Commit Graph

70655 Commits

Author SHA1 Message Date
Peter Maydell
b9404bf592 HMP pull 2019-07-15
Just Christophe's build fix
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Merge remote-tracking branch 'remotes/dgilbert/tags/pull-hmp-20190715' into staging

HMP pull 2019-07-15

Just Christophe's build fix

# gpg: Signature made Mon 15 Jul 2019 12:13:54 BST
# gpg:                using RSA key 45F5C71B4A0CB7FB977A9FA90516331EBC5BFDE7
# gpg: Good signature from "Dr. David Alan Gilbert (RH2) <dgilbert@redhat.com>" [full]
# Primary key fingerprint: 45F5 C71B 4A0C B7FB 977A  9FA9 0516 331E BC5B FDE7

* remotes/dgilbert/tags/pull-hmp-20190715:
  Fix build error when VNC is configured out

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-07-15 12:22:07 +01:00
Christophe de Dinechin
ea73f37062 Fix build error when VNC is configured out
In hmp_change(), the variable hmp_mon is only used
by code under #ifdef CONFIG_VNC. This results in a build
error when VNC is configured out with the default of
treating warnings as errors:

monitor/hmp-cmds.c: In function ‘hmp_change’:
monitor/hmp-cmds.c:1946:17: error: unused variable ‘hmp_mon’ [-Werror=unused-variable]
1946 |     MonitorHMP *hmp_mon = container_of(mon, MonitorHMP, common);
     |                 ^~~~~~~

Signed-off-by: Christophe de Dinechin <dinechin@redhat.com>
Message-Id: <20190625123905.25434-1-dinechin@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
2019-07-15 11:26:26 +01:00
Peter Maydell
298ad7b5a4 Fixes for 3 tcg bugs
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Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20190714' into staging

Fixes for 3 tcg bugs

# gpg: Signature made Sun 14 Jul 2019 12:11:01 BST
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* remotes/rth/tags/pull-tcg-20190714:
  tcg: Release mmap_lock on translation fault
  tcg: Remove duplicate #if !defined(CODE_ACCESS)
  tcg: Remove cpu_ld*_code_ra
  tcg: Introduce set/clear_helper_retaddr
  include/qemu/atomic.h: Add signal_barrier
  tcg/aarch64: Fix output of extract2 opcodes
  tcg: Fix constant folding of INDEX_op_extract2_i32

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-07-15 09:46:15 +01:00
Richard Henderson
52ba13f042 tcg: Release mmap_lock on translation fault
Turn helper_retaddr into a multi-state flag that may now also
indicate when we're performing a read on behalf of the translator.
In this case, release the mmap_lock before the longjmp back to
the main cpu loop, and thereby avoid a failing assert therein.

Fixes: https://bugs.launchpad.net/qemu/+bug/1832353
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-07-14 12:19:01 +02:00
Richard Henderson
2fbb2353ce tcg: Remove duplicate #if !defined(CODE_ACCESS)
This code block is already surrounded by #ifndef CODE_ACCESS.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-07-14 12:19:01 +02:00
Richard Henderson
6ad8307bdd tcg: Remove cpu_ld*_code_ra
These functions are not used, and are not usable in the
context of code generation, because we never have a helper
return address to pass in to them.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-07-14 12:19:01 +02:00
Richard Henderson
08b97f7ff2 tcg: Introduce set/clear_helper_retaddr
At present we have a potential error in that helper_retaddr contains
data for handle_cpu_signal, but we have not ensured that those stores
will be scheduled properly before the operation that may fault.

It might be that these races are not in practice observable, due to
our use of -fno-strict-aliasing, but better safe than sorry.

Adjust all of the setters of helper_retaddr.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-07-14 12:19:00 +02:00
Richard Henderson
359896dfa4 include/qemu/atomic.h: Add signal_barrier
We have some potential race conditions vs our user-exec signal
handler that will be solved with this barrier.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-07-14 12:19:00 +02:00
Richard Henderson
1789d4274b tcg/aarch64: Fix output of extract2 opcodes
This patch fixes two problems:
(1) The inputs to the EXTR insn were reversed,
(2) The input constraints use rZ, which means that we need to use
    the REG0 macro in order to supply XZR for a constant 0 input.

Fixes: 464c2969d5
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-07-14 12:19:00 +02:00
Richard Henderson
80f4d7c3ae tcg: Fix constant folding of INDEX_op_extract2_i32
On a 64-bit host, discard any replications of the 32-bit
sign bit when performing the shift and merge.

Fixes: https://bugs.launchpad.net/bugs/1834496
Tested-by: Christophe Lyon <christophe.lyon@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-07-14 12:19:00 +02:00
Peter Maydell
46cd24e7ed virtio, pc, pci: fixes, cleanups, tests
A bunch of fixes all over the place.
 ACPI tests will now run on more systems: might
 introduce new failure reports but that's for
 the best, isn't it?
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio, pc, pci: fixes, cleanups, tests

A bunch of fixes all over the place.
ACPI tests will now run on more systems: might
introduce new failure reports but that's for
the best, isn't it?

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

# gpg: Signature made Fri 12 Jul 2019 15:57:40 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:
  virtio pmem: remove transitional names
  virtio pmem: remove memdev null check
  virtio pmem: fix wrong mem region condition
  tests: acpi: do not skip tests when IASL is not installed
  tests: acpi: do not require IASL for dumping AML blobs
  virtio-balloon: fix QEMU 4.0 config size migration incompatibility
  pcie: consistent names for function args
  xio3130_downstream: typo fix

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-07-12 17:34:13 +01:00
Pankaj Gupta
207efa18ac virtio pmem: remove transitional names
Remove transitional & non transitional names for virtio pmem.
Only virtio 1.0 and up is supported.

Signed-off-by: Pankaj Gupta <pagupta@redhat.com>
Message-Id: <20190712073554.21918-4-pagupta@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
2019-07-12 10:57:27 -04:00
Pankaj Gupta
7b8a847424 virtio pmem: remove memdev null check
Coverity reports that when we're assigning vi->size we handle the
"pmem->memdev is NULL" case; but we then pass it into
object_get_canonical_path(), which unconditionally dereferences it
and will crash if it is NULL. If this pointer can be NULL then we
need to do something else here.

We are removing 'pmem->memdev' null check here as memdev will never
be null in this function.

Signed-off-by: Pankaj Gupta <pagupta@redhat.com>
Message-Id: <20190712073554.21918-3-pagupta@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
2019-07-12 10:56:27 -04:00
Pankaj Gupta
f37f471262 virtio pmem: fix wrong mem region condition
Coverity reported memory region returns zero
for non-null value. This is because of wrong
arguments to '?:' , fixing this.

Signed-off-by: Pankaj Gupta <pagupta@redhat.com>
Message-Id: <20190712073554.21918-2-pagupta@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
2019-07-12 10:56:27 -04:00
Igor Mammedov
7b9829bc6c tests: acpi: do not skip tests when IASL is not installed
tests do binary comparision so we can check tables without
IASL. Move IASL condition right before decompilation step
and skip it if IASL is not installed.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190708092410.11167-3-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2019-07-12 10:56:26 -04:00
Igor Mammedov
ab31b3373e tests: acpi: do not require IASL for dumping AML blobs
IASL isn't needed when dumping ACPI tables from guest for
rebuild purposes. So move this part out from IASL branch.

Makes rebuild-expected-aml.sh work without IASL installed
on host.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20190708092410.11167-2-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2019-07-12 10:56:26 -04:00
Stefan Hajnoczi
2bbadb08ce virtio-balloon: fix QEMU 4.0 config size migration incompatibility
The virtio-balloon config size changed in QEMU 4.0 even for existing
machine types.  Migration from QEMU 3.1 to 4.0 can fail in some
circumstances with the following error:

  qemu-system-x86_64: get_pci_config_device: Bad config data: i=0x10 read: a1 device: 1 cmask: ff wmask: c0 w1cmask:0

This happens because the virtio-balloon config size affects the VIRTIO
Legacy I/O Memory PCI BAR size.

Introduce a qdev property called "qemu-4-0-config-size" and enable it
only for the QEMU 4.0 machine types.  This way <4.0 machine types use
the old size, 4.0 uses the larger size, and >4.0 machine types use the
appropriate size depending on enabled virtio-balloon features.

Live migration to and from old QEMUs to QEMU 4.1 works again as long as
a versioned machine type is specified (do not use just "pc"!).

Originally-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20190710141440.27635-1-stefanha@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Tested-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Tested-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2019-07-12 10:56:26 -04:00
Michael S. Tsirkin
4d90b7a0e4 pcie: consistent names for function args
The function declarations for pci_cap_slot_get and
pci_cap_slot_write_config call the argument "slot_ctl", but the function
definitions and all the call sites drop the 'o' and call it "slt_ctl".
Let's be consistent.

Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
2019-07-12 10:56:26 -04:00
Michael S. Tsirkin
8e2e95ef04 xio3130_downstream: typo fix
slt ctl/status are passed in incorrect order.
Fix this up.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
2019-07-12 10:56:26 -04:00
Peter Maydell
1316b1ddc8 Block layer patches:
- file-posix: Fix max transfer length for non-SCSI-passthrough
 - iotests: Fix 082 reference output
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block layer patches:

- file-posix: Fix max transfer length for non-SCSI-passthrough
- iotests: Fix 082 reference output

# gpg: Signature made Fri 12 Jul 2019 14:49:14 BST
# 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:
  file-posix: Use max transfer length/segment count only for SCSI passthrough
  iotests: Update 082 expected output

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-07-12 15:38:22 +01:00
Maxim Levitsky
867eccfed8 file-posix: Use max transfer length/segment count only for SCSI passthrough
Regular kernel block devices (/dev/sda*, /dev/nvme*, etc) don't have
max segment size/max segment count hardware requirements exposed
to the userspace, but rather the kernel block layer
takes care to split the incoming requests that
violate these requirements.

Allowing the kernel to do the splitting allows qemu to avoid
various overheads that arise otherwise from this.

This is especially visible in nbd server,
exposing as a raw file, a mostly empty qcow2 image over the net.
In this case most of the reads by the remote user
won't even hit the underlying kernel block device,
and therefore most of the  overhead will be in the
nbd traffic which increases significantly with lower max transfer size.

In addition to that even for local block device
access the peformance improves a bit due to less
traffic between qemu and the kernel when large
transfer sizes are used (e.g for image conversion)

More info can be found at:
https://bugzilla.redhat.com/show_bug.cgi?id=1647104

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Pankaj Gupta <pagupta@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-07-12 15:42:23 +02:00
Eric Blake
20ff903d52 iotests: Update 082 expected output
A recent tweak to the '-o help' output for qemu-img needs to be
reflected into the iotests expected outputs.

Fixes: f7077c98
Reported-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-07-12 15:42:23 +02:00
Peter Maydell
a2a9d4adab ppc patch queue for 2019-07-12
First 4.1 hard freeze pull request.  Not much here, just a bug fix for
 the XICS interrupt controller and a SLOF firmware update to fix a bug
 with IP discovery when there are multiple NICs.
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-4.1-20190712' into staging

ppc patch queue for 2019-07-12

First 4.1 hard freeze pull request.  Not much here, just a bug fix for
the XICS interrupt controller and a SLOF firmware update to fix a bug
with IP discovery when there are multiple NICs.

# gpg: Signature made Fri 12 Jul 2019 06:51:24 BST
# 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-4.1-20190712:
  xics/kvm: Always set the MASKED bit if interrupt is masked
  pseries: Update SLOF firmware image

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-07-12 11:06:48 +01:00
Greg Kurz
38298611d5 xics/kvm: Always set the MASKED bit if interrupt is masked
The ics_set_kvm_state_one() function is called either to restore the
state of an interrupt source during migration or to set the interrupt
source to a default state during reset.

Since always, ie. 2013, the code only sets the MASKED bit if the 'current
priority' and the 'saved priority' are different. This is likely true
when restoring an interrupt that had been previously masked with the
ibm,int-off RTAS call. However this is always false in the case of
reset since both 'current priority' and 'saved priority' are equal to
0xff, and the MASKED bit is never set.

The legacy KVM XICS device gets away with that because it ends updating
its internal structure the same way, whether the MASKED bit is set or
the priority is 0xff.

The XICS-on-XIVE device for POWER9 is different. It sticks to the KVM
documentation [1] and _really_ relies on the MASKED bit to correctly
set. If not, it will configure the interrupt source in the XIVE HW, even
though the guest hasn't configured the interrupt yet. This disturbs the
complex logic implemented in XICS-on-XIVE and may result in the loss of
subsequent queued events.

Always set the MASKED bit if interrupt is masked as expected by the KVM
XICS-on-XIVE device. This has no impact on the legacy KVM XICS.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/virtual/kvm/devices/xics.txt

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <156217454083.559957.7359208229523652842.stgit@bahia.lan>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-07-12 15:50:00 +10:00
Alexey Kardashevskiy
4493d430d0 pseries: Update SLOF firmware image
This only has a fix for ipv4-after-ipv6 booting problem.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2019-07-12 15:49:46 +10:00
Peter Maydell
9411db8f37 Pull request
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/jnsnow/tags/bitmaps-pull-request' into staging

Pull request

# gpg: Signature made Wed 10 Jul 2019 20:21:58 BST
# 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/bitmaps-pull-request:
  docs/bitmaps: use QMP lexer instead of json
  sphinx: add qmp_lexer
  docs/interop/bitmaps.rst: Fix typos

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-07-11 11:58:14 +01:00
Peter Maydell
abd45ff039 Testing and gdbstub fixes:
- fix diff-out pass in check-tcg
   - ensure generation of fprem reference
   - fix gdb set_reg fallback
 -----BEGIN PGP SIGNATURE-----
 
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 W9q4sakiluBvGOg/AyOIj9oMYwBbOg==
 =YdS6
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/stsquad/tags/pull-testing-and-gdbstub-100719-1' into staging

Testing and gdbstub fixes:

  - fix diff-out pass in check-tcg
  - ensure generation of fprem reference
  - fix gdb set_reg fallback

# gpg: Signature made Wed 10 Jul 2019 11:24:28 BST
# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* remotes/stsquad/tags/pull-testing-and-gdbstub-100719-1:
  gdbstub: revert to previous set_reg behaviour
  gdbstub: add some notes to the header comment
  tests/tcg: fix diff-out pass to properly report failure
  tests/tcg: fix up test-i386-fprem.ref generation

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-07-11 10:03:42 +01:00
John Snow
a7786bfb0e docs/bitmaps: use QMP lexer instead of json
The annotated style json we use in QMP documentation is not strict json
and depending on the version of Sphinx (2.0+) or Pygments installed,
might cause the build to fail.

Use the new QMP lexer.

Further, some versions of Sphinx can not apply custom lexers to "code"
directives and require the use of "code-block" directives instead, so
make that change at this time as well.

Tested under:
- Sphinx 1.3.6 and Pygments 2.4
- Sphinx 1.7.6 and Pygments 2.2 (Fedora 29 packages)
- Sphinx 2.0.1 and Pygments 2.4
- Sphinx 3.0.0+/f396b3a783 and Pygments 2.4 (From Sphinx git c4f44bdd)

Reported-by: Aarushi Mehta <mehta.aaru20@gmail.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Message-id: 20190603214653.29369-4-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2019-07-10 15:08:07 -04:00
John Snow
cd231e13bd sphinx: add qmp_lexer
Sphinx, through Pygments, does not like annotated json examples very
much. In some versions of Sphinx (1.7), it will render the non-json
portions of code blocks in red, but in newer versions (2.0) it will
throw an exception and not highlight the block at all. Though we can
suppress this warning, it doesn't bring back highlighting on non-strict
json blocks.

We can alleviate this by creating a custom lexer for QMP examples that
allows us to properly highlight these examples in a robust way, keeping
our directionality and elision notations.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Reported-by: Aarushi Mehta <mehta.aaru20@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20190603214653.29369-3-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2019-07-10 15:08:06 -04:00
John Snow
575e622628 docs/interop/bitmaps.rst: Fix typos
Pygments and Sphinx get pickier all the time; Sphinx 2.1+ now catches
these errors.

Signed-off-by: John Snow <jsnow@redhat.com>
Reported-by: Aarushi Mehta <mehta.aaru20@gmail.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-id: 20190603214653.29369-2-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2019-07-10 15:08:06 -04:00
Alex Bennée
94b2a62bb6 gdbstub: revert to previous set_reg behaviour
The refactoring of handle_set_reg missed the fact we previously had
responded with an empty packet when we were not using XML based
protocols. This broke the fallback behaviour for architectures that
don't have registers defined in QEMU's gdb-xml directory.

Revert to the previous behaviour and clean up the commentary for what
is going on.

Fixes: 62b3320bdd
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Cc: Jon Doron <arilou@gmail.com>
2019-07-10 10:54:46 +01:00
Alex Bennée
42a0959648 gdbstub: add some notes to the header comment
Add a link to the remote protocol spec and an SPDX tag.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-07-10 10:54:41 +01:00
Alex Bennée
ef860047b6 tests/tcg: fix diff-out pass to properly report failure
A side effect of piping the output to head is squash the exit status
of the diff command. Fix this by only doing the pipe if the diff
failed and then ensuring the status is non-zero.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2019-07-10 10:31:22 +01:00
Alex Bennée
bd2c0f67e1 tests/tcg: fix up test-i386-fprem.ref generation
We never shipped the reference data in the source tree because it's
quite big (64M). As a result the only option is to generate it
locally. Although we have a rule to generate the reference file we
missed the dependency and location changes, probably because it's only
run for SLOW test runs.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
2019-07-10 10:31:20 +01:00
Peter Maydell
6df2cdf44a Update version for v4.1.0-rc0 release
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-07-09 17:21:53 +01:00
Peter Maydell
7372849f5b Restore 32-bit I/O accesses on AMD flashes
(precautionary revert).
 -----BEGIN PGP SIGNATURE-----
 
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 =+Izn
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/philmd-gitlab/tags/pflash-next-20190709' into staging

Restore 32-bit I/O accesses on AMD flashes
(precautionary revert).

# gpg: Signature made Tue 09 Jul 2019 16:18:10 BST
# gpg:                using RSA key E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD  6BB2 E3E3 2C2C DEAD C0DE

* remotes/philmd-gitlab/tags/pflash-next-20190709:
  Revert "hw/block/pflash_cfi02: Reduce I/O accesses to 16-bit"

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-07-09 16:41:48 +01:00
Markus Armbruster
8d358a5ea0 Makefile: Fix "make clean" in "unconfigured" source directory
Recent commit "Makefile: Reuse all's recursion machinery for clean and
install" broke targets clean and distclean in the source directory
before running configure:

    $ make clean
      LD      recurse-clean.mo
    cc: fatal error: no input files
    compilation terminated.
    make: *** [rules.mak:118: recurse-clean.mo] Error 1

Root cause is missing .PHONY.  Fix that.

Fixes: 1338a4b726
Reported-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-07-09 16:17:38 +01:00
Philippe Mathieu-Daudé
51500d3770 Revert "hw/block/pflash_cfi02: Reduce I/O accesses to 16-bit"
This reverts commit 3ae0343db6.

Stephen Checkoway noticed commit 3ae0343db6 is incorrect.
This commit state all parallel flashes are limited to 16-bit
accesses, however the x32 configuration exists in some models,
such the Cypress S29CL032J, which CFI Device Geometry Definition
announces:

  CFI ADDR     DATA
  0x28,0x29 = 0x0003 (x32-only asynchronous interface)

Guests should not be affected by the previous change, because
QEMU does not announce itself as x32 capable:

    /* Flash device interface (8 & 16 bits) */
    pfl->cfi_table[0x28] = 0x02;
    pfl->cfi_table[0x29] = 0x00;

Commit 3ae0343db6 does not restrict the bus to 16-bit accesses,
but restrict the implementation as 16-bit access max, so a guest
32-bit access will result in 2x 16-bit calls.

Now, we have 2 boards that register the flash device in 32-bit
access:

- PPC: taihu_405ep

  The CFI id matches the S29AL008J that is a 1MB in x16, while
  the code QEMU forces it to be 2MB, and checking Linux it expects
  a 4MB flash.

- ARM: Digic4

  While the comment says "Samsung K8P3215UQB 64M Bit (4Mx16)",
  this flash is 32Mb (2MB). Also note the CFI id does not match
  the comment.

To avoid unexpected side effect, we revert commit 3ae0343db6,
and will clean the board code later.

Reported-by: Stephen Checkoway <stephen.checkoway@oberlin.edu>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-07-09 17:14:39 +02:00
Peter Maydell
f89600f498 Fixes in cpu models, tcg, and vfio-ccw.
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 =E7bX
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20190709' into staging

Fixes in cpu models, tcg, and vfio-ccw.

# gpg: Signature made Tue 09 Jul 2019 13:20:52 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-20190709:
  s390x/tcg: move fallthrough annotation
  s390: cpumodel: fix description for the new vector facility
  s390x/cpumodel: Set up CPU model for AQIC interception
  vfio-ccw: Test vfio_set_irq_signaling() return value

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-07-09 13:34:56 +01:00
Peter Maydell
a538626aff Minor gvec fix for as-yet uncommitted altivec host.
Build fix for riscv host.
 -----BEGIN PGP SIGNATURE-----
 
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 =Oljm
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20190709' into staging

Minor gvec fix for as-yet uncommitted altivec host.
Build fix for riscv host.

# gpg: Signature made Tue 09 Jul 2019 07:27:34 BST
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* remotes/rth/tags/pull-tcg-20190709:
  tcg: Fix expansion of INDEX_op_not_vec
  tcg/riscv: Fix RISC-VH host build failure

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-07-09 11:49:26 +01:00
Cornelia Huck
92b9afe45e s390x/tcg: move fallthrough annotation
...so that the compiler properly recognizes it.

Reported-by: Stefan Weil <sw@weilnetz.de>
Fixes: f180da83c0 ("s390x/tcg: Implement VECTOR LOAD LOGICAL ELEMENT AND ZERO")
Message-Id: <20190708125433.16927-3-cohuck@redhat.com>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2019-07-09 10:37:44 +02:00
Christian Borntraeger
d05be57ddc s390: cpumodel: fix description for the new vector facility
The new facility is called "Vector-Packed-Decimal-Enhancement Facility"
and not "Vector BCD enhancements facility 1". As the shortname might
have already found its way into some backports, let's keep vxbeh.

Fixes: 54d65de0b5 ("s390x/cpumodel: vector enhancements")
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Message-Id: <20190708150931.93448-1-borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2019-07-09 09:58:14 +02:00
Richard Henderson
11978f6f58 tcg: Fix expansion of INDEX_op_not_vec
This operation can always be emitted, even if we need to
fall back to xor.  Adjust the assertions to match.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-07-09 08:26:11 +02:00
Alistair Francis
7ab7e9c7c7 tcg/riscv: Fix RISC-VH host build failure
Commit 269bd5d8 "cpu: Move the softmmu tlb to CPUNegativeOffsetState'
broke the RISC-V host build as there are two variables that are used but
not defined.

This patch renames the undefined variables mask_off and table_off to the
existing (but unused) mask_ofs and table_ofs variables.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <79729cc88ca509e08b5c4aa0aa8a52847af70c0f.1561039316.git.alistair.francis@wdc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2019-07-09 08:26:11 +02:00
Peter Maydell
f34edbc760 Merge tpm 2019/07/08 v1
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Merge remote-tracking branch 'remotes/stefanberger/tags/pull-tpm-2019-07-08-1' into staging

Merge tpm 2019/07/08 v1

# gpg: Signature made Mon 08 Jul 2019 15:04:46 BST
# gpg:                using RSA key 75AD65802A0B4211
# gpg: Good signature from "Stefan Berger <stefanb@linux.vnet.ibm.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: B818 B9CA DF90 89C2 D5CE  C66B 75AD 6580 2A0B 4211

* remotes/stefanberger/tags/pull-tpm-2019-07-08-1:
  hw/tpm: Only build tpm_ppi.o if any of TPM_TIS/TPM_CRB is built

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-07-08 17:40:05 +01:00
Peter Maydell
a4efdb6b24 Block layer patches:
- virtio-scsi: Fix request resubmission after I/O error with iothreads
 - qcow2: Fix missing v2/v3 subformat aliases for amend
 - qcow(1): More specific error message for wrong format version
 - MAINTAINERS: update RBD block maintainer
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block layer patches:

- virtio-scsi: Fix request resubmission after I/O error with iothreads
- qcow2: Fix missing v2/v3 subformat aliases for amend
- qcow(1): More specific error message for wrong format version
- MAINTAINERS: update RBD block maintainer

# gpg: Signature made Mon 08 Jul 2019 15:17:27 BST
# 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:
  qcow2: Allow -o compat=v3 during qemu-img amend
  MAINTAINERS: update RBD block maintainer
  block/qcow: Improve error when opening qcow2 files as qcow
  virtio-scsi: restart DMA after iothread
  qdev: add qdev_add_vm_change_state_handler()
  vl: add qemu_add_vm_change_state_handler_prio()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-07-08 15:21:20 +01:00
Philippe Mathieu-Daudé
2bb086f779 hw/tpm: Only build tpm_ppi.o if any of TPM_TIS/TPM_CRB is built
The TPM Physical Presence Interface routines are only used
by the CRB/TIS interfaces. Do not compile this file if any
of them is built.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
2019-07-08 10:04:38 -04:00
Eric Blake
f7077c9860 qcow2: Allow -o compat=v3 during qemu-img amend
Commit b76b4f60 allowed '-o compat=v3' as an alias for the
less-appealing '-o compat=1.1' for 'qemu-img create' since we want to
use the QMP form as much as possible, but forgot to do likewise for
qemu-img amend.  Also, it doesn't help that '-o help' doesn't list our
new preferred spellings.

Signed-off-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-07-08 16:00:31 +02:00
Jason Dillaman
2bbd998642 MAINTAINERS: update RBD block maintainer
Remove Josh as per his request since he is no longer the upstream RBD
tech lead. Add myself as the maintainer since I am the current RBD tech
lead.

Signed-off-by: Jason Dillaman <dillaman@redhat.com>
Reviewed-by: Josh Durgin <jdurgin@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-07-08 16:00:26 +02:00
John Snow
197bfa7da7 block/qcow: Improve error when opening qcow2 files as qcow
Reported-by: radmehrsaeed7@gmail.com
Fixes: https://bugs.launchpad.net/bugs/1832914
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2019-07-08 16:00:26 +02:00