "Max Filippov <jcmvbkbc@gmail.com>" [full]
# Primary key fingerprint: 2B67 854B 98E5 327D CDEB  17D8 51F9 CC91 F83F A044

* remotes/xtensa/tags/20190520-xtensa:
  target/xtensa: implement exclusive access option
  target/xtensa: update list of exception causes
  target/xtensa: implement block prefetch option opcodes
  target/xtensa: implement DIWBUI.P opcode
  target/xtensa: implement MPU option
  target/xtensa: add parity/ECC option SRs
  target/xtensa: define IDMA and gather/scatter IRQ types
  target/xtensa: make internal MMU functions static
  target/xtensa: get rid of centralized SR properties
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

A lot of tests run fine on FreeBSD and macOS, too - the limitation
to Linux here was likely just copied-and-pasted from other tests.
Thus remove the "_supported_os Linux" line from tests that run
successful in our CI pipelines on FreeBSD and macOS.
Reviewed-by: NAlex Bennée <alex.bennee@linaro.org>
Tested-by: NAlex Bennée <alex.bennee@linaro.org>
Acked-by: NChristian Borntraeger <borntraeger@de.ibm.com>
Message-Id: <20190502084506.8009-6-thuth@redhat.com>
Signed-off-by: NThomas Huth <thuth@redhat.com>

We are going to enable the qemu-iotests during "make check" again,
and for running the iotests, we need bash and gnu-sed.
Reviewed-by: NLi-Wen Hsu <lwhsu@freebsd.org>
Reviewed-by: NAlex Bennée <alex.bennee@linaro.org>
Reviewed-by: NPhilippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: NChristian Borntraeger <borntraeger@de.ibm.com>
Message-Id: <20190502084506.8009-5-thuth@redhat.com>
Signed-off-by: NThomas Huth <thuth@redhat.com>

bash is installed in a different directory on non-Linux systems like
FreeBSD. Do not hard-code /bin/bash here so that the tests can run
there, too.
Reviewed-by: NEric Blake <eblake@redhat.com>
Reviewed-by: NPhilippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: NAlex Bennée <alex.bennee@linaro.org>
Acked-by: NChristian Borntraeger <borntraeger@de.ibm.com>
Message-Id: <20190502084506.8009-4-thuth@redhat.com>
Signed-off-by: NThomas Huth <thuth@redhat.com>

qemu-system-arm, qemu-system-aarch64 and qemu-system-tricore do not have
a default machine, so when running the qemu-iotests with such a binary,
lots of tests are failing. Fix it by picking a default machine in the
"check" script instead.
Reviewed-by: NAlex Bennée <alex.bennee@linaro.org>
Reviewed-by: NPhilippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: NChristian Borntraeger <borntraeger@de.ibm.com>
Message-Id: <20190502084506.8009-3-thuth@redhat.com>
Signed-off-by: NThomas Huth <thuth@redhat.com>

"check -raw 005" fails when running on certain filesystems - these do not
support such large sparse files. Use the same check as in test 220 to
skip the test in this case.
Suggested-by: NEric Blake <eblake@redhat.com>
Message-Id: <20190502084506.8009-2-thuth@redhat.com>
Reviewed-by: NEric Blake <eblake@redhat.com>
Reviewed-by: NAlex Bennée <alex.bennee@linaro.org>
Reviewed-by: NRichard Henderson <richard.henderson@linaro.org>
Signed-off-by: NThomas Huth <thuth@redhat.com>

qtest_start() + qtest_end() should be avoided, since they use the
global_qtest variable that we want to get rid of in the long run.
Use qtest_init() and qtest_quit() instead.

Message-Id: <20190515174328.16361-7-thuth@redhat.com>
Signed-off-by: NThomas Huth <thuth@redhat.com>

qtest_start() + qtest_end() should be avoided, since they use the
global_qtest variable that we want to get rid of in the long run.
Use qtest_init() and qtest_quit() instead.

Message-Id: <20190515174328.16361-6-thuth@redhat.com>
Signed-off-by: NThomas Huth <thuth@redhat.com>

qtest_start() + qtest_end() should be avoided, since they use the
global_qtest variable that we want to get rid of in the long run.
Use qtest_init() and qtest_quit() instead.

Message-Id: <20190515174328.16361-5-thuth@redhat.com>
Signed-off-by: NThomas Huth <thuth@redhat.com>