Commit Graph

35467 Commits

Author SHA1 Message Date
Peter Maydell
70d3a7a7b8 add and use graphic_console_set_hwops
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Merge remote-tracking branch 'remotes/spice/tags/pull-spice-20140929-1' into staging

add and use graphic_console_set_hwops

# gpg: Signature made Mon 29 Sep 2014 11:18:37 BST using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"

* remotes/spice/tags/pull-spice-20140929-1:
  qxl: use graphic_console_set_hwops
  console: add graphic_console_set_hwops

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-29 19:28:15 +01:00
Edgar E. Iglesias
136e67e9b5 target-arm: Add support for VIRQ and VFIQ
This only implements the external delivery method via the GIC.

Acked-by: Greg Bellows <greg.bellows@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1411718914-6608-12-git-send-email-edgar.iglesias@gmail.com
[PMM: adjusted following cpu-exec refactoring]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-29 18:48:51 +01:00
Edgar E. Iglesias
041c96666d target-arm: Add IRQ and FIQ routing to EL2 and 3
Reviewed-by: Greg Bellows <greg.bellows@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1411718914-6608-11-git-send-email-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-29 18:48:51 +01:00
Edgar E. Iglesias
e0d6e6a5e7 target-arm: A64: Emulate the SMC insn
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1411718914-6608-10-git-send-email-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-29 18:48:50 +01:00
Edgar E. Iglesias
607d98b81e target-arm: Add a Hypervisor Trap exception type
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1411718914-6608-9-git-send-email-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-29 18:48:50 +01:00
Edgar E. Iglesias
35979d71c4 target-arm: A64: Emulate the HVC insn
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1411718914-6608-8-git-send-email-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-29 18:48:50 +01:00
Edgar E. Iglesias
2dd081ae76 target-arm: A64: Correct updates to FAR and ESR on exceptions
Not all exception types update both FAR and ESR.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Greg Bellows <greg.bellows@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1411718914-6608-7-git-send-email-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-29 18:48:50 +01:00
Edgar E. Iglesias
dfafd09088 target-arm: Don't take interrupts targeting lower ELs
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Greg Bellows <greg.bellows@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1411718914-6608-6-git-send-email-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-29 18:48:49 +01:00
Edgar E. Iglesias
043b7f8d12 target-arm: Break out exception masking to a separate func
Reviewed-by: Greg Bellows <greg.bellows@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1411718914-6608-5-git-send-email-edgar.iglesias@gmail.com
[PMM: updated to account for recent cpu-exec refactoring]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-29 18:48:49 +01:00
Edgar E. Iglesias
9e729b57ac target-arm: A64: Refactor aarch64_cpu_do_interrupt
Introduce new_el and new_mode in preparation for future patches
that add support for taking exceptions to and from EL2 and 3.
No functional change.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1411718914-6608-4-git-send-email-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-29 18:48:49 +01:00
Edgar E. Iglesias
64e0e2de0c target-arm: Add SCR_EL3
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1411718914-6608-3-git-send-email-edgar.iglesias@gmail.com
[PMM: apply offsetoflow32() to correct regdef]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-29 18:48:49 +01:00
Edgar E. Iglesias
f149e3e847 target-arm: Add HCR_EL2
Reviewed-by: Greg Bellows <greg.bellows@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1411718914-6608-2-git-send-email-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-29 18:48:48 +01:00
Peter Maydell
c0f4af1719 target-arm: Don't handle c15_cpar changes via tb_flush()
At the moment we try to handle c15_cpar with the strategy of:
 * emit generated code which makes assumptions about its value
 * when the register value changes call tb_flush() to throw
   away the now-invalid generated code
This works because XScale CPUs are always uniprocessor, but
it's confusing because it suggests that the same approach can
be taken for other registers. It also means we do a tb_flush()
on CPU reset, which makes multithreaded linux-user binaries
even more likely to fail than would otherwise be the case.

Replace it with a combination of TB flags for the access
checks done on cp0/cp1 for the XScale and iwMMXt instructions,
plus a runtime check for cp2..cp13 coprocessor accesses.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1411056959-23070-1-git-send-email-peter.maydell@linaro.org
2014-09-29 18:48:48 +01:00
Peter Maydell
f59492b984 hw/input/tsc210x.c: Delete unused array tsc2101_rates
The array tsc2101_rates[] is unused (and we don't implement
the TSC2101 anyway, only the 2102); delete it.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1410723223-17711-5-git-send-email-peter.maydell@linaro.org
2014-09-29 18:48:48 +01:00
Peter Maydell
6ac285b824 hw/display/pxa2xx_lcd.c: Remove unused function pxa2xx_dma_rdst_set
The function pxa2xx_dma_rdst_set() is unused; delete it.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1410723223-17711-4-git-send-email-peter.maydell@linaro.org
2014-09-29 18:48:47 +01:00
Peter Maydell
93c9aea9b4 hw/intc/imx_avic.c: Remove unused function imx_avic_set_prio()
The function imx_avic_set_prio() is unused; delete it.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1410723223-17711-3-git-send-email-peter.maydell@linaro.org
2014-09-29 18:48:47 +01:00
Peter Maydell
65731d1c3e hw/display/blizzard.c: Delete unused function blizzard_rgb2yuv
The function blizzard_rgb2yuv() is unused; delete it.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1410723223-17711-2-git-send-email-peter.maydell@linaro.org
2014-09-29 18:48:47 +01:00
Peter Maydell
8f95ce2e4c configure: Build GDB XML for 32 bit ARM CPUs into qemu aarch64 binaries
The qemu-aarch64 and qemu-system-aarch64 binaries include support
for all the 32 bit ARM CPUs as well as the 64 bit ones. This means
we need to build in the GDB XML files for the 32 bit CPUs too.
Otherwise gdb will complain:
 warning: while parsing target description (at line 1): Could not load XML document "arm-core.xml"
when you try to connect to our gdbserver to debug a 32 bit CPU
running in a qemu-aarch64 or qemu-system-aarch64 binary.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1410533739-13836-1-git-send-email-peter.maydell@linaro.org
2014-09-29 18:48:47 +01:00
Peter Maydell
0eacea7060 target-arm: Implement handling of breakpoint firing
Implement handling of breakpoint event firing to correctly
inject the debug exception into the guest.

Since the breakpoint and watchpoint control register format is
very similar we adjust wp_matches() to also handle breakpoints
as well rather than using a separate function.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1410523465-13400-3-git-send-email-peter.maydell@linaro.org
2014-09-29 18:48:46 +01:00
Peter Maydell
46747d1508 target-arm: Implement setting guest breakpoints
This patch adds support for setting guest breakpoints
based on values the guest writes to the DBGBVR and DBGBCR
registers. (It doesn't include the code to handle when
these breakpoints fire, so has no guest-visible effect.)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1410523465-13400-2-git-send-email-peter.maydell@linaro.org
2014-09-29 18:48:46 +01:00
Peter Maydell
b60a7726cc Merge remote-tracking branch 'remotes/qmp-unstable/queue/qmp' into staging
* remotes/qmp-unstable/queue/qmp:
  Add HMP command "info memory-devices"
  qemu-socket: Eliminate silly QERR_ macros
  qemu-socket: Polish errors for connect() and listen() failure
  qemu-iotests: Test missing "driver" key for blockdev-add
  tests: add QMP input visitor test for unions with no discriminator
  qapi: dealloc visitor, implement visit_start_union
  qapi: add visit_start_union and visit_end_union
  virtio-balloon: fix integer overflow in memory stats feature
  monitor: Reset HMP mon->rs in CHR_EVENT_OPEN

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-29 18:18:29 +01:00
zhanghailiang
28d16f38d0 vl: Adjust the place of calling mlockall to speedup VM's startup
If we configure mlock=on and memory policy=bind at the same time,
It will consume lots of time for system to treat with memory,
especially when call mbind behind mlockall.

Adjust the place of calling mlockall, calling mbind before mlockall
can remarkably reduce the time of VM's startup.

Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-09-29 19:44:04 +03:00
zhanghailiang
fc50ff0666 pc-dimm: Don't check dimm->node when there is non-NUMA config
It should not break memory hotplug feature if there is non-NUMA option.

This patch would also allow to use pc-dimm as replacement for initial memory
for non-NUMA configs.

Note: After this patch, the memory hotplug can work normally for Linux guest OS
when there is non-NUMA option and NUMA option. But not support Windows guest OS
to hotplug memory with no-NUMA config, actully, it's Windows limitation.

Reviewed-By: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-09-29 19:44:04 +03:00
Gonglei
22b80e85ff pci-hotplug-old: avoid losing error message
When scsi_bus_legacy_add_drive() produces an error,
we will lose the error message. Using error_report
to report it.

Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-09-29 19:44:04 +03:00
Michael S. Tsirkin
45363e46ae Revert "virtio-pci: fix migration for pci bus master"
This reverts commit 4d43d3f3c8.

Reported to break PPC guests.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-09-29 19:44:04 +03:00
Markus Armbruster
8ce3c44c92 loader: g_realloc(p, 0) frees and returns NULL, simplify
Once upon a time, it was decided that qemu_realloc(ptr, 0) should
abort.  Switching to glib retired that bright idea.  A bit of code
that was added to cope with it (commit 3e372cf) is still around.  Bury
it.

See also commit 6528499.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-09-29 19:44:04 +03:00
Stefan Hajnoczi
70556264a8 libqos: use microseconds instead of iterations for virtio timeout
Some hosts are slow or overloaded so test execution takes a long time.
Test cases use timeouts to protect against an infinite loop stalling the
test forever (especially important in automated test setups).

Commit 6cd14054b6 ("libqos virtio:
Increase ISR timeout") increased the clock_step() value in an attempt to
lengthen the virtio interrupt wait timeout, but timeout failures are
still occuring on the Travis automated testing platform.

This is because clock_step() only affects the guest's virtual time.
Virtio requests can be bottlenecked on host disk I/O latency - which
cannot be improved by stepping the clock, so the fix was ineffective.

This patch changes the qvirtio_wait_queue_isr() and
qvirtio_wait_config_isr() timeout mechanism from loop iterations to
microseconds.  This way the test case can specify an absolute 30 second
timeout.  Number of loop iterations is not a reliable timeout mechanism
since the speed depends on many factors including host performance.

Tests should no longer timeout on overloaded Travis instances.

Cc: Marc Marí <marc.mari.barcelo@gmail.com>
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-29 17:31:11 +01:00
Stefan Hajnoczi
e8c81b4d8a libqos: improve event_index test with timeout
The virtio event_index feature lets the device driver tell the device
how many requests to process before raising the next interrupt.
virtio-blk-test.c tries to verify that the device does not raise an
interrupt unnecessarily.

Unfortunately the test has a race condition.  It spins checking for an
interrupt up to 100 times and then assumes the request has finished.  On
a slow host the I/O request could still be in flight and the test would
fail.

This patch waits for the request to complete, or until a 30-second
timeout is reached.  If an interrupt is raised while waiting the test
fails since the device was not supposed to raise interrupts.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-29 17:31:08 +01:00
Kevin Wolf
ed9114356b raw-posix: Fix build without posix_fallocate()
Check for the presence of posix_fallocate() in configure and only
compile in support for PREALLOC_MODE_FALLOC when it's there.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-29 16:28:24 +01:00
Peter Maydell
0ebcc56453 Block patches
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block patches

# gpg: Signature made Fri 26 Sep 2014 19:57:52 BST using RSA key ID C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"

* remotes/kevin/tags/for-upstream:
  qemu-iotests: Fail test if explicit test case number is unknown
  block: Validate node-name
  vpc: fix beX_to_cpu() and cpu_to_beX() confusion
  docs: add blkdebug block driver documentation
  block: Catch simultaneous usage of options and their aliases
  block: Specify -drive legacy option aliases in array
  block: Improve message for device name clashing with node name
  qemu-nbd: Destroy the BlockDriverState properly
  block: Keep DriveInfo alive until BlockDriverState dies
  blockdev: Disentangle BlockDriverState and DriveInfo creation
  blkdebug: show an error for invalid event names

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-29 12:26:15 +01:00
Gerd Hoffmann
151623353f qxl: use graphic_console_set_hwops
Simply switch function pointers when entering/leaving vga mode.
Allows to remove wrapper functions which do nothing but dispatch
calls depending on the current qxl mode.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-09-29 10:20:09 +02:00
Gerd Hoffmann
1c1f949844 console: add graphic_console_set_hwops
Add a function to allow display emulations to switch the hwops
function pointers.  This is useful for devices which have two
completely different operation modes.  Typical case is the vga
compatibility mode vs. native mode in qxl and the upcoming
virtio-vga device.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-09-29 10:20:09 +02:00
Gerd Hoffmann
133771477c ac97: register reset via qom
So it gets properly unregistered on hot-unplug.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-09-29 10:20:05 +02:00
Peter Maydell
e80084d352 trivial patches for 2014-09-26
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Merge remote-tracking branch 'remotes/mjt/tags/trivial-patches-2014-09-26' into staging

trivial patches for 2014-09-26

# gpg: Signature made Fri 26 Sep 2014 18:33:53 BST using RSA key ID A4C3D7DB
# gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>"
# gpg:                 aka "Michael Tokarev <mjt@corpit.ru>"
# gpg:                 aka "Michael Tokarev <mjt@debian.org>"
# 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: 6EE1 95D1 886E 8FFB 810D  4324 457C E0A0 8044 65C5
#      Subkey fingerprint: 6F67 E18E 7C91 C5B1 5514  66A7 BEE5 9D74 A4C3 D7DB

* remotes/mjt/tags/trivial-patches-2014-09-26:
  os-posix: report error message when lock file failed
  os-posix: remove confused errno
  os-posix: change tab to space avoid violating coding style
  qapi: Update docs given recent event, spacing fixes
  qapi: Ignore files created during make check
  qapi: Consistent whitespace in tests/Makefile
  vmxcap: Update according to SDM of September 2014
  .travis.yml: remove "make check" from main matrix
  .travis.yml: pre-seed sub-modules for speed
  .travis.yml: make the make slightly more parallel
  .travis.yml: add more linux-user to the build matrix
  tests: avoid running duplicate qom-tests

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-26 18:44:25 +01:00
Zhu Guihua
a631892f9d Add HMP command "info memory-devices"
Provides HMP equivalent of QMP query-memory-devices command.

Signed-off-by: Zhu Guihua <zhugh.fnst@cn.fujitsu.com>
Reviewed-By: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-09-26 13:37:06 -04:00
Markus Armbruster
235256a2bd qemu-socket: Eliminate silly QERR_ macros
The QERR_ macros are leftovers from the days of "rich" error objects.
They're used with error_set() and qerror_report(), and expand into the
first *two* arguments.  This trickiness has become pointless.  Clean
up.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-09-26 13:37:06 -04:00
Gonglei
e5048d15ce os-posix: report error message when lock file failed
It will cause that create vm failed When manager
tool is killed forcibly (kill -9 libvirtd_pid),
the file not was unlink, and unlock. It's better
that report the error message for users.

Signed-off-by: Huangweidong <weidong.huang@huawei.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-09-26 21:21:09 +04:00
Gonglei
97699eff3a os-posix: remove confused errno
If we get inside the 'else if (status == 1)' conditional,
then we know that read() succeeded, and therefore errno is
unspecified. Printing strerror(errno) on a random value
is not helpful.

Cc: Eric Blake <eblake@redhat.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-09-26 21:20:50 +04:00
Gonglei
63ce8e150c os-posix: change tab to space avoid violating coding style
Cc: Eric Blake <eblake@redhat.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-09-26 21:20:28 +04:00
Markus Armbruster
dbe2a7a62a qemu-socket: Polish errors for connect() and listen() failure
connect() doesn't "connect to socket", it connects a socket to an
address and, if it's of type SOCK_STREAM, initiates a connection.
Scratch "to".

listen() does "set socket to listening mode", but it sounds awkward.
Change to "listen on socket".

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-09-26 13:18:38 -04:00
Eric Blake
59a2c4ce2b qapi: Update docs given recent event, spacing fixes
Commit 21cd70d added event support but didn't document what the
generated code looks like.  Commit 05dfb26 removed some unwanted
spaces in the generated code, but didn't reflect those changes
into the documentation.  Finally, the docs start with a big
disclaimer about QMP not using QAPI yet, which feels rather stale.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-09-26 21:18:20 +04:00
Eric Blake
597db727cc qapi: Ignore files created during make check
After an in-tree build and run of 'make check-{qapi-schema,unit}',
I noticed some leftover files.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Wenchao Xia <wenchaoqemu@gmail.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-09-26 21:18:15 +04:00
Eric Blake
04404c21cc qapi: Consistent whitespace in tests/Makefile
tests/Makefile had a mix of TAB vs. 8-space indentation; given
that it is a Makefile, TAB is more idiomatic even though in these
particular cases the choice of whitespace didn't matter.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-09-26 21:18:02 +04:00
Fam Zheng
fe509ee237 qemu-iotests: Test missing "driver" key for blockdev-add
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-09-26 13:14:11 -04:00
Michael Roth
cb55111b4e tests: add QMP input visitor test for unions with no discriminator
This is more of an exercise of the dealloc visitor, where it may
erroneously use an uninitialized discriminator field as indication
that union fields corresponding to that discriminator field/type are
present, which can lead to attempts to free random chunks of heap
memory.

Cc: qemu-stable@nongnu.org
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-09-26 13:14:11 -04:00
Michael Roth
146db9f919 qapi: dealloc visitor, implement visit_start_union
If the .data field of a QAPI Union is NULL, we don't need to free
any of the union fields.

Make use of the new visit_start_union interface to access this
information and instruct the generated code to not visit these
fields when this occurs.

Cc: qemu-stable@nongnu.org
Reported-by: Fam Zheng <famz@redhat.com>
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-09-26 13:14:10 -04:00
Michael Roth
cee2dedb85 qapi: add visit_start_union and visit_end_union
In some cases an input visitor might bail out on filling out a
struct for various reasons, such as missing fields when running
in strict mode. In the case of a QAPI Union type, this may lead
to cases where the .kind field which encodes the union type
is uninitialized. Subsequently, other visitors, such as the
dealloc visitor, may use this .kind value as if it were
initialized, leading to assumptions about the union type which
in this case may lead to segfaults. For example, freeing an
integer value.

However, we can generally rely on the fact that the always-present
.data void * field that we generate for these union types will
always be NULL in cases where .kind is uninitialized (at least,
there shouldn't be a reason where we'd do this purposefully).

So pass this information on to Visitor implementation via these
optional start_union/end_union interfaces so this information
can be used to guard against the situation above. We will make
use of this information in a subsequent patch for the dealloc
visitor.

Cc: qemu-stable@nongnu.org
Reported-by: Fam Zheng <famz@redhat.com>
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-09-26 13:14:10 -04:00
Luiz Capitulino
1f9296b51a virtio-balloon: fix integer overflow in memory stats feature
When a QMP client changes the polling interval time by setting
the guest-stats-polling-interval property, the interval value
is stored and manipulated as an int64_t variable.

However, the balloon_stats_change_timer() function, which is
used to set the actual timer with the interval value, takes
an int instead, causing an overflow for big interval values.

This commit fix this bug by changing balloon_stats_change_timer()
to take an int64_t and also it limits the polling interval value
to UINT_MAX to avoid other kinds of overflow.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
2014-09-26 13:14:10 -04:00
Stratos Psomadakis
e5554e2015 monitor: Reset HMP mon->rs in CHR_EVENT_OPEN
Commit cdaa86a54 ("Add G_IO_HUP handler for socket chardev") exposed a bug in
the way the HMP monitor handles its command buffer. When a client closes the
connection to the monitor, tcp_chr_read() will detect the G_IO_HUP condition
and call tcp_chr_disconnect() to close the server-side connection too. Due to
the fact that monitor reads 1 byte at a time (for each tcp_chr_read()), the
monitor readline state / buffers might contain junk (i.e. a half-finished
command). Thus, without calling readline_restart() on mon->rs in
CHR_EVENT_OPEN, future HMP commands will fail.

Signed-off-by: Stratos Psomadakis <psomas@grnet.gr>
Signed-off-by: Dimitris Aragiorgis <dimara@grnet.gr>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-09-26 13:14:10 -04:00
Adrian-Ken Rueegsegger
c5d1e2cce3 vmxcap: Update according to SDM of September 2014
This adds reporting of RDSEED exiting and XSAVES/XRSTORS #UD and fixes
the range of VMCS revision as well as some typos.

Signed-off-by: Adrian-Ken Rueegsegger <ken@codelabs.ch>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-09-26 21:08:56 +04:00