Commit Graph

51624 Commits

Author SHA1 Message Date
Krzysztof Kozlowski
1e0228fd20 hw/arm/exynos: Fix Linux kernel division by zero for PLLs
Without any clock controller, the Linux kernel was hitting division by
zero during boot or with clk_summary:
[    0.000000] [<c031054c>] (unwind_backtrace) from [<c030ba6c>] (show_stack+0x10/0x14)
[    0.000000] [<c030ba6c>] (show_stack) from [<c05b2660>] (dump_stack+0x88/0x9c)
[    0.000000] [<c05b2660>] (dump_stack) from [<c05b11a4>] (Ldiv0+0x8/0x10)
[    0.000000] [<c05b11a4>] (Ldiv0) from [<c06ad1e0>] (samsung_pll45xx_recalc_rate+0x58/0x74)
[    0.000000] [<c06ad1e0>] (samsung_pll45xx_recalc_rate) from [<c0692ec0>] (clk_register+0x39c/0x63c)
[    0.000000] [<c0692ec0>] (clk_register) from [<c125d360>] (samsung_clk_register_pll+0x2e0/0x3d4)
[    0.000000] [<c125d360>] (samsung_clk_register_pll) from [<c125d7e8>] (exynos4_clk_init+0x1b0/0x5e4)
[    0.000000] [<c125d7e8>] (exynos4_clk_init) from [<c12335f4>] (of_clk_init+0x17c/0x210)
[    0.000000] [<c12335f4>] (of_clk_init) from [<c1204700>] (time_init+0x24/0x2c)
[    0.000000] [<c1204700>] (time_init) from [<c1200b2c>] (start_kernel+0x24c/0x38c)
[    0.000000] [<c1200b2c>] (start_kernel) from [<4020807c>] (0x4020807c)

Provide stub for clock controller returning reset values for PLLs.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Message-id: 20170226200142.31169-1-krzk@kernel.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-28 12:08:20 +00:00
Clement Deschamps
43ddc182e2 bcm2835_sdhost: add bcm2835 sdhost controller
This adds the BCM2835 SDHost controller from Arasan.

Signed-off-by: Clement Deschamps <clement.deschamps@antfield.fr>
Message-id: 20170224164021.9066-2-clement.deschamps@antfield.fr
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-28 12:08:19 +00:00
Peter Maydell
5db53e353d armv7m: Allow SHCSR writes to change pending and active bits
Implement the NVIC SHCSR write behaviour which allows pending and
active status of some exceptions to be changed.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2017-02-28 12:08:19 +00:00
Peter Maydell
e13886e3a7 armv7m: Raise correct kind of UsageFault for attempts to execute ARM code
M profile doesn't implement ARM, and the architecturally required
behaviour for attempts to execute with the Thumb bit clear is to
generate a UsageFault with the CFSR INVSTATE bit set.  We were
incorrectly implementing this as generating an UNDEFINSTR UsageFault;
fix this.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2017-02-28 12:08:19 +00:00
Peter Maydell
aa488fe3bb armv7m: Check exception return consistency
Implement the exception return consistency checks
described in the v7M pseudocode ExceptionReturn().

Inspired by a patch from Michael Davidsaver's series, but
this is a reimplementation from scratch based on the
ARM ARM pseudocode.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2017-02-28 12:08:19 +00:00
Peter Maydell
39ae2474e3 armv7m: Extract "exception taken" code into functions
Extract the code from the tail end of arm_v7m_do_interrupt() which
enters the exception handler into a pair of utility functions
v7m_exception_taken() and v7m_push_stack(), which correspond roughly
to the pseudocode PushStack() and ExceptionTaken().

This also requires us to move the arm_v7m_load_vector() utility
routine up so we can call it.

Handling illegal exception returns has some cases where we want to
take a UsageFault either on an existing stack frame or with a new
stack frame but with a specific LR value, so we want to be able to
call these without having to go via arm_v7m_cpu_do_interrupt().

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2017-02-28 12:08:18 +00:00
Michael Davidsaver
14790f730a armv7m: VECTCLRACTIVE and VECTRESET are UNPREDICTABLE
The VECTCLRACTIVE and VECTRESET bits in the AIRCR are both
documented as UNPREDICTABLE if you write a 1 to them when
the processor is not halted in Debug state (ie stopped
and under the control of an external JTAG debugger).
Since we don't implement Debug state or emulated JTAG
these bits are always UNPREDICTABLE for us. Instead of
logging them as unimplemented we can simply log writes
as guest errors and ignore them.

Signed-off-by: Michael Davidsaver <mdavidsaver@gmail.com>
[PMM: change extracted from another patch; commit message
 constructed from scratch]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2017-02-28 12:08:18 +00:00
Michael Davidsaver
a25dc805e2 armv7m: Simpler and faster exception start
All the places in armv7m_cpu_do_interrupt() which pend an
exception in the NVIC are doing so for synchronous
exceptions. We know that we will always take some
exception in this case, so we can just acknowledge it
immediately, rather than returning and then immediately
being called again because the NVIC has raised its outbound
IRQ line.

Signed-off-by: Michael Davidsaver <mdavidsaver@gmail.com>
[PMM: tweaked commit message; added DEBUG to the set of
exceptions we handle immediately, since it is synchronous
when it results from the BKPT instruction]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2017-02-28 12:08:18 +00:00
Peter Maydell
a5d8235545 armv7m: Remove unused armv7m_nvic_acknowledge_irq() return value
Having armv7m_nvic_acknowledge_irq() return the new value of
env->v7m.exception and its one caller assign the return value
back to env->v7m.exception is pointless. Just make the return
type void instead.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2017-02-28 12:08:18 +00:00
Michael Davidsaver
a73c98e159 armv7m: Escalate exceptions to HardFault if necessary
The v7M exception architecture requires that if a synchronous
exception cannot be taken immediately (because it is disabled
or at too low a priority) then it should be escalated to
HardFault (and the HardFault exception is then taken).
Implement this escalation logic.

Signed-off-by: Michael Davidsaver <mdavidsaver@gmail.com>
[PMM: extracted from another patch]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2017-02-28 12:08:17 +00:00
Michael Davidsaver
7c14b3ac07 arm: gic: Remove references to NVIC
Now that the NVIC is its own separate implementation, we can
clean up the GIC code by removing REV_NVIC and conditionals
which use it.

Signed-off-by: Michael Davidsaver <mdavidsaver@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2017-02-28 12:08:17 +00:00
Peter Maydell
7ecdaa4a96 armv7m: Fix condition check for taking exceptions
The M profile condition for when we can take a pending exception or
interrupt is not the same as that for A/R profile.  The code
originally copied from the A/R profile version of the
cpu_exec_interrupt function only worked by chance for the
very simple case of exceptions being masked by PRIMASK.
Replace it with a call to a function in the NVIC code that
correctly compares the priority of the pending exception
against the current execution priority of the CPU.

[Michael Davidsaver's patchset had a patch to do something
similar but the implementation ended up being a rewrite.]

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2017-02-28 12:08:17 +00:00
Michael Davidsaver
da6d674e50 armv7m: Rewrite NVIC to not use any GIC code
Despite some superficial similarities of register layout, the
M-profile NVIC is really very different from the A-profile GIC.
Our current attempt to reuse the GIC code means that we have
significant bugs in our NVIC.

Implement the NVIC as an entirely separate device, to give
us somewhere we can get the behaviour correct.

This initial commit does not attempt to implement exception
priority escalation, since the GIC-based code didn't either.
It does fix a few bugs in passing:
 * ICSR.RETTOBASE polarity was wrong and didn't account for
   internal exceptions
 * ICSR.VECTPENDING was 16 too high if the pending exception
   was for an external interrupt
 * UsageFault, BusFault and MemFault were not disabled on reset
   as they are supposed to be

Signed-off-by: Michael Davidsaver <mdavidsaver@gmail.com>
[PMM: reworked, various bugs and stylistic cleanups]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2017-02-28 12:08:17 +00:00
Peter Maydell
1004102a77 armv7m: Implement reading and writing of PRIGROUP
Add a state field for the v7M PRIGROUP register and implent
reading and writing it. The current NVIC doesn't honour
the values written, but the new version will.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2017-02-28 12:08:16 +00:00
Peter Maydell
f797c07507 armv7m: Rename nvic_state to NVICState
Rename the nvic_state struct to NVICState, to match
our naming conventions.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2017-02-28 12:08:16 +00:00
Kurban Mallachiev
c98c9eba88 ARM i.MX timers: fix reset handling
The i.MX timer device can be reset by writing to the SWR bit
of the CR register. This has to behave differently from hard
(power-on) reset because it does not reset all of the bits
in the CR register.

We were incorrectly implementing soft reset and hard reset
the same way, and in addition had a logic error which meant
that we were clearing the bits that soft-reset is supposed
to preserve and not touching the bits that soft-reset clears.
This was not correct behaviour for either kind of reset.

Separate out the soft reset and hard reset code paths, and
correct the handling of reset of the CR register so that it
is correct in both cases.

Signed-off-by: Kurban Mallachiev <mallachiev@ispras.ru>
[PMM: rephrased commit message, spacing on operators;
 use bool rather than int for is_soft_reset]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-28 12:08:16 +00:00
Eric Auger
ccc11b0279 hw/arm/virt: Add a user option to disallow ITS instantiation
In 2.9 ITS will block save/restore and migration use cases. As such,
let's introduce a user option that allows to turn its instantiation
off, along with GICv3. With the "its" option turned false, migration
will be possible, obviously at the expense of MSI support (with GICv3).

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Message-id: 1487681108-14452-1-git-send-email-eric.auger@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-28 12:08:16 +00:00
Peter Maydell
44d7ce0ef3 cputlb: Don't assume do_unassigned_access() never returns
In get_page_addr_code(), if the guest PC doesn't correspond to RAM
then we currently run the CPU's do_unassigned_access() hook if it has
one, and otherwise we give up and exit QEMU with a more-or-less
useful message.  This code assumes that the do_unassigned_access hook
will never return, because if it does then we'll plough on attempting
to use a non-RAM TLB entry to get a RAM address and will abort() in
qemu_ram_addr_from_host_nofail().  Unfortunately some CPU
implementations of this hook do return: Microblaze, SPARC and the ARM
v7M.

Change the code to call report_bad_exec() if the hook returns, as
well as if it didn't have one.  This means we can tidy it up to use
the cpu_unassigned_access() function which wraps the "get the CPU
class and call the hook if it has one" work, since we aren't trying
to distinguish "no hook" from "hook existed and returned" any more.

This brings the handling of this hook into line with the handling
used for data accesses, where "hook returned" is treated the
same as "no hook existed" and gets you the default behaviour.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
2017-02-28 12:08:15 +00:00
Nick Reilly
a4f5c5b723 Add missing fp_access_check() to aarch64 crypto instructions
The aarch64 crypto instructions for AES and SHA are missing the
check for if the FPU is enabled.

Signed-off-by: Nick Reilly <nreilly@blackberry.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-28 12:08:15 +00:00
Igor Mammedov
dbb74759fa hw/arm/virt: fix cpu object reference leak
object_new(FOO) returns an object with ref_cnt == 1
and following
  object_property_set_bool(cpuobj, true, "realized", NULL)
set parent of cpuobj to '/machine/unattached' which makes
ref_cnt == 2.

Since machvirt_init() doesn't take ownership of cpuobj
returned by object_new() it should explicitly drop
reference to cpuobj when dangling pointer is about to
go out of scope like it's done pc_new_cpu() to avoid
object leak.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-id: 1487253461-269218-1-git-send-email-imammedo@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-28 12:08:15 +00:00
Prasad J Pandit
241999bf4c sd: sdhci: Remove block count enable check in single block transfers
In SDHCI protocol, the 'Block count enable' bit of the Transfer
Mode register is relevant only in multi block transfers. We need
not check it in single block transfers.

Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Message-id: 20170214185225.7994-5-ppandit@redhat.com
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-28 12:08:15 +00:00
Prasad J Pandit
45ba9f761b sd: sdhci: conditionally invoke multi block transfer
In sdhci_write invoke multi block transfer if it is enabled
in the transfer mode register 's->trnmod'.

Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Message-id: 20170214185225.7994-4-ppandit@redhat.com
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-28 12:08:14 +00:00
Prasad J Pandit
6e86d90352 sd: sdhci: check transfer mode register in multi block transfer
In the SDHCI protocol, the transfer mode register value
is used during multi block transfer to check if block count
register is enabled and should be updated. Transfer mode
register could be set such that, block count register would
not be updated, thus leading to an infinite loop. Add check
to avoid it.

Reported-by: Wjjzhang <wjjzhang@tencent.com>
Reported-by: Jiang Xin <jiangxin1@huawei.com>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Message-id: 20170214185225.7994-3-ppandit@redhat.com
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-28 12:08:14 +00:00
Prasad J Pandit
8b20aefac4 sd: sdhci: mask transfer mode register value
In SDHCI protocol, the transfer mode register is defined
to be of 6 bits. Mask its value with '0x0037' so that an
invalid value could not be assigned.

Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 20170214185225.7994-2-ppandit@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-28 12:08:14 +00:00
Peter Maydell
373442ea3a bcm2835_rng: Use qcrypto_random_bytes() rather than rand()
Switch to using qcrypto_random_bytes() rather than rand() as
our source of randomness for the BCM2835 RNG.

If qcrypto_random_bytes() fails, we don't want to return the guest a
non-random value in case they're really using it for cryptographic
purposes, so the best we can do is a fatal error.  This shouldn't
happen unless something's broken, though.

In theory we could implement this device's full FIFO and interrupt
semantics and then just stop filling the FIFO.  That's a lot of work,
though, and doesn't really give a very nice diagnostic to the user
since the guest will just seem to hang.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
2017-02-28 12:08:14 +00:00
Marcin Chojnacki
54a5ba13a9 target-arm: Implement BCM2835 hardware RNG
Recent vanilla Raspberry Pi kernels started to make use of
the hardware random number generator in BCM2835 SoC. As a
result, those kernels wouldn't work anymore under QEMU
but rather just freeze during the boot process.

This patch implements a trivial BCM2835 compatible RNG,
and adds it as a peripheral to BCM2835 platform, which
allows to boot a vanilla Raspberry Pi kernel under Qemu.

Changes since v1:
 * Prevented guest from writing [31..20] bits in rng_status
 * Removed redundant minimum_version_id_old
 * Added field entries for the state
 * Changed realize function to reset

Signed-off-by: Marcin Chojnacki <marcinch7@gmail.com>
Message-id: 20170210210857.47893-1-marcinch7@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-28 12:08:13 +00:00
Peter Maydell
6181478f63 -----BEGIN PGP SIGNATURE-----
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Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging

# gpg: Signature made Mon 27 Feb 2017 16:33:23 GMT
# gpg:                using RSA key 0x9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>"
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* remotes/stefanha/tags/block-pull-request:
  tests-aio-multithread: use atomic_read properly
  iscsi: do not use aio_context_acquire/release
  nfs: do not use aio_context_acquire/release
  curl: do not use aio_context_acquire/release

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-28 08:46:03 +00:00
Peter Maydell
9b9fbe8a4e gtk: fix kbd on xwayland
vnc: fix double free issues
 opengl improvements
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Merge remote-tracking branch 'remotes/kraxel/tags/pull-ui-20170227-1' into staging

gtk: fix kbd on xwayland
vnc: fix double free issues
opengl improvements

# gpg: Signature made Mon 27 Feb 2017 16:11:30 GMT
# gpg:                using RSA key 0x4CB6D8EED3E87138
# 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>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/pull-ui-20170227-1:
  vnc: fix double free issues
  spice: add display & head options
  ui: Use XkbGetMap and XkbGetNames instead of XkbGetKeyboard
  gtk-egl: add scanout_disable support
  sdl2: add scanout_disable support
  spice: add scanout_disable support
  virtio-gpu: use dpy_gl_scanout_disable
  console: add dpy_gl_scanout_disable
  console: rename dpy_gl_scanout to dpy_gl_scanout_texture

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-27 19:19:46 +00:00
Peter Maydell
8f2d7c3411 Merge qcrypto 2017/02/27 v1
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/berrange/tags/pull-qcrypto-2017-02-27-1' into staging

Merge qcrypto 2017/02/27 v1

# gpg: Signature made Mon 27 Feb 2017 13:37:34 GMT
# gpg:                using RSA key 0xBE86EBB415104FDF
# gpg: Good signature from "Daniel P. Berrange <dan@berrange.com>"
# gpg:                 aka "Daniel P. Berrange <berrange@redhat.com>"
# Primary key fingerprint: DAF3 A6FD B26B 6291 2D0E  8E3F BE86 EBB4 1510 4FDF

* remotes/berrange/tags/pull-qcrypto-2017-02-27-1:
  crypto: assert cipher algorithm is always valid
  crypto: fix leak in ivgen essiv init

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-27 15:33:21 +00:00
Gerd Hoffmann
2dc120beb8 vnc: fix double free issues
Reported by Coverity: CID 1371242, 1371243, 1371244.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 1487682332-29154-1-git-send-email-kraxel@redhat.com
2017-02-27 16:22:01 +01:00
Gerd Hoffmann
8bf69b499a spice: add display & head options
This allows to specify display and head to use, simliar to vnc.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1487663858-11731-1-git-send-email-kraxel@redhat.com
2017-02-27 16:21:23 +01:00
Daniel P. Berrange
857e479552 ui: Use XkbGetMap and XkbGetNames instead of XkbGetKeyboard
XkbGetKeyboard does not work in XWayland and even on non-Wayland
X11 servers its use is discouraged:

  https://bugs.freedesktop.org/show_bug.cgi?id=89240

This resolves a problem whereby QEMU prints

  "could not lookup keycode name"

on startup when running under XWayland. Keymap handling is
however still broken after this commit, since Xwayland is
reporting a keymap we can't handle

  "unknown keycodes `(unnamed)', please report to qemu-devel@nongnu.org"

NB, native Wayland support (which is the default under GTK3) is
not affected - only XWayland (which can be requested with GDK_BACKEND
on GTK3, and is the only option for GTK2).

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170227132343.30824-1-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-02-27 16:19:47 +01:00
Gerd Hoffmann
543a7a161f gtk-egl: add scanout_disable support
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 1487669841-13668-7-git-send-email-kraxel@redhat.com
2017-02-27 16:15:29 +01:00
Gerd Hoffmann
db6cdfbeba sdl2: add scanout_disable support
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 1487669841-13668-6-git-send-email-kraxel@redhat.com
2017-02-27 16:15:29 +01:00
Gerd Hoffmann
46ffd0c031 spice: add scanout_disable support
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 1487669841-13668-5-git-send-email-kraxel@redhat.com
2017-02-27 16:15:29 +01:00
Gerd Hoffmann
975896fc88 virtio-gpu: use dpy_gl_scanout_disable
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 1487669841-13668-4-git-send-email-kraxel@redhat.com
2017-02-27 16:15:29 +01:00
Gerd Hoffmann
eaa92c76ce console: add dpy_gl_scanout_disable
Helper function (and DisplayChangeListenerOps ptr) to disable scanouts.
Replaces using dpy_gl_scanout_texture with 0x0 size and no texture
specified.

Allows cleanups to make the io and gfx emulation code more readable.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 1487669841-13668-3-git-send-email-kraxel@redhat.com
2017-02-27 16:15:28 +01:00
Gerd Hoffmann
f4c36bdab6 console: rename dpy_gl_scanout to dpy_gl_scanout_texture
We'll add a variant which accepts dmabufs soon.  Change
the name so we can easily disturgish the two variants.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 1487669841-13668-2-git-send-email-kraxel@redhat.com
2017-02-27 16:15:28 +01:00
Paolo Bonzini
1ab17f9f5c tests-aio-multithread: use atomic_read properly
nodes[id].next is written by other threads.  If atomic_read is not used
(matching atomic_set in mcs_mutex_lock!) the compiler can optimize the
whole "if" away!

Reported-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Tested-by: Greg Kurz <groug@kaod.org>
Message-id: 20170227111726.9237-1-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-02-27 14:00:53 +00:00
Paolo Bonzini
d045c466d9 iscsi: do not use aio_context_acquire/release
Now that all bottom halves and callbacks take care of taking the
AioContext lock, we can migrate some users away from it and to a
specific QemuMutex or CoMutex.

Protect libiscsi calls with a QemuMutex.  Callbacks are invoked
using bottom halves, so we don't even have to drop it around
callback invocations.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20170222180725.28611-4-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-02-27 13:58:58 +00:00
Paolo Bonzini
37d1e4d9bf nfs: do not use aio_context_acquire/release
Now that all bottom halves and callbacks take care of taking the
AioContext lock, we can migrate some users away from it and to a
specific QemuMutex or CoMutex.

Protect libnfs calls with a QemuMutex.  Callbacks are invoked
using bottom halves, so we don't even have to drop it around
callback invocations.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20170222180725.28611-3-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-02-27 13:58:53 +00:00
Prasad J Pandit
32c813e6c2 crypto: assert cipher algorithm is always valid
Crypto routines 'qcrypto_cipher_get_block_len' and
'qcrypto_cipher_get_key_len' return non-zero cipher block and key
lengths from static arrays 'alg_block_len[]' and 'alg_key_len[]'
respectively. Returning 'zero(0)' value from either of them would
likely lead to an error condition.

Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2017-02-27 13:37:14 +00:00
Li Qiang
0072d2a9fc crypto: fix leak in ivgen essiv init
On error path, the 'salt' doesn't been freed thus leading
a memory leak. This patch avoid this.

Signed-off-by: Li Qiang <liqiang6-s@360.cn>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2017-02-27 13:37:14 +00:00
Paolo Bonzini
ba3186c4e4 curl: do not use aio_context_acquire/release
Now that all bottom halves and callbacks take care of taking the
AioContext lock, we can migrate some users away from it and to a
specific QemuMutex or CoMutex.

Protect BDRVCURLState access with a QemuMutex.

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20170222180725.28611-2-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-02-27 13:33:24 +00:00
Paolo Bonzini
3b1d816984 tests-aio-multithread: use atomic_read properly
nodes[id].next is written by other threads.  If atomic_read is not used
(matching atomic_set in mcs_mutex_lock!) the compiler can optimize the
whole "if" away!

Reported-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Tested-by: Greg Kurz <groug@kaod.org>
Message-id: 20170227111726.9237-1-pbonzini@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-27 12:54:08 +00:00
Peter Maydell
d992f2f136 Pull request for Niagara patches 2017 02 26
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Merge remote-tracking branch 'remotes/artyom/tags/pull-sun4v-20170226' into staging

Pull request for Niagara patches 2017 02 26

# gpg: Signature made Sun 26 Feb 2017 21:56:06 GMT
# gpg:                using RSA key 0x3360C3F7411A125F
# gpg: Good signature from "Artyom Tarasenko <atar4qemu@gmail.com>"
# 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: 2AD8 6149 17F4 B2D7 05C0  BB12 3360 C3F7 411A 125F

* remotes/artyom/tags/pull-sun4v-20170226:
  niagara: check if a serial port is available
  niagara: fail if a firmware file is missing

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-26 22:40:23 +00:00
Artyom Tarasenko
a5a08302d4
niagara: check if a serial port is available
Reported-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com>
2017-02-26 22:46:08 +01:00
Artyom Tarasenko
5e3a549498
niagara: fail if a firmware file is missing
fail if a firmware file is missing and not qtest_enabled(),
the later is necessary to allow some basic tests if
firmware is not available

Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com>
2017-02-26 22:44:25 +01:00
Peter Maydell
685783c5b6 slirp updates
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Merge remote-tracking branch 'remotes/thibault/tags/samuel-thibault' into staging

slirp updates

# gpg: Signature made Sun 26 Feb 2017 14:40:00 GMT
# gpg:                using RSA key 0xB0A51BF58C9179C5
# gpg: Good signature from "Samuel Thibault <samuel.thibault@aquilenet.fr>"
# gpg:                 aka "Samuel Thibault <sthibault@debian.org>"
# gpg:                 aka "Samuel Thibault <samuel.thibault@gnu.org>"
# gpg:                 aka "Samuel Thibault <samuel.thibault@inria.fr>"
# gpg:                 aka "Samuel Thibault <samuel.thibault@labri.fr>"
# gpg:                 aka "Samuel Thibault <samuel.thibault@ens-lyon.org>"
# gpg:                 aka "Samuel Thibault <samuel.thibault@u-bordeaux.fr>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 900C B024 B679 31D4 0F82  304B D017 8C76 7D06 9EE6
#      Subkey fingerprint: AEBF 7448 FAB9 453A 4552  390E B0A5 1BF5 8C91 79C5

* remotes/thibault/tags/samuel-thibault:
  slirp: tcp_listen(): Don't try to close() an fd we never opened
  slirp: Convert mbufs to use g_malloc() and g_free()
  slirp: Check qemu_socket() return value in udp_listen()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-26 16:38:40 +00:00
Peter Maydell
bd5d2353aa slirp: tcp_listen(): Don't try to close() an fd we never opened
Coverity points out (CID 1005725) that an error-exit path in tcp_listen()
will try to close(s) even if the reason it got there was that the
qemu_socket() failed and s was never opened.  Not only that, this isn't even
the right function to use, because we need closesocket() to do the right
thing on Windows.  Change to using the right function and only calling it if
needed.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
2017-02-26 15:39:29 +01:00